id int64 1 36.7k | label int64 0 1 | bug_url stringlengths 91 134 | bug_function stringlengths 13 72.7k | functions stringlengths 17 79.2k |
|---|---|---|---|---|
8,101 | 0 | https://github.com/openssl/openssl/blob/e7d961e994620dd5dee6d80794a07fb9de1bab66/ssl/packet.c/#L48 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
if (!ossl_assert(pkt->subs != NULL && len != 0))
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | ['static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt)\n{\n#ifndef OPENSSL_NO_RSA\n unsigned char *encdata = NULL;\n EVP_PKEY *pkey = NULL;\n EVP_PKEY_CTX *pctx = NULL;\n size_t enclen;\n unsigned char *pms = NULL;\n size_t pmslen = 0;\n if (s->session->peer == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n pkey = X509_get0_pubkey(s->session->peer);\n if (EVP_PKEY_get0_RSA(pkey) == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n pmslen = SSL_MAX_MASTER_KEY_LENGTH;\n pms = OPENSSL_malloc(pmslen);\n if (pms == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_MALLOC_FAILURE);\n return 0;\n }\n pms[0] = s->client_version >> 8;\n pms[1] = s->client_version & 0xff;\n if (ssl_randbytes(s, pms + 2, (int)(pmslen - 2)) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n pctx = EVP_PKEY_CTX_new(pkey, NULL);\n if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0\n || EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_EVP_LIB);\n goto err;\n }\n if (!WPACKET_allocate_bytes(pkt, enclen, &encdata)\n || EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n SSL_R_BAD_RSA_ENCRYPT);\n goto err;\n }\n EVP_PKEY_CTX_free(pctx);\n pctx = NULL;\n if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) {\n goto err;\n }\n s->s3->tmp.pms = pms;\n s->s3->tmp.pmslen = pmslen;\n return 1;\n err:\n OPENSSL_clear_free(pms, pmslen);\n EVP_PKEY_CTX_free(pctx);\n return 0;\n#else\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n return 0;\n#endif\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!ossl_assert(pkt->subs != NULL && len != 0))\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
8,102 | 0 | https://github.com/openssl/openssl/blob/98e665493818493e9a2bb4fce30127aca052f47a/crypto/lhash/lhash.c/#L365 | static void contract(LHASH *lh)
{
LHASH_NODE **n,*n1,*np;
np=lh->b[lh->p+lh->pmax-1];
lh->b[lh->p+lh->pmax-1]=NULL;
if (lh->p == 0)
{
n=(LHASH_NODE **)OPENSSL_realloc(lh->b,
(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));
if (n == NULL)
{
lh->error++;
return;
}
lh->num_contract_reallocs++;
lh->num_alloc_nodes/=2;
lh->pmax/=2;
lh->p=lh->pmax-1;
lh->b=n;
}
else
lh->p--;
lh->num_nodes--;
lh->num_contracts++;
n1=lh->b[(int)lh->p];
if (n1 == NULL)
lh->b[(int)lh->p]=np;
else
{
while (n1->next != NULL)
n1=n1->next;
n1->next=np;
}
} | ['int main(int argc, char *argv[])\n\t{\n\tchar *CApath=NULL,*CAfile=NULL;\n\tint badop=0;\n\tint bio_pair=0;\n\tint force=0;\n\tint tls1=0,ssl2=0,ssl3=0,ret=1;\n\tint client_auth=0;\n\tint server_auth=0,i;\n\tchar *server_cert=TEST_SERVER_CERT;\n\tchar *server_key=NULL;\n\tchar *client_cert=TEST_CLIENT_CERT;\n\tchar *client_key=NULL;\n\tSSL_CTX *s_ctx=NULL;\n\tSSL_CTX *c_ctx=NULL;\n\tSSL_METHOD *meth=NULL;\n\tSSL *c_ssl,*s_ssl;\n\tint number=1,reuse=0;\n\tlong bytes=1L;\n#ifndef OPENSSL_NO_DH\n\tDH *dh;\n\tint dhe1024 = 0, dhe1024dsa = 0;\n#endif\n\tint no_dhe = 0;\n\tint print_time = 0;\n\tclock_t s_time = 0, c_time = 0;\n\tint comp = 0;\n\tCOMP_METHOD *cm = NULL;\n\tverbose = 0;\n\tdebug = 0;\n\tcipher = 0;\n\tCRYPTO_set_locking_callback(lock_dbg_cb);\n\tif (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))\n\t\t{\n\t\tCRYPTO_malloc_debug_init();\n\t\tCRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);\n\t\t}\n\telse\n\t\t{\n\t\tCRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);\n\t\t}\n\tCRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);\n\tRAND_seed(rnd_seed, sizeof rnd_seed);\n\tbio_err=BIO_new_fp(stderr,BIO_NOCLOSE);\n\tbio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);\n\targc--;\n\targv++;\n\twhile (argc >= 1)\n\t\t{\n\t\tif\t(strcmp(*argv,"-server_auth") == 0)\n\t\t\tserver_auth=1;\n\t\telse if\t(strcmp(*argv,"-client_auth") == 0)\n\t\t\tclient_auth=1;\n\t\telse if\t(strcmp(*argv,"-v") == 0)\n\t\t\tverbose=1;\n\t\telse if\t(strcmp(*argv,"-d") == 0)\n\t\t\tdebug=1;\n\t\telse if\t(strcmp(*argv,"-reuse") == 0)\n\t\t\treuse=1;\n#ifndef OPENSSL_NO_DH\n\t\telse if\t(strcmp(*argv,"-dhe1024") == 0)\n\t\t\tdhe1024=1;\n\t\telse if\t(strcmp(*argv,"-dhe1024dsa") == 0)\n\t\t\tdhe1024dsa=1;\n#endif\n\t\telse if\t(strcmp(*argv,"-no_dhe") == 0)\n\t\t\tno_dhe=1;\n\t\telse if\t(strcmp(*argv,"-ssl2") == 0)\n\t\t\tssl2=1;\n\t\telse if\t(strcmp(*argv,"-tls1") == 0)\n\t\t\ttls1=1;\n\t\telse if\t(strcmp(*argv,"-ssl3") == 0)\n\t\t\tssl3=1;\n\t\telse if\t(strncmp(*argv,"-num",4) == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tnumber= atoi(*(++argv));\n\t\t\tif (number == 0) number=1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-bytes") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tbytes= atol(*(++argv));\n\t\t\tif (bytes == 0L) bytes=1L;\n\t\t\ti=strlen(argv[0]);\n\t\t\tif (argv[0][i-1] == \'k\') bytes*=1024L;\n\t\t\tif (argv[0][i-1] == \'m\') bytes*=1024L*1024L;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tserver_cert= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-s_cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tserver_cert= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tserver_key= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-s_key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tserver_key= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-c_cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tclient_cert= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-c_key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tclient_key= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-cipher") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcipher= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CApath") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCApath= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CAfile") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAfile= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-bio_pair") == 0)\n\t\t\t{\n\t\t\tbio_pair = 1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-f") == 0)\n\t\t\t{\n\t\t\tforce = 1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-time") == 0)\n\t\t\t{\n\t\t\tprint_time = 1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-zlib") == 0)\n\t\t\t{\n\t\t\tcomp = COMP_ZLIB;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-rle") == 0)\n\t\t\t{\n\t\t\tcomp = COMP_RLE;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tfprintf(stderr,"unknown option %s\\n",*argv);\n\t\t\tbadop=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badop)\n\t\t{\nbad:\n\t\tsv_usage();\n\t\tgoto end;\n\t\t}\n\tif (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)\n\t\t{\n\t\tfprintf(stderr, "This case cannot work. Use -f to perform "\n\t\t\t"the test anyway (and\\n-d to see what happens), "\n\t\t\t"or add one of -ssl2, -ssl3, -tls1, -reuse\\n"\n\t\t\t"to avoid protocol mismatch.\\n");\n\t\texit(1);\n\t\t}\n\tif (print_time)\n\t\t{\n\t\tif (!bio_pair)\n\t\t\t{\n\t\t\tfprintf(stderr, "Using BIO pair (-bio_pair)\\n");\n\t\t\tbio_pair = 1;\n\t\t\t}\n\t\tif (number < 50 && !force)\n\t\t\tfprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\\n");\n\t\t}\n\tSSL_library_init();\n\tSSL_load_error_strings();\n\tif (comp == COMP_ZLIB) cm = COMP_zlib();\n\tif (comp == COMP_RLE) cm = COMP_rle();\n\tif (cm != NULL)\n\t\t{\n\t\tif (cm->type != NID_undef)\n\t\t\tSSL_COMP_add_compression_method(comp, cm);\n\t\telse\n\t\t\t{\n\t\t\tfprintf(stderr,\n\t\t\t\t"Warning: %s compression not supported\\n",\n\t\t\t\t(comp == COMP_RLE ? "rle" :\n\t\t\t\t\t(comp == COMP_ZLIB ? "zlib" :\n\t\t\t\t\t\t"unknown")));\n\t\t\tERR_print_errors_fp(stderr);\n\t\t\t}\n\t\t}\n#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)\n\tif (ssl2)\n\t\tmeth=SSLv2_method();\n\telse\n\tif (tls1)\n\t\tmeth=TLSv1_method();\n\telse\n\tif (ssl3)\n\t\tmeth=SSLv3_method();\n\telse\n\t\tmeth=SSLv23_method();\n#else\n#ifdef OPENSSL_NO_SSL2\n\tmeth=SSLv3_method();\n#else\n\tmeth=SSLv2_method();\n#endif\n#endif\n\tc_ctx=SSL_CTX_new(meth);\n\ts_ctx=SSL_CTX_new(meth);\n\tif ((c_ctx == NULL) || (s_ctx == NULL))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (cipher != NULL)\n\t\t{\n\t\tSSL_CTX_set_cipher_list(c_ctx,cipher);\n\t\tSSL_CTX_set_cipher_list(s_ctx,cipher);\n\t\t}\n#ifndef OPENSSL_NO_DH\n\tif (!no_dhe)\n\t\t{\n\t\tif (dhe1024dsa)\n\t\t\t{\n\t\t\tSSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);\n\t\t\tdh=get_dh1024dsa();\n\t\t\t}\n\t\telse if (dhe1024)\n\t\t\tdh=get_dh1024();\n\t\telse\n\t\t\tdh=get_dh512();\n\t\tSSL_CTX_set_tmp_dh(s_ctx,dh);\n\t\tDH_free(dh);\n\t\t}\n#else\n\t(void)no_dhe;\n#endif\n#ifndef OPENSSL_NO_RSA\n\tSSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);\n#endif\n\tif (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\t}\n\telse if (!SSL_CTX_use_PrivateKey_file(s_ctx,\n\t\t(server_key?server_key:server_cert), SSL_FILETYPE_PEM))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (client_auth)\n\t\t{\n\t\tSSL_CTX_use_certificate_file(c_ctx,client_cert,\n\t\t\tSSL_FILETYPE_PEM);\n\t\tSSL_CTX_use_PrivateKey_file(c_ctx,\n\t\t\t(client_key?client_key:client_cert),\n\t\t\tSSL_FILETYPE_PEM);\n\t\t}\n\tif (\t(!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||\n\t\t(!SSL_CTX_set_default_verify_paths(s_ctx)) ||\n\t\t(!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||\n\t\t(!SSL_CTX_set_default_verify_paths(c_ctx)))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\t}\n\tif (client_auth)\n\t\t{\n\t\tBIO_printf(bio_err,"client authentication\\n");\n\t\tSSL_CTX_set_verify(s_ctx,\n\t\t\tSSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,\n\t\t\tverify_callback);\n\t\t}\n\tif (server_auth)\n\t\t{\n\t\tBIO_printf(bio_err,"server authentication\\n");\n\t\tSSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,\n\t\t\tverify_callback);\n\t\t}\n\t{\n\t\tint session_id_context = 0;\n\t\tSSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);\n\t}\n\tc_ssl=SSL_new(c_ctx);\n\ts_ssl=SSL_new(s_ctx);\n#ifndef OPENSSL_NO_KRB5\n\tif (c_ssl && c_ssl->kssl_ctx)\n {\n char\tlocalhost[257];\n\t\tif (gethostname(localhost, 256) == 0)\n {\n\t\t\tkssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,\n localhost);\n\t\t\t}\n\t\t}\n#endif\n\tfor (i=0; i<number; i++)\n\t\t{\n\t\tif (!reuse) SSL_set_session(c_ssl,NULL);\n\t\tif (bio_pair)\n\t\t\tret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);\n\t\telse\n\t\t\tret=doit(s_ssl,c_ssl,bytes);\n\t\t}\n\tif (!verbose)\n\t\t{\n\t\tprint_details(c_ssl, "");\n\t\t}\n\tif ((number > 1) || (bytes > 1L))\n\t\tBIO_printf(bio_stdout, "%d handshakes of %ld bytes done\\n",number,bytes);\n\tif (print_time)\n\t\t{\n#ifdef CLOCKS_PER_SEC\n\t\tBIO_printf(bio_stdout, "Approximate total server time: %6.2f s\\n"\n\t\t\t"Approximate total client time: %6.2f s\\n",\n\t\t\t(double)s_time/CLOCKS_PER_SEC,\n\t\t\t(double)c_time/CLOCKS_PER_SEC);\n#else\n\t\tBIO_printf(bio_stdout,\n\t\t\t"Approximate total server time: %6.2f units\\n"\n\t\t\t"Approximate total client time: %6.2f units\\n",\n\t\t\t(double)s_time,\n\t\t\t(double)c_time);\n#endif\n\t\t}\n\tSSL_free(s_ssl);\n\tSSL_free(c_ssl);\nend:\n\tif (s_ctx != NULL) SSL_CTX_free(s_ctx);\n\tif (c_ctx != NULL) SSL_CTX_free(c_ctx);\n\tif (bio_stdout != NULL) BIO_free(bio_stdout);\n#ifndef OPENSSL_NO_RSA\n\tfree_tmp_rsa();\n#endif\n\tENGINE_cleanup();\n\tCRYPTO_cleanup_all_ex_data();\n\tERR_free_strings();\n\tERR_remove_state(0);\n\tEVP_cleanup();\n\tCRYPTO_mem_leaks(bio_err);\n\tif (bio_err != NULL) BIO_free(bio_err);\n\tEXIT(ret);\n\t}', 'SSL *SSL_new(SSL_CTX *ctx)\n\t{\n\tSSL *s;\n\tif (ctx == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);\n\t\treturn(NULL);\n\t\t}\n\tif (ctx->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n\t\treturn(NULL);\n\t\t}\n\ts=(SSL *)OPENSSL_malloc(sizeof(SSL));\n\tif (s == NULL) goto err;\n\tmemset(s,0,sizeof(SSL));\n#ifndef\tOPENSSL_NO_KRB5\n\ts->kssl_ctx = kssl_ctx_new();\n#endif\n\ts->options=ctx->options;\n\ts->mode=ctx->mode;\n\ts->max_cert_list=ctx->max_cert_list;\n\tif (ctx->cert != NULL)\n\t\t{\n\t\ts->cert = ssl_cert_dup(ctx->cert);\n\t\tif (s->cert == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\ts->cert=NULL;\n\ts->read_ahead=ctx->read_ahead;\n\ts->msg_callback=ctx->msg_callback;\n\ts->msg_callback_arg=ctx->msg_callback_arg;\n\ts->verify_mode=ctx->verify_mode;\n\ts->verify_depth=ctx->verify_depth;\n\ts->sid_ctx_length=ctx->sid_ctx_length;\n\tmemcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));\n\ts->verify_callback=ctx->default_verify_callback;\n\ts->generate_session_id=ctx->generate_session_id;\n\ts->purpose = ctx->purpose;\n\ts->trust = ctx->trust;\n\ts->quiet_shutdown=ctx->quiet_shutdown;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->ctx=ctx;\n\ts->verify_result=X509_V_OK;\n\ts->method=ctx->method;\n\tif (!s->method->ssl_new(s))\n\t\tgoto err;\n\ts->references=1;\n\ts->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;\n\tSSL_clear(s);\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n\treturn(s);\nerr:\n\tif (s != NULL)\n\t\t{\n\t\tif (s->cert != NULL)\n\t\t\tssl_cert_free(s->cert);\n\t\tif (s->ctx != NULL)\n\t\t\tSSL_CTX_free(s->ctx);\n\t\tOPENSSL_free(s);\n\t\t}\n\tSSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);\n\treturn(NULL);\n\t}', 'int SSL_clear(SSL *s)\n\t{\n\tint state;\n\tif (s->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);\n\t\treturn(0);\n\t\t}\n\ts->error=0;\n\ts->hit=0;\n\ts->shutdown=0;\n#if 0\n\tif (s->new_session) return(1);\n#else\n\tif (s->new_session)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);\n\t\treturn 0;\n\t\t}\n#endif\n\tstate=s->state;\n\ts->type=0;\n\ts->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);\n\ts->version=s->method->version;\n\ts->client_version=s->version;\n\ts->rwstate=SSL_NOTHING;\n\ts->rstate=SSL_ST_READ_HEADER;\n#if 0\n\ts->read_ahead=s->ctx->read_ahead;\n#endif\n\tif (s->init_buf != NULL)\n\t\t{\n\t\tBUF_MEM_free(s->init_buf);\n\t\ts->init_buf=NULL;\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (ssl_clear_bad_session(s))\n\t\t{\n\t\tSSL_SESSION_free(s->session);\n\t\ts->session=NULL;\n\t\t}\n\ts->first_packet=0;\n#if 1\n\tif ((s->session == NULL) && (s->method != s->ctx->method))\n\t\t{\n\t\ts->method->ssl_free(s);\n\t\ts->method=s->ctx->method;\n\t\tif (!s->method->ssl_new(s))\n\t\t\treturn(0);\n\t\t}\n\telse\n#endif\n\t\ts->method->ssl_clear(s);\n\treturn(1);\n\t}', 'int ssl_clear_bad_session(SSL *s)\n\t{\n\tif (\t(s->session != NULL) &&\n\t\t!(s->shutdown & SSL_SENT_SHUTDOWN) &&\n\t\t!(SSL_in_init(s) || SSL_in_before(s)))\n\t\t{\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\treturn(1);\n\t\t}\n\telse\n\t\treturn(0);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\tif (r != NULL)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}', 'static void contract(LHASH *lh)\n\t{\n\tLHASH_NODE **n,*n1,*np;\n\tnp=lh->b[lh->p+lh->pmax-1];\n\tlh->b[lh->p+lh->pmax-1]=NULL;\n\tif (lh->p == 0)\n\t\t{\n\t\tn=(LHASH_NODE **)OPENSSL_realloc(lh->b,\n\t\t\t(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));\n\t\tif (n == NULL)\n\t\t\t{\n\t\t\tlh->error++;\n\t\t\treturn;\n\t\t\t}\n\t\tlh->num_contract_reallocs++;\n\t\tlh->num_alloc_nodes/=2;\n\t\tlh->pmax/=2;\n\t\tlh->p=lh->pmax-1;\n\t\tlh->b=n;\n\t\t}\n\telse\n\t\tlh->p--;\n\tlh->num_nodes--;\n\tlh->num_contracts++;\n\tn1=lh->b[(int)lh->p];\n\tif (n1 == NULL)\n\t\tlh->b[(int)lh->p]=np;\n\telse\n\t\t{\n\t\twhile (n1->next != NULL)\n\t\t\tn1=n1->next;\n\t\tn1->next=np;\n\t\t}\n\t}'] |
8,103 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_lib.c/#L260 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n{\n int i, bits, ret = 0;\n BIGNUM *v, *rr;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_EXP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n BN_CTX_start(ctx);\n rr = ((r == a) || (r == p)) ? BN_CTX_get(ctx) : r;\n v = BN_CTX_get(ctx);\n if (rr == NULL || v == NULL)\n goto err;\n if (BN_copy(v, a) == NULL)\n goto err;\n bits = BN_num_bits(p);\n if (BN_is_odd(p)) {\n if (BN_copy(rr, a) == NULL)\n goto err;\n } else {\n if (!BN_one(rr))\n goto err;\n }\n for (i = 1; i < bits; i++) {\n if (!BN_sqr(v, v, ctx))\n goto err;\n if (BN_is_bit_set(p, i)) {\n if (!BN_mul(rr, rr, v, ctx))\n goto err;\n }\n }\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
8,104 | 0 | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_swab.c/#L192 | void
TIFFSwabArrayOfDouble(double* dp, tmsize_t n)
{
register unsigned char *cp;
register unsigned char t;
assert(sizeof(double)==8);
while (n-- > 0) {
cp = (unsigned char *)dp;
t = cp[7]; cp[7] = cp[0]; cp[0] = t;
t = cp[6]; cp[6] = cp[1]; cp[1] = t;
t = cp[5]; cp[5] = cp[2]; cp[2] = t;
t = cp[4]; cp[4] = cp[3]; cp[3] = t;
dp++;
}
} | ['static TIFF* openSrcImage (char **imageSpec)\n{\n\tTIFF *tif;\n\tchar *fn = *imageSpec;\n\t*imageSpec = strchr (fn, comma);\n\tif (*imageSpec) {\n\t\t**imageSpec = \'\\0\';\n\t\ttif = TIFFOpen (fn, "r");\n\t\tif (!(*imageSpec)[1]) {*imageSpec = NULL; return tif;}\n\t\tif (tif) {\n\t\t\t**imageSpec = comma;\n\t\t\tif (!nextSrcImage(tif, imageSpec)) {\n\t\t\t\tTIFFClose (tif);\n\t\t\t\ttif = NULL;\n\t\t\t}\n\t\t}\n\t}else\n\t\ttif = TIFFOpen (fn, "r");\n\treturn tif;\n}', 'static int nextSrcImage (TIFF *tif, char **imageSpec)\n{\n\tif (**imageSpec == comma) {\n\t\tchar *start = *imageSpec + 1;\n\t\ttdir_t nextImage = (tdir_t)strtol(start, imageSpec, 0);\n\t\tif (start == *imageSpec) nextImage = TIFFCurrentDirectory (tif);\n\t\tif (**imageSpec)\n\t\t{\n\t\t\tif (**imageSpec == comma) {\n\t\t\t\tif ((*imageSpec)[1] == \'\\0\') *imageSpec = NULL;\n\t\t\t}else{\n\t\t\t\tfprintf (stderr,\n\t\t\t\t "Expected a %c separated image # list after %s\\n",\n\t\t\t\t comma, TIFFFileName (tif));\n\t\t\t\texit (-4);\n\t\t\t}\n\t\t}\n\t\tif (TIFFSetDirectory (tif, nextImage)) return 1;\n\t\tfprintf (stderr, "%s%c%d not found!\\n",\n\t\t TIFFFileName(tif), comma, (int) nextImage);\n\t}\n\treturn 0;\n}', 'void\nTIFFClose(TIFF* tif)\n{\n\tTIFFCloseProc closeproc = tif->tif_closeproc;\n\tthandle_t fd = tif->tif_clientdata;\n\tTIFFCleanup(tif);\n\t(void) (*closeproc)(fd);\n}', 'void\nTIFFCleanup(TIFF* tif)\n{\n\tif (tif->tif_mode != O_RDONLY)\n\t\tTIFFFlush(tif);\n\t(*tif->tif_cleanup)(tif);\n\tTIFFFreeDirectory(tif);\n\tif (tif->tif_dirlist)\n\t\t_TIFFfree(tif->tif_dirlist);\n\twhile( tif->tif_clientinfo )\n\t{\n\t\tTIFFClientInfoLink *link = tif->tif_clientinfo;\n\t\ttif->tif_clientinfo = link->next;\n\t\t_TIFFfree( link->name );\n\t\t_TIFFfree( link );\n\t}\n\tif (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))\n\t\t_TIFFfree(tif->tif_rawdata);\n\tif (isMapped(tif))\n\t\tTIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);\n\tif (tif->tif_fields && tif->tif_nfields > 0) {\n\t\tuint32 i;\n\t\tfor (i = 0; i < tif->tif_nfields; i++) {\n\t\t\tTIFFField *fld = tif->tif_fields[i];\n\t\t\tif (fld->field_bit == FIELD_CUSTOM &&\n\t\t\t strncmp("Tag ", fld->field_name, 4) == 0) {\n\t\t\t\t_TIFFfree(fld->field_name);\n\t\t\t\t_TIFFfree(fld);\n\t\t\t}\n\t\t}\n\t\t_TIFFfree(tif->tif_fields);\n\t}\n if (tif->tif_nfieldscompat > 0) {\n uint32 i;\n for (i = 0; i < tif->tif_nfieldscompat; i++) {\n if (tif->tif_fieldscompat[i].allocated_size)\n _TIFFfree(tif->tif_fieldscompat[i].fields);\n }\n _TIFFfree(tif->tif_fieldscompat);\n }\n\t_TIFFfree(tif);\n}', 'int\nTIFFFlush(TIFF* tif)\n{\n if( tif->tif_mode == O_RDONLY )\n return 1;\n if (!TIFFFlushData(tif))\n return (0);\n if( (tif->tif_flags & TIFF_DIRTYSTRIP)\n && !(tif->tif_flags & TIFF_DIRTYDIRECT)\n && tif->tif_mode == O_RDWR )\n {\n uint64 *offsets=NULL, *sizes=NULL;\n if( TIFFIsTiled(tif) )\n {\n if( TIFFGetField( tif, TIFFTAG_TILEOFFSETS, &offsets )\n && TIFFGetField( tif, TIFFTAG_TILEBYTECOUNTS, &sizes )\n && _TIFFRewriteField( tif, TIFFTAG_TILEOFFSETS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, offsets )\n && _TIFFRewriteField( tif, TIFFTAG_TILEBYTECOUNTS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, sizes ) )\n {\n tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n tif->tif_flags &= ~TIFF_BEENWRITING;\n return 1;\n }\n }\n else\n {\n if( TIFFGetField( tif, TIFFTAG_STRIPOFFSETS, &offsets )\n && TIFFGetField( tif, TIFFTAG_STRIPBYTECOUNTS, &sizes )\n && _TIFFRewriteField( tif, TIFFTAG_STRIPOFFSETS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, offsets )\n && _TIFFRewriteField( tif, TIFFTAG_STRIPBYTECOUNTS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, sizes ) )\n {\n tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n tif->tif_flags &= ~TIFF_BEENWRITING;\n return 1;\n }\n }\n }\n if ((tif->tif_flags & (TIFF_DIRTYDIRECT|TIFF_DIRTYSTRIP))\n && !TIFFWriteDirectory(tif))\n return (0);\n return (1);\n}', 'int\nTIFFWriteDirectory(TIFF* tif)\n{\n\treturn TIFFWriteDirectorySec(tif,TRUE,TRUE,NULL);\n}', 'static int\nTIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff)\n{\n\tstatic const char module[] = "TIFFWriteDirectorySec";\n\tuint32 ndir;\n\tTIFFDirEntry* dir;\n\tuint32 dirsize;\n\tvoid* dirmem;\n\tuint32 m;\n\tif (tif->tif_mode == O_RDONLY)\n\t\treturn (1);\n\tif (imagedone)\n\t{\n\t\tif (tif->tif_flags & TIFF_POSTENCODE)\n\t\t{\n\t\t\ttif->tif_flags &= ~TIFF_POSTENCODE;\n\t\t\tif (!(*tif->tif_postencode)(tif))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t\t\t "Error post-encoding before directory write");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\t(*tif->tif_close)(tif);\n\t\tif (tif->tif_rawcc > 0\n\t\t && (tif->tif_flags & TIFF_BEENWRITING) != 0 )\n\t\t{\n\t\t if( !TIFFFlushData1(tif) )\n {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Error flushing data before directory write");\n\t\t\treturn (0);\n }\n\t\t}\n\t\tif ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata)\n\t\t{\n\t\t\t_TIFFfree(tif->tif_rawdata);\n\t\t\ttif->tif_rawdata = NULL;\n\t\t\ttif->tif_rawcc = 0;\n\t\t\ttif->tif_rawdatasize = 0;\n\t\t}\n\t\ttif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP);\n\t}\n\tdir=NULL;\n\tdirmem=NULL;\n\tdirsize=0;\n\twhile (1)\n\t{\n\t\tndir=0;\n\t\tif (isimage)\n\t\t{\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGEWIDTH,tif->tif_dir.td_imagewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGELENGTH,tif->tif_dir.td_imagelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILEWIDTH,tif->tif_dir.td_tilewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILELENGTH,tif->tif_dir.td_tilelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XRESOLUTION,tif->tif_dir.td_xresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YRESOLUTION,tif->tif_dir.td_yresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_POSITION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XPOSITION,tif->tif_dir.td_xposition))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YPOSITION,tif->tif_dir.td_yposition))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBFILETYPE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_SUBFILETYPE,tif->tif_dir.td_subfiletype))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_BITSPERSAMPLE,tif->tif_dir.td_bitspersample))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COMPRESSION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_COMPRESSION,tif->tif_dir.td_compression))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PHOTOMETRIC))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PHOTOMETRIC,tif->tif_dir.td_photometric))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_THRESHHOLDING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_THRESHHOLDING,tif->tif_dir.td_threshholding))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_FILLORDER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_FILLORDER,tif->tif_dir.td_fillorder))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ORIENTATION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_ORIENTATION,tif->tif_dir.td_orientation))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_SAMPLESPERPIXEL,tif->tif_dir.td_samplesperpixel))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_ROWSPERSTRIP,tif->tif_dir.td_rowsperstrip))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MINSAMPLEVALUE,tif->tif_dir.td_minsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MAXSAMPLEVALUE,tif->tif_dir.td_maxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PLANARCONFIG))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PLANARCONFIG,tif->tif_dir.td_planarconfig))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTIONUNIT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_RESOLUTIONUNIT,tif->tif_dir.td_resolutionunit))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PAGENUMBER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_PAGENUMBER,2,&tif->tif_dir.td_pagenumber[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPBYTECOUNTS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPOFFSETS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COLORMAP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagColormap(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_EXTRASAMPLES))\n\t\t\t{\n\t\t\t\tif (tif->tif_dir.td_extrasamples)\n\t\t\t\t{\n\t\t\t\t\tuint16 na;\n\t\t\t\t\tuint16* nb;\n\t\t\t\t\tTIFFGetFieldDefaulted(tif,TIFFTAG_EXTRASAMPLES,&na,&nb);\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_EXTRASAMPLES,na,nb))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLEFORMAT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_SAMPLEFORMAT,tif->tif_dir.td_sampleformat))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatPerSample(tif,&ndir,dir,TIFFTAG_SMINSAMPLEVALUE,tif->tif_dir.td_sminsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatPerSample(tif,&ndir,dir,TIFFTAG_SMAXSAMPLEVALUE,tif->tif_dir.td_smaxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_IMAGEDEPTH,tif->tif_dir.td_imagedepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_TILEDEPTH,tif->tif_dir.td_tiledepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_HALFTONEHINTS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_HALFTONEHINTS,2,&tif->tif_dir.td_halftonehints[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_YCBCRSUBSAMPLING,2,&tif->tif_dir.td_ycbcrsubsampling[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_YCBCRPOSITIONING,tif->tif_dir.td_ycbcrpositioning))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagTransferfunction(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_INKNAMES))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,TIFFTAG_INKNAMES,tif->tif_dir.td_inknameslen,tif->tif_dir.td_inknames))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSubifd(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\t{\n\t\t\t\tuint32 n;\n\t\t\t\tfor (n=0; n<tif->tif_nfields; n++) {\n\t\t\t\t\tconst TIFFField* o;\n\t\t\t\t\to = tif->tif_fields[n];\n\t\t\t\t\tif ((o->field_bit>=FIELD_CODEC)&&(TIFFFieldSet(tif,o->field_bit)))\n\t\t\t\t\t{\n\t\t\t\t\t\tswitch (o->get_field_type)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcase TIFF_SETGET_ASCII:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tchar* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_ASCII);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pb);\n\t\t\t\t\t\t\t\t\tpa=(uint32)(strlen(pb));\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT16:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint16 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_SHORT);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT32:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_LONG);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_C32_UINT8:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tvoid* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_UNDEFINED);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE2);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==1);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pa,&pb);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tassert(0);\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tfor (m=0; m<(uint32)(tif->tif_dir.td_customValueCount); m++)\n\t\t{\n\t\t\tswitch (tif->tif_dir.td_customValues[m].info->field_type)\n\t\t\t{\n\t\t\t\tcase TIFF_ASCII:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_UNDEFINED:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_BYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagByteArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SBYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSbyteArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SSHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSshortArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlongArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLong8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlong8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_RATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SRATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSrationalArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_FLOAT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagFloatArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_DOUBLE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagDoubleArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdIfd8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tassert(0);\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (dir!=NULL)\n\t\t\tbreak;\n\t\tdir=_TIFFmalloc(ndir*sizeof(TIFFDirEntry));\n\t\tif (dir==NULL)\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (isimage)\n\t\t{\n\t\t\tif ((tif->tif_diroff==0)&&(!TIFFLinkDirectory(tif)))\n\t\t\t\tgoto bad;\n\t\t}\n\t\telse\n\t\t\ttif->tif_diroff=(TIFFSeekFile(tif,0,SEEK_END)+1)&(~1);\n\t\tif (pdiroff!=NULL)\n\t\t\t*pdiroff=tif->tif_diroff;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\tdirsize=2+ndir*12+4;\n\t\telse\n\t\t\tdirsize=8+ndir*20+8;\n\t\ttif->tif_dataoff=tif->tif_diroff+dirsize;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\ttif->tif_dataoff=(uint32)tif->tif_dataoff;\n\t\tif ((tif->tif_dataoff<tif->tif_diroff)||(tif->tif_dataoff<(uint64)dirsize))\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (tif->tif_dataoff&1)\n\t\t\ttif->tif_dataoff++;\n\t\tif (isimage)\n\t\t\ttif->tif_curdir++;\n\t}\n\tif (isimage)\n\t{\n\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD)&&(tif->tif_subifdoff==0))\n\t\t{\n\t\t\tuint32 na;\n\t\t\tTIFFDirEntry* nb;\n\t\t\tfor (na=0, nb=dir; ; na++, nb++)\n\t\t\t{\n\t\t\t\tassert(na<ndir);\n\t\t\t\tif (nb->tdir_tag==TIFFTAG_SUBIFD)\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+2+na*12+8;\n\t\t\telse\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+8+na*20+12;\n\t\t}\n\t}\n\tdirmem=_TIFFmalloc(dirsize);\n\tif (dirmem==NULL)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\tgoto bad;\n\t}\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t{\n\t\tuint8* n;\n\t\tuint32 nTmp;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint16*)n=ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabShort((uint16*)n);\n\t\tn+=2;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\tnTmp = (uint32)o->tdir_count;\n\t\t\t_TIFFmemcpy(n,&nTmp,4);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong((uint32*)n);\n\t\t\tn+=4;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,4);\n\t\t\tn+=4;\n\t\t\to++;\n\t\t}\n\t\tnTmp = (uint32)tif->tif_nextdiroff;\n\t\t_TIFFmemcpy(n,&nTmp,4);\n\t}\n\telse\n\t{\n\t\tuint8* n;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint64*)n=ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong8((uint64*)n);\n\t\tn+=8;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t_TIFFmemcpy(n,&o->tdir_count,8);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong8((uint64*)n);\n\t\t\tn+=8;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,8);\n\t\t\tn+=8;\n\t\t\to++;\n\t\t}\n\t\t_TIFFmemcpy(n,&tif->tif_nextdiroff,8);\n\t}\n\t_TIFFfree(dir);\n\tdir=NULL;\n\tif (!SeekOK(tif,tif->tif_diroff))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\tif (!WriteOK(tif,dirmem,(tmsize_t)dirsize))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\t_TIFFfree(dirmem);\n\tif (imagedone)\n\t{\n\t\tTIFFFreeDirectory(tif);\n\t\ttif->tif_flags &= ~TIFF_DIRTYDIRECT;\n\t\ttif->tif_flags &= ~TIFF_DIRTYSTRIP;\n\t\t(*tif->tif_cleanup)(tif);\n\t\tTIFFCreateDirectory(tif);\n\t}\n\treturn(1);\nbad:\n\tif (dir!=NULL)\n\t\t_TIFFfree(dir);\n\tif (dirmem!=NULL)\n\t\t_TIFFfree(dirmem);\n\treturn(0);\n}', 'static int\nTIFFWriteDirectoryTagSampleformatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value)\n{\n\tswitch (tif->tif_dir.td_sampleformat)\n\t{\n\t\tcase SAMPLEFORMAT_IEEEFP:\n\t\t\tif (tif->tif_dir.td_bitspersample<=32)\n\t\t\t\treturn(TIFFWriteDirectoryTagFloatPerSample(tif,ndir,dir,tag,(float)value));\n\t\t\telse\n\t\t\t\treturn(TIFFWriteDirectoryTagDoublePerSample(tif,ndir,dir,tag,value));\n\t\tcase SAMPLEFORMAT_INT:\n\t\t\tif (tif->tif_dir.td_bitspersample<=8)\n\t\t\t\treturn(TIFFWriteDirectoryTagSbytePerSample(tif,ndir,dir,tag,(int8)value));\n\t\t\telse if (tif->tif_dir.td_bitspersample<=16)\n\t\t\t\treturn(TIFFWriteDirectoryTagSshortPerSample(tif,ndir,dir,tag,(int16)value));\n\t\t\telse\n\t\t\t\treturn(TIFFWriteDirectoryTagSlongPerSample(tif,ndir,dir,tag,(int32)value));\n\t\tcase SAMPLEFORMAT_UINT:\n\t\t\tif (tif->tif_dir.td_bitspersample<=8)\n\t\t\t\treturn(TIFFWriteDirectoryTagBytePerSample(tif,ndir,dir,tag,(uint8)value));\n\t\t\telse if (tif->tif_dir.td_bitspersample<=16)\n\t\t\t\treturn(TIFFWriteDirectoryTagShortPerSample(tif,ndir,dir,tag,(uint16)value));\n\t\t\telse\n\t\t\t\treturn(TIFFWriteDirectoryTagLongPerSample(tif,ndir,dir,tag,(uint32)value));\n\t\tdefault:\n\t\t\treturn(1);\n\t}\n}', 'static int TIFFWriteDirectoryTagDoublePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value)\n{\n\tstatic const char module[] = "TIFFWriteDirectoryTagDoublePerSample";\n\tdouble* m;\n\tdouble* na;\n\tuint16 nb;\n\tint o;\n\tif (dir==NULL)\n\t{\n\t\t(*ndir)++;\n\t\treturn(1);\n\t}\n\tm=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(double));\n\tif (m==NULL)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\treturn(0);\n\t}\n\tfor (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++)\n\t\t*na=value;\n\to=TIFFWriteDirectoryTagCheckedDoubleArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m);\n\t_TIFFfree(m);\n\treturn(o);\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n\treturn (malloc((size_t) s));\n}', 'static int\nTIFFWriteDirectoryTagCheckedDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value)\n{\n\tassert(count<0x20000000);\n\tassert(sizeof(double)==8);\n\tTIFFCvtNativeToIEEEDouble(tif,count,&value);\n\tif (tif->tif_flags&TIFF_SWAB)\n\t\tTIFFSwabArrayOfDouble(value,count);\n\treturn(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_DOUBLE,count,count*8,value));\n}', 'void\nTIFFSwabArrayOfDouble(double* dp, tmsize_t n)\n{\n\tregister unsigned char *cp;\n\tregister unsigned char t;\n\tassert(sizeof(double)==8);\n\twhile (n-- > 0) {\n\t\tcp = (unsigned char *)dp;\n\t\tt = cp[7]; cp[7] = cp[0]; cp[0] = t;\n\t\tt = cp[6]; cp[6] = cp[1]; cp[1] = t;\n\t\tt = cp[5]; cp[5] = cp[2]; cp[2] = t;\n\t\tt = cp[4]; cp[4] = cp[3]; cp[3] = t;\n\t\tdp++;\n\t}\n}'] |
8,105 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/pem/pem_lib.c/#L391 | int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher)
{
int o;
const EVP_CIPHER *enc=NULL;
char *p,c;
cipher->cipher=NULL;
if ((header == NULL) || (*header == '\0') || (*header == '\n'))
return(1);
if (strncmp(header,"Proc-Type: ",11) != 0)
{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_PROC_TYPE); return(0); }
header+=11;
if (*header != '4') return(0); header++;
if (*header != ',') return(0); header++;
if (strncmp(header,"ENCRYPTED",9) != 0)
{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_ENCRYPTED); return(0); }
for (; (*header != '\n') && (*header != '\0'); header++)
;
if (*header == '\0')
{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_SHORT_HEADER); return(0); }
header++;
if (strncmp(header,"DEK-Info: ",10) != 0)
{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_DEK_INFO); return(0); }
header+=10;
p=header;
for (;;)
{
c= *header;
if (!( ((c >= 'A') && (c <= 'Z')) || (c == '-') ||
((c >= '0') && (c <= '9'))))
break;
header++;
}
*header='\0';
o=OBJ_sn2nid(p);
cipher->cipher=enc=EVP_get_cipherbyname(p);
*header=c;
header++;
if (enc == NULL)
{
PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_UNSUPPORTED_ENCRYPTION);
return(0);
}
if (!load_iv((unsigned char **)&header,&(cipher->iv[0]),8)) return(0);
return(1);
} | ['char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x,\n\t int (*cb)())\n\t{\n\tEVP_CIPHER_INFO cipher;\n\tchar *nm=NULL,*header=NULL;\n\tunsigned char *p=NULL,*data=NULL;\n\tlong len;\n\tchar *ret=NULL;\n\tfor (;;)\n\t\t{\n\t\tif (!PEM_read_bio(bp,&nm,&header,&data,&len)) return(NULL);\n\t\tif (\t(strcmp(nm,name) == 0) ||\n\t\t\t((strcmp(nm,PEM_STRING_RSA) == 0) &&\n\t\t\t (strcmp(name,PEM_STRING_EVP_PKEY) == 0)) ||\n\t\t\t((strcmp(nm,PEM_STRING_DSA) == 0) &&\n\t\t\t (strcmp(name,PEM_STRING_EVP_PKEY) == 0)) ||\n\t\t\t((strcmp(nm,PEM_STRING_X509_OLD) == 0) &&\n\t\t\t (strcmp(name,PEM_STRING_X509) == 0)) ||\n\t\t\t((strcmp(nm,PEM_STRING_X509_REQ_OLD) == 0) &&\n\t\t\t (strcmp(name,PEM_STRING_X509_REQ) == 0))\n\t\t\t)\n\t\t\tbreak;\n\t\tFree(nm);\n\t\tFree(header);\n\t\tFree(data);\n\t\t}\n\tif (!PEM_get_EVP_CIPHER_INFO(header,&cipher)) goto err;\n\tif (!PEM_do_header(&cipher,data,&len,cb)) goto err;\n\tp=data;\n\tif (strcmp(name,PEM_STRING_EVP_PKEY) == 0)\n\t\t{\n\t\tif (strcmp(nm,PEM_STRING_RSA) == 0)\n\t\t\tret=d2i(EVP_PKEY_RSA,x,&p,len);\n\t\telse if (strcmp(nm,PEM_STRING_DSA) == 0)\n\t\t\tret=d2i(EVP_PKEY_DSA,x,&p,len);\n\t\t}\n\telse\n\t\tret=d2i(x,&p,len);\n\tif (ret == NULL)\n\t\tPEMerr(PEM_F_PEM_ASN1_READ_BIO,ERR_R_ASN1_LIB);\nerr:\n\tFree(nm);\n\tFree(header);\n\tFree(data);\n\treturn(ret);\n\t}', 'int PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data,\n\t long *len)\n\t{\n\tEVP_ENCODE_CTX ctx;\n\tint end=0,i,k,bl=0,hl=0,nohead=0;\n\tchar buf[256];\n\tBUF_MEM *nameB;\n\tBUF_MEM *headerB;\n\tBUF_MEM *dataB,*tmpB;\n\tnameB=BUF_MEM_new();\n\theaderB=BUF_MEM_new();\n\tdataB=BUF_MEM_new();\n\tif ((nameB == NULL) || (headerB == NULL) || (dataB == NULL))\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);\n\t\treturn(0);\n\t\t}\n\tbuf[254]=\'\\0\';\n\tfor (;;)\n\t\t{\n\t\ti=BIO_gets(bp,buf,254);\n\t\tif (i <= 0)\n\t\t\t{\n\t\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_NO_START_LINE);\n\t\t\tgoto err;\n\t\t\t}\n\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\tif (strncmp(buf,"-----BEGIN ",11) == 0)\n\t\t\t{\n\t\t\ti=strlen(&(buf[11]));\n\t\t\tif (strncmp(&(buf[11+i-6]),"-----\\n",6) != 0)\n\t\t\t\tcontinue;\n\t\t\tif (!BUF_MEM_grow(nameB,i+9))\n\t\t\t\t{\n\t\t\t\tPEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tstrncpy(nameB->data,&(buf[11]),(unsigned int)i-6);\n\t\t\tnameB->data[i-6]=\'\\0\';\n\t\t\tbreak;\n\t\t\t}\n\t\t}\n\thl=0;\n\tif (!BUF_MEM_grow(headerB,256))\n\t\t{ PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; }\n\theaderB->data[0]=\'\\0\';\n\tfor (;;)\n\t\t{\n\t\ti=BIO_gets(bp,buf,254);\n\t\tif (i <= 0) break;\n\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\tif (buf[0] == \'\\n\') break;\n\t\tif (!BUF_MEM_grow(headerB,hl+i+9))\n\t\t\t{ PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; }\n\t\tif (strncmp(buf,"-----END ",9) == 0)\n\t\t\t{\n\t\t\tnohead=1;\n\t\t\tbreak;\n\t\t\t}\n\t\tstrncpy(&(headerB->data[hl]),buf,(unsigned int)i);\n\t\theaderB->data[hl+i]=\'\\0\';\n\t\thl+=i;\n\t\t}\n\tbl=0;\n\tif (!BUF_MEM_grow(dataB,1024))\n\t\t{ PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; }\n\tdataB->data[0]=\'\\0\';\n\tif (!nohead)\n\t\t{\n\t\tfor (;;)\n\t\t\t{\n\t\t\ti=BIO_gets(bp,buf,254);\n\t\t\tif (i <= 0) break;\n\t\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\t\tif (i != 65) end=1;\n\t\t\tif (strncmp(buf,"-----END ",9) == 0)\n\t\t\t\tbreak;\n\t\t\tif (i > 65) break;\n\t\t\tif (!BUF_MEM_grow(dataB,i+bl+9))\n\t\t\t\t{\n\t\t\t\tPEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tstrncpy(&(dataB->data[bl]),buf,(unsigned int)i);\n\t\t\tdataB->data[bl+i]=\'\\0\';\n\t\t\tbl+=i;\n\t\t\tif (end)\n\t\t\t\t{\n\t\t\t\tbuf[0]=\'\\0\';\n\t\t\t\ti=BIO_gets(bp,buf,254);\n\t\t\t\tif (i <= 0) break;\n\t\t\t\twhile ((i >= 0) && (buf[i] <= \' \')) i--;\n\t\t\t\tbuf[++i]=\'\\n\'; buf[++i]=\'\\0\';\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\ttmpB=headerB;\n\t\theaderB=dataB;\n\t\tdataB=tmpB;\n\t\tbl=hl;\n\t\t}\n\ti=strlen(nameB->data);\n\tif (\t(strncmp(buf,"-----END ",9) != 0) ||\n\t\t(strncmp(nameB->data,&(buf[9]),(unsigned int)i) != 0) ||\n\t\t(strncmp(&(buf[9+i]),"-----\\n",6) != 0))\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_END_LINE);\n\t\tgoto err;\n\t\t}\n\tEVP_DecodeInit(&ctx);\n\ti=EVP_DecodeUpdate(&ctx,\n\t\t(unsigned char *)dataB->data,&bl,\n\t\t(unsigned char *)dataB->data,bl);\n\tif (i < 0)\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE);\n\t\tgoto err;\n\t\t}\n\ti=EVP_DecodeFinal(&ctx,(unsigned char *)&(dataB->data[bl]),&k);\n\tif (i < 0)\n\t\t{\n\t\tPEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE);\n\t\tgoto err;\n\t\t}\n\tbl+=k;\n\tif (bl == 0) goto err;\n\t*name=nameB->data;\n\t*header=headerB->data;\n\t*data=(unsigned char *)dataB->data;\n\t*len=bl;\n\tFree(nameB);\n\tFree(headerB);\n\tFree(dataB);\n\treturn(1);\nerr:\n\tBUF_MEM_free(nameB);\n\tBUF_MEM_free(headerB);\n\tBUF_MEM_free(dataB);\n\treturn(0);\n\t}', 'int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher)\n\t{\n\tint o;\n\tconst EVP_CIPHER *enc=NULL;\n\tchar *p,c;\n\tcipher->cipher=NULL;\n\tif ((header == NULL) || (*header == \'\\0\') || (*header == \'\\n\'))\n\t\treturn(1);\n\tif (strncmp(header,"Proc-Type: ",11) != 0)\n\t\t{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_PROC_TYPE); return(0); }\n\theader+=11;\n\tif (*header != \'4\') return(0); header++;\n\tif (*header != \',\') return(0); header++;\n\tif (strncmp(header,"ENCRYPTED",9) != 0)\n\t\t{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_ENCRYPTED); return(0); }\n\tfor (; (*header != \'\\n\') && (*header != \'\\0\'); header++)\n\t\t;\n\tif (*header == \'\\0\')\n\t\t{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_SHORT_HEADER); return(0); }\n\theader++;\n\tif (strncmp(header,"DEK-Info: ",10) != 0)\n\t\t{ PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_DEK_INFO); return(0); }\n\theader+=10;\n\tp=header;\n\tfor (;;)\n\t\t{\n\t\tc= *header;\n\t\tif (!(\t((c >= \'A\') && (c <= \'Z\')) || (c == \'-\') ||\n\t\t\t((c >= \'0\') && (c <= \'9\'))))\n\t\t\tbreak;\n\t\theader++;\n\t\t}\n\t*header=\'\\0\';\n\to=OBJ_sn2nid(p);\n\tcipher->cipher=enc=EVP_get_cipherbyname(p);\n\t*header=c;\n\theader++;\n\tif (enc == NULL)\n\t\t{\n\t\tPEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_UNSUPPORTED_ENCRYPTION);\n\t\treturn(0);\n\t\t}\n\tif (!load_iv((unsigned char **)&header,&(cipher->iv[0]),8)) return(0);\n\treturn(1);\n\t}'] |
8,106 | 0 | https://github.com/openssl/openssl/blob/be3d90de02138273d054bb9d6b4381754b34676d/crypto/bn/bn_print.c/#L197 | int BN_hex2bn(BIGNUM **bn, const char *a)
{
BIGNUM *ret=NULL;
BN_ULONG l=0;
int neg=0,h,m,i,j,k,c;
int num;
if ((a == NULL) || (*a == '\0')) return(0);
if (*a == '-') { neg=1; a++; }
for (i=0; isxdigit((unsigned char) a[i]); i++)
;
num=i+neg;
if (bn == NULL) return(num);
if (*bn == NULL)
{
if ((ret=BN_new()) == NULL) return(0);
}
else
{
ret= *bn;
BN_zero(ret);
}
if (bn_expand(ret,i*4) == NULL) goto err;
j=i;
m=0;
h=0;
while (j > 0)
{
m=((BN_BYTES*2) <= j)?(BN_BYTES*2):j;
l=0;
for (;;)
{
c=a[j-m];
if ((c >= '0') && (c <= '9')) k=c-'0';
else if ((c >= 'a') && (c <= 'f')) k=c-'a'+10;
else if ((c >= 'A') && (c <= 'F')) k=c-'A'+10;
else k=0;
l=(l<<4)|k;
if (--m <= 0)
{
ret->d[h++]=l;
break;
}
}
j-=(BN_BYTES*2);
}
ret->top=h;
bn_fix_top(ret);
ret->neg=neg;
*bn=ret;
return(num);
err:
if (*bn == NULL) BN_free(ret);
return(0);
} | ['EC_GROUP *EC_GROUP_new_by_name(int name)\n\t{\n\tEC_GROUP *ret = NULL;\n\tswitch (name)\n\t\t{\n\tcase EC_GROUP_NO_CURVE:\n\t\treturn NULL;\n\tcase EC_GROUP_NIST_PRIME_224:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_224);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_384:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_384);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_521:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_521);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_192:\n\tcase EC_GROUP_X9_62_PRIME_192V1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_192);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_192V2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_192V2);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_192V3:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_192V3);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_239V1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_239V1);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_239V2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_239V2);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_239V3:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_239V3);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_256:\n\tcase EC_GROUP_X9_62_PRIME_256V1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_256V1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_112R1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_112R1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_112R2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_112R2);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_128R1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_128R1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_128R2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_128R2);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_160K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_160K1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_160R1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_160R1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_160R2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_160R2);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_192K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_192K1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_224K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_224K1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_256K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_256K1);\n\t\tbreak;\n\tcase EC_GROUP_WTLS_6:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_WTLS_6);\n\t\tbreak;\n\tcase EC_GROUP_WTLS_8:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_WTLS_8);\n\t\tbreak;\n\tcase EC_GROUP_WTLS_9:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_WTLS_9);\n\t\tbreak;\n\t\t}\n\tif (ret == NULL)\n\t\t{\n\t\tECerr(EC_F_EC_GROUP_NEW_BY_NAME, EC_R_UNKNOWN_GROUP);\n\t\treturn NULL;\n\t\t}\n\tEC_GROUP_set_nid(ret, name);\n\treturn ret;\n\t}', 'static EC_GROUP *ec_group_new_GFp_from_hex(const char *prime_in,\n\t const char *a_in, const char *b_in,\n\t const char *x_in, const int y_bit, const char *order_in, const BN_ULONG cofac_in)\n\t{\n\tEC_GROUP *group=NULL;\n\tEC_POINT *P=NULL;\n\tBN_CTX\t *ctx=NULL;\n\tBIGNUM \t *prime=NULL,*a=NULL,*b=NULL,*x=NULL,*order=NULL;\n\tint\t ok=0;\n\tif ((ctx = BN_CTX_new()) == NULL) goto bn_err;\n\tif ((prime = BN_new()) == NULL || (a = BN_new()) == NULL || (b = BN_new()) == NULL ||\n\t\t(x = BN_new()) == NULL || (order = BN_new()) == NULL) goto bn_err;\n\tif (!BN_hex2bn(&prime, prime_in)) goto bn_err;\n\tif (!BN_hex2bn(&a, a_in)) goto bn_err;\n\tif (!BN_hex2bn(&b, b_in)) goto bn_err;\n\tif ((group = EC_GROUP_new_curve_GFp(prime, a, b, ctx)) == NULL) goto err;\n\tif ((P = EC_POINT_new(group)) == NULL) goto err;\n\tif (!BN_hex2bn(&x, x_in)) goto bn_err;\n\tif (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, y_bit, ctx)) goto err;\n\tif (!BN_hex2bn(&order, order_in)) goto bn_err;\n\tif (!BN_set_word(x, cofac_in)) goto bn_err;\n\tif (!EC_GROUP_set_generator(group, P, order, x)) goto err;\n\tok=1;\nbn_err:\n\tif (!ok)\n\t\tECerr(EC_F_EC_GROUP_NEW_GFP_FROM_HEX, ERR_R_BN_LIB);\nerr:\n\tif (!ok)\n\t\t{\n\t\tEC_GROUP_free(group);\n\t\tgroup = NULL;\n\t\t}\n\tif (P) \t EC_POINT_free(P);\n\tif (ctx) BN_CTX_free(ctx);\n\tif (prime) BN_free(prime);\n\tif (a) BN_free(a);\n\tif (b) BN_free(b);\n\tif (order) BN_free(order);\n\tif (x) BN_free(x);\n\treturn(group);\n\t}', "int BN_hex2bn(BIGNUM **bn, const char *a)\n\t{\n\tBIGNUM *ret=NULL;\n\tBN_ULONG l=0;\n\tint neg=0,h,m,i,j,k,c;\n\tint num;\n\tif ((a == NULL) || (*a == '\\0')) return(0);\n\tif (*a == '-') { neg=1; a++; }\n\tfor (i=0; isxdigit((unsigned char) a[i]); i++)\n\t\t;\n\tnum=i+neg;\n\tif (bn == NULL) return(num);\n\tif (*bn == NULL)\n\t\t{\n\t\tif ((ret=BN_new()) == NULL) return(0);\n\t\t}\n\telse\n\t\t{\n\t\tret= *bn;\n\t\tBN_zero(ret);\n\t\t}\n\tif (bn_expand(ret,i*4) == NULL) goto err;\n\tj=i;\n\tm=0;\n\th=0;\n\twhile (j > 0)\n\t\t{\n\t\tm=((BN_BYTES*2) <= j)?(BN_BYTES*2):j;\n\t\tl=0;\n\t\tfor (;;)\n\t\t\t{\n\t\t\tc=a[j-m];\n\t\t\tif ((c >= '0') && (c <= '9')) k=c-'0';\n\t\t\telse if ((c >= 'a') && (c <= 'f')) k=c-'a'+10;\n\t\t\telse if ((c >= 'A') && (c <= 'F')) k=c-'A'+10;\n\t\t\telse k=0;\n\t\t\tl=(l<<4)|k;\n\t\t\tif (--m <= 0)\n\t\t\t\t{\n\t\t\t\tret->d[h++]=l;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\tj-=(BN_BYTES*2);\n\t\t}\n\tret->top=h;\n\tbn_fix_top(ret);\n\tret->neg=neg;\n\t*bn=ret;\n\treturn(num);\nerr:\n\tif (*bn == NULL) BN_free(ret);\n\treturn(0);\n\t}"] |
8,107 | 0 | https://github.com/openssl/openssl/blob/980afccf98a9ab6df7a26161b5a39538c30a2292/apps/speed.c/#L1215 | int MAIN(int argc, char **argv)
{
ENGINE *e;
unsigned char *buf=NULL,*buf2=NULL;
int mret=1;
long count=0,save_count=0;
int i,j,k;
#ifndef OPENSSL_NO_RSA
unsigned rsa_num;
long rsa_count;
#endif
unsigned char md[EVP_MAX_MD_SIZE];
#ifndef OPENSSL_NO_MD2
unsigned char md2[MD2_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_MDC2
unsigned char mdc2[MDC2_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_MD4
unsigned char md4[MD4_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_MD5
unsigned char md5[MD5_DIGEST_LENGTH];
unsigned char hmac[MD5_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_SHA
unsigned char sha[SHA_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_RIPEMD
unsigned char rmd160[RIPEMD160_DIGEST_LENGTH];
#endif
#ifndef OPENSSL_NO_RC4
RC4_KEY rc4_ks;
#endif
#ifndef OPENSSL_NO_RC5
RC5_32_KEY rc5_ks;
#endif
#ifndef OPENSSL_NO_RC2
RC2_KEY rc2_ks;
#endif
#ifndef OPENSSL_NO_IDEA
IDEA_KEY_SCHEDULE idea_ks;
#endif
#ifndef OPENSSL_NO_BF
BF_KEY bf_ks;
#endif
#ifndef OPENSSL_NO_CAST
CAST_KEY cast_ks;
#endif
static const unsigned char key16[16]=
{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
static const unsigned char key24[24]=
{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,
0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};
static const unsigned char key32[32]=
{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,
0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34,
0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34,0x56};
#ifndef OPENSSL_NO_AES
#define MAX_BLOCK_SIZE 128
#else
#define MAX_BLOCK_SIZE 64
#endif
unsigned char DES_iv[8];
unsigned char iv[MAX_BLOCK_SIZE/8];
#ifndef OPENSSL_NO_DES
DES_cblock *buf_as_des_cblock = NULL;
static des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
static des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
static des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};
DES_key_schedule sch;
DES_key_schedule sch2;
DES_key_schedule sch3;
#endif
#ifndef OPENSSL_NO_AES
AES_KEY aes_ks1, aes_ks2, aes_ks3;
#endif
#define D_MD2 0
#define D_MDC2 1
#define D_MD4 2
#define D_MD5 3
#define D_HMAC 4
#define D_SHA1 5
#define D_RMD160 6
#define D_RC4 7
#define D_CBC_DES 8
#define D_EDE3_DES 9
#define D_CBC_IDEA 10
#define D_CBC_RC2 11
#define D_CBC_RC5 12
#define D_CBC_BF 13
#define D_CBC_CAST 14
#define D_CBC_128_AES 15
#define D_CBC_192_AES 16
#define D_CBC_256_AES 17
#define D_EVP 18
double d=0.0;
long c[ALGOR_NUM][SIZE_NUM];
#define R_DSA_512 0
#define R_DSA_1024 1
#define R_DSA_2048 2
#define R_RSA_512 0
#define R_RSA_1024 1
#define R_RSA_2048 2
#define R_RSA_4096 3
#ifndef OPENSSL_NO_RSA
RSA *rsa_key[RSA_NUM];
long rsa_c[RSA_NUM][2];
static unsigned int rsa_bits[RSA_NUM]={512,1024,2048,4096};
static unsigned char *rsa_data[RSA_NUM]=
{test512,test1024,test2048,test4096};
static int rsa_data_length[RSA_NUM]={
sizeof(test512),sizeof(test1024),
sizeof(test2048),sizeof(test4096)};
#endif
#ifndef OPENSSL_NO_DSA
DSA *dsa_key[DSA_NUM];
long dsa_c[DSA_NUM][2];
static unsigned int dsa_bits[DSA_NUM]={512,1024,2048};
#endif
int rsa_doit[RSA_NUM];
int dsa_doit[DSA_NUM];
int doit[ALGOR_NUM];
int pr_header=0;
const EVP_CIPHER *evp_cipher=NULL;
const EVP_MD *evp_md=NULL;
int decrypt=0;
#ifdef HAVE_FORK
int multi=0;
#endif
#ifndef TIMES
usertime=-1;
#endif
apps_startup();
memset(results, 0, sizeof(results));
#ifndef OPENSSL_NO_DSA
memset(dsa_key,0,sizeof(dsa_key));
#endif
if (bio_err == NULL)
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
#ifndef OPENSSL_NO_RSA
memset(rsa_key,0,sizeof(rsa_key));
for (i=0; i<RSA_NUM; i++)
rsa_key[i]=NULL;
#endif
if ((buf=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
#ifndef OPENSSL_NO_DES
buf_as_des_cblock = (des_cblock *)buf;
#endif
if ((buf2=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
memset(c,0,sizeof(c));
memset(DES_iv,0,sizeof(DES_iv));
memset(iv,0,sizeof(iv));
for (i=0; i<ALGOR_NUM; i++)
doit[i]=0;
for (i=0; i<RSA_NUM; i++)
rsa_doit[i]=0;
for (i=0; i<DSA_NUM; i++)
dsa_doit[i]=0;
j=0;
argc--;
argv++;
while (argc)
{
if ((argc > 0) && (strcmp(*argv,"-elapsed") == 0))
{
usertime = 0;
j--;
}
else if ((argc > 0) && (strcmp(*argv,"-evp") == 0))
{
argc--;
argv++;
if(argc == 0)
{
BIO_printf(bio_err,"no EVP given\n");
goto end;
}
evp_cipher=EVP_get_cipherbyname(*argv);
if(!evp_cipher)
{
evp_md=EVP_get_digestbyname(*argv);
}
if(!evp_cipher && !evp_md)
{
BIO_printf(bio_err,"%s is an unknown cipher or digest\n",*argv);
goto end;
}
doit[D_EVP]=1;
}
else if (argc > 0 && !strcmp(*argv,"-decrypt"))
{
decrypt=1;
j--;
}
else if ((argc > 0) && (strcmp(*argv,"-engine") == 0))
{
argc--;
argv++;
if(argc == 0)
{
BIO_printf(bio_err,"no engine given\n");
goto end;
}
e = setup_engine(bio_err, *argv, 0);
j--;
}
#ifdef HAVE_FORK
else if ((argc > 0) && (strcmp(*argv,"-multi") == 0))
{
argc--;
argv++;
if(argc == 0)
{
BIO_printf(bio_err,"no multi count given\n");
goto end;
}
multi=atoi(argv[0]);
if(multi <= 0)
{
BIO_printf(bio_err,"bad multi count\n");
goto end;
}
j--;
}
#endif
else if (argc > 0 && !strcmp(*argv,"-mr"))
{
mr=1;
j--;
}
else
#ifndef OPENSSL_NO_MD2
if (strcmp(*argv,"md2") == 0) doit[D_MD2]=1;
else
#endif
#ifndef OPENSSL_NO_MDC2
if (strcmp(*argv,"mdc2") == 0) doit[D_MDC2]=1;
else
#endif
#ifndef OPENSSL_NO_MD4
if (strcmp(*argv,"md4") == 0) doit[D_MD4]=1;
else
#endif
#ifndef OPENSSL_NO_MD5
if (strcmp(*argv,"md5") == 0) doit[D_MD5]=1;
else
#endif
#ifndef OPENSSL_NO_MD5
if (strcmp(*argv,"hmac") == 0) doit[D_HMAC]=1;
else
#endif
#ifndef OPENSSL_NO_SHA
if (strcmp(*argv,"sha1") == 0) doit[D_SHA1]=1;
else
if (strcmp(*argv,"sha") == 0) doit[D_SHA1]=1;
else
#endif
#ifndef OPENSSL_NO_RIPEMD
if (strcmp(*argv,"ripemd") == 0) doit[D_RMD160]=1;
else
if (strcmp(*argv,"rmd160") == 0) doit[D_RMD160]=1;
else
if (strcmp(*argv,"ripemd160") == 0) doit[D_RMD160]=1;
else
#endif
#ifndef OPENSSL_NO_RC4
if (strcmp(*argv,"rc4") == 0) doit[D_RC4]=1;
else
#endif
#ifndef OPENSSL_NO_DES
if (strcmp(*argv,"des-cbc") == 0) doit[D_CBC_DES]=1;
else if (strcmp(*argv,"des-ede3") == 0) doit[D_EDE3_DES]=1;
else
#endif
#ifndef OPENSSL_NO_AES
if (strcmp(*argv,"aes-128-cbc") == 0) doit[D_CBC_128_AES]=1;
else if (strcmp(*argv,"aes-192-cbc") == 0) doit[D_CBC_192_AES]=1;
else if (strcmp(*argv,"aes-256-cbc") == 0) doit[D_CBC_256_AES]=1;
else
#endif
#ifndef OPENSSL_NO_RSA
#if 0
if (strcmp(*argv,"rsaref") == 0)
{
RSA_set_default_openssl_method(RSA_PKCS1_RSAref());
j--;
}
else
#endif
#ifndef RSA_NULL
if (strcmp(*argv,"openssl") == 0)
{
RSA_set_default_method(RSA_PKCS1_SSLeay());
j--;
}
else
#endif
#endif
if (strcmp(*argv,"dsa512") == 0) dsa_doit[R_DSA_512]=2;
else if (strcmp(*argv,"dsa1024") == 0) dsa_doit[R_DSA_1024]=2;
else if (strcmp(*argv,"dsa2048") == 0) dsa_doit[R_DSA_2048]=2;
else if (strcmp(*argv,"rsa512") == 0) rsa_doit[R_RSA_512]=2;
else if (strcmp(*argv,"rsa1024") == 0) rsa_doit[R_RSA_1024]=2;
else if (strcmp(*argv,"rsa2048") == 0) rsa_doit[R_RSA_2048]=2;
else if (strcmp(*argv,"rsa4096") == 0) rsa_doit[R_RSA_4096]=2;
else
#ifndef OPENSSL_NO_RC2
if (strcmp(*argv,"rc2-cbc") == 0) doit[D_CBC_RC2]=1;
else if (strcmp(*argv,"rc2") == 0) doit[D_CBC_RC2]=1;
else
#endif
#ifndef OPENSSL_NO_RC5
if (strcmp(*argv,"rc5-cbc") == 0) doit[D_CBC_RC5]=1;
else if (strcmp(*argv,"rc5") == 0) doit[D_CBC_RC5]=1;
else
#endif
#ifndef OPENSSL_NO_IDEA
if (strcmp(*argv,"idea-cbc") == 0) doit[D_CBC_IDEA]=1;
else if (strcmp(*argv,"idea") == 0) doit[D_CBC_IDEA]=1;
else
#endif
#ifndef OPENSSL_NO_BF
if (strcmp(*argv,"bf-cbc") == 0) doit[D_CBC_BF]=1;
else if (strcmp(*argv,"blowfish") == 0) doit[D_CBC_BF]=1;
else if (strcmp(*argv,"bf") == 0) doit[D_CBC_BF]=1;
else
#endif
#ifndef OPENSSL_NO_CAST
if (strcmp(*argv,"cast-cbc") == 0) doit[D_CBC_CAST]=1;
else if (strcmp(*argv,"cast") == 0) doit[D_CBC_CAST]=1;
else if (strcmp(*argv,"cast5") == 0) doit[D_CBC_CAST]=1;
else
#endif
#ifndef OPENSSL_NO_DES
if (strcmp(*argv,"des") == 0)
{
doit[D_CBC_DES]=1;
doit[D_EDE3_DES]=1;
}
else
#endif
#ifndef OPENSSL_NO_AES
if (strcmp(*argv,"aes") == 0)
{
doit[D_CBC_128_AES]=1;
doit[D_CBC_192_AES]=1;
doit[D_CBC_256_AES]=1;
}
else
#endif
#ifndef OPENSSL_NO_RSA
if (strcmp(*argv,"rsa") == 0)
{
rsa_doit[R_RSA_512]=1;
rsa_doit[R_RSA_1024]=1;
rsa_doit[R_RSA_2048]=1;
rsa_doit[R_RSA_4096]=1;
}
else
#endif
#ifndef OPENSSL_NO_DSA
if (strcmp(*argv,"dsa") == 0)
{
dsa_doit[R_DSA_512]=1;
dsa_doit[R_DSA_1024]=1;
}
else
#endif
{
BIO_printf(bio_err,"Error: bad option or value\n");
BIO_printf(bio_err,"\n");
BIO_printf(bio_err,"Available values:\n");
#ifndef OPENSSL_NO_MD2
BIO_printf(bio_err,"md2 ");
#endif
#ifndef OPENSSL_NO_MDC2
BIO_printf(bio_err,"mdc2 ");
#endif
#ifndef OPENSSL_NO_MD4
BIO_printf(bio_err,"md4 ");
#endif
#ifndef OPENSSL_NO_MD5
BIO_printf(bio_err,"md5 ");
#ifndef OPENSSL_NO_HMAC
BIO_printf(bio_err,"hmac ");
#endif
#endif
#ifndef OPENSSL_NO_SHA1
BIO_printf(bio_err,"sha1 ");
#endif
#ifndef OPENSSL_NO_RIPEMD160
BIO_printf(bio_err,"rmd160");
#endif
#if !defined(OPENSSL_NO_MD2) || !defined(OPENSSL_NO_MDC2) || \
!defined(OPENSSL_NO_MD4) || !defined(OPENSSL_NO_MD5) || \
!defined(OPENSSL_NO_SHA1) || !defined(OPENSSL_NO_RIPEMD160)
BIO_printf(bio_err,"\n");
#endif
#ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err,"idea-cbc ");
#endif
#ifndef OPENSSL_NO_RC2
BIO_printf(bio_err,"rc2-cbc ");
#endif
#ifndef OPENSSL_NO_RC5
BIO_printf(bio_err,"rc5-cbc ");
#endif
#ifndef OPENSSL_NO_BF
BIO_printf(bio_err,"bf-cbc");
#endif
#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_RC2) || \
!defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_RC5)
BIO_printf(bio_err,"\n");
#endif
#ifndef OPENSSL_NO_DES
BIO_printf(bio_err,"des-cbc des-ede3 ");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf(bio_err,"aes-128-cbc aes-192-cbc aes-256-cbc ");
#endif
#ifndef OPENSSL_NO_RC4
BIO_printf(bio_err,"rc4");
#endif
BIO_printf(bio_err,"\n");
#ifndef OPENSSL_NO_RSA
BIO_printf(bio_err,"rsa512 rsa1024 rsa2048 rsa4096\n");
#endif
#ifndef OPENSSL_NO_DSA
BIO_printf(bio_err,"dsa512 dsa1024 dsa2048\n");
#endif
#ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err,"idea ");
#endif
#ifndef OPENSSL_NO_RC2
BIO_printf(bio_err,"rc2 ");
#endif
#ifndef OPENSSL_NO_DES
BIO_printf(bio_err,"des ");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf(bio_err,"aes ");
#endif
#ifndef OPENSSL_NO_RSA
BIO_printf(bio_err,"rsa ");
#endif
#ifndef OPENSSL_NO_BF
BIO_printf(bio_err,"blowfish");
#endif
#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_RC2) || \
!defined(OPENSSL_NO_DES) || !defined(OPENSSL_NO_RSA) || \
!defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_AES)
BIO_printf(bio_err,"\n");
#endif
BIO_printf(bio_err,"\n");
BIO_printf(bio_err,"Available options:\n");
#ifdef TIMES
BIO_printf(bio_err,"-elapsed measure time in real time instead of CPU user time.\n");
#endif
BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
BIO_printf(bio_err,"-evp e use EVP e.\n");
BIO_printf(bio_err,"-decrypt time decryption instead of encryption (only EVP).\n");
BIO_printf(bio_err,"-mr produce machine readable output.\n");
#ifdef HAVE_FORK
BIO_printf(bio_err,"-multi n run n benchmarks in parallel.\n");
#endif
goto end;
}
argc--;
argv++;
j++;
}
#ifdef HAVE_FORK
if(multi && do_multi(multi))
goto show_res;
#endif
if (j == 0)
{
for (i=0; i<ALGOR_NUM; i++)
{
if (i != D_EVP)
doit[i]=1;
}
for (i=0; i<RSA_NUM; i++)
rsa_doit[i]=1;
for (i=0; i<DSA_NUM; i++)
dsa_doit[i]=1;
}
for (i=0; i<ALGOR_NUM; i++)
if (doit[i]) pr_header++;
if (usertime == 0 && !mr)
BIO_printf(bio_err,"You have chosen to measure elapsed time instead of user CPU time.\n");
if (usertime <= 0 && !mr)
{
BIO_printf(bio_err,"To get the most accurate results, try to run this\n");
BIO_printf(bio_err,"program when this computer is idle.\n");
}
#ifndef OPENSSL_NO_RSA
for (i=0; i<RSA_NUM; i++)
{
const unsigned char *p;
p=rsa_data[i];
rsa_key[i]=d2i_RSAPrivateKey(NULL,&p,rsa_data_length[i]);
if (rsa_key[i] == NULL)
{
BIO_printf(bio_err,"internal error loading RSA key number %d\n",i);
goto end;
}
#if 0
else
{
BIO_printf(bio_err,mr ? "+RK:%d:"
: "Loaded RSA key, %d bit modulus and e= 0x",
BN_num_bits(rsa_key[i]->n));
BN_print(bio_err,rsa_key[i]->e);
BIO_printf(bio_err,"\n");
}
#endif
}
#endif
#ifndef OPENSSL_NO_DSA
dsa_key[0]=get_dsa512();
dsa_key[1]=get_dsa1024();
dsa_key[2]=get_dsa2048();
#endif
#ifndef OPENSSL_NO_DES
DES_set_key_unchecked(&key,&sch);
DES_set_key_unchecked(&key2,&sch2);
DES_set_key_unchecked(&key3,&sch3);
#endif
#ifndef OPENSSL_NO_AES
AES_set_encrypt_key(key16,128,&aes_ks1);
AES_set_encrypt_key(key24,192,&aes_ks2);
AES_set_encrypt_key(key32,256,&aes_ks3);
#endif
#ifndef OPENSSL_NO_IDEA
idea_set_encrypt_key(key16,&idea_ks);
#endif
#ifndef OPENSSL_NO_RC4
RC4_set_key(&rc4_ks,16,key16);
#endif
#ifndef OPENSSL_NO_RC2
RC2_set_key(&rc2_ks,16,key16,128);
#endif
#ifndef OPENSSL_NO_RC5
RC5_32_set_key(&rc5_ks,16,key16,12);
#endif
#ifndef OPENSSL_NO_BF
BF_set_key(&bf_ks,16,key16);
#endif
#ifndef OPENSSL_NO_CAST
CAST_set_key(&cast_ks,16,key16);
#endif
#ifndef OPENSSL_NO_RSA
memset(rsa_c,0,sizeof(rsa_c));
#endif
#ifndef SIGALRM
#ifndef OPENSSL_NO_DES
BIO_printf(bio_err,"First we calculate the approximate speed ...\n");
count=10;
do {
long i;
count*=2;
Time_F(START);
for (i=count; i; i--)
DES_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,
&sch,DES_ENCRYPT);
d=Time_F(STOP);
} while (d <3);
save_count=count;
c[D_MD2][0]=count/10;
c[D_MDC2][0]=count/10;
c[D_MD4][0]=count;
c[D_MD5][0]=count;
c[D_HMAC][0]=count;
c[D_SHA1][0]=count;
c[D_RMD160][0]=count;
c[D_RC4][0]=count*5;
c[D_CBC_DES][0]=count;
c[D_EDE3_DES][0]=count/3;
c[D_CBC_IDEA][0]=count;
c[D_CBC_RC2][0]=count;
c[D_CBC_RC5][0]=count;
c[D_CBC_BF][0]=count;
c[D_CBC_CAST][0]=count;
for (i=1; i<SIZE_NUM; i++)
{
c[D_MD2][i]=c[D_MD2][0]*4*lengths[0]/lengths[i];
c[D_MDC2][i]=c[D_MDC2][0]*4*lengths[0]/lengths[i];
c[D_MD4][i]=c[D_MD4][0]*4*lengths[0]/lengths[i];
c[D_MD5][i]=c[D_MD5][0]*4*lengths[0]/lengths[i];
c[D_HMAC][i]=c[D_HMAC][0]*4*lengths[0]/lengths[i];
c[D_SHA1][i]=c[D_SHA1][0]*4*lengths[0]/lengths[i];
c[D_RMD160][i]=c[D_RMD160][0]*4*lengths[0]/lengths[i];
}
for (i=1; i<SIZE_NUM; i++)
{
long l0,l1;
l0=(long)lengths[i-1];
l1=(long)lengths[i];
c[D_RC4][i]=c[D_RC4][i-1]*l0/l1;
c[D_CBC_DES][i]=c[D_CBC_DES][i-1]*l0/l1;
c[D_EDE3_DES][i]=c[D_EDE3_DES][i-1]*l0/l1;
c[D_CBC_IDEA][i]=c[D_CBC_IDEA][i-1]*l0/l1;
c[D_CBC_RC2][i]=c[D_CBC_RC2][i-1]*l0/l1;
c[D_CBC_RC5][i]=c[D_CBC_RC5][i-1]*l0/l1;
c[D_CBC_BF][i]=c[D_CBC_BF][i-1]*l0/l1;
c[D_CBC_CAST][i]=c[D_CBC_CAST][i-1]*l0/l1;
}
#ifndef OPENSSL_NO_RSA
rsa_c[R_RSA_512][0]=count/2000;
rsa_c[R_RSA_512][1]=count/400;
for (i=1; i<RSA_NUM; i++)
{
rsa_c[i][0]=rsa_c[i-1][0]/8;
rsa_c[i][1]=rsa_c[i-1][1]/4;
if ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))
rsa_doit[i]=0;
else
{
if (rsa_c[i][0] == 0)
{
rsa_c[i][0]=1;
rsa_c[i][1]=20;
}
}
}
#endif
#ifndef OPENSSL_NO_DSA
dsa_c[R_DSA_512][0]=count/1000;
dsa_c[R_DSA_512][1]=count/1000/2;
for (i=1; i<DSA_NUM; i++)
{
dsa_c[i][0]=dsa_c[i-1][0]/4;
dsa_c[i][1]=dsa_c[i-1][1]/4;
if ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))
dsa_doit[i]=0;
else
{
if (dsa_c[i] == 0)
{
dsa_c[i][0]=1;
dsa_c[i][1]=1;
}
}
}
#endif
#define COND(d) (count < (d))
#define COUNT(d) (d)
#else
# error "You cannot disable DES on systems without SIGALRM."
#endif
#else
#define COND(c) (run)
#define COUNT(d) (count)
signal(SIGALRM,sig_done);
#endif
#ifndef OPENSSL_NO_MD2
if (doit[D_MD2])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_MD2],c[D_MD2][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_MD2][j]); count++)
EVP_Digest(buf,(unsigned long)lengths[j],&(md2[0]),NULL,EVP_md2(),NULL);
d=Time_F(STOP);
print_result(D_MD2,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_MDC2
if (doit[D_MDC2])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_MDC2],c[D_MDC2][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_MDC2][j]); count++)
EVP_Digest(buf,(unsigned long)lengths[j],&(mdc2[0]),NULL,EVP_mdc2(),NULL);
d=Time_F(STOP);
print_result(D_MDC2,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_MD4
if (doit[D_MD4])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_MD4],c[D_MD4][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_MD4][j]); count++)
EVP_Digest(&(buf[0]),(unsigned long)lengths[j],&(md4[0]),NULL,EVP_md4(),NULL);
d=Time_F(STOP);
print_result(D_MD4,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_MD5
if (doit[D_MD5])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_MD5],c[D_MD5][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_MD5][j]); count++)
EVP_Digest(&(buf[0]),(unsigned long)lengths[j],&(md5[0]),NULL,EVP_get_digestbyname("md5"),NULL);
d=Time_F(STOP);
print_result(D_MD5,j,count,d);
}
}
#endif
#if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_HMAC)
if (doit[D_HMAC])
{
HMAC_CTX hctx;
HMAC_CTX_init(&hctx);
HMAC_Init_ex(&hctx,(unsigned char *)"This is a key...",
16,EVP_md5());
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_HMAC][j]); count++)
{
HMAC_Init_ex(&hctx,NULL,0,NULL);
HMAC_Update(&hctx,buf,lengths[j]);
HMAC_Final(&hctx,&(hmac[0]),NULL);
}
d=Time_F(STOP);
print_result(D_HMAC,j,count,d);
}
HMAC_CTX_cleanup(&hctx);
}
#endif
#ifndef OPENSSL_NO_SHA
if (doit[D_SHA1])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_SHA1][j]); count++)
EVP_Digest(buf,(unsigned long)lengths[j],&(sha[0]),NULL,EVP_sha1(),NULL);
d=Time_F(STOP);
print_result(D_SHA1,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_RIPEMD
if (doit[D_RMD160])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_RMD160],c[D_RMD160][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_RMD160][j]); count++)
EVP_Digest(buf,(unsigned long)lengths[j],&(rmd160[0]),NULL,EVP_ripemd160(),NULL);
d=Time_F(STOP);
print_result(D_RMD160,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_RC4
if (doit[D_RC4])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_RC4],c[D_RC4][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_RC4][j]); count++)
RC4(&rc4_ks,(unsigned int)lengths[j],
buf,buf);
d=Time_F(STOP);
print_result(D_RC4,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_DES
if (doit[D_CBC_DES])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_DES],c[D_CBC_DES][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_DES][j]); count++)
DES_ncbc_encrypt(buf,buf,lengths[j],&sch,
&DES_iv,DES_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_DES,j,count,d);
}
}
if (doit[D_EDE3_DES])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_EDE3_DES],c[D_EDE3_DES][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)
DES_ede3_cbc_encrypt(buf,buf,lengths[j],
&sch,&sch2,&sch3,
&DES_iv,DES_ENCRYPT);
d=Time_F(STOP);
print_result(D_EDE3_DES,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_AES
if (doit[D_CBC_128_AES])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_128_AES],c[D_CBC_128_AES][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_128_AES][j]); count++)
AES_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&aes_ks1,
iv,AES_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_128_AES,j,count,d);
}
}
if (doit[D_CBC_192_AES])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_192_AES],c[D_CBC_192_AES][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_192_AES][j]); count++)
AES_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&aes_ks2,
iv,AES_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_192_AES,j,count,d);
}
}
if (doit[D_CBC_256_AES])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_256_AES],c[D_CBC_256_AES][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_256_AES][j]); count++)
AES_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&aes_ks3,
iv,AES_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_256_AES,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_IDEA
if (doit[D_CBC_IDEA])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_IDEA],c[D_CBC_IDEA][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_IDEA][j]); count++)
idea_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&idea_ks,
iv,IDEA_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_IDEA,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_RC2
if (doit[D_CBC_RC2])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_RC2],c[D_CBC_RC2][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_RC2][j]); count++)
RC2_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&rc2_ks,
iv,RC2_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_RC2,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_RC5
if (doit[D_CBC_RC5])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_RC5],c[D_CBC_RC5][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_RC5][j]); count++)
RC5_32_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&rc5_ks,
iv,RC5_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_RC5,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_BF
if (doit[D_CBC_BF])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_BF],c[D_CBC_BF][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_BF][j]); count++)
BF_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&bf_ks,
iv,BF_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_BF,j,count,d);
}
}
#endif
#ifndef OPENSSL_NO_CAST
if (doit[D_CBC_CAST])
{
for (j=0; j<SIZE_NUM; j++)
{
print_message(names[D_CBC_CAST],c[D_CBC_CAST][j],lengths[j]);
Time_F(START);
for (count=0,run=1; COND(c[D_CBC_CAST][j]); count++)
CAST_cbc_encrypt(buf,buf,
(unsigned long)lengths[j],&cast_ks,
iv,CAST_ENCRYPT);
d=Time_F(STOP);
print_result(D_CBC_CAST,j,count,d);
}
}
#endif
if (doit[D_EVP])
{
for (j=0; j<SIZE_NUM; j++)
{
if (evp_cipher)
{
EVP_CIPHER_CTX ctx;
int outl;
names[D_EVP]=OBJ_nid2ln(evp_cipher->nid);
print_message(names[D_EVP],save_count,
lengths[j]);
EVP_CIPHER_CTX_init(&ctx);
if(decrypt)
EVP_DecryptInit_ex(&ctx,evp_cipher,NULL,key16,iv);
else
EVP_EncryptInit_ex(&ctx,evp_cipher,NULL,key16,iv);
Time_F(START);
if(decrypt)
for (count=0,run=1; COND(save_count*4*lengths[0]/lengths[j]); count++)
EVP_DecryptUpdate(&ctx,buf,&outl,buf,lengths[j]);
else
for (count=0,run=1; COND(save_count*4*lengths[0]/lengths[j]); count++)
EVP_EncryptUpdate(&ctx,buf,&outl,buf,lengths[j]);
if(decrypt)
EVP_DecryptFinal_ex(&ctx,buf,&outl);
else
EVP_EncryptFinal_ex(&ctx,buf,&outl);
d=Time_F(STOP);
}
if (evp_md)
{
names[D_EVP]=OBJ_nid2ln(evp_md->type);
print_message(names[D_EVP],save_count,
lengths[j]);
Time_F(START);
for (count=0,run=1; COND(save_count*4*lengths[0]/lengths[j]); count++)
EVP_Digest(buf,lengths[j],&(md[0]),NULL,evp_md,NULL);
d=Time_F(STOP);
}
print_result(D_EVP,j,count,d);
}
}
RAND_pseudo_bytes(buf,36);
#ifndef OPENSSL_NO_RSA
for (j=0; j<RSA_NUM; j++)
{
int ret;
if (!rsa_doit[j]) continue;
ret=RSA_sign(NID_md5_sha1, buf,36, buf2, &rsa_num, rsa_key[j]);
if (ret == 0)
{
BIO_printf(bio_err,"RSA sign failure. No RSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count=1;
}
else
{
pkey_print_message("private","rsa",
rsa_c[j][0],rsa_bits[j],
RSA_SECONDS);
Time_F(START);
for (count=0,run=1; COND(rsa_c[j][0]); count++)
{
ret=RSA_sign(NID_md5_sha1, buf,36, buf2,
&rsa_num, rsa_key[j]);
if (ret == 0)
{
BIO_printf(bio_err,
"RSA sign failure\n");
ERR_print_errors(bio_err);
count=1;
break;
}
}
d=Time_F(STOP);
BIO_printf(bio_err,mr ? "+R1:%ld:%d:%.2f\n"
: "%ld %d bit private RSA's in %.2fs\n",
count,rsa_bits[j],d);
rsa_results[j][0]=d/(double)count;
rsa_count=count;
}
#if 1
ret=RSA_verify(NID_md5_sha1, buf,36, buf2, rsa_num, rsa_key[j]);
if (ret <= 0)
{
BIO_printf(bio_err,"RSA verify failure. No RSA verify will be done.\n");
ERR_print_errors(bio_err);
rsa_doit[j] = 0;
}
else
{
pkey_print_message("public","rsa",
rsa_c[j][1],rsa_bits[j],
RSA_SECONDS);
Time_F(START);
for (count=0,run=1; COND(rsa_c[j][1]); count++)
{
ret=RSA_verify(NID_md5_sha1, buf,36, buf2,
rsa_num, rsa_key[j]);
if (ret == 0)
{
BIO_printf(bio_err,
"RSA verify failure\n");
ERR_print_errors(bio_err);
count=1;
break;
}
}
d=Time_F(STOP);
BIO_printf(bio_err,mr ? "+R2:%ld:%d:%.2f\n"
: "%ld %d bit public RSA's in %.2fs\n",
count,rsa_bits[j],d);
rsa_results[j][1]=d/(double)count;
}
#endif
if (rsa_count <= 1)
{
for (j++; j<RSA_NUM; j++)
rsa_doit[j]=0;
}
}
#endif
RAND_pseudo_bytes(buf,20);
#ifndef OPENSSL_NO_DSA
if (RAND_status() != 1)
{
RAND_seed(rnd_seed, sizeof rnd_seed);
rnd_fake = 1;
}
for (j=0; j<DSA_NUM; j++)
{
unsigned int kk;
int ret;
if (!dsa_doit[j]) continue;
ret=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,
&kk,dsa_key[j]);
if (ret == 0)
{
BIO_printf(bio_err,"DSA sign failure. No DSA sign will be done.\n");
ERR_print_errors(bio_err);
rsa_count=1;
}
else
{
pkey_print_message("sign","dsa",
dsa_c[j][0],dsa_bits[j],
DSA_SECONDS);
Time_F(START);
for (count=0,run=1; COND(dsa_c[j][0]); count++)
{
ret=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,
&kk,dsa_key[j]);
if (ret == 0)
{
BIO_printf(bio_err,
"DSA sign failure\n");
ERR_print_errors(bio_err);
count=1;
break;
}
}
d=Time_F(STOP);
BIO_printf(bio_err,mr ? "+R3:%ld:%d:%.2f\n"
: "%ld %d bit DSA signs in %.2fs\n",
count,dsa_bits[j],d);
dsa_results[j][0]=d/(double)count;
rsa_count=count;
}
ret=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,
kk,dsa_key[j]);
if (ret <= 0)
{
BIO_printf(bio_err,"DSA verify failure. No DSA verify will be done.\n");
ERR_print_errors(bio_err);
dsa_doit[j] = 0;
}
else
{
pkey_print_message("verify","dsa",
dsa_c[j][1],dsa_bits[j],
DSA_SECONDS);
Time_F(START);
for (count=0,run=1; COND(dsa_c[j][1]); count++)
{
ret=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,
kk,dsa_key[j]);
if (ret <= 0)
{
BIO_printf(bio_err,
"DSA verify failure\n");
ERR_print_errors(bio_err);
count=1;
break;
}
}
d=Time_F(STOP);
BIO_printf(bio_err,mr ? "+R4:%ld:%d:%.2f\n"
: "%ld %d bit DSA verify in %.2fs\n",
count,dsa_bits[j],d);
dsa_results[j][1]=d/(double)count;
}
if (rsa_count <= 1)
{
for (j++; j<DSA_NUM; j++)
dsa_doit[j]=0;
}
}
if (rnd_fake) RAND_cleanup();
#endif
#ifdef HAVE_FORK
show_res:
#endif
if(!mr)
{
fprintf(stdout,"%s\n",SSLeay_version(SSLEAY_VERSION));
fprintf(stdout,"%s\n",SSLeay_version(SSLEAY_BUILT_ON));
printf("options:");
printf("%s ",BN_options());
#ifndef OPENSSL_NO_MD2
printf("%s ",MD2_options());
#endif
#ifndef OPENSSL_NO_RC4
printf("%s ",RC4_options());
#endif
#ifndef OPENSSL_NO_DES
printf("%s ",des_options());
#endif
#ifndef OPENSSL_NO_AES
printf("%s ",AES_options());
#endif
#ifndef OPENSSL_NO_IDEA
printf("%s ",idea_options());
#endif
#ifndef OPENSSL_NO_BF
printf("%s ",BF_options());
#endif
fprintf(stdout,"\n%s\n",SSLeay_version(SSLEAY_CFLAGS));
printf("available timing options: ");
#ifdef TIMES
printf("TIMES ");
#endif
#ifdef TIMEB
printf("TIMEB ");
#endif
#ifdef USE_TOD
printf("USE_TOD ");
#endif
#ifdef HZ
#define as_string(s) (#s)
printf("HZ=%g", HZ);
# ifdef _SC_CLK_TCK
printf(" [sysconf value]");
# endif
#endif
printf("\n");
printf("timing function used: %s%s%s%s%s%s%s\n",
(ftime_used ? "ftime" : ""),
(ftime_used + times_used > 1 ? "," : ""),
(times_used ? "times" : ""),
(ftime_used + times_used + gettimeofday_used > 1 ? "," : ""),
(gettimeofday_used ? "gettimeofday" : ""),
(ftime_used + times_used + gettimeofday_used + getrusage_used > 1 ? "," : ""),
(getrusage_used ? "getrusage" : ""));
}
if (pr_header)
{
if(mr)
fprintf(stdout,"+H");
else
{
fprintf(stdout,"The 'numbers' are in 1000s of bytes per second processed.\n");
fprintf(stdout,"type ");
}
for (j=0; j<SIZE_NUM; j++)
fprintf(stdout,mr ? ":%d" : "%7d bytes",lengths[j]);
fprintf(stdout,"\n");
}
for (k=0; k<ALGOR_NUM; k++)
{
if (!doit[k]) continue;
if(mr)
fprintf(stdout,"+F:%d:%s",k,names[k]);
else
fprintf(stdout,"%-13s",names[k]);
for (j=0; j<SIZE_NUM; j++)
{
if (results[k][j] > 10000 && !mr)
fprintf(stdout," %11.2fk",results[k][j]/1e3);
else
fprintf(stdout,mr ? ":%.2f" : " %11.2f ",results[k][j]);
}
fprintf(stdout,"\n");
}
#ifndef OPENSSL_NO_RSA
j=1;
for (k=0; k<RSA_NUM; k++)
{
if (!rsa_doit[k]) continue;
if (j && !mr)
{
printf("%18ssign verify sign/s verify/s\n"," ");
j=0;
}
if(mr)
fprintf(stdout,"+F2:%u:%u:%f:%f\n",
k,rsa_bits[k],rsa_results[k][0],
rsa_results[k][1]);
else
fprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f\n",
rsa_bits[k],rsa_results[k][0],rsa_results[k][1],
1.0/rsa_results[k][0],1.0/rsa_results[k][1]);
}
#endif
#ifndef OPENSSL_NO_DSA
j=1;
for (k=0; k<DSA_NUM; k++)
{
if (!dsa_doit[k]) continue;
if (j && !mr)
{
printf("%18ssign verify sign/s verify/s\n"," ");
j=0;
}
if(mr)
fprintf(stdout,"+F3:%u:%u:%f:%f\n",
k,dsa_bits[k],dsa_results[k][0],dsa_results[k][1]);
else
fprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f\n",
dsa_bits[k],dsa_results[k][0],dsa_results[k][1],
1.0/dsa_results[k][0],1.0/dsa_results[k][1]);
}
#endif
mret=0;
end:
ERR_print_errors(bio_err);
if (buf != NULL) OPENSSL_free(buf);
if (buf2 != NULL) OPENSSL_free(buf2);
#ifndef OPENSSL_NO_RSA
for (i=0; i<RSA_NUM; i++)
if (rsa_key[i] != NULL)
RSA_free(rsa_key[i]);
#endif
#ifndef OPENSSL_NO_DSA
for (i=0; i<DSA_NUM; i++)
if (dsa_key[i] != NULL)
DSA_free(dsa_key[i]);
#endif
apps_shutdown();
EXIT(mret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tENGINE *e;\n\tunsigned char *buf=NULL,*buf2=NULL;\n\tint mret=1;\n\tlong count=0,save_count=0;\n\tint i,j,k;\n#ifndef OPENSSL_NO_RSA\n\tunsigned rsa_num;\n\tlong rsa_count;\n#endif\n\tunsigned char md[EVP_MAX_MD_SIZE];\n#ifndef OPENSSL_NO_MD2\n\tunsigned char md2[MD2_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_MDC2\n\tunsigned char mdc2[MDC2_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_MD4\n\tunsigned char md4[MD4_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_MD5\n\tunsigned char md5[MD5_DIGEST_LENGTH];\n\tunsigned char hmac[MD5_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_SHA\n\tunsigned char sha[SHA_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_RIPEMD\n\tunsigned char rmd160[RIPEMD160_DIGEST_LENGTH];\n#endif\n#ifndef OPENSSL_NO_RC4\n\tRC4_KEY rc4_ks;\n#endif\n#ifndef OPENSSL_NO_RC5\n\tRC5_32_KEY rc5_ks;\n#endif\n#ifndef OPENSSL_NO_RC2\n\tRC2_KEY rc2_ks;\n#endif\n#ifndef OPENSSL_NO_IDEA\n\tIDEA_KEY_SCHEDULE idea_ks;\n#endif\n#ifndef OPENSSL_NO_BF\n\tBF_KEY bf_ks;\n#endif\n#ifndef OPENSSL_NO_CAST\n\tCAST_KEY cast_ks;\n#endif\n\tstatic const unsigned char key16[16]=\n\t\t{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,\n\t\t 0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tstatic const unsigned char key24[24]=\n\t\t{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,\n\t\t 0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,\n\t\t 0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};\n\tstatic const unsigned char key32[32]=\n\t\t{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,\n\t\t 0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,\n\t\t 0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34,\n\t\t 0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34,0x56};\n#ifndef OPENSSL_NO_AES\n#define MAX_BLOCK_SIZE 128\n#else\n#define MAX_BLOCK_SIZE 64\n#endif\n\tunsigned char DES_iv[8];\n\tunsigned char iv[MAX_BLOCK_SIZE/8];\n#ifndef OPENSSL_NO_DES\n\tDES_cblock *buf_as_des_cblock = NULL;\n\tstatic des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};\n\tstatic des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tstatic des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};\n\tDES_key_schedule sch;\n\tDES_key_schedule sch2;\n\tDES_key_schedule sch3;\n#endif\n#ifndef OPENSSL_NO_AES\n\tAES_KEY aes_ks1, aes_ks2, aes_ks3;\n#endif\n#define\tD_MD2\t\t0\n#define\tD_MDC2\t\t1\n#define\tD_MD4\t\t2\n#define\tD_MD5\t\t3\n#define\tD_HMAC\t\t4\n#define\tD_SHA1\t\t5\n#define D_RMD160\t6\n#define\tD_RC4\t\t7\n#define\tD_CBC_DES\t8\n#define\tD_EDE3_DES\t9\n#define\tD_CBC_IDEA\t10\n#define\tD_CBC_RC2\t11\n#define\tD_CBC_RC5\t12\n#define\tD_CBC_BF\t13\n#define\tD_CBC_CAST\t14\n#define D_CBC_128_AES\t15\n#define D_CBC_192_AES\t16\n#define D_CBC_256_AES\t17\n#define D_EVP\t\t18\n\tdouble d=0.0;\n\tlong c[ALGOR_NUM][SIZE_NUM];\n#define\tR_DSA_512\t0\n#define\tR_DSA_1024\t1\n#define\tR_DSA_2048\t2\n#define\tR_RSA_512\t0\n#define\tR_RSA_1024\t1\n#define\tR_RSA_2048\t2\n#define\tR_RSA_4096\t3\n#ifndef OPENSSL_NO_RSA\n\tRSA *rsa_key[RSA_NUM];\n\tlong rsa_c[RSA_NUM][2];\n\tstatic unsigned int rsa_bits[RSA_NUM]={512,1024,2048,4096};\n\tstatic unsigned char *rsa_data[RSA_NUM]=\n\t\t{test512,test1024,test2048,test4096};\n\tstatic int rsa_data_length[RSA_NUM]={\n\t\tsizeof(test512),sizeof(test1024),\n\t\tsizeof(test2048),sizeof(test4096)};\n#endif\n#ifndef OPENSSL_NO_DSA\n\tDSA *dsa_key[DSA_NUM];\n\tlong dsa_c[DSA_NUM][2];\n\tstatic unsigned int dsa_bits[DSA_NUM]={512,1024,2048};\n#endif\n\tint rsa_doit[RSA_NUM];\n\tint dsa_doit[DSA_NUM];\n\tint doit[ALGOR_NUM];\n\tint pr_header=0;\n\tconst EVP_CIPHER *evp_cipher=NULL;\n\tconst EVP_MD *evp_md=NULL;\n\tint decrypt=0;\n#ifdef HAVE_FORK\n\tint multi=0;\n#endif\n#ifndef TIMES\n\tusertime=-1;\n#endif\n\tapps_startup();\n\tmemset(results, 0, sizeof(results));\n#ifndef OPENSSL_NO_DSA\n\tmemset(dsa_key,0,sizeof(dsa_key));\n#endif\n\tif (bio_err == NULL)\n\t\tif ((bio_err=BIO_new(BIO_s_file())) != NULL)\n\t\t\tBIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);\n#ifndef OPENSSL_NO_RSA\n\tmemset(rsa_key,0,sizeof(rsa_key));\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_key[i]=NULL;\n#endif\n\tif ((buf=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n#ifndef OPENSSL_NO_DES\n\tbuf_as_des_cblock = (des_cblock *)buf;\n#endif\n\tif ((buf2=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tmemset(c,0,sizeof(c));\n\tmemset(DES_iv,0,sizeof(DES_iv));\n\tmemset(iv,0,sizeof(iv));\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tdoit[i]=0;\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_doit[i]=0;\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tdsa_doit[i]=0;\n\tj=0;\n\targc--;\n\targv++;\n\twhile (argc)\n\t\t{\n\t\tif\t((argc > 0) && (strcmp(*argv,"-elapsed") == 0))\n\t\t\t{\n\t\t\tusertime = 0;\n\t\t\tj--;\n\t\t\t}\n\t\telse if\t((argc > 0) && (strcmp(*argv,"-evp") == 0))\n\t\t\t{\n\t\t\targc--;\n\t\t\targv++;\n\t\t\tif(argc == 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"no EVP given\\n");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tevp_cipher=EVP_get_cipherbyname(*argv);\n\t\t\tif(!evp_cipher)\n\t\t\t\t{\n\t\t\t\tevp_md=EVP_get_digestbyname(*argv);\n\t\t\t\t}\n\t\t\tif(!evp_cipher && !evp_md)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"%s is an unknown cipher or digest\\n",*argv);\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tdoit[D_EVP]=1;\n\t\t\t}\n\t\telse if (argc > 0 && !strcmp(*argv,"-decrypt"))\n\t\t\t{\n\t\t\tdecrypt=1;\n\t\t\tj--;\n\t\t\t}\n\t\telse if\t((argc > 0) && (strcmp(*argv,"-engine") == 0))\n\t\t\t{\n\t\t\targc--;\n\t\t\targv++;\n\t\t\tif(argc == 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"no engine given\\n");\n\t\t\t\tgoto end;\n\t\t\t\t}\n e = setup_engine(bio_err, *argv, 0);\n\t\t\tj--;\n\t\t\t}\n#ifdef HAVE_FORK\n\t\telse if\t((argc > 0) && (strcmp(*argv,"-multi") == 0))\n\t\t\t{\n\t\t\targc--;\n\t\t\targv++;\n\t\t\tif(argc == 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"no multi count given\\n");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tmulti=atoi(argv[0]);\n\t\t\tif(multi <= 0)\n\t\t\t {\n\t\t\t\tBIO_printf(bio_err,"bad multi count\\n");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tj--;\n\t\t\t}\n#endif\n\t\telse if (argc > 0 && !strcmp(*argv,"-mr"))\n\t\t\t{\n\t\t\tmr=1;\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#ifndef OPENSSL_NO_MD2\n\t\tif\t(strcmp(*argv,"md2") == 0) doit[D_MD2]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_MDC2\n\t\t\tif (strcmp(*argv,"mdc2") == 0) doit[D_MDC2]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_MD4\n\t\t\tif (strcmp(*argv,"md4") == 0) doit[D_MD4]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_MD5\n\t\t\tif (strcmp(*argv,"md5") == 0) doit[D_MD5]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_MD5\n\t\t\tif (strcmp(*argv,"hmac") == 0) doit[D_HMAC]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_SHA\n\t\t\tif (strcmp(*argv,"sha1") == 0) doit[D_SHA1]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"sha") == 0) doit[D_SHA1]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_RIPEMD\n\t\t\tif (strcmp(*argv,"ripemd") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"rmd160") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"ripemd160") == 0) doit[D_RMD160]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_RC4\n\t\t\tif (strcmp(*argv,"rc4") == 0) doit[D_RC4]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_DES\n\t\t\tif (strcmp(*argv,"des-cbc") == 0) doit[D_CBC_DES]=1;\n\t\telse\tif (strcmp(*argv,"des-ede3") == 0) doit[D_EDE3_DES]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_AES\n\t\t\tif (strcmp(*argv,"aes-128-cbc") == 0) doit[D_CBC_128_AES]=1;\n\t\telse\tif (strcmp(*argv,"aes-192-cbc") == 0) doit[D_CBC_192_AES]=1;\n\t\telse\tif (strcmp(*argv,"aes-256-cbc") == 0) doit[D_CBC_256_AES]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_RSA\n#if 0\n\t\t\tif (strcmp(*argv,"rsaref") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_openssl_method(RSA_PKCS1_RSAref());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n#ifndef RSA_NULL\n\t\t\tif (strcmp(*argv,"openssl") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_method(RSA_PKCS1_SSLeay());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n#endif\n\t\t if (strcmp(*argv,"dsa512") == 0) dsa_doit[R_DSA_512]=2;\n\t\telse if (strcmp(*argv,"dsa1024") == 0) dsa_doit[R_DSA_1024]=2;\n\t\telse if (strcmp(*argv,"dsa2048") == 0) dsa_doit[R_DSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa512") == 0) rsa_doit[R_RSA_512]=2;\n\t\telse if (strcmp(*argv,"rsa1024") == 0) rsa_doit[R_RSA_1024]=2;\n\t\telse if (strcmp(*argv,"rsa2048") == 0) rsa_doit[R_RSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa4096") == 0) rsa_doit[R_RSA_4096]=2;\n\t\telse\n#ifndef OPENSSL_NO_RC2\n\t\t if (strcmp(*argv,"rc2-cbc") == 0) doit[D_CBC_RC2]=1;\n\t\telse if (strcmp(*argv,"rc2") == 0) doit[D_CBC_RC2]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_RC5\n\t\t if (strcmp(*argv,"rc5-cbc") == 0) doit[D_CBC_RC5]=1;\n\t\telse if (strcmp(*argv,"rc5") == 0) doit[D_CBC_RC5]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_IDEA\n\t\t if (strcmp(*argv,"idea-cbc") == 0) doit[D_CBC_IDEA]=1;\n\t\telse if (strcmp(*argv,"idea") == 0) doit[D_CBC_IDEA]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_BF\n\t\t if (strcmp(*argv,"bf-cbc") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"blowfish") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"bf") == 0) doit[D_CBC_BF]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_CAST\n\t\t if (strcmp(*argv,"cast-cbc") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast5") == 0) doit[D_CBC_CAST]=1;\n\t\telse\n#endif\n#ifndef OPENSSL_NO_DES\n\t\t\tif (strcmp(*argv,"des") == 0)\n\t\t\t{\n\t\t\tdoit[D_CBC_DES]=1;\n\t\t\tdoit[D_EDE3_DES]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef OPENSSL_NO_AES\n\t\t\tif (strcmp(*argv,"aes") == 0)\n\t\t\t{\n\t\t\tdoit[D_CBC_128_AES]=1;\n\t\t\tdoit[D_CBC_192_AES]=1;\n\t\t\tdoit[D_CBC_256_AES]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef OPENSSL_NO_RSA\n\t\t\tif (strcmp(*argv,"rsa") == 0)\n\t\t\t{\n\t\t\trsa_doit[R_RSA_512]=1;\n\t\t\trsa_doit[R_RSA_1024]=1;\n\t\t\trsa_doit[R_RSA_2048]=1;\n\t\t\trsa_doit[R_RSA_4096]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef OPENSSL_NO_DSA\n\t\t\tif (strcmp(*argv,"dsa") == 0)\n\t\t\t{\n\t\t\tdsa_doit[R_DSA_512]=1;\n\t\t\tdsa_doit[R_DSA_1024]=1;\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Error: bad option or value\\n");\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\tBIO_printf(bio_err,"Available values:\\n");\n#ifndef OPENSSL_NO_MD2\n\t\t\tBIO_printf(bio_err,"md2 ");\n#endif\n#ifndef OPENSSL_NO_MDC2\n\t\t\tBIO_printf(bio_err,"mdc2 ");\n#endif\n#ifndef OPENSSL_NO_MD4\n\t\t\tBIO_printf(bio_err,"md4 ");\n#endif\n#ifndef OPENSSL_NO_MD5\n\t\t\tBIO_printf(bio_err,"md5 ");\n#ifndef OPENSSL_NO_HMAC\n\t\t\tBIO_printf(bio_err,"hmac ");\n#endif\n#endif\n#ifndef OPENSSL_NO_SHA1\n\t\t\tBIO_printf(bio_err,"sha1 ");\n#endif\n#ifndef OPENSSL_NO_RIPEMD160\n\t\t\tBIO_printf(bio_err,"rmd160");\n#endif\n#if !defined(OPENSSL_NO_MD2) || !defined(OPENSSL_NO_MDC2) || \\\n !defined(OPENSSL_NO_MD4) || !defined(OPENSSL_NO_MD5) || \\\n !defined(OPENSSL_NO_SHA1) || !defined(OPENSSL_NO_RIPEMD160)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n#ifndef OPENSSL_NO_IDEA\n\t\t\tBIO_printf(bio_err,"idea-cbc ");\n#endif\n#ifndef OPENSSL_NO_RC2\n\t\t\tBIO_printf(bio_err,"rc2-cbc ");\n#endif\n#ifndef OPENSSL_NO_RC5\n\t\t\tBIO_printf(bio_err,"rc5-cbc ");\n#endif\n#ifndef OPENSSL_NO_BF\n\t\t\tBIO_printf(bio_err,"bf-cbc");\n#endif\n#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_RC2) || \\\n !defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_RC5)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n#ifndef OPENSSL_NO_DES\n\t\t\tBIO_printf(bio_err,"des-cbc des-ede3 ");\n#endif\n#ifndef OPENSSL_NO_AES\n\t\t\tBIO_printf(bio_err,"aes-128-cbc aes-192-cbc aes-256-cbc ");\n#endif\n#ifndef OPENSSL_NO_RC4\n\t\t\tBIO_printf(bio_err,"rc4");\n#endif\n\t\t\tBIO_printf(bio_err,"\\n");\n#ifndef OPENSSL_NO_RSA\n\t\t\tBIO_printf(bio_err,"rsa512 rsa1024 rsa2048 rsa4096\\n");\n#endif\n#ifndef OPENSSL_NO_DSA\n\t\t\tBIO_printf(bio_err,"dsa512 dsa1024 dsa2048\\n");\n#endif\n#ifndef OPENSSL_NO_IDEA\n\t\t\tBIO_printf(bio_err,"idea ");\n#endif\n#ifndef OPENSSL_NO_RC2\n\t\t\tBIO_printf(bio_err,"rc2 ");\n#endif\n#ifndef OPENSSL_NO_DES\n\t\t\tBIO_printf(bio_err,"des ");\n#endif\n#ifndef OPENSSL_NO_AES\n\t\t\tBIO_printf(bio_err,"aes ");\n#endif\n#ifndef OPENSSL_NO_RSA\n\t\t\tBIO_printf(bio_err,"rsa ");\n#endif\n#ifndef OPENSSL_NO_BF\n\t\t\tBIO_printf(bio_err,"blowfish");\n#endif\n#if !defined(OPENSSL_NO_IDEA) || !defined(OPENSSL_NO_RC2) || \\\n !defined(OPENSSL_NO_DES) || !defined(OPENSSL_NO_RSA) || \\\n !defined(OPENSSL_NO_BF) || !defined(OPENSSL_NO_AES)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\tBIO_printf(bio_err,"Available options:\\n");\n#ifdef TIMES\n\t\t\tBIO_printf(bio_err,"-elapsed measure time in real time instead of CPU user time.\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\\n");\n\t\t\tBIO_printf(bio_err,"-evp e use EVP e.\\n");\n\t\t\tBIO_printf(bio_err,"-decrypt time decryption instead of encryption (only EVP).\\n");\n\t\t\tBIO_printf(bio_err,"-mr produce machine readable output.\\n");\n#ifdef HAVE_FORK\n\t\t\tBIO_printf(bio_err,"-multi n run n benchmarks in parallel.\\n");\n#endif\n\t\t\tgoto end;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\tj++;\n\t\t}\n#ifdef HAVE_FORK\n\tif(multi && do_multi(multi))\n\t\tgoto show_res;\n#endif\n\tif (j == 0)\n\t\t{\n\t\tfor (i=0; i<ALGOR_NUM; i++)\n\t\t\t{\n\t\t\tif (i != D_EVP)\n\t\t\t\tdoit[i]=1;\n\t\t\t}\n\t\tfor (i=0; i<RSA_NUM; i++)\n\t\t\trsa_doit[i]=1;\n\t\tfor (i=0; i<DSA_NUM; i++)\n\t\t\tdsa_doit[i]=1;\n\t\t}\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tif (doit[i]) pr_header++;\n\tif (usertime == 0 && !mr)\n\t\tBIO_printf(bio_err,"You have chosen to measure elapsed time instead of user CPU time.\\n");\n\tif (usertime <= 0 && !mr)\n\t\t{\n\t\tBIO_printf(bio_err,"To get the most accurate results, try to run this\\n");\n\t\tBIO_printf(bio_err,"program when this computer is idle.\\n");\n\t\t}\n#ifndef OPENSSL_NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\t{\n\t\tconst unsigned char *p;\n\t\tp=rsa_data[i];\n\t\trsa_key[i]=d2i_RSAPrivateKey(NULL,&p,rsa_data_length[i]);\n\t\tif (rsa_key[i] == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"internal error loading RSA key number %d\\n",i);\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,mr ? "+RK:%d:"\n\t\t\t\t : "Loaded RSA key, %d bit modulus and e= 0x",\n\t\t\t\t BN_num_bits(rsa_key[i]->n));\n\t\t\tBN_print(bio_err,rsa_key[i]->e);\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t}\n#endif\n\t\t}\n#endif\n#ifndef OPENSSL_NO_DSA\n\tdsa_key[0]=get_dsa512();\n\tdsa_key[1]=get_dsa1024();\n\tdsa_key[2]=get_dsa2048();\n#endif\n#ifndef OPENSSL_NO_DES\n\tDES_set_key_unchecked(&key,&sch);\n\tDES_set_key_unchecked(&key2,&sch2);\n\tDES_set_key_unchecked(&key3,&sch3);\n#endif\n#ifndef OPENSSL_NO_AES\n\tAES_set_encrypt_key(key16,128,&aes_ks1);\n\tAES_set_encrypt_key(key24,192,&aes_ks2);\n\tAES_set_encrypt_key(key32,256,&aes_ks3);\n#endif\n#ifndef OPENSSL_NO_IDEA\n\tidea_set_encrypt_key(key16,&idea_ks);\n#endif\n#ifndef OPENSSL_NO_RC4\n\tRC4_set_key(&rc4_ks,16,key16);\n#endif\n#ifndef OPENSSL_NO_RC2\n\tRC2_set_key(&rc2_ks,16,key16,128);\n#endif\n#ifndef OPENSSL_NO_RC5\n\tRC5_32_set_key(&rc5_ks,16,key16,12);\n#endif\n#ifndef OPENSSL_NO_BF\n\tBF_set_key(&bf_ks,16,key16);\n#endif\n#ifndef OPENSSL_NO_CAST\n\tCAST_set_key(&cast_ks,16,key16);\n#endif\n#ifndef OPENSSL_NO_RSA\n\tmemset(rsa_c,0,sizeof(rsa_c));\n#endif\n#ifndef SIGALRM\n#ifndef OPENSSL_NO_DES\n\tBIO_printf(bio_err,"First we calculate the approximate speed ...\\n");\n\tcount=10;\n\tdo\t{\n\t\tlong i;\n\t\tcount*=2;\n\t\tTime_F(START);\n\t\tfor (i=count; i; i--)\n\t\t\tDES_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,\n\t\t\t\t&sch,DES_ENCRYPT);\n\t\td=Time_F(STOP);\n\t\t} while (d <3);\n\tsave_count=count;\n\tc[D_MD2][0]=count/10;\n\tc[D_MDC2][0]=count/10;\n\tc[D_MD4][0]=count;\n\tc[D_MD5][0]=count;\n\tc[D_HMAC][0]=count;\n\tc[D_SHA1][0]=count;\n\tc[D_RMD160][0]=count;\n\tc[D_RC4][0]=count*5;\n\tc[D_CBC_DES][0]=count;\n\tc[D_EDE3_DES][0]=count/3;\n\tc[D_CBC_IDEA][0]=count;\n\tc[D_CBC_RC2][0]=count;\n\tc[D_CBC_RC5][0]=count;\n\tc[D_CBC_BF][0]=count;\n\tc[D_CBC_CAST][0]=count;\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tc[D_MD2][i]=c[D_MD2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MDC2][i]=c[D_MDC2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MD4][i]=c[D_MD4][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MD5][i]=c[D_MD5][0]*4*lengths[0]/lengths[i];\n\t\tc[D_HMAC][i]=c[D_HMAC][0]*4*lengths[0]/lengths[i];\n\t\tc[D_SHA1][i]=c[D_SHA1][0]*4*lengths[0]/lengths[i];\n\t\tc[D_RMD160][i]=c[D_RMD160][0]*4*lengths[0]/lengths[i];\n\t\t}\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tlong l0,l1;\n\t\tl0=(long)lengths[i-1];\n\t\tl1=(long)lengths[i];\n\t\tc[D_RC4][i]=c[D_RC4][i-1]*l0/l1;\n\t\tc[D_CBC_DES][i]=c[D_CBC_DES][i-1]*l0/l1;\n\t\tc[D_EDE3_DES][i]=c[D_EDE3_DES][i-1]*l0/l1;\n\t\tc[D_CBC_IDEA][i]=c[D_CBC_IDEA][i-1]*l0/l1;\n\t\tc[D_CBC_RC2][i]=c[D_CBC_RC2][i-1]*l0/l1;\n\t\tc[D_CBC_RC5][i]=c[D_CBC_RC5][i-1]*l0/l1;\n\t\tc[D_CBC_BF][i]=c[D_CBC_BF][i-1]*l0/l1;\n\t\tc[D_CBC_CAST][i]=c[D_CBC_CAST][i-1]*l0/l1;\n\t\t}\n#ifndef OPENSSL_NO_RSA\n\trsa_c[R_RSA_512][0]=count/2000;\n\trsa_c[R_RSA_512][1]=count/400;\n\tfor (i=1; i<RSA_NUM; i++)\n\t\t{\n\t\trsa_c[i][0]=rsa_c[i-1][0]/8;\n\t\trsa_c[i][1]=rsa_c[i-1][1]/4;\n\t\tif ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))\n\t\t\trsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (rsa_c[i][0] == 0)\n\t\t\t\t{\n\t\t\t\trsa_c[i][0]=1;\n\t\t\t\trsa_c[i][1]=20;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_DSA\n\tdsa_c[R_DSA_512][0]=count/1000;\n\tdsa_c[R_DSA_512][1]=count/1000/2;\n\tfor (i=1; i<DSA_NUM; i++)\n\t\t{\n\t\tdsa_c[i][0]=dsa_c[i-1][0]/4;\n\t\tdsa_c[i][1]=dsa_c[i-1][1]/4;\n\t\tif ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))\n\t\t\tdsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (dsa_c[i] == 0)\n\t\t\t\t{\n\t\t\t\tdsa_c[i][0]=1;\n\t\t\t\tdsa_c[i][1]=1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#endif\n#define COND(d)\t(count < (d))\n#define COUNT(d) (d)\n#else\n# error "You cannot disable DES on systems without SIGALRM."\n#endif\n#else\n#define COND(c)\t(run)\n#define COUNT(d) (count)\n\tsignal(SIGALRM,sig_done);\n#endif\n#ifndef OPENSSL_NO_MD2\n\tif (doit[D_MD2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD2],c[D_MD2][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_MD2][j]); count++)\n\t\t\t\tEVP_Digest(buf,(unsigned long)lengths[j],&(md2[0]),NULL,EVP_md2(),NULL);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_MD2,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_MDC2\n\tif (doit[D_MDC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MDC2],c[D_MDC2][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_MDC2][j]); count++)\n\t\t\t\tEVP_Digest(buf,(unsigned long)lengths[j],&(mdc2[0]),NULL,EVP_mdc2(),NULL);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_MDC2,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_MD4\n\tif (doit[D_MD4])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD4],c[D_MD4][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_MD4][j]); count++)\n\t\t\t\tEVP_Digest(&(buf[0]),(unsigned long)lengths[j],&(md4[0]),NULL,EVP_md4(),NULL);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_MD4,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_MD5\n\tif (doit[D_MD5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD5],c[D_MD5][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_MD5][j]); count++)\n\t\t\t\tEVP_Digest(&(buf[0]),(unsigned long)lengths[j],&(md5[0]),NULL,EVP_get_digestbyname("md5"),NULL);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_MD5,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_HMAC)\n\tif (doit[D_HMAC])\n\t\t{\n\t\tHMAC_CTX hctx;\n\t\tHMAC_CTX_init(&hctx);\n\t\tHMAC_Init_ex(&hctx,(unsigned char *)"This is a key...",\n\t\t\t16,EVP_md5());\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_HMAC][j]); count++)\n\t\t\t\t{\n\t\t\t\tHMAC_Init_ex(&hctx,NULL,0,NULL);\n HMAC_Update(&hctx,buf,lengths[j]);\n HMAC_Final(&hctx,&(hmac[0]),NULL);\n\t\t\t\t}\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_HMAC,j,count,d);\n\t\t\t}\n\t\tHMAC_CTX_cleanup(&hctx);\n\t\t}\n#endif\n#ifndef OPENSSL_NO_SHA\n\tif (doit[D_SHA1])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_SHA1][j]); count++)\n\t\t\t\tEVP_Digest(buf,(unsigned long)lengths[j],&(sha[0]),NULL,EVP_sha1(),NULL);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_SHA1,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_RIPEMD\n\tif (doit[D_RMD160])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RMD160],c[D_RMD160][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_RMD160][j]); count++)\n\t\t\t\tEVP_Digest(buf,(unsigned long)lengths[j],&(rmd160[0]),NULL,EVP_ripemd160(),NULL);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_RMD160,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_RC4\n\tif (doit[D_RC4])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RC4],c[D_RC4][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_RC4][j]); count++)\n\t\t\t\tRC4(&rc4_ks,(unsigned int)lengths[j],\n\t\t\t\t\tbuf,buf);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_RC4,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_DES\n\tif (doit[D_CBC_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_DES],c[D_CBC_DES][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_DES][j]); count++)\n\t\t\t\tDES_ncbc_encrypt(buf,buf,lengths[j],&sch,\n\t\t\t\t\t\t &DES_iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_DES,j,count,d);\n\t\t\t}\n\t\t}\n\tif (doit[D_EDE3_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_EDE3_DES],c[D_EDE3_DES][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)\n\t\t\t\tDES_ede3_cbc_encrypt(buf,buf,lengths[j],\n\t\t\t\t\t\t &sch,&sch2,&sch3,\n\t\t\t\t\t\t &DES_iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_EDE3_DES,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_AES\n\tif (doit[D_CBC_128_AES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_128_AES],c[D_CBC_128_AES][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_128_AES][j]); count++)\n\t\t\t\tAES_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&aes_ks1,\n\t\t\t\t\tiv,AES_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_128_AES,j,count,d);\n\t\t\t}\n\t\t}\n\tif (doit[D_CBC_192_AES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_192_AES],c[D_CBC_192_AES][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_192_AES][j]); count++)\n\t\t\t\tAES_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&aes_ks2,\n\t\t\t\t\tiv,AES_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_192_AES,j,count,d);\n\t\t\t}\n\t\t}\n\tif (doit[D_CBC_256_AES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_256_AES],c[D_CBC_256_AES][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_256_AES][j]); count++)\n\t\t\t\tAES_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&aes_ks3,\n\t\t\t\t\tiv,AES_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_256_AES,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_IDEA\n\tif (doit[D_CBC_IDEA])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_IDEA],c[D_CBC_IDEA][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_IDEA][j]); count++)\n\t\t\t\tidea_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&idea_ks,\n\t\t\t\t\tiv,IDEA_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_IDEA,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_RC2\n\tif (doit[D_CBC_RC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC2],c[D_CBC_RC2][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC2][j]); count++)\n\t\t\t\tRC2_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc2_ks,\n\t\t\t\t\tiv,RC2_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_RC2,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_RC5\n\tif (doit[D_CBC_RC5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC5],c[D_CBC_RC5][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC5][j]); count++)\n\t\t\t\tRC5_32_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc5_ks,\n\t\t\t\t\tiv,RC5_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_RC5,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_BF\n\tif (doit[D_CBC_BF])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_BF],c[D_CBC_BF][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_BF][j]); count++)\n\t\t\t\tBF_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&bf_ks,\n\t\t\t\t\tiv,BF_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_BF,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_CAST\n\tif (doit[D_CBC_CAST])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_CAST],c[D_CBC_CAST][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_CAST][j]); count++)\n\t\t\t\tCAST_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&cast_ks,\n\t\t\t\t\tiv,CAST_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tprint_result(D_CBC_CAST,j,count,d);\n\t\t\t}\n\t\t}\n#endif\n\tif (doit[D_EVP])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tif (evp_cipher)\n\t\t\t\t{\n\t\t\t\tEVP_CIPHER_CTX ctx;\n\t\t\t\tint outl;\n\t\t\t\tnames[D_EVP]=OBJ_nid2ln(evp_cipher->nid);\n\t\t\t\tprint_message(names[D_EVP],save_count,\n\t\t\t\t\tlengths[j]);\n\t\t\t\tEVP_CIPHER_CTX_init(&ctx);\n\t\t\t\tif(decrypt)\n\t\t\t\t\tEVP_DecryptInit_ex(&ctx,evp_cipher,NULL,key16,iv);\n\t\t\t\telse\n\t\t\t\t\tEVP_EncryptInit_ex(&ctx,evp_cipher,NULL,key16,iv);\n\t\t\t\tTime_F(START);\n\t\t\t\tif(decrypt)\n\t\t\t\t\tfor (count=0,run=1; COND(save_count*4*lengths[0]/lengths[j]); count++)\n\t\t\t\t\t\tEVP_DecryptUpdate(&ctx,buf,&outl,buf,lengths[j]);\n\t\t\t\telse\n\t\t\t\t\tfor (count=0,run=1; COND(save_count*4*lengths[0]/lengths[j]); count++)\n\t\t\t\t\t\tEVP_EncryptUpdate(&ctx,buf,&outl,buf,lengths[j]);\n\t\t\t\tif(decrypt)\n\t\t\t\t\tEVP_DecryptFinal_ex(&ctx,buf,&outl);\n\t\t\t\telse\n\t\t\t\t\tEVP_EncryptFinal_ex(&ctx,buf,&outl);\n\t\t\t\td=Time_F(STOP);\n\t\t\t\t}\n\t\t\tif (evp_md)\n\t\t\t\t{\n\t\t\t\tnames[D_EVP]=OBJ_nid2ln(evp_md->type);\n\t\t\t\tprint_message(names[D_EVP],save_count,\n\t\t\t\t\tlengths[j]);\n\t\t\t\tTime_F(START);\n\t\t\t\tfor (count=0,run=1; COND(save_count*4*lengths[0]/lengths[j]); count++)\n\t\t\t\t\tEVP_Digest(buf,lengths[j],&(md[0]),NULL,evp_md,NULL);\n\t\t\t\td=Time_F(STOP);\n\t\t\t\t}\n\t\t\tprint_result(D_EVP,j,count,d);\n\t\t\t}\n\t\t}\n\tRAND_pseudo_bytes(buf,36);\n#ifndef OPENSSL_NO_RSA\n\tfor (j=0; j<RSA_NUM; j++)\n\t\t{\n\t\tint ret;\n\t\tif (!rsa_doit[j]) continue;\n\t\tret=RSA_sign(NID_md5_sha1, buf,36, buf2, &rsa_num, rsa_key[j]);\n\t\tif (ret == 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"RSA sign failure. No RSA sign will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\trsa_count=1;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("private","rsa",\n\t\t\t\trsa_c[j][0],rsa_bits[j],\n\t\t\t\tRSA_SECONDS);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(rsa_c[j][0]); count++)\n\t\t\t\t{\n\t\t\t\tret=RSA_sign(NID_md5_sha1, buf,36, buf2,\n\t\t\t\t\t&rsa_num, rsa_key[j]);\n\t\t\t\tif (ret == 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"RSA sign failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,mr ? "+R1:%ld:%d:%.2f\\n"\n\t\t\t\t : "%ld %d bit private RSA\'s in %.2fs\\n",\n\t\t\t\t count,rsa_bits[j],d);\n\t\t\trsa_results[j][0]=d/(double)count;\n\t\t\trsa_count=count;\n\t\t\t}\n#if 1\n\t\tret=RSA_verify(NID_md5_sha1, buf,36, buf2, rsa_num, rsa_key[j]);\n\t\tif (ret <= 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"RSA verify failure. No RSA verify will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\trsa_doit[j] = 0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("public","rsa",\n\t\t\t\trsa_c[j][1],rsa_bits[j],\n\t\t\t\tRSA_SECONDS);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(rsa_c[j][1]); count++)\n\t\t\t\t{\n\t\t\t\tret=RSA_verify(NID_md5_sha1, buf,36, buf2,\n\t\t\t\t\trsa_num, rsa_key[j]);\n\t\t\t\tif (ret == 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"RSA verify failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,mr ? "+R2:%ld:%d:%.2f\\n"\n\t\t\t\t : "%ld %d bit public RSA\'s in %.2fs\\n",\n\t\t\t\t count,rsa_bits[j],d);\n\t\t\trsa_results[j][1]=d/(double)count;\n\t\t\t}\n#endif\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<RSA_NUM; j++)\n\t\t\t\trsa_doit[j]=0;\n\t\t\t}\n\t\t}\n#endif\n\tRAND_pseudo_bytes(buf,20);\n#ifndef OPENSSL_NO_DSA\n\tif (RAND_status() != 1)\n\t\t{\n\t\tRAND_seed(rnd_seed, sizeof rnd_seed);\n\t\trnd_fake = 1;\n\t\t}\n\tfor (j=0; j<DSA_NUM; j++)\n\t\t{\n\t\tunsigned int kk;\n\t\tint ret;\n\t\tif (!dsa_doit[j]) continue;\n\t\tret=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t&kk,dsa_key[j]);\n\t\tif (ret == 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"DSA sign failure. No DSA sign will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\trsa_count=1;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("sign","dsa",\n\t\t\t\tdsa_c[j][0],dsa_bits[j],\n\t\t\t\tDSA_SECONDS);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(dsa_c[j][0]); count++)\n\t\t\t\t{\n\t\t\t\tret=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\t\t&kk,dsa_key[j]);\n\t\t\t\tif (ret == 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"DSA sign failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,mr ? "+R3:%ld:%d:%.2f\\n"\n\t\t\t\t : "%ld %d bit DSA signs in %.2fs\\n",\n\t\t\t\t count,dsa_bits[j],d);\n\t\t\tdsa_results[j][0]=d/(double)count;\n\t\t\trsa_count=count;\n\t\t\t}\n\t\tret=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\tkk,dsa_key[j]);\n\t\tif (ret <= 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"DSA verify failure. No DSA verify will be done.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tdsa_doit[j] = 0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tpkey_print_message("verify","dsa",\n\t\t\t\tdsa_c[j][1],dsa_bits[j],\n\t\t\t\tDSA_SECONDS);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(dsa_c[j][1]); count++)\n\t\t\t\t{\n\t\t\t\tret=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\t\tkk,dsa_key[j]);\n\t\t\t\tif (ret <= 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"DSA verify failure\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tcount=1;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,mr ? "+R4:%ld:%d:%.2f\\n"\n\t\t\t\t : "%ld %d bit DSA verify in %.2fs\\n",\n\t\t\t\t count,dsa_bits[j],d);\n\t\t\tdsa_results[j][1]=d/(double)count;\n\t\t\t}\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<DSA_NUM; j++)\n\t\t\t\tdsa_doit[j]=0;\n\t\t\t}\n\t\t}\n\tif (rnd_fake) RAND_cleanup();\n#endif\n#ifdef HAVE_FORK\nshow_res:\n#endif\n\tif(!mr)\n\t\t{\n\t\tfprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_VERSION));\n fprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_BUILT_ON));\n\t\tprintf("options:");\n\t\tprintf("%s ",BN_options());\n#ifndef OPENSSL_NO_MD2\n\t\tprintf("%s ",MD2_options());\n#endif\n#ifndef OPENSSL_NO_RC4\n\t\tprintf("%s ",RC4_options());\n#endif\n#ifndef OPENSSL_NO_DES\n\t\tprintf("%s ",des_options());\n#endif\n#ifndef OPENSSL_NO_AES\n\t\tprintf("%s ",AES_options());\n#endif\n#ifndef OPENSSL_NO_IDEA\n\t\tprintf("%s ",idea_options());\n#endif\n#ifndef OPENSSL_NO_BF\n\t\tprintf("%s ",BF_options());\n#endif\n\t\tfprintf(stdout,"\\n%s\\n",SSLeay_version(SSLEAY_CFLAGS));\n\t\tprintf("available timing options: ");\n#ifdef TIMES\n\t\tprintf("TIMES ");\n#endif\n#ifdef TIMEB\n\t\tprintf("TIMEB ");\n#endif\n#ifdef USE_TOD\n\t\tprintf("USE_TOD ");\n#endif\n#ifdef HZ\n#define as_string(s) (#s)\n\t\tprintf("HZ=%g", HZ);\n# ifdef _SC_CLK_TCK\n\t\tprintf(" [sysconf value]");\n# endif\n#endif\n\t\tprintf("\\n");\n\t\tprintf("timing function used: %s%s%s%s%s%s%s\\n",\n\t\t (ftime_used ? "ftime" : ""),\n\t\t (ftime_used + times_used > 1 ? "," : ""),\n\t\t (times_used ? "times" : ""),\n\t\t (ftime_used + times_used + gettimeofday_used > 1 ? "," : ""),\n\t\t (gettimeofday_used ? "gettimeofday" : ""),\n\t\t (ftime_used + times_used + gettimeofday_used + getrusage_used > 1 ? "," : ""),\n\t\t (getrusage_used ? "getrusage" : ""));\n\t\t}\n\tif (pr_header)\n\t\t{\n\t\tif(mr)\n\t\t\tfprintf(stdout,"+H");\n\t\telse\n\t\t\t{\n\t\t\tfprintf(stdout,"The \'numbers\' are in 1000s of bytes per second processed.\\n");\n\t\t\tfprintf(stdout,"type ");\n\t\t\t}\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\tfprintf(stdout,mr ? ":%d" : "%7d bytes",lengths[j]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n\tfor (k=0; k<ALGOR_NUM; k++)\n\t\t{\n\t\tif (!doit[k]) continue;\n\t\tif(mr)\n\t\t\tfprintf(stdout,"+F:%d:%s",k,names[k]);\n\t\telse\n\t\t\tfprintf(stdout,"%-13s",names[k]);\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tif (results[k][j] > 10000 && !mr)\n\t\t\t\tfprintf(stdout," %11.2fk",results[k][j]/1e3);\n\t\t\telse\n\t\t\t\tfprintf(stdout,mr ? ":%.2f" : " %11.2f ",results[k][j]);\n\t\t\t}\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#ifndef OPENSSL_NO_RSA\n\tj=1;\n\tfor (k=0; k<RSA_NUM; k++)\n\t\t{\n\t\tif (!rsa_doit[k]) continue;\n\t\tif (j && !mr)\n\t\t\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tif(mr)\n\t\t\tfprintf(stdout,"+F2:%u:%u:%f:%f\\n",\n\t\t\t\tk,rsa_bits[k],rsa_results[k][0],\n\t\t\t\trsa_results[k][1]);\n\t\telse\n\t\t\tfprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f\\n",\n\t\t\t\trsa_bits[k],rsa_results[k][0],rsa_results[k][1],\n\t\t\t\t1.0/rsa_results[k][0],1.0/rsa_results[k][1]);\n\t\t}\n#endif\n#ifndef OPENSSL_NO_DSA\n\tj=1;\n\tfor (k=0; k<DSA_NUM; k++)\n\t\t{\n\t\tif (!dsa_doit[k]) continue;\n\t\tif (j && !mr)\n\t\t\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tif(mr)\n\t\t\tfprintf(stdout,"+F3:%u:%u:%f:%f\\n",\n\t\t\t\tk,dsa_bits[k],dsa_results[k][0],dsa_results[k][1]);\n\t\telse\n\t\t\tfprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f\\n",\n\t\t\t\tdsa_bits[k],dsa_results[k][0],dsa_results[k][1],\n\t\t\t\t1.0/dsa_results[k][0],1.0/dsa_results[k][1]);\n\t\t}\n#endif\n\tmret=0;\nend:\n\tERR_print_errors(bio_err);\n\tif (buf != NULL) OPENSSL_free(buf);\n\tif (buf2 != NULL) OPENSSL_free(buf2);\n#ifndef OPENSSL_NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\tif (rsa_key[i] != NULL)\n\t\t\tRSA_free(rsa_key[i]);\n#endif\n#ifndef OPENSSL_NO_DSA\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tif (dsa_key[i] != NULL)\n\t\t\tDSA_free(dsa_key[i]);\n#endif\n\tapps_shutdown();\n\tEXIT(mret);\n\t}'] |
8,108 | 0 | https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavcodec/mpegaudiodec.c/#L904 | void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
OUT_INT *samples, int incr,
int32_t sb_samples[SBLIMIT])
{
int32_t tmp[32];
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset, v;
OUT_INT *samples2;
#if FRAC_BITS <= 15
int sum, sum2;
#else
int64_t sum, sum2;
#endif
dct32(tmp, sb_samples);
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
for(j=0;j<32;j++) {
v = tmp[j];
#if FRAC_BITS <= 15
v = av_clip_int16(v);
#endif
synth_buf[j] = v;
}
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(MACS, sum, w, p);
p = synth_buf + 48;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | ['static void mpc_synth(MPCContext *c, int16_t *out)\n{\n int dither_state = 0;\n int i, ch;\n OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;\n for(ch = 0; ch < 2; ch++){\n samples_ptr = samples + ch;\n for(i = 0; i < SAMPLES_PER_BAND; i++) {\n ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),\n mpa_window, &dither_state,\n samples_ptr, 2,\n c->sb_samples[ch][i]);\n samples_ptr += 64;\n }\n }\n for(i = 0; i < MPC_FRAME_SIZE*2; i++)\n *out++=samples[i];\n}', 'void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,\n MPA_INT *window, int *dither_state,\n OUT_INT *samples, int incr,\n int32_t sb_samples[SBLIMIT])\n{\n int32_t tmp[32];\n register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset, v;\n OUT_INT *samples2;\n#if FRAC_BITS <= 15\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n dct32(tmp, sb_samples);\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n for(j=0;j<32;j++) {\n v = tmp[j];\n#if FRAC_BITS <= 15\n v = av_clip_int16(v);\n#endif\n synth_buf[j] = v;\n }\n memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));\n samples2 = samples + 31 * incr;\n w = window;\n w2 = window + 31;\n sum = *dither_state;\n p = synth_buf + 16;\n SUM8(MACS, sum, w, p);\n p = synth_buf + 48;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n w++;\n for(j=1;j<16;j++) {\n sum2 = 0;\n p = synth_buf + 16 + j;\n SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);\n p = synth_buf + 48 - j;\n SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n sum += sum2;\n *samples2 = round_sample(&sum);\n samples2 -= incr;\n w++;\n w2--;\n }\n p = synth_buf + 32;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n *dither_state= sum;\n offset = (offset - 32) & 511;\n *synth_buf_offset = offset;\n}'] |
8,109 | 0 | https://github.com/libav/libav/blob/48238fd00b22518158999a0aac5d620bc31dc8d7/libavresample/audio_mix.c/#L404 | void ff_audio_mix_free(AudioMix **am_p)
{
AudioMix *am;
if (!*am_p)
return;
am = *am_p;
if (am->matrix) {
av_free(am->matrix[0]);
am->matrix = NULL;
}
memset(am->matrix_q8, 0, sizeof(am->matrix_q8 ));
memset(am->matrix_q15, 0, sizeof(am->matrix_q15));
memset(am->matrix_flt, 0, sizeof(am->matrix_flt));
av_freep(am_p);
} | ['void ff_audio_mix_free(AudioMix **am_p)\n{\n AudioMix *am;\n if (!*am_p)\n return;\n am = *am_p;\n if (am->matrix) {\n av_free(am->matrix[0]);\n am->matrix = NULL;\n }\n memset(am->matrix_q8, 0, sizeof(am->matrix_q8 ));\n memset(am->matrix_q15, 0, sizeof(am->matrix_q15));\n memset(am->matrix_flt, 0, sizeof(am->matrix_flt));\n av_freep(am_p);\n}'] |
8,110 | 0 | https://github.com/openssl/openssl/blob/3ba25ee86a3758cc659c954b59718d8397030768/crypto/bio/bss_file.c/#L112 | BIO *BIO_new_file(const char *filename, const char *mode)
{
BIO *ret;
FILE *file;
if ((file=fopen(filename,mode)) == NULL)
{
SYSerr(SYS_F_FOPEN,get_last_sys_error());
ERR_add_error_data(5,"fopen('",filename,"','",mode,"')");
BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);
return(NULL);
}
if ((ret=BIO_new(BIO_s_file_internal())) == NULL)
return(NULL);
BIO_set_fp(ret,file,BIO_CLOSE);
return(ret);
} | ['BIO *BIO_new_file(const char *filename, const char *mode)\n\t{\n\tBIO *ret;\n\tFILE *file;\n\tif ((file=fopen(filename,mode)) == NULL)\n\t\t{\n\t\tSYSerr(SYS_F_FOPEN,get_last_sys_error());\n\t\tERR_add_error_data(5,"fopen(\'",filename,"\',\'",mode,"\')");\n\t\tBIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB);\n\t\treturn(NULL);\n\t\t}\n\tif ((ret=BIO_new(BIO_s_file_internal())) == NULL)\n\t\treturn(NULL);\n\tBIO_set_fp(ret,file,BIO_CLOSE);\n\treturn(ret);\n\t}', 'BIO_METHOD *BIO_s_file(void)\n\t{\n\treturn(&methods_filep);\n\t}', 'BIO *BIO_new(BIO_METHOD *method)\n\t{\n\tBIO *ret=NULL;\n\tret=(BIO *)OPENSSL_malloc(sizeof(BIO));\n\tif (ret == NULL)\n\t\t{\n\t\tBIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tif (!BIO_set(ret,method))\n\t\t{\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_func(num);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n\treturn ret;\n\t}', 'int BIO_set(BIO *bio, BIO_METHOD *method)\n\t{\n\tbio->method=method;\n\tbio->callback=NULL;\n\tbio->cb_arg=NULL;\n\tbio->init=0;\n\tbio->shutdown=1;\n\tbio->flags=0;\n\tbio->retry_reason=0;\n\tbio->num=0;\n\tbio->ptr=NULL;\n\tbio->prev_bio=NULL;\n\tbio->next_bio=NULL;\n\tbio->references=1;\n\tbio->num_read=0L;\n\tbio->num_write=0L;\n\tCRYPTO_new_ex_data(bio_meth,bio,&bio->ex_data);\n\tif (method->create != NULL)\n\t\tif (!method->create(bio))\n\t\t\treturn(0);\n\treturn(1);\n\t}', 'long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)\n\t{\n\tlong ret;\n\tlong (*cb)();\n\tif (b == NULL) return(0);\n\tif ((b->method == NULL) || (b->method->ctrl == NULL))\n\t\t{\n\t\tBIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD);\n\t\treturn(-2);\n\t\t}\n\tcb=b->callback;\n\tif ((cb != NULL) &&\n\t\t((ret=cb(b,BIO_CB_CTRL,parg,cmd,larg,1L)) <= 0))\n\t\treturn(ret);\n\tret=b->method->ctrl(b,cmd,larg,parg);\n\tif (cb != NULL)\n\t\tret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,parg,cmd,\n\t\t\tlarg,ret);\n\treturn(ret);\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}'] |
8,111 | 0 | https://github.com/libav/libav/blob/b9630bcf8215034f5a50e1f6835d4c4366413618/avconv.c/#L1810 | static void print_sdp(OutputFile *output_files, int n)
{
char sdp[2048];
int i;
AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
if (!avc)
exit_program(1);
for (i = 0; i < n; i++)
avc[i] = output_files[i].ctx;
av_sdp_create(avc, n, sdp, sizeof(sdp));
printf("SDP:\n%s\n", sdp);
fflush(stdout);
av_freep(&avc);
} | ['static void print_sdp(OutputFile *output_files, int n)\n{\n char sdp[2048];\n int i;\n AVFormatContext **avc = av_malloc(sizeof(*avc)*n);\n if (!avc)\n exit_program(1);\n for (i = 0; i < n; i++)\n avc[i] = output_files[i].ctx;\n av_sdp_create(avc, n, sdp, sizeof(sdp));\n printf("SDP:\\n%s\\n", sdp);\n fflush(stdout);\n av_freep(&avc);\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-32) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+32);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&31) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,32,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(32,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
8,112 | 0 | https://github.com/openssl/openssl/blob/d4b009d5f88875ac0e3ac0b2b9689ed16a4c88dc/crypto/lhash/lhash.c/#L209 | void *lh_delete(_LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | ['int ssl3_read_bytes(SSL *s, int type, int *recvd_type, unsigned char *buf,\n int len, int peek)\n{\n int al, i, j, ret;\n unsigned int n;\n SSL3_RECORD *rr;\n void (*cb) (const SSL *ssl, int type2, int val) = NULL;\n if (!SSL3_BUFFER_is_initialised(&s->rlayer.rbuf)) {\n if (!ssl3_setup_read_buffer(s))\n return (-1);\n }\n if ((type && (type != SSL3_RT_APPLICATION_DATA)\n && (type != SSL3_RT_HANDSHAKE)) || (peek\n && (type !=\n SSL3_RT_APPLICATION_DATA))) {\n SSLerr(SSL_F_SSL3_READ_BYTES, ERR_R_INTERNAL_ERROR);\n return -1;\n }\n if ((type == SSL3_RT_HANDSHAKE) && (s->rlayer.handshake_fragment_len > 0))\n {\n unsigned char *src = s->rlayer.handshake_fragment;\n unsigned char *dst = buf;\n unsigned int k;\n n = 0;\n while ((len > 0) && (s->rlayer.handshake_fragment_len > 0)) {\n *dst++ = *src++;\n len--;\n s->rlayer.handshake_fragment_len--;\n n++;\n }\n for (k = 0; k < s->rlayer.handshake_fragment_len; k++)\n s->rlayer.handshake_fragment[k] = *src++;\n if (recvd_type != NULL)\n *recvd_type = SSL3_RT_HANDSHAKE;\n return n;\n }\n if (!ossl_statem_get_in_handshake(s) && SSL_in_init(s)) {\n i = s->handshake_func(s);\n if (i < 0)\n return (i);\n if (i == 0) {\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_SSL_HANDSHAKE_FAILURE);\n return (-1);\n }\n }\n start:\n s->rwstate = SSL_NOTHING;\n rr = &s->rlayer.rrec;\n if ((SSL3_RECORD_get_length(rr) == 0)\n || (s->rlayer.rstate == SSL_ST_READ_BODY)) {\n ret = ssl3_get_record(s);\n if (ret <= 0)\n return (ret);\n }\n if (s->s3->change_cipher_spec\n && (SSL3_RECORD_get_type(rr) != SSL3_RT_HANDSHAKE)) {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_DATA_BETWEEN_CCS_AND_FINISHED);\n goto f_err;\n }\n if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {\n SSL3_RECORD_set_length(rr, 0);\n s->rwstate = SSL_NOTHING;\n return (0);\n }\n if (type == SSL3_RECORD_get_type(rr)\n || (SSL3_RECORD_get_type(rr) == SSL3_RT_CHANGE_CIPHER_SPEC\n && type == SSL3_RT_HANDSHAKE && recvd_type != NULL)) {\n if (SSL_in_init(s) && (type == SSL3_RT_APPLICATION_DATA) &&\n (s->enc_read_ctx == NULL)) {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_APP_DATA_IN_HANDSHAKE);\n goto f_err;\n }\n if (type == SSL3_RT_HANDSHAKE\n && SSL3_RECORD_get_type(rr) == SSL3_RT_CHANGE_CIPHER_SPEC\n && s->rlayer.handshake_fragment_len > 0) {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_CCS_RECEIVED_EARLY);\n goto f_err;\n }\n if (recvd_type != NULL)\n *recvd_type = SSL3_RECORD_get_type(rr);\n if (len <= 0)\n return (len);\n if ((unsigned int)len > SSL3_RECORD_get_length(rr))\n n = SSL3_RECORD_get_length(rr);\n else\n n = (unsigned int)len;\n memcpy(buf, &(rr->data[rr->off]), n);\n if (!peek) {\n SSL3_RECORD_add_length(rr, -n);\n SSL3_RECORD_add_off(rr, n);\n if (SSL3_RECORD_get_length(rr) == 0) {\n s->rlayer.rstate = SSL_ST_READ_HEADER;\n SSL3_RECORD_set_off(rr, 0);\n if (s->mode & SSL_MODE_RELEASE_BUFFERS\n && SSL3_BUFFER_get_left(&s->rlayer.rbuf) == 0)\n ssl3_release_read_buffer(s);\n }\n }\n return (n);\n }\n if (rr->type == SSL3_RT_HANDSHAKE && type == SSL3_RT_CHANGE_CIPHER_SPEC) {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_UNEXPECTED_MESSAGE);\n goto f_err;\n }\n if (rr->rec_version == SSL2_VERSION) {\n al = SSL_AD_INTERNAL_ERROR;\n SSLerr(SSL_F_SSL3_READ_BYTES, ERR_R_INTERNAL_ERROR);\n goto f_err;\n }\n if(s->method->version == TLS_ANY_VERSION\n && (s->server || rr->type != SSL3_RT_ALERT)) {\n s->version = rr->rec_version;\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_UNEXPECTED_MESSAGE);\n goto f_err;\n }\n {\n unsigned int dest_maxlen = 0;\n unsigned char *dest = NULL;\n unsigned int *dest_len = NULL;\n if (SSL3_RECORD_get_type(rr) == SSL3_RT_HANDSHAKE) {\n dest_maxlen = sizeof s->rlayer.handshake_fragment;\n dest = s->rlayer.handshake_fragment;\n dest_len = &s->rlayer.handshake_fragment_len;\n } else if (SSL3_RECORD_get_type(rr) == SSL3_RT_ALERT) {\n dest_maxlen = sizeof s->rlayer.alert_fragment;\n dest = s->rlayer.alert_fragment;\n dest_len = &s->rlayer.alert_fragment_len;\n }\n#ifndef OPENSSL_NO_HEARTBEATS\n else if (SSL3_RECORD_get_type(rr)== TLS1_RT_HEARTBEAT) {\n if (tls1_process_heartbeat(s, SSL3_RECORD_get_data(rr),\n SSL3_RECORD_get_length(rr)) < 0) {\n return -1;\n }\n SSL3_RECORD_set_length(rr, 0);\n s->rwstate = SSL_READING;\n BIO_clear_retry_flags(SSL_get_rbio(s));\n BIO_set_retry_read(SSL_get_rbio(s));\n return (-1);\n }\n#endif\n if (dest_maxlen > 0) {\n n = dest_maxlen - *dest_len;\n if (SSL3_RECORD_get_length(rr) < n)\n n = SSL3_RECORD_get_length(rr);\n while (n-- > 0) {\n dest[(*dest_len)++] =\n SSL3_RECORD_get_data(rr)[SSL3_RECORD_get_off(rr)];\n SSL3_RECORD_add_off(rr, 1);\n SSL3_RECORD_add_length(rr, -1);\n }\n if (*dest_len < dest_maxlen)\n goto start;\n }\n }\n if ((!s->server) &&\n (s->rlayer.handshake_fragment_len >= 4) &&\n (s->rlayer.handshake_fragment[0] == SSL3_MT_HELLO_REQUEST) &&\n (s->session != NULL) && (s->session->cipher != NULL)) {\n s->rlayer.handshake_fragment_len = 0;\n if ((s->rlayer.handshake_fragment[1] != 0) ||\n (s->rlayer.handshake_fragment[2] != 0) ||\n (s->rlayer.handshake_fragment[3] != 0)) {\n al = SSL_AD_DECODE_ERROR;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_BAD_HELLO_REQUEST);\n goto f_err;\n }\n if (s->msg_callback)\n s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,\n s->rlayer.handshake_fragment, 4, s,\n s->msg_callback_arg);\n if (SSL_is_init_finished(s) &&\n !(s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS) &&\n !s->s3->renegotiate) {\n ssl3_renegotiate(s);\n if (ssl3_renegotiate_check(s)) {\n i = s->handshake_func(s);\n if (i < 0)\n return (i);\n if (i == 0) {\n SSLerr(SSL_F_SSL3_READ_BYTES,\n SSL_R_SSL_HANDSHAKE_FAILURE);\n return (-1);\n }\n if (!(s->mode & SSL_MODE_AUTO_RETRY)) {\n if (SSL3_BUFFER_get_left(&s->rlayer.rbuf) == 0) {\n BIO *bio;\n s->rwstate = SSL_READING;\n bio = SSL_get_rbio(s);\n BIO_clear_retry_flags(bio);\n BIO_set_retry_read(bio);\n return (-1);\n }\n }\n }\n }\n goto start;\n }\n if (s->server &&\n SSL_is_init_finished(s) &&\n !s->s3->send_connection_binding &&\n (s->version > SSL3_VERSION) &&\n (s->rlayer.handshake_fragment_len >= 4) &&\n (s->rlayer.handshake_fragment[0] == SSL3_MT_CLIENT_HELLO) &&\n (s->session != NULL) && (s->session->cipher != NULL) &&\n !(s->ctx->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)) {\n SSL3_RECORD_set_length(rr, 0);\n ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_NO_RENEGOTIATION);\n goto start;\n }\n if (s->rlayer.alert_fragment_len >= 2) {\n int alert_level = s->rlayer.alert_fragment[0];\n int alert_descr = s->rlayer.alert_fragment[1];\n s->rlayer.alert_fragment_len = 0;\n if (s->msg_callback)\n s->msg_callback(0, s->version, SSL3_RT_ALERT,\n s->rlayer.alert_fragment, 2, s,\n s->msg_callback_arg);\n if (s->info_callback != NULL)\n cb = s->info_callback;\n else if (s->ctx->info_callback != NULL)\n cb = s->ctx->info_callback;\n if (cb != NULL) {\n j = (alert_level << 8) | alert_descr;\n cb(s, SSL_CB_READ_ALERT, j);\n }\n if (alert_level == SSL3_AL_WARNING) {\n s->s3->warn_alert = alert_descr;\n if (alert_descr == SSL_AD_CLOSE_NOTIFY) {\n s->shutdown |= SSL_RECEIVED_SHUTDOWN;\n return (0);\n }\n else if (alert_descr == SSL_AD_NO_RENEGOTIATION) {\n al = SSL_AD_HANDSHAKE_FAILURE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_NO_RENEGOTIATION);\n goto f_err;\n }\n#ifdef SSL_AD_MISSING_SRP_USERNAME\n else if (alert_descr == SSL_AD_MISSING_SRP_USERNAME)\n return (0);\n#endif\n } else if (alert_level == SSL3_AL_FATAL) {\n char tmp[16];\n s->rwstate = SSL_NOTHING;\n s->s3->fatal_alert = alert_descr;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_AD_REASON_OFFSET + alert_descr);\n BIO_snprintf(tmp, sizeof tmp, "%d", alert_descr);\n ERR_add_error_data(2, "SSL alert number ", tmp);\n s->shutdown |= SSL_RECEIVED_SHUTDOWN;\n SSL_CTX_remove_session(s->ctx, s->session);\n return (0);\n } else {\n al = SSL_AD_ILLEGAL_PARAMETER;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_UNKNOWN_ALERT_TYPE);\n goto f_err;\n }\n goto start;\n }\n if (s->shutdown & SSL_SENT_SHUTDOWN) {\n s->rwstate = SSL_NOTHING;\n SSL3_RECORD_set_length(rr, 0);\n return (0);\n }\n if (SSL3_RECORD_get_type(rr) == SSL3_RT_CHANGE_CIPHER_SPEC) {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_CCS_RECEIVED_EARLY);\n goto f_err;\n }\n if ((s->rlayer.handshake_fragment_len >= 4)\n && !ossl_statem_get_in_handshake(s)) {\n if (SSL_is_init_finished(s) &&\n !(s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)) {\n ossl_statem_set_in_init(s, 1);\n s->renegotiate = 1;\n s->new_session = 1;\n }\n i = s->handshake_func(s);\n if (i < 0)\n return (i);\n if (i == 0) {\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_SSL_HANDSHAKE_FAILURE);\n return (-1);\n }\n if (!(s->mode & SSL_MODE_AUTO_RETRY)) {\n if (SSL3_BUFFER_get_left(&s->rlayer.rbuf) == 0) {\n BIO *bio;\n s->rwstate = SSL_READING;\n bio = SSL_get_rbio(s);\n BIO_clear_retry_flags(bio);\n BIO_set_retry_read(bio);\n return (-1);\n }\n }\n goto start;\n }\n switch (SSL3_RECORD_get_type(rr)) {\n default:\n if (s->version >= TLS1_VERSION && s->version <= TLS1_1_VERSION) {\n SSL3_RECORD_set_length(rr, 0);\n goto start;\n }\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_UNEXPECTED_RECORD);\n goto f_err;\n case SSL3_RT_CHANGE_CIPHER_SPEC:\n case SSL3_RT_ALERT:\n case SSL3_RT_HANDSHAKE:\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, ERR_R_INTERNAL_ERROR);\n goto f_err;\n case SSL3_RT_APPLICATION_DATA:\n if (ossl_statem_app_data_allowed(s)) {\n s->s3->in_read_app_data = 2;\n return (-1);\n } else {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_UNEXPECTED_RECORD);\n goto f_err;\n }\n }\n f_err:\n ssl3_send_alert(s, SSL3_AL_FATAL, al);\n return (-1);\n}', 'int ssl3_get_record(SSL *s)\n{\n int ssl_major, ssl_minor, al;\n int enc_err, n, i, ret = -1;\n SSL3_RECORD *rr;\n SSL_SESSION *sess;\n unsigned char *p;\n unsigned char md[EVP_MAX_MD_SIZE];\n short version;\n unsigned mac_size;\n unsigned empty_record_count = 0;\n rr = RECORD_LAYER_get_rrec(&s->rlayer);\n sess = s->session;\n again:\n if ((RECORD_LAYER_get_rstate(&s->rlayer) != SSL_ST_READ_BODY) ||\n (RECORD_LAYER_get_packet_length(&s->rlayer) < SSL3_RT_HEADER_LENGTH)) {\n n = ssl3_read_n(s, SSL3_RT_HEADER_LENGTH,\n SSL3_BUFFER_get_len(&s->rlayer.rbuf), 0);\n if (n <= 0)\n return (n);\n RECORD_LAYER_set_rstate(&s->rlayer, SSL_ST_READ_BODY);\n p = RECORD_LAYER_get_packet(&s->rlayer);\n if (s->first_packet && s->server && !s->read_hash && !s->enc_read_ctx\n && (p[0] & 0x80) && (p[2] == SSL2_MT_CLIENT_HELLO)) {\n rr->type = SSL3_RT_HANDSHAKE;\n rr->rec_version = SSL2_VERSION;\n rr->length = ((p[0] & 0x7f) << 8) | p[1];\n if (rr->length > SSL3_BUFFER_get_len(&s->rlayer.rbuf)\n - SSL2_RT_HEADER_LENGTH) {\n al = SSL_AD_RECORD_OVERFLOW;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_PACKET_LENGTH_TOO_LONG);\n goto f_err;\n }\n if (rr->length < MIN_SSL2_RECORD_LEN) {\n al = SSL_AD_HANDSHAKE_FAILURE;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_LENGTH_TOO_SHORT);\n goto f_err;\n }\n } else {\n if (s->msg_callback)\n s->msg_callback(0, 0, SSL3_RT_HEADER, p, 5, s,\n s->msg_callback_arg);\n rr->type = *(p++);\n ssl_major = *(p++);\n ssl_minor = *(p++);\n version = (ssl_major << 8) | ssl_minor;\n rr->rec_version = version;\n n2s(p, rr->length);\n if (!s->first_packet && version != s->version) {\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_WRONG_VERSION_NUMBER);\n if ((s->version & 0xFF00) == (version & 0xFF00)\n && !s->enc_write_ctx && !s->write_hash) {\n if (rr->type == SSL3_RT_ALERT) {\n goto err;\n }\n s->version = (unsigned short)version;\n }\n al = SSL_AD_PROTOCOL_VERSION;\n goto f_err;\n }\n if ((version >> 8) != SSL3_VERSION_MAJOR) {\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_WRONG_VERSION_NUMBER);\n goto err;\n }\n if (rr->length >\n SSL3_BUFFER_get_len(&s->rlayer.rbuf)\n - SSL3_RT_HEADER_LENGTH) {\n al = SSL_AD_RECORD_OVERFLOW;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_PACKET_LENGTH_TOO_LONG);\n goto f_err;\n }\n }\n }\n if (rr->rec_version == SSL2_VERSION) {\n i = rr->length + SSL2_RT_HEADER_LENGTH - SSL3_RT_HEADER_LENGTH;\n } else {\n i = rr->length;\n }\n if (i > 0) {\n n = ssl3_read_n(s, i, i, 1);\n if (n <= 0)\n return (n);\n }\n RECORD_LAYER_set_rstate(&s->rlayer, SSL_ST_READ_HEADER);\n if(rr->rec_version == SSL2_VERSION) {\n rr->input = &(RECORD_LAYER_get_packet(&s->rlayer)[SSL2_RT_HEADER_LENGTH]);\n } else {\n rr->input = &(RECORD_LAYER_get_packet(&s->rlayer)[SSL3_RT_HEADER_LENGTH]);\n }\n if (rr->length > SSL3_RT_MAX_ENCRYPTED_LENGTH) {\n al = SSL_AD_RECORD_OVERFLOW;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_ENCRYPTED_LENGTH_TOO_LONG);\n goto f_err;\n }\n rr->data = rr->input;\n rr->orig_len = rr->length;\n if (SSL_USE_ETM(s) && s->read_hash) {\n unsigned char *mac;\n mac_size = EVP_MD_CTX_size(s->read_hash);\n OPENSSL_assert(mac_size <= EVP_MAX_MD_SIZE);\n if (rr->length < mac_size) {\n al = SSL_AD_DECODE_ERROR;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_LENGTH_TOO_SHORT);\n goto f_err;\n }\n rr->length -= mac_size;\n mac = rr->data + rr->length;\n i = s->method->ssl3_enc->mac(s, md, 0 );\n if (i < 0 || CRYPTO_memcmp(md, mac, (size_t)mac_size) != 0) {\n al = SSL_AD_BAD_RECORD_MAC;\n SSLerr(SSL_F_SSL3_GET_RECORD,\n SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);\n goto f_err;\n }\n }\n enc_err = s->method->ssl3_enc->enc(s, 0);\n if (enc_err == 0) {\n al = SSL_AD_DECRYPTION_FAILED;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);\n goto f_err;\n }\n#ifdef TLS_DEBUG\n printf("dec %d\\n", rr->length);\n {\n unsigned int z;\n for (z = 0; z < rr->length; z++)\n printf("%02X%c", rr->data[z], ((z + 1) % 16) ? \' \' : \'\\n\');\n }\n printf("\\n");\n#endif\n if ((sess != NULL) &&\n (s->enc_read_ctx != NULL) &&\n (EVP_MD_CTX_md(s->read_hash) != NULL) && !SSL_USE_ETM(s)) {\n unsigned char *mac = NULL;\n unsigned char mac_tmp[EVP_MAX_MD_SIZE];\n mac_size = EVP_MD_CTX_size(s->read_hash);\n OPENSSL_assert(mac_size <= EVP_MAX_MD_SIZE);\n if (rr->orig_len < mac_size ||\n (EVP_CIPHER_CTX_mode(s->enc_read_ctx) == EVP_CIPH_CBC_MODE &&\n rr->orig_len < mac_size + 1)) {\n al = SSL_AD_DECODE_ERROR;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_LENGTH_TOO_SHORT);\n goto f_err;\n }\n if (EVP_CIPHER_CTX_mode(s->enc_read_ctx) == EVP_CIPH_CBC_MODE) {\n mac = mac_tmp;\n ssl3_cbc_copy_mac(mac_tmp, rr, mac_size);\n rr->length -= mac_size;\n } else {\n rr->length -= mac_size;\n mac = &rr->data[rr->length];\n }\n i = s->method->ssl3_enc->mac(s, md, 0 );\n if (i < 0 || mac == NULL\n || CRYPTO_memcmp(md, mac, (size_t)mac_size) != 0)\n enc_err = -1;\n if (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH + mac_size)\n enc_err = -1;\n }\n if (enc_err < 0) {\n al = SSL_AD_BAD_RECORD_MAC;\n SSLerr(SSL_F_SSL3_GET_RECORD,\n SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);\n goto f_err;\n }\n if (s->expand != NULL) {\n if (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH) {\n al = SSL_AD_RECORD_OVERFLOW;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_COMPRESSED_LENGTH_TOO_LONG);\n goto f_err;\n }\n if (!ssl3_do_uncompress(s)) {\n al = SSL_AD_DECOMPRESSION_FAILURE;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_BAD_DECOMPRESSION);\n goto f_err;\n }\n }\n if (rr->length > SSL3_RT_MAX_PLAIN_LENGTH) {\n al = SSL_AD_RECORD_OVERFLOW;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_DATA_LENGTH_TOO_LONG);\n goto f_err;\n }\n rr->off = 0;\n RECORD_LAYER_reset_packet_length(&s->rlayer);\n if (rr->length == 0) {\n empty_record_count++;\n if (empty_record_count > MAX_EMPTY_RECORDS) {\n al = SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_RECORD_TOO_SMALL);\n goto f_err;\n }\n goto again;\n }\n return (1);\n f_err:\n ssl3_send_alert(s, SSL3_AL_FATAL, al);\n err:\n return (ret);\n}', 'int ssl3_send_alert(SSL *s, int level, int desc)\n{\n desc = s->method->ssl3_enc->alert_value(desc);\n if (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)\n desc = SSL_AD_HANDSHAKE_FAILURE;\n if (desc < 0)\n return -1;\n if ((level == SSL3_AL_FATAL) && (s->session != NULL))\n SSL_CTX_remove_session(s->ctx, s->session);\n s->s3->alert_dispatch = 1;\n s->s3->send_alert[0] = level;\n s->s3->send_alert[1] = desc;\n if (!RECORD_LAYER_write_pending(&s->rlayer)) {\n return s->method->ssl_dispatch_alert(s);\n }\n return -1;\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n SSL_SESSION *r;\n int ret = 0;\n if ((c != NULL) && (c->session_id_length != 0)) {\n if (lck)\n CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, c);\n SSL_SESSION_list_remove(ctx, c);\n }\n if (lck)\n CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n if (ret) {\n r->not_resumable = 1;\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, r);\n SSL_SESSION_free(r);\n }\n } else\n ret = 0;\n return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *lh_delete(_LHASH *lh, const void *data)\n{\n unsigned long hash;\n LHASH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_no_delete++;\n return (NULL);\n } else {\n nn = *rn;\n *rn = nn->next;\n ret = nn->data;\n OPENSSL_free(nn);\n lh->num_delete++;\n }\n lh->num_items--;\n if ((lh->num_nodes > MIN_NODES) &&\n (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n contract(lh);\n return (ret);\n}'] |
8,113 | 0 | https://github.com/openssl/openssl/blob/5c98b2caf5ce545fbf77611431c7084979da8177/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int witness(BIGNUM *w, const BIGNUM *a, const BIGNUM *a1,\n\tconst BIGNUM *a1_odd, int k, BN_CTX *ctx, BN_MONT_CTX *mont)\n\t{\n\tif (!BN_mod_exp_mont(w, w, a1_odd, a, ctx, mont))\n\t\treturn -1;\n\tif (BN_is_one(w))\n\t\treturn 0;\n\tif (BN_cmp(w, a1) == 0)\n\t\treturn 0;\n\twhile (--k)\n\t\t{\n\t\tif (!BN_mod_mul(w, w, w, a, ctx))\n\t\t\treturn -1;\n\t\tif (BN_is_one(w))\n\t\t\treturn 1;\n\t\tif (BN_cmp(w, a1) == 0)\n\t\t\treturn 0;\n\t\t}\n\tbn_check_top(w);\n\treturn 1;\n\t}', 'int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n\t\t const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n\t{\n\tint i,j,bits,ret=0,wstart,wend,window,wvalue;\n\tint start=1,ts=0;\n\tBIGNUM *d,*r;\n\tconst BIGNUM *aa;\n\tBIGNUM val[TABLE_SIZE];\n\tBN_MONT_CTX *mont=NULL;\n\tbn_check_top(a);\n\tbn_check_top(p);\n\tbn_check_top(m);\n\tif (!BN_is_odd(m))\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_MONT,BN_R_CALLED_WITH_EVEN_MODULUS);\n\t\treturn(0);\n\t\t}\n\tbits=BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tret = BN_one(rr);\n\t\treturn ret;\n\t\t}\n\tBN_CTX_start(ctx);\n\td = BN_CTX_get(ctx);\n\tr = BN_CTX_get(ctx);\n\tif (d == NULL || r == NULL) goto err;\n\tif (in_mont != NULL)\n\t\tmont=in_mont;\n\telse\n\t\t{\n\t\tif ((mont=BN_MONT_CTX_new()) == NULL) goto err;\n\t\tif (!BN_MONT_CTX_set(mont,m,ctx)) goto err;\n\t\t}\n\tBN_init(&val[0]);\n\tts=1;\n\tif (a->neg || BN_ucmp(a,m) >= 0)\n\t\t{\n\t\tif (!BN_nnmod(&(val[0]),a,m,ctx))\n\t\t\tgoto err;\n\t\taa= &(val[0]);\n\t\t}\n\telse\n\t\taa=a;\n\tif (BN_is_zero(aa))\n\t\t{\n\t\tBN_zero(rr);\n\t\tret = 1;\n\t\tgoto err;\n\t\t}\n\tif (!BN_to_montgomery(&(val[0]),aa,mont,ctx)) goto err;\n\twindow = BN_window_bits_for_exponent_size(bits);\n\tif (window > 1)\n\t\t{\n\t\tif (!BN_mod_mul_montgomery(d,&(val[0]),&(val[0]),mont,ctx)) goto err;\n\t\tj=1<<(window-1);\n\t\tfor (i=1; i<j; i++)\n\t\t\t{\n\t\t\tBN_init(&(val[i]));\n\t\t\tif (!BN_mod_mul_montgomery(&(val[i]),&(val[i-1]),d,mont,ctx))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\tts=i;\n\t\t}\n\tstart=1;\n\twvalue=0;\n\twstart=bits-1;\n\twend=0;\n\tif (!BN_to_montgomery(r,BN_value_one(),mont,ctx)) goto err;\n\tfor (;;)\n\t\t{\n\t\tif (BN_is_bit_set(p,wstart) == 0)\n\t\t\t{\n\t\t\tif (!start)\n\t\t\t\t{\n\t\t\t\tif (!BN_mod_mul_montgomery(r,r,r,mont,ctx))\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (wstart == 0) break;\n\t\t\twstart--;\n\t\t\tcontinue;\n\t\t\t}\n\t\tj=wstart;\n\t\twvalue=1;\n\t\twend=0;\n\t\tfor (i=1; i<window; i++)\n\t\t\t{\n\t\t\tif (wstart-i < 0) break;\n\t\t\tif (BN_is_bit_set(p,wstart-i))\n\t\t\t\t{\n\t\t\t\twvalue<<=(i-wend);\n\t\t\t\twvalue|=1;\n\t\t\t\twend=i;\n\t\t\t\t}\n\t\t\t}\n\t\tj=wend+1;\n\t\tif (!start)\n\t\t\tfor (i=0; i<j; i++)\n\t\t\t\t{\n\t\t\t\tif (!BN_mod_mul_montgomery(r,r,r,mont,ctx))\n\t\t\t\t\tgoto err;\n\t\t\t\t}\n\t\tif (!BN_mod_mul_montgomery(r,r,&(val[wvalue>>1]),mont,ctx))\n\t\t\tgoto err;\n\t\twstart-=wend+1;\n\t\twvalue=0;\n\t\tstart=0;\n\t\tif (wstart < 0) break;\n\t\t}\n\tif (!BN_from_montgomery(rr,r,mont,ctx)) goto err;\n\tret=1;\nerr:\n\tif ((in_mont == NULL) && (mont != NULL)) BN_MONT_CTX_free(mont);\n\tBN_CTX_end(ctx);\n\tfor (i=0; i<ts; i++)\n\t\tBN_clear_free(&(val[i]));\n\tbn_check_top(rr);\n\treturn(ret);\n\t}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n\tBN_CTX *ctx)\n\t{\n\tBIGNUM *t;\n\tint ret=0;\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(m);\n\tBN_CTX_start(ctx);\n\tif ((t = BN_CTX_get(ctx)) == NULL) goto err;\n\tif (a == b)\n\t\t{ if (!BN_sqr(t,a,ctx)) goto err; }\n\telse\n\t\t{ if (!BN_mul(t,a,b,ctx)) goto err; }\n\tif (!BN_nnmod(r,t,m,ctx)) goto err;\n\tbn_check_top(r);\n\tret=1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint ret=0;\n\tint top,al,bl;\n\tBIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tint i;\n#endif\n#ifdef BN_RECURSION\n\tBIGNUM *t=NULL;\n\tint j=0,k;\n#endif\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tBN_CTX_start(ctx);\n\tif ((r == a) || (r == b))\n\t\t{\n\t\tif ((rr = BN_CTX_get(ctx)) == NULL) goto err;\n\t\t}\n\telse\n\t\trr = r;\n\trr->neg=a->neg^b->neg;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\ti = al-bl;\n#endif\n#ifdef BN_MUL_COMBA\n\tif (i == 0)\n\t\t{\n# if 0\n\t\tif (al == 4)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,8) == NULL) goto err;\n\t\t\trr->top=8;\n\t\t\tbn_mul_comba4(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n# endif\n\t\tif (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) goto err;\n\t\t\trr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\tif ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (i >= -1 && i <= 1)\n\t\t\t{\n\t\t\tint sav_j =0;\n\t\t\tif (i >= 0)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)al);\n\t\t\t\t}\n\t\t\tif (i == -1)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)bl);\n\t\t\t\t}\n\t\t\tsav_j = j;\n\t\t\tj = 1<<(j-1);\n\t\t\tassert(j <= al || j <= bl);\n\t\t\tk = j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al > j || bl > j)\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*4);\n\t\t\t\tbn_wexpand(rr,k*4);\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*2);\n\t\t\t\tbn_wexpand(rr,k*2);\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\tif (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)b;\n\t\t\tif (bn_wexpand(tmp_bn,al) == NULL) goto err;\n\t\t\ttmp_bn->d[bl]=0;\n\t\t\tbl++;\n\t\t\ti--;\n\t\t\t}\n\t\telse if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)a;\n\t\t\tif (bn_wexpand(tmp_bn,bl) == NULL) goto err;\n\t\t\ttmp_bn->d[al]=0;\n\t\t\tal++;\n\t\t\ti++;\n\t\t\t}\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*2) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*2) == NULL) goto err;\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*4) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*4) == NULL) goto err;\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#endif\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) goto err;\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_correct_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\tret=1;\nerr:\n\tbn_check_top(r);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
8,114 | 0 | https://github.com/openssl/openssl/blob/c3fd55d4a6ed1025c471603b67fbbbce606a5171/crypto/evp/evp_enc.c/#L289 | static int is_partially_overlapping(const void *ptr1, const void *ptr2,
int len)
{
PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
int condition = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
(diff > (0 - (PTRDIFF_T)len)));
assert(!condition);
return condition;
} | ['static int enc_read(BIO *b, char *out, int outl)\n{\n int ret = 0, i;\n BIO_ENC_CTX *ctx;\n BIO *next;\n if (out == NULL)\n return (0);\n ctx = BIO_get_data(b);\n next = BIO_next(b);\n if ((ctx == NULL) || (next == NULL))\n return 0;\n if (ctx->buf_len > 0) {\n i = ctx->buf_len - ctx->buf_off;\n if (i > outl)\n i = outl;\n memcpy(out, &(ctx->buf[ctx->buf_off]), i);\n ret = i;\n out += i;\n outl -= i;\n ctx->buf_off += i;\n if (ctx->buf_len == ctx->buf_off) {\n ctx->buf_len = 0;\n ctx->buf_off = 0;\n }\n }\n while (outl > 0) {\n if (ctx->cont <= 0)\n break;\n i = BIO_read(next, &(ctx->buf[BUF_OFFSET]), ENC_BLOCK_SIZE);\n if (i <= 0) {\n if (!BIO_should_retry(next)) {\n ctx->cont = i;\n i = EVP_CipherFinal_ex(ctx->cipher,\n (unsigned char *)ctx->buf,\n &(ctx->buf_len));\n ctx->ok = i;\n ctx->buf_off = 0;\n } else {\n ret = (ret == 0) ? i : ret;\n break;\n }\n } else {\n if (!EVP_CipherUpdate(ctx->cipher,\n (unsigned char *)ctx->buf, &ctx->buf_len,\n (unsigned char *)&(ctx->buf[BUF_OFFSET]),\n i)) {\n BIO_clear_retry_flags(b);\n return 0;\n }\n ctx->cont = 1;\n if (ctx->buf_len == 0)\n continue;\n }\n if (ctx->buf_len <= outl)\n i = ctx->buf_len;\n else\n i = outl;\n if (i <= 0)\n break;\n memcpy(out, ctx->buf, i);\n ret += i;\n ctx->buf_off = i;\n outl -= i;\n out += i;\n }\n BIO_clear_retry_flags(b);\n BIO_copy_next_retry(b);\n return ((ret == 0) ? ctx->cont : ret);\n}', 'int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n if (ctx->encrypt)\n return EVP_EncryptUpdate(ctx, out, outl, in, inl);\n else\n return EVP_DecryptUpdate(ctx, out, outl, in, inl);\n}', 'int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n int i, j, bl;\n if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {\n if (is_partially_overlapping(out, in, inl))\n return 0;\n i = ctx->cipher->do_cipher(ctx, out, in, inl);\n if (i < 0)\n return 0;\n else\n *outl = i;\n return 1;\n }\n if (inl <= 0) {\n *outl = 0;\n return inl == 0;\n }\n if (is_partially_overlapping(out, in, inl))\n return 0;\n if (ctx->buf_len == 0 && (inl & (ctx->block_mask)) == 0) {\n if (ctx->cipher->do_cipher(ctx, out, in, inl)) {\n *outl = inl;\n return 1;\n } else {\n *outl = 0;\n return 0;\n }\n }\n i = ctx->buf_len;\n bl = ctx->cipher->block_size;\n OPENSSL_assert(bl <= (int)sizeof(ctx->buf));\n if (i != 0) {\n if (bl - i > inl) {\n memcpy(&(ctx->buf[i]), in, inl);\n ctx->buf_len += inl;\n *outl = 0;\n return 1;\n } else {\n j = bl - i;\n memcpy(&(ctx->buf[i]), in, j);\n inl -= j;\n in += j;\n if (is_partially_overlapping(out, in, bl))\n return 0;\n if (!ctx->cipher->do_cipher(ctx, out, ctx->buf, bl))\n return 0;\n out += bl;\n *outl = bl;\n }\n } else\n *outl = 0;\n i = inl & (bl - 1);\n inl -= i;\n if (inl > 0) {\n if (!ctx->cipher->do_cipher(ctx, out, in, inl))\n return 0;\n *outl += inl;\n }\n if (i != 0)\n memcpy(ctx->buf, &(in[inl]), i);\n ctx->buf_len = i;\n return 1;\n}', 'static int is_partially_overlapping(const void *ptr1, const void *ptr2,\n int len)\n{\n PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;\n int condition = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |\n (diff > (0 - (PTRDIFF_T)len)));\n assert(!condition);\n return condition;\n}'] |
8,115 | 0 | https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/asn1/tasn_new.c/#L285 | static int asn1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
{
const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item);
int embed = tt->flags & ASN1_TFLG_EMBED;
ASN1_VALUE *tval;
int ret;
if (embed) {
tval = (ASN1_VALUE *)pval;
pval = &tval;
}
if (tt->flags & ASN1_TFLG_OPTIONAL) {
asn1_template_clear(pval, tt);
return 1;
}
if (tt->flags & ASN1_TFLG_ADB_MASK) {
*pval = NULL;
return 1;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
OPENSSL_mem_debug_push(tt->field_name
? tt->field_name : "asn1_template_new");
#endif
if (tt->flags & ASN1_TFLG_SK_MASK) {
STACK_OF(ASN1_VALUE) *skval;
skval = sk_ASN1_VALUE_new_null();
if (!skval) {
ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE);
ret = 0;
goto done;
}
*pval = (ASN1_VALUE *)skval;
ret = 1;
goto done;
}
ret = asn1_item_embed_new(pval, it, embed);
done:
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
OPENSSL_mem_debug_pop();
#endif
return ret;
} | ['static int asn1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)\n{\n const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item);\n int embed = tt->flags & ASN1_TFLG_EMBED;\n ASN1_VALUE *tval;\n int ret;\n if (embed) {\n tval = (ASN1_VALUE *)pval;\n pval = &tval;\n }\n if (tt->flags & ASN1_TFLG_OPTIONAL) {\n asn1_template_clear(pval, tt);\n return 1;\n }\n if (tt->flags & ASN1_TFLG_ADB_MASK) {\n *pval = NULL;\n return 1;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n OPENSSL_mem_debug_push(tt->field_name\n ? tt->field_name : "asn1_template_new");\n#endif\n if (tt->flags & ASN1_TFLG_SK_MASK) {\n STACK_OF(ASN1_VALUE) *skval;\n skval = sk_ASN1_VALUE_new_null();\n if (!skval) {\n ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE);\n ret = 0;\n goto done;\n }\n *pval = (ASN1_VALUE *)skval;\n ret = 1;\n goto done;\n }\n ret = asn1_item_embed_new(pval, it, embed);\n done:\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n OPENSSL_mem_debug_pop();\n#endif\n return ret;\n}', 'DEFINE_STACK_OF(ASN1_VALUE)', '_STACK *sk_new_null(void)\n{\n return sk_new((int (*)(const void *, const void *))0);\n}', '_STACK *sk_new(int (*c) (const void *, const void *))\n{\n _STACK *ret;\n if ((ret = OPENSSL_zalloc(sizeof(_STACK))) == NULL)\n goto err;\n if ((ret->data = OPENSSL_zalloc(sizeof(*ret->data) * MIN_NODES)) == NULL)\n goto err;\n ret->comp = c;\n ret->num_alloc = MIN_NODES;\n return (ret);\n err:\n OPENSSL_free(ret);\n return (NULL);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}'] |
8,116 | 0 | https://github.com/libav/libav/blob/0e9c4fe254073b209970df3e3cb84531bc388e99/libavcodec/imgconvert.c/#L56 | int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
enum AVPixelFormat src_pix_fmt,
int has_alpha)
{
const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
int loss, i, nb_components = FFMIN(src_desc->nb_components,
dst_desc->nb_components);
loss = 0;
if (dst_pix_fmt == src_pix_fmt)
return 0;
for (i = 0; i < nb_components; i++)
if (src_desc->comp[i].depth > dst_desc->comp[i].depth)
loss |= FF_LOSS_DEPTH;
if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||
dst_desc->log2_chroma_h > src_desc->log2_chroma_h)
loss |= FF_LOSS_RESOLUTION;
if ((src_desc->flags & AV_PIX_FMT_FLAG_RGB) != (dst_desc->flags & AV_PIX_FMT_FLAG_RGB))
loss |= FF_LOSS_COLORSPACE;
if (has_alpha && !(dst_desc->flags & AV_PIX_FMT_FLAG_ALPHA) &&
(src_desc->flags & AV_PIX_FMT_FLAG_ALPHA))
loss |= FF_LOSS_ALPHA;
if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc))
return loss | FF_LOSS_COLORQUANT;
if (src_desc->nb_components > dst_desc->nb_components)
if (is_gray(dst_desc))
loss |= FF_LOSS_CHROMA;
return loss;
} | ['int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,\n enum AVPixelFormat src_pix_fmt,\n int has_alpha)\n{\n const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);\n const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);\n int loss, i, nb_components = FFMIN(src_desc->nb_components,\n dst_desc->nb_components);\n loss = 0;\n if (dst_pix_fmt == src_pix_fmt)\n return 0;\n for (i = 0; i < nb_components; i++)\n if (src_desc->comp[i].depth > dst_desc->comp[i].depth)\n loss |= FF_LOSS_DEPTH;\n if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||\n dst_desc->log2_chroma_h > src_desc->log2_chroma_h)\n loss |= FF_LOSS_RESOLUTION;\n if ((src_desc->flags & AV_PIX_FMT_FLAG_RGB) != (dst_desc->flags & AV_PIX_FMT_FLAG_RGB))\n loss |= FF_LOSS_COLORSPACE;\n if (has_alpha && !(dst_desc->flags & AV_PIX_FMT_FLAG_ALPHA) &&\n (src_desc->flags & AV_PIX_FMT_FLAG_ALPHA))\n loss |= FF_LOSS_ALPHA;\n if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc))\n return loss | FF_LOSS_COLORQUANT;\n if (src_desc->nb_components > dst_desc->nb_components)\n if (is_gray(dst_desc))\n loss |= FF_LOSS_CHROMA;\n return loss;\n}', 'const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)\n{\n if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)\n return NULL;\n return &av_pix_fmt_descriptors[pix_fmt];\n}'] |
8,117 | 0 | https://github.com/libav/libav/blob/fd7f59639c43f0ab6b83ad2c1ceccafc553d7845/libavcodec/pngdec.c/#L202 | static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,
uint8_t *src, uint8_t *last, int size, int bpp)
{
int i, p, r, g, b, a;
switch(filter_type) {
case PNG_FILTER_VALUE_NONE:
memcpy(dst, src, size);
break;
case PNG_FILTER_VALUE_SUB:
for(i = 0; i < bpp; i++) {
dst[i] = src[i];
}
if(bpp == 4) {
p = *(int*)dst;
for(; i < size; i+=bpp) {
int s = *(int*)(src+i);
p = ((s&0x7f7f7f7f) + (p&0x7f7f7f7f)) ^ ((s^p)&0x80808080);
*(int*)(dst+i) = p;
}
} else {
#define OP_SUB(x,s,l) x+s
UNROLL_FILTER(OP_SUB);
}
break;
case PNG_FILTER_VALUE_UP:
dsp->add_bytes_l2(dst, src, last, size);
break;
case PNG_FILTER_VALUE_AVG:
for(i = 0; i < bpp; i++) {
p = (last[i] >> 1);
dst[i] = p + src[i];
}
#define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff
UNROLL_FILTER(OP_AVG);
break;
case PNG_FILTER_VALUE_PAETH:
for(i = 0; i < bpp; i++) {
p = last[i];
dst[i] = p + src[i];
}
if(bpp > 1 && size > 4) {
int w = bpp==4 ? size : size-3;
dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);
i = w;
}
ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp);
break;
}
} | ['static int decode_frame(AVCodecContext *avctx,\n void *data, int *data_size,\n const uint8_t *buf, int buf_size)\n{\n PNGDecContext * const s = avctx->priv_data;\n AVFrame *picture = data;\n AVFrame * const p= &s->picture;\n uint32_t tag, length;\n int ret, crc;\n s->bytestream_start=\n s->bytestream= buf;\n s->bytestream_end= buf + buf_size;\n if (memcmp(s->bytestream, ff_pngsig, 8) != 0 &&\n memcmp(s->bytestream, ff_mngsig, 8) != 0)\n return -1;\n s->bytestream+= 8;\n s->y=\n s->state=0;\n s->zstream.zalloc = ff_png_zalloc;\n s->zstream.zfree = ff_png_zfree;\n s->zstream.opaque = NULL;\n ret = inflateInit(&s->zstream);\n if (ret != Z_OK)\n return -1;\n for(;;) {\n int tag32;\n if (s->bytestream >= s->bytestream_end)\n goto fail;\n length = bytestream_get_be32(&s->bytestream);\n if (length > 0x7fffffff)\n goto fail;\n tag32 = bytestream_get_be32(&s->bytestream);\n tag = bswap_32(tag32);\n#ifdef DEBUG\n av_log(avctx, AV_LOG_DEBUG, "png: tag=%c%c%c%c length=%u\\n",\n (tag & 0xff),\n ((tag >> 8) & 0xff),\n ((tag >> 16) & 0xff),\n ((tag >> 24) & 0xff), length);\n#endif\n switch(tag) {\n case MKTAG(\'I\', \'H\', \'D\', \'R\'):\n if (length != 13)\n goto fail;\n s->width = bytestream_get_be32(&s->bytestream);\n s->height = bytestream_get_be32(&s->bytestream);\n if(avcodec_check_dimensions(avctx, s->width, s->height)){\n s->width= s->height= 0;\n goto fail;\n }\n s->bit_depth = *s->bytestream++;\n s->color_type = *s->bytestream++;\n s->compression_type = *s->bytestream++;\n s->filter_type = *s->bytestream++;\n s->interlace_type = *s->bytestream++;\n crc = bytestream_get_be32(&s->bytestream);\n s->state |= PNG_IHDR;\n#ifdef DEBUG\n av_log(avctx, AV_LOG_DEBUG, "width=%d height=%d depth=%d color_type=%d compression_type=%d filter_type=%d interlace_type=%d\\n",\n s->width, s->height, s->bit_depth, s->color_type,\n s->compression_type, s->filter_type, s->interlace_type);\n#endif\n break;\n case MKTAG(\'I\', \'D\', \'A\', \'T\'):\n if (!(s->state & PNG_IHDR))\n goto fail;\n if (!(s->state & PNG_IDAT)) {\n avctx->width = s->width;\n avctx->height = s->height;\n s->channels = ff_png_get_nb_channels(s->color_type);\n s->bits_per_pixel = s->bit_depth * s->channels;\n s->bpp = (s->bits_per_pixel + 7) >> 3;\n s->row_size = (avctx->width * s->bits_per_pixel + 7) >> 3;\n if (s->bit_depth == 8 &&\n s->color_type == PNG_COLOR_TYPE_RGB) {\n avctx->pix_fmt = PIX_FMT_RGB24;\n } else if (s->bit_depth == 8 &&\n s->color_type == PNG_COLOR_TYPE_RGB_ALPHA) {\n avctx->pix_fmt = PIX_FMT_RGB32;\n } else if (s->bit_depth == 8 &&\n s->color_type == PNG_COLOR_TYPE_GRAY) {\n avctx->pix_fmt = PIX_FMT_GRAY8;\n } else if (s->bit_depth == 16 &&\n s->color_type == PNG_COLOR_TYPE_GRAY) {\n avctx->pix_fmt = PIX_FMT_GRAY16BE;\n } else if (s->bit_depth == 1 &&\n s->color_type == PNG_COLOR_TYPE_GRAY) {\n avctx->pix_fmt = PIX_FMT_MONOBLACK;\n } else if (s->color_type == PNG_COLOR_TYPE_PALETTE) {\n avctx->pix_fmt = PIX_FMT_PAL8;\n } else {\n goto fail;\n }\n if(p->data[0])\n avctx->release_buffer(avctx, p);\n p->reference= 0;\n if(avctx->get_buffer(avctx, p) < 0){\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n goto fail;\n }\n p->pict_type= FF_I_TYPE;\n p->key_frame= 1;\n p->interlaced_frame = !!s->interlace_type;\n if (!s->interlace_type) {\n s->crow_size = s->row_size + 1;\n } else {\n s->pass = 0;\n s->pass_row_size = ff_png_pass_row_size(s->pass,\n s->bits_per_pixel,\n s->width);\n s->crow_size = s->pass_row_size + 1;\n }\n#ifdef DEBUG\n av_log(avctx, AV_LOG_DEBUG, "row_size=%d crow_size =%d\\n",\n s->row_size, s->crow_size);\n#endif\n s->image_buf = p->data[0];\n s->image_linesize = p->linesize[0];\n if (s->color_type == PNG_COLOR_TYPE_PALETTE)\n memcpy(p->data[1], s->palette, 256 * sizeof(uint32_t));\n s->last_row = av_mallocz(s->row_size);\n if (!s->last_row)\n goto fail;\n if (s->interlace_type ||\n s->color_type == PNG_COLOR_TYPE_RGB_ALPHA) {\n s->tmp_row = av_malloc(s->row_size);\n if (!s->tmp_row)\n goto fail;\n }\n s->crow_buf = av_malloc(s->row_size + 1);\n if (!s->crow_buf)\n goto fail;\n s->zstream.avail_out = s->crow_size;\n s->zstream.next_out = s->crow_buf;\n }\n s->state |= PNG_IDAT;\n if (png_decode_idat(s, length) < 0)\n goto fail;\n crc = bytestream_get_be32(&s->bytestream);\n break;\n case MKTAG(\'P\', \'L\', \'T\', \'E\'):\n {\n int n, i, r, g, b;\n if ((length % 3) != 0 || length > 256 * 3)\n goto skip_tag;\n n = length / 3;\n for(i=0;i<n;i++) {\n r = *s->bytestream++;\n g = *s->bytestream++;\n b = *s->bytestream++;\n s->palette[i] = (0xff << 24) | (r << 16) | (g << 8) | b;\n }\n for(;i<256;i++) {\n s->palette[i] = (0xff << 24);\n }\n s->state |= PNG_PLTE;\n crc = bytestream_get_be32(&s->bytestream);\n }\n break;\n case MKTAG(\'t\', \'R\', \'N\', \'S\'):\n {\n int v, i;\n if (s->color_type != PNG_COLOR_TYPE_PALETTE ||\n length > 256 ||\n !(s->state & PNG_PLTE))\n goto skip_tag;\n for(i=0;i<length;i++) {\n v = *s->bytestream++;\n s->palette[i] = (s->palette[i] & 0x00ffffff) | (v << 24);\n }\n crc = bytestream_get_be32(&s->bytestream);\n }\n break;\n case MKTAG(\'I\', \'E\', \'N\', \'D\'):\n if (!(s->state & PNG_ALLIMAGE))\n goto fail;\n crc = bytestream_get_be32(&s->bytestream);\n goto exit_loop;\n default:\n skip_tag:\n s->bytestream += length + 4;\n break;\n }\n }\n exit_loop:\n *picture= s->picture;\n *data_size = sizeof(AVFrame);\n ret = s->bytestream - s->bytestream_start;\n the_end:\n inflateEnd(&s->zstream);\n av_freep(&s->crow_buf);\n av_freep(&s->last_row);\n av_freep(&s->tmp_row);\n return ret;\n fail:\n ret = -1;\n goto the_end;\n}', 'static int png_decode_idat(PNGDecContext *s, int length)\n{\n int ret;\n s->zstream.avail_in = length;\n s->zstream.next_in = s->bytestream;\n s->bytestream += length;\n if(s->bytestream > s->bytestream_end)\n return -1;\n while (s->zstream.avail_in > 0) {\n ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);\n if (ret != Z_OK && ret != Z_STREAM_END) {\n return -1;\n }\n if (s->zstream.avail_out == 0) {\n if (!(s->state & PNG_ALLIMAGE)) {\n png_handle_row(s);\n }\n s->zstream.avail_out = s->crow_size;\n s->zstream.next_out = s->crow_buf;\n }\n }\n return 0;\n}', 'static void png_handle_row(PNGDecContext *s)\n{\n uint8_t *ptr, *last_row;\n int got_line;\n if (!s->interlace_type) {\n ptr = s->image_buf + s->image_linesize * s->y;\n if (s->color_type == PNG_COLOR_TYPE_RGB_ALPHA) {\n png_filter_row(&s->dsp, s->tmp_row, s->crow_buf[0], s->crow_buf + 1,\n s->last_row, s->row_size, s->bpp);\n convert_to_rgb32(ptr, s->tmp_row, s->width, s->filter_type == PNG_FILTER_TYPE_LOCO);\n FFSWAP(uint8_t*, s->last_row, s->tmp_row);\n } else {\n if (s->y == 0)\n last_row = s->last_row;\n else\n last_row = ptr - s->image_linesize;\n png_filter_row(&s->dsp, ptr, s->crow_buf[0], s->crow_buf + 1,\n last_row, s->row_size, s->bpp);\n }\n if (s->filter_type == PNG_FILTER_TYPE_LOCO &&\n s->color_type == PNG_COLOR_TYPE_RGB && s->y > 0)\n deloco_rgb24(ptr - s->image_linesize, s->row_size);\n s->y++;\n if (s->y == s->height) {\n s->state |= PNG_ALLIMAGE;\n if (s->filter_type == PNG_FILTER_TYPE_LOCO &&\n s->color_type == PNG_COLOR_TYPE_RGB)\n deloco_rgb24(ptr, s->row_size);\n }\n } else {\n got_line = 0;\n for(;;) {\n ptr = s->image_buf + s->image_linesize * s->y;\n if ((ff_png_pass_ymask[s->pass] << (s->y & 7)) & 0x80) {\n if (got_line)\n break;\n png_filter_row(&s->dsp, s->tmp_row, s->crow_buf[0], s->crow_buf + 1,\n s->last_row, s->pass_row_size, s->bpp);\n FFSWAP(uint8_t*, s->last_row, s->tmp_row);\n got_line = 1;\n }\n if ((png_pass_dsp_ymask[s->pass] << (s->y & 7)) & 0x80) {\n png_put_interlaced_row(ptr, s->width, s->bits_per_pixel, s->pass,\n s->color_type, s->last_row);\n }\n s->y++;\n if (s->y == s->height) {\n for(;;) {\n if (s->pass == NB_PASSES - 1) {\n s->state |= PNG_ALLIMAGE;\n goto the_end;\n } else {\n s->pass++;\n s->y = 0;\n s->pass_row_size = ff_png_pass_row_size(s->pass,\n s->bits_per_pixel,\n s->width);\n s->crow_size = s->pass_row_size + 1;\n if (s->pass_row_size != 0)\n break;\n }\n }\n }\n }\n the_end: ;\n }\n}', 'static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,\n uint8_t *src, uint8_t *last, int size, int bpp)\n{\n int i, p, r, g, b, a;\n switch(filter_type) {\n case PNG_FILTER_VALUE_NONE:\n memcpy(dst, src, size);\n break;\n case PNG_FILTER_VALUE_SUB:\n for(i = 0; i < bpp; i++) {\n dst[i] = src[i];\n }\n if(bpp == 4) {\n p = *(int*)dst;\n for(; i < size; i+=bpp) {\n int s = *(int*)(src+i);\n p = ((s&0x7f7f7f7f) + (p&0x7f7f7f7f)) ^ ((s^p)&0x80808080);\n *(int*)(dst+i) = p;\n }\n } else {\n#define OP_SUB(x,s,l) x+s\n UNROLL_FILTER(OP_SUB);\n }\n break;\n case PNG_FILTER_VALUE_UP:\n dsp->add_bytes_l2(dst, src, last, size);\n break;\n case PNG_FILTER_VALUE_AVG:\n for(i = 0; i < bpp; i++) {\n p = (last[i] >> 1);\n dst[i] = p + src[i];\n }\n#define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff\n UNROLL_FILTER(OP_AVG);\n break;\n case PNG_FILTER_VALUE_PAETH:\n for(i = 0; i < bpp; i++) {\n p = last[i];\n dst[i] = p + src[i];\n }\n if(bpp > 1 && size > 4) {\n int w = bpp==4 ? size : size-3;\n dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);\n i = w;\n }\n ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp);\n break;\n }\n}'] |
8,118 | 0 | https://github.com/libav/libav/blob/72ccfb3cb7a85d35cfe2c99ab53e981974e599cd/libavcodec/interplayvideo.c/#L727 | static int ipvideo_decode_block_opcode_0xA_16(IpvideoContext *s)
{
int x, y;
uint16_t P[8];
int flags = 0;
uint16_t *pixel_ptr = (uint16_t*)s->pixel_ptr;
for (x = 0; x < 4; x++)
P[x] = bytestream2_get_le16(&s->stream_ptr);
if (!(P[0] & 0x8000)) {
for (y = 0; y < 16; y++) {
if (!(y & 3)) {
if (y)
for (x = 0; x < 4; x++)
P[x] = bytestream2_get_le16(&s->stream_ptr);
flags = bytestream2_get_le32(&s->stream_ptr);
}
for (x = 0; x < 4; x++, flags >>= 2)
*pixel_ptr++ = P[flags & 0x03];
pixel_ptr += s->stride - 4;
if (y == 7) pixel_ptr -= 8 * s->stride - 4;
}
} else {
int vert;
uint64_t flags = bytestream2_get_le64(&s->stream_ptr);
for (x = 4; x < 8; x++)
P[x] = bytestream2_get_le16(&s->stream_ptr);
vert = !(P[4] & 0x8000);
for (y = 0; y < 16; y++) {
for (x = 0; x < 4; x++, flags >>= 2)
*pixel_ptr++ = P[flags & 0x03];
if (vert) {
pixel_ptr += s->stride - 4;
if (y == 7) pixel_ptr -= 8 * s->stride - 4;
} else if (y & 1) pixel_ptr += s->line_inc;
if (y == 7) {
memcpy(P, P + 4, 8);
flags = bytestream2_get_le64(&s->stream_ptr);
}
}
}
return 0;
} | ['static int ipvideo_decode_block_opcode_0xA_16(IpvideoContext *s)\n{\n int x, y;\n uint16_t P[8];\n int flags = 0;\n uint16_t *pixel_ptr = (uint16_t*)s->pixel_ptr;\n for (x = 0; x < 4; x++)\n P[x] = bytestream2_get_le16(&s->stream_ptr);\n if (!(P[0] & 0x8000)) {\n for (y = 0; y < 16; y++) {\n if (!(y & 3)) {\n if (y)\n for (x = 0; x < 4; x++)\n P[x] = bytestream2_get_le16(&s->stream_ptr);\n flags = bytestream2_get_le32(&s->stream_ptr);\n }\n for (x = 0; x < 4; x++, flags >>= 2)\n *pixel_ptr++ = P[flags & 0x03];\n pixel_ptr += s->stride - 4;\n if (y == 7) pixel_ptr -= 8 * s->stride - 4;\n }\n } else {\n int vert;\n uint64_t flags = bytestream2_get_le64(&s->stream_ptr);\n for (x = 4; x < 8; x++)\n P[x] = bytestream2_get_le16(&s->stream_ptr);\n vert = !(P[4] & 0x8000);\n for (y = 0; y < 16; y++) {\n for (x = 0; x < 4; x++, flags >>= 2)\n *pixel_ptr++ = P[flags & 0x03];\n if (vert) {\n pixel_ptr += s->stride - 4;\n if (y == 7) pixel_ptr -= 8 * s->stride - 4;\n } else if (y & 1) pixel_ptr += s->line_inc;\n if (y == 7) {\n memcpy(P, P + 4, 8);\n flags = bytestream2_get_le64(&s->stream_ptr);\n }\n }\n }\n return 0;\n}'] |
8,119 | 0 | https://github.com/libav/libav/blob/75366a504dfc30deadeac71c35e3c444275986f9/libavformat/utils.c/#L2693 | void avformat_close_input(AVFormatContext **ps)
{
AVFormatContext *s = *ps;
AVIOContext *pb = s->pb;
if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||
(s->flags & AVFMT_FLAG_CUSTOM_IO))
pb = NULL;
flush_packet_queue(s);
if (s->iformat) {
if (s->iformat->read_close)
s->iformat->read_close(s);
}
avformat_free_context(s);
*ps = NULL;
avio_close(pb);
} | ['void avformat_close_input(AVFormatContext **ps)\n{\n AVFormatContext *s = *ps;\n AVIOContext *pb = s->pb;\n if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||\n (s->flags & AVFMT_FLAG_CUSTOM_IO))\n pb = NULL;\n flush_packet_queue(s);\n if (s->iformat) {\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n }\n avformat_free_context(s);\n *ps = NULL;\n avio_close(pb);\n}', 'int avio_close(AVIOContext *s)\n{\n URLContext *h;\n if (!s)\n return 0;\n avio_flush(s);\n h = s->opaque;\n av_freep(&s->buffer);\n av_free(s);\n return ffurl_close(h);\n}', 'void avio_flush(AVIOContext *s)\n{\n flush_buffer(s);\n s->must_flush = 0;\n}', 'static void flush_buffer(AVIOContext *s)\n{\n if (s->buf_ptr > s->buffer) {\n if (s->write_packet && !s->error){\n int ret= s->write_packet(s->opaque, s->buffer, s->buf_ptr - s->buffer);\n if(ret < 0){\n s->error = ret;\n }\n }\n if(s->update_checksum){\n s->checksum= s->update_checksum(s->checksum, s->checksum_ptr, s->buf_ptr - s->checksum_ptr);\n s->checksum_ptr= s->buffer;\n }\n s->pos += s->buf_ptr - s->buffer;\n }\n s->buf_ptr = s->buffer;\n}'] |
8,120 | 0 | https://github.com/libav/libav/blob/c15fea7933b3801962851a37c3ef00ce968431c4/libavcodec/mpc8.c/#L355 | static int mpc8_decode_frame(AVCodecContext * avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MPCContext *c = avctx->priv_data;
GetBitContext gb2, *gb = &gb2;
int i, j, k, ch, cnt, res, t;
Band *bands = c->bands;
int off;
int maxband, keyframe;
int last[2];
c->frame.nb_samples = MPC_FRAME_SIZE;
if ((res = ff_get_buffer(avctx, &c->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return res;
}
keyframe = c->cur_frame == 0;
if(keyframe){
memset(c->Q, 0, sizeof(c->Q));
c->last_bits_used = 0;
}
init_get_bits(gb, buf, buf_size * 8);
skip_bits(gb, c->last_bits_used & 7);
if(keyframe)
maxband = mpc8_get_mod_golomb(gb, c->maxbands + 1);
else{
maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2);
if(maxband > 32) maxband -= 33;
}
if(maxband > c->maxbands + 1)
return AVERROR_INVALIDDATA;
c->last_max_band = maxband;
if(maxband){
last[0] = last[1] = 0;
for(i = maxband - 1; i >= 0; i--){
for(ch = 0; ch < 2; ch++){
last[ch] = get_vlc2(gb, res_vlc[last[ch] > 2].table, MPC8_RES_BITS, 2) + last[ch];
if(last[ch] > 15) last[ch] -= 17;
bands[i].res[ch] = last[ch];
}
}
if(c->MSS){
int mask;
cnt = 0;
for(i = 0; i < maxband; i++)
if(bands[i].res[0] || bands[i].res[1])
cnt++;
t = mpc8_get_mod_golomb(gb, cnt);
mask = mpc8_get_mask(gb, cnt, t);
for(i = maxband - 1; i >= 0; i--)
if(bands[i].res[0] || bands[i].res[1]){
bands[i].msf = mask & 1;
mask >>= 1;
}
}
}
for(i = maxband; i < c->maxbands; i++)
bands[i].res[0] = bands[i].res[1] = 0;
if(keyframe){
for(i = 0; i < 32; i++)
c->oldDSCF[0][i] = c->oldDSCF[1][i] = 1;
}
for(i = 0; i < maxband; i++){
if(bands[i].res[0] || bands[i].res[1]){
cnt = !!bands[i].res[0] + !!bands[i].res[1] - 1;
if(cnt >= 0){
t = get_vlc2(gb, scfi_vlc[cnt].table, scfi_vlc[cnt].bits, 1);
if(bands[i].res[0]) bands[i].scfi[0] = t >> (2 * cnt);
if(bands[i].res[1]) bands[i].scfi[1] = t & 3;
}
}
}
for(i = 0; i < maxband; i++){
for(ch = 0; ch < 2; ch++){
if(!bands[i].res[ch]) continue;
if(c->oldDSCF[ch][i]){
bands[i].scf_idx[ch][0] = get_bits(gb, 7) - 6;
c->oldDSCF[ch][i] = 0;
}else{
t = get_vlc2(gb, dscf_vlc[1].table, MPC8_DSCF1_BITS, 2);
if(t == 64)
t += get_bits(gb, 6);
bands[i].scf_idx[ch][0] = ((bands[i].scf_idx[ch][2] + t - 25) & 0x7F) - 6;
}
for(j = 0; j < 2; j++){
if((bands[i].scfi[ch] << j) & 2)
bands[i].scf_idx[ch][j + 1] = bands[i].scf_idx[ch][j];
else{
t = get_vlc2(gb, dscf_vlc[0].table, MPC8_DSCF0_BITS, 2);
if(t == 31)
t = 64 + get_bits(gb, 6);
bands[i].scf_idx[ch][j + 1] = ((bands[i].scf_idx[ch][j] + t - 25) & 0x7F) - 6;
}
}
}
}
for(i = 0, off = 0; i < maxband; i++, off += SAMPLES_PER_BAND){
for(ch = 0; ch < 2; ch++){
res = bands[i].res[ch];
switch(res){
case -1:
for(j = 0; j < SAMPLES_PER_BAND; j++)
c->Q[ch][off + j] = (av_lfg_get(&c->rnd) & 0x3FC) - 510;
break;
case 0:
break;
case 1:
for(j = 0; j < SAMPLES_PER_BAND; j += SAMPLES_PER_BAND / 2){
cnt = get_vlc2(gb, q1_vlc.table, MPC8_Q1_BITS, 2);
t = mpc8_get_mask(gb, 18, cnt);
for(k = 0; k < SAMPLES_PER_BAND / 2; k++, t <<= 1)
c->Q[ch][off + j + k] = (t & 0x20000) ? (get_bits1(gb) << 1) - 1 : 0;
}
break;
case 2:
cnt = 6;
for(j = 0; j < SAMPLES_PER_BAND; j += 3){
t = get_vlc2(gb, q2_vlc[cnt > 3].table, MPC8_Q2_BITS, 2);
c->Q[ch][off + j + 0] = mpc8_idx50[t];
c->Q[ch][off + j + 1] = mpc8_idx51[t];
c->Q[ch][off + j + 2] = mpc8_idx52[t];
cnt = (cnt >> 1) + mpc8_huffq2[t];
}
break;
case 3:
case 4:
for(j = 0; j < SAMPLES_PER_BAND; j += 2){
t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3];
c->Q[ch][off + j + 1] = t >> 4;
c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF);
}
break;
case 5:
case 6:
case 7:
case 8:
cnt = 2 * mpc8_thres[res];
for(j = 0; j < SAMPLES_PER_BAND; j++){
t = get_vlc2(gb, quant_vlc[res - 5][cnt > mpc8_thres[res]].table, quant_vlc[res - 5][cnt > mpc8_thres[res]].bits, 2) + quant_offsets[res - 5];
c->Q[ch][off + j] = t;
cnt = (cnt >> 1) + FFABS(c->Q[ch][off + j]);
}
break;
default:
for(j = 0; j < SAMPLES_PER_BAND; j++){
c->Q[ch][off + j] = get_vlc2(gb, q9up_vlc.table, MPC8_Q9UP_BITS, 2);
if(res != 9){
c->Q[ch][off + j] <<= res - 9;
c->Q[ch][off + j] |= get_bits(gb, res - 9);
}
c->Q[ch][off + j] -= (1 << (res - 2)) - 1;
}
}
}
}
ff_mpc_dequantize_and_synth(c, maxband - 1,
(int16_t **)c->frame.extended_data,
avctx->channels);
c->cur_frame++;
c->last_bits_used = get_bits_count(gb);
if(get_bits_left(gb) < 8)
c->last_bits_used = buf_size << 3;
if(c->cur_frame >= c->frames)
c->cur_frame = 0;
*got_frame_ptr = 1;
*(AVFrame *)data = c->frame;
return c->cur_frame ? c->last_bits_used >> 3 : buf_size;
} | ['static int mpc8_decode_frame(AVCodecContext * avctx, void *data,\n int *got_frame_ptr, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n MPCContext *c = avctx->priv_data;\n GetBitContext gb2, *gb = &gb2;\n int i, j, k, ch, cnt, res, t;\n Band *bands = c->bands;\n int off;\n int maxband, keyframe;\n int last[2];\n c->frame.nb_samples = MPC_FRAME_SIZE;\n if ((res = ff_get_buffer(avctx, &c->frame)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return res;\n }\n keyframe = c->cur_frame == 0;\n if(keyframe){\n memset(c->Q, 0, sizeof(c->Q));\n c->last_bits_used = 0;\n }\n init_get_bits(gb, buf, buf_size * 8);\n skip_bits(gb, c->last_bits_used & 7);\n if(keyframe)\n maxband = mpc8_get_mod_golomb(gb, c->maxbands + 1);\n else{\n maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2);\n if(maxband > 32) maxband -= 33;\n }\n if(maxband > c->maxbands + 1)\n return AVERROR_INVALIDDATA;\n c->last_max_band = maxband;\n if(maxband){\n last[0] = last[1] = 0;\n for(i = maxband - 1; i >= 0; i--){\n for(ch = 0; ch < 2; ch++){\n last[ch] = get_vlc2(gb, res_vlc[last[ch] > 2].table, MPC8_RES_BITS, 2) + last[ch];\n if(last[ch] > 15) last[ch] -= 17;\n bands[i].res[ch] = last[ch];\n }\n }\n if(c->MSS){\n int mask;\n cnt = 0;\n for(i = 0; i < maxband; i++)\n if(bands[i].res[0] || bands[i].res[1])\n cnt++;\n t = mpc8_get_mod_golomb(gb, cnt);\n mask = mpc8_get_mask(gb, cnt, t);\n for(i = maxband - 1; i >= 0; i--)\n if(bands[i].res[0] || bands[i].res[1]){\n bands[i].msf = mask & 1;\n mask >>= 1;\n }\n }\n }\n for(i = maxband; i < c->maxbands; i++)\n bands[i].res[0] = bands[i].res[1] = 0;\n if(keyframe){\n for(i = 0; i < 32; i++)\n c->oldDSCF[0][i] = c->oldDSCF[1][i] = 1;\n }\n for(i = 0; i < maxband; i++){\n if(bands[i].res[0] || bands[i].res[1]){\n cnt = !!bands[i].res[0] + !!bands[i].res[1] - 1;\n if(cnt >= 0){\n t = get_vlc2(gb, scfi_vlc[cnt].table, scfi_vlc[cnt].bits, 1);\n if(bands[i].res[0]) bands[i].scfi[0] = t >> (2 * cnt);\n if(bands[i].res[1]) bands[i].scfi[1] = t & 3;\n }\n }\n }\n for(i = 0; i < maxband; i++){\n for(ch = 0; ch < 2; ch++){\n if(!bands[i].res[ch]) continue;\n if(c->oldDSCF[ch][i]){\n bands[i].scf_idx[ch][0] = get_bits(gb, 7) - 6;\n c->oldDSCF[ch][i] = 0;\n }else{\n t = get_vlc2(gb, dscf_vlc[1].table, MPC8_DSCF1_BITS, 2);\n if(t == 64)\n t += get_bits(gb, 6);\n bands[i].scf_idx[ch][0] = ((bands[i].scf_idx[ch][2] + t - 25) & 0x7F) - 6;\n }\n for(j = 0; j < 2; j++){\n if((bands[i].scfi[ch] << j) & 2)\n bands[i].scf_idx[ch][j + 1] = bands[i].scf_idx[ch][j];\n else{\n t = get_vlc2(gb, dscf_vlc[0].table, MPC8_DSCF0_BITS, 2);\n if(t == 31)\n t = 64 + get_bits(gb, 6);\n bands[i].scf_idx[ch][j + 1] = ((bands[i].scf_idx[ch][j] + t - 25) & 0x7F) - 6;\n }\n }\n }\n }\n for(i = 0, off = 0; i < maxband; i++, off += SAMPLES_PER_BAND){\n for(ch = 0; ch < 2; ch++){\n res = bands[i].res[ch];\n switch(res){\n case -1:\n for(j = 0; j < SAMPLES_PER_BAND; j++)\n c->Q[ch][off + j] = (av_lfg_get(&c->rnd) & 0x3FC) - 510;\n break;\n case 0:\n break;\n case 1:\n for(j = 0; j < SAMPLES_PER_BAND; j += SAMPLES_PER_BAND / 2){\n cnt = get_vlc2(gb, q1_vlc.table, MPC8_Q1_BITS, 2);\n t = mpc8_get_mask(gb, 18, cnt);\n for(k = 0; k < SAMPLES_PER_BAND / 2; k++, t <<= 1)\n c->Q[ch][off + j + k] = (t & 0x20000) ? (get_bits1(gb) << 1) - 1 : 0;\n }\n break;\n case 2:\n cnt = 6;\n for(j = 0; j < SAMPLES_PER_BAND; j += 3){\n t = get_vlc2(gb, q2_vlc[cnt > 3].table, MPC8_Q2_BITS, 2);\n c->Q[ch][off + j + 0] = mpc8_idx50[t];\n c->Q[ch][off + j + 1] = mpc8_idx51[t];\n c->Q[ch][off + j + 2] = mpc8_idx52[t];\n cnt = (cnt >> 1) + mpc8_huffq2[t];\n }\n break;\n case 3:\n case 4:\n for(j = 0; j < SAMPLES_PER_BAND; j += 2){\n t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3];\n c->Q[ch][off + j + 1] = t >> 4;\n c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF);\n }\n break;\n case 5:\n case 6:\n case 7:\n case 8:\n cnt = 2 * mpc8_thres[res];\n for(j = 0; j < SAMPLES_PER_BAND; j++){\n t = get_vlc2(gb, quant_vlc[res - 5][cnt > mpc8_thres[res]].table, quant_vlc[res - 5][cnt > mpc8_thres[res]].bits, 2) + quant_offsets[res - 5];\n c->Q[ch][off + j] = t;\n cnt = (cnt >> 1) + FFABS(c->Q[ch][off + j]);\n }\n break;\n default:\n for(j = 0; j < SAMPLES_PER_BAND; j++){\n c->Q[ch][off + j] = get_vlc2(gb, q9up_vlc.table, MPC8_Q9UP_BITS, 2);\n if(res != 9){\n c->Q[ch][off + j] <<= res - 9;\n c->Q[ch][off + j] |= get_bits(gb, res - 9);\n }\n c->Q[ch][off + j] -= (1 << (res - 2)) - 1;\n }\n }\n }\n }\n ff_mpc_dequantize_and_synth(c, maxband - 1,\n (int16_t **)c->frame.extended_data,\n avctx->channels);\n c->cur_frame++;\n c->last_bits_used = get_bits_count(gb);\n if(get_bits_left(gb) < 8)\n c->last_bits_used = buf_size << 3;\n if(c->cur_frame >= c->frames)\n c->cur_frame = 0;\n *got_frame_ptr = 1;\n *(AVFrame *)data = c->frame;\n return c->cur_frame ? c->last_bits_used >> 3 : buf_size;\n}', 'static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],\n int bits, int max_depth)\n{\n int code;\n OPEN_READER(re, s);\n UPDATE_CACHE(re, s);\n GET_VLC(code, re, s, table, bits, max_depth);\n CLOSE_READER(re, s);\n return code;\n}', 'static inline unsigned int av_lfg_get(AVLFG *c){\n c->state[c->index & 63] = c->state[(c->index-24) & 63] + c->state[(c->index-55) & 63];\n return c->state[c->index++ & 63];\n}'] |
8,121 | 0 | https://github.com/openssl/openssl/blob/fa9bb6201e1d16ba8ccab938833d140ef81a7f73/crypto/bio/b_addr.c/#L619 | static int addrinfo_wrap(int family, int socktype,
const void *where, size_t wherelen,
unsigned short port,
BIO_ADDRINFO **bai)
{
OPENSSL_assert(bai != NULL);
*bai = OPENSSL_zalloc(sizeof(**bai));
if (*bai == NULL)
return 0;
(*bai)->bai_family = family;
(*bai)->bai_socktype = socktype;
if (socktype == SOCK_STREAM)
(*bai)->bai_protocol = IPPROTO_TCP;
if (socktype == SOCK_DGRAM)
(*bai)->bai_protocol = IPPROTO_UDP;
#ifdef AF_UNIX
if (family == AF_UNIX)
(*bai)->bai_protocol = 0;
#endif
{
BIO_ADDR *addr = BIO_ADDR_new();
if (addr != NULL) {
BIO_ADDR_rawmake(addr, family, where, wherelen, port);
(*bai)->bai_addr = BIO_ADDR_sockaddr_noconst(addr);
}
}
(*bai)->bai_next = NULL;
if ((*bai)->bai_addr == NULL) {
BIO_ADDRINFO_free(*bai);
*bai = NULL;
return 0;
}
return 1;
} | ['static int addrinfo_wrap(int family, int socktype,\n const void *where, size_t wherelen,\n unsigned short port,\n BIO_ADDRINFO **bai)\n{\n OPENSSL_assert(bai != NULL);\n *bai = OPENSSL_zalloc(sizeof(**bai));\n if (*bai == NULL)\n return 0;\n (*bai)->bai_family = family;\n (*bai)->bai_socktype = socktype;\n if (socktype == SOCK_STREAM)\n (*bai)->bai_protocol = IPPROTO_TCP;\n if (socktype == SOCK_DGRAM)\n (*bai)->bai_protocol = IPPROTO_UDP;\n#ifdef AF_UNIX\n if (family == AF_UNIX)\n (*bai)->bai_protocol = 0;\n#endif\n {\n BIO_ADDR *addr = BIO_ADDR_new();\n if (addr != NULL) {\n BIO_ADDR_rawmake(addr, family, where, wherelen, port);\n (*bai)->bai_addr = BIO_ADDR_sockaddr_noconst(addr);\n }\n }\n (*bai)->bai_next = NULL;\n if ((*bai)->bai_addr == NULL) {\n BIO_ADDRINFO_free(*bai);\n *bai = NULL;\n return 0;\n }\n return 1;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}'] |
8,122 | 0 | https://github.com/libav/libav/blob/8ccc1c597534ece9f3710a979b8a3fd6e43220a6/libavfilter/audio.c/#L165 | void ff_default_filter_samples(AVFilterLink *inlink, AVFilterBufferRef *samplesref)
{
AVFilterLink *outlink = NULL;
if (inlink->dst->output_count)
outlink = inlink->dst->outputs[0];
if (outlink) {
outlink->out_buf = ff_default_get_audio_buffer(inlink, AV_PERM_WRITE,
samplesref->audio->nb_samples);
outlink->out_buf->pts = samplesref->pts;
outlink->out_buf->audio->sample_rate = samplesref->audio->sample_rate;
ff_filter_samples(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
avfilter_unref_buffer(outlink->out_buf);
outlink->out_buf = NULL;
}
avfilter_unref_buffer(samplesref);
inlink->cur_buf = NULL;
} | ['void ff_default_filter_samples(AVFilterLink *inlink, AVFilterBufferRef *samplesref)\n{\n AVFilterLink *outlink = NULL;\n if (inlink->dst->output_count)\n outlink = inlink->dst->outputs[0];\n if (outlink) {\n outlink->out_buf = ff_default_get_audio_buffer(inlink, AV_PERM_WRITE,\n samplesref->audio->nb_samples);\n outlink->out_buf->pts = samplesref->pts;\n outlink->out_buf->audio->sample_rate = samplesref->audio->sample_rate;\n ff_filter_samples(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));\n avfilter_unref_buffer(outlink->out_buf);\n outlink->out_buf = NULL;\n }\n avfilter_unref_buffer(samplesref);\n inlink->cur_buf = NULL;\n}', 'AVFilterBufferRef *ff_default_get_audio_buffer(AVFilterLink *link, int perms,\n int nb_samples)\n{\n AVFilterBufferRef *samplesref = NULL;\n uint8_t **data;\n int planar = av_sample_fmt_is_planar(link->format);\n int nb_channels = av_get_channel_layout_nb_channels(link->channel_layout);\n int planes = planar ? nb_channels : 1;\n int linesize;\n if (!(data = av_mallocz(sizeof(*data) * planes)))\n goto fail;\n if (av_samples_alloc(data, &linesize, nb_channels, nb_samples, link->format, 0) < 0)\n goto fail;\n samplesref = avfilter_get_audio_buffer_ref_from_arrays(data, linesize, perms,\n nb_samples, link->format,\n link->channel_layout);\n if (!samplesref)\n goto fail;\n av_freep(&data);\nfail:\n if (data)\n av_freep(&data[0]);\n av_freep(&data);\n return samplesref;\n}', 'int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt)\n{\n if (sample_fmt < 0 || sample_fmt >= AV_SAMPLE_FMT_NB)\n return 0;\n return sample_fmt_info[sample_fmt].planar;\n}', 'int av_get_channel_layout_nb_channels(uint64_t channel_layout)\n{\n int count;\n uint64_t x = channel_layout;\n for (count = 0; x; count++)\n x &= x-1;\n return count;\n}', 'void *av_mallocz(size_t size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n assert(size);\n if (size > (INT_MAX-32) || !size)\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+32);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&31) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,32,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(32,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}', 'void av_freep(void *arg)\n{\n void **ptr= (void**)arg;\n av_free(*ptr);\n *ptr = NULL;\n}', 'void av_free(void *ptr)\n{\n#if CONFIG_MEMALIGN_HACK\n if (ptr)\n free((char*)ptr - ((char*)ptr)[-1]);\n#else\n free(ptr);\n#endif\n}'] |
8,123 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L335 | static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
LOAD_LEFT_EDGE
src[0+0*stride]=(l0 + l1 + 1)>>1;
src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
src[2+0*stride]=
src[0+1*stride]=(l1 + l2 + 1)>>1;
src[3+0*stride]=
src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
src[2+1*stride]=
src[0+2*stride]=(l2 + l3 + 1)>>1;
src[3+1*stride]=
src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
src[3+2*stride]=
src[1+3*stride]=
src[0+3*stride]=
src[2+2*stride]=
src[2+3*stride]=
src[3+3*stride]=l3;
} | ['static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){\n LOAD_LEFT_EDGE\n src[0+0*stride]=(l0 + l1 + 1)>>1;\n src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;\n src[2+0*stride]=\n src[0+1*stride]=(l1 + l2 + 1)>>1;\n src[3+0*stride]=\n src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;\n src[2+1*stride]=\n src[0+2*stride]=(l2 + l3 + 1)>>1;\n src[3+1*stride]=\n src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;\n src[3+2*stride]=\n src[1+3*stride]=\n src[0+3*stride]=\n src[2+2*stride]=\n src[2+3*stride]=\n src[3+3*stride]=l3;\n}'] |
8,124 | 0 | https://gitlab.com/libtiff/libtiff/blob/3c792f726b23dad49d1d29ca5e09c585afd5b171/libtiff/tif_zip.c/#L274 | static int
ZIPEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
{
static const char module[] = "ZIPEncode";
ZIPState *sp = EncoderState(tif);
assert(sp != NULL);
assert(sp->state == ZSTATE_INIT_ENCODE);
(void) s;
sp->stream.next_in = bp;
assert(sizeof(sp->stream.avail_in)==4);
do {
uInt avail_in_before = (uint64)cc <= 0xFFFFFFFFU ? (uInt)cc : 0xFFFFFFFFU;
sp->stream.avail_in = avail_in_before;
if (deflate(&sp->stream, Z_NO_FLUSH) != Z_OK) {
TIFFErrorExt(tif->tif_clientdata, module,
"Encoder error: %s",
SAFE_MSG(sp));
return (0);
}
if (sp->stream.avail_out == 0) {
tif->tif_rawcc = tif->tif_rawdatasize;
TIFFFlushData1(tif);
sp->stream.next_out = tif->tif_rawdata;
sp->stream.avail_out = (uint64)tif->tif_rawdatasize <= 0xFFFFFFFFU ? (uInt)tif->tif_rawdatasize : 0xFFFFFFFFU;
}
cc -= (avail_in_before - sp->stream.avail_in);
} while (cc > 0);
return (1);
} | ['static int\nZIPEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)\n{\n\tstatic const char module[] = "ZIPEncode";\n\tZIPState *sp = EncoderState(tif);\n\tassert(sp != NULL);\n\tassert(sp->state == ZSTATE_INIT_ENCODE);\n\t(void) s;\n\tsp->stream.next_in = bp;\n\tassert(sizeof(sp->stream.avail_in)==4);\n\tdo {\n uInt avail_in_before = (uint64)cc <= 0xFFFFFFFFU ? (uInt)cc : 0xFFFFFFFFU;\n sp->stream.avail_in = avail_in_before;\n\t\tif (deflate(&sp->stream, Z_NO_FLUSH) != Z_OK) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t "Encoder error: %s",\n\t\t\t\t SAFE_MSG(sp));\n\t\t\treturn (0);\n\t\t}\n\t\tif (sp->stream.avail_out == 0) {\n\t\t\ttif->tif_rawcc = tif->tif_rawdatasize;\n\t\t\tTIFFFlushData1(tif);\n\t\t\tsp->stream.next_out = tif->tif_rawdata;\n\t\t\tsp->stream.avail_out = (uint64)tif->tif_rawdatasize <= 0xFFFFFFFFU ? (uInt)tif->tif_rawdatasize : 0xFFFFFFFFU;\n\t\t}\n\t\tcc -= (avail_in_before - sp->stream.avail_in);\n\t} while (cc > 0);\n\treturn (1);\n}'] |
8,125 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,\n BN_GENCB *cb)\n{\n BIGNUM *r0 = NULL, *r1 = NULL, *r2 = NULL, *r3 = NULL, *tmp;\n int bitsp, bitsq, ok = -1, n = 0;\n BN_CTX *ctx = NULL;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n BN_CTX_start(ctx);\n r0 = BN_CTX_get(ctx);\n r1 = BN_CTX_get(ctx);\n r2 = BN_CTX_get(ctx);\n r3 = BN_CTX_get(ctx);\n if (r3 == NULL)\n goto err;\n bitsp = (bits + 1) / 2;\n bitsq = bits - bitsp;\n if (!rsa->n && ((rsa->n = BN_new()) == NULL))\n goto err;\n if (!rsa->d && ((rsa->d = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->e && ((rsa->e = BN_new()) == NULL))\n goto err;\n if (!rsa->p && ((rsa->p = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->q && ((rsa->q = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->dmp1 && ((rsa->dmp1 = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->dmq1 && ((rsa->dmq1 = BN_secure_new()) == NULL))\n goto err;\n if (!rsa->iqmp && ((rsa->iqmp = BN_secure_new()) == NULL))\n goto err;\n BN_copy(rsa->e, e_value);\n for (;;) {\n if (!BN_generate_prime_ex(rsa->p, bitsp, 0, NULL, NULL, cb))\n goto err;\n if (!BN_sub(r2, rsa->p, BN_value_one()))\n goto err;\n if (!BN_gcd(r1, r2, rsa->e, ctx))\n goto err;\n if (BN_is_one(r1))\n break;\n if (!BN_GENCB_call(cb, 2, n++))\n goto err;\n }\n if (!BN_GENCB_call(cb, 3, 0))\n goto err;\n for (;;) {\n unsigned int degenerate = 0;\n do {\n if (!BN_generate_prime_ex(rsa->q, bitsq, 0, NULL, NULL, cb))\n goto err;\n } while ((BN_cmp(rsa->p, rsa->q) == 0) && (++degenerate < 3));\n if (degenerate == 3) {\n ok = 0;\n RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, RSA_R_KEY_SIZE_TOO_SMALL);\n goto err;\n }\n if (!BN_sub(r2, rsa->q, BN_value_one()))\n goto err;\n if (!BN_gcd(r1, r2, rsa->e, ctx))\n goto err;\n if (BN_is_one(r1))\n break;\n if (!BN_GENCB_call(cb, 2, n++))\n goto err;\n }\n if (!BN_GENCB_call(cb, 3, 1))\n goto err;\n if (BN_cmp(rsa->p, rsa->q) < 0) {\n tmp = rsa->p;\n rsa->p = rsa->q;\n rsa->q = tmp;\n }\n if (!BN_mul(rsa->n, rsa->p, rsa->q, ctx))\n goto err;\n if (!BN_sub(r1, rsa->p, BN_value_one()))\n goto err;\n if (!BN_sub(r2, rsa->q, BN_value_one()))\n goto err;\n if (!BN_mul(r0, r1, r2, ctx))\n goto err;\n {\n BIGNUM *local_r0 = NULL, *pr0;\n if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {\n pr0 = local_r0 = BN_new();\n if (local_r0 == NULL)\n goto err;\n BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);\n } else {\n pr0 = r0;\n }\n if (!BN_mod_inverse(rsa->d, rsa->e, pr0, ctx)) {\n BN_free(local_r0);\n goto err;\n }\n BN_free(local_r0);\n }\n {\n BIGNUM *local_d = NULL, *d;\n if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {\n d = local_d = BN_new();\n if (local_d == NULL)\n goto err;\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n } else {\n d = rsa->d;\n }\n if (\n !BN_mod(rsa->dmp1, d, r1, ctx)\n || !BN_mod(rsa->dmq1, d, r2, ctx)) {\n BN_free(local_d);\n goto err;\n }\n BN_free(local_d);\n }\n {\n BIGNUM *local_p = NULL, *p;\n if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {\n p = local_p = BN_new();\n if (local_p == NULL)\n goto err;\n BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);\n } else {\n p = rsa->p;\n }\n if (!BN_mod_inverse(rsa->iqmp, rsa->q, p, ctx)) {\n BN_free(local_p);\n goto err;\n }\n BN_free(local_p);\n }\n ok = 1;\n err:\n if (ok == -1) {\n RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, ERR_LIB_BN);\n ok = 0;\n }\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n return ok;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_gcd(BIGNUM *r, const BIGNUM *in_a, const BIGNUM *in_b, BN_CTX *ctx)\n{\n BIGNUM *a, *b, *t;\n int ret = 0;\n bn_check_top(in_a);\n bn_check_top(in_b);\n BN_CTX_start(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (a == NULL || b == NULL)\n goto err;\n if (BN_copy(a, in_a) == NULL)\n goto err;\n if (BN_copy(b, in_b) == NULL)\n goto err;\n a->neg = 0;\n b->neg = 0;\n if (BN_cmp(a, b) < 0) {\n t = a;\n a = b;\n b = t;\n }\n t = euclid(a, b);\n if (t == NULL)\n goto err;\n if (BN_copy(r, t) == NULL)\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return (ret);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
8,126 | 0 | https://github.com/openssl/openssl/blob/9c4fe782607d8542c5f55ef1b5c687fef1da5d75/crypto/dsa/dsa_asn1.c/#L72 | static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
void *exarg)
{
if(operation == ASN1_OP_NEW_PRE) {
DSA_SIG *sig;
sig = OPENSSL_malloc(sizeof(DSA_SIG));
sig->r = NULL;
sig->s = NULL;
*pval = (ASN1_VALUE *)sig;
if(sig) return 2;
DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);
return 0;
}
return 1;
} | ['static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,\n\t\t\t\t\t\t\t\tvoid *exarg)\n{\n\tif(operation == ASN1_OP_NEW_PRE) {\n\t\tDSA_SIG *sig;\n\t\tsig = OPENSSL_malloc(sizeof(DSA_SIG));\n\t\tsig->r = NULL;\n\t\tsig->s = NULL;\n\t\t*pval = (ASN1_VALUE *)sig;\n\t\tif(sig) return 2;\n\t\tDSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);\n\t\treturn 0;\n\t}\n\treturn 1;\n}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}'] |
8,127 | 1 | https://github.com/libav/libav/blob/ce58ead40dd16f272ec1f127f04f69df67c7cd35/libavcodec/vp8dsp.c/#L213 | static av_always_inline int normal_limit(uint8_t *p, ptrdiff_t stride,
int E, int I)
{
LOAD_PIXELS
return simple_limit(p, stride, E) &&
FFABS(p3 - p2) <= I &&
FFABS(p2 - p1) <= I &&
FFABS(p1 - p0) <= I &&
FFABS(q3 - q2) <= I &&
FFABS(q2 - q1) <= I &&
FFABS(q1 - q0) <= I;
} | ['static av_always_inline int normal_limit(uint8_t *p, ptrdiff_t stride,\n int E, int I)\n{\n LOAD_PIXELS\n return simple_limit(p, stride, E) &&\n FFABS(p3 - p2) <= I &&\n FFABS(p2 - p1) <= I &&\n FFABS(p1 - p0) <= I &&\n FFABS(q3 - q2) <= I &&\n FFABS(q2 - q1) <= I &&\n FFABS(q1 - q0) <= I;\n}'] |
8,128 | 0 | https://github.com/libav/libav/blob/5351964a2b524d1cb70c268c3e9436fd2990429b/libavcodec/mpeg12dec.c/#L494 | static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s,
int16_t *block, int n)
{
int level, i, j, run;
RLTable *rl = &ff_rl_mpeg1;
uint8_t *const scantable = s->intra_scantable.permutated;
const int qscale = s->qscale;
OPEN_READER(re, &s->gb);
i = -1;
UPDATE_CACHE(re, &s->gb);
if (((int32_t) GET_CACHE(re, &s->gb)) < 0) {
level = (3 * qscale) >> 1;
if (GET_CACHE(re, &s->gb) & 0x40000000)
level = -level;
block[0] = level;
i++;
SKIP_BITS(re, &s->gb, 2);
if (((int32_t) GET_CACHE(re, &s->gb)) <= (int32_t) 0xBFFFFFFF)
goto end;
}
for (;;) {
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
if (level != 0) {
i += run;
check_scantable_index(s, i);
j = scantable[i];
level = ((level * 2 + 1) * qscale) >> 1;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) -
SHOW_SBITS(re, &s->gb, 1);
SKIP_BITS(re, &s->gb, 1);
} else {
run = SHOW_UBITS(re, &s->gb, 6) + 1;
LAST_SKIP_BITS(re, &s->gb, 6);
UPDATE_CACHE(re, &s->gb);
level = SHOW_SBITS(re, &s->gb, 12);
SKIP_BITS(re, &s->gb, 12);
i += run;
check_scantable_index(s, i);
j = scantable[i];
if (level < 0) {
level = ((-level * 2 + 1) * qscale) >> 1;
level = -level;
} else {
level = ((level * 2 + 1) * qscale) >> 1;
}
}
block[j] = level;
if (((int32_t) GET_CACHE(re, &s->gb)) <= (int32_t) 0xBFFFFFFF)
break;
UPDATE_CACHE(re, &s->gb);
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
CLOSE_READER(re, &s->gb);
s->block_last_index[n] = i;
return 0;
} | ['static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s,\n int16_t *block, int n)\n{\n int level, i, j, run;\n RLTable *rl = &ff_rl_mpeg1;\n uint8_t *const scantable = s->intra_scantable.permutated;\n const int qscale = s->qscale;\n OPEN_READER(re, &s->gb);\n i = -1;\n UPDATE_CACHE(re, &s->gb);\n if (((int32_t) GET_CACHE(re, &s->gb)) < 0) {\n level = (3 * qscale) >> 1;\n if (GET_CACHE(re, &s->gb) & 0x40000000)\n level = -level;\n block[0] = level;\n i++;\n SKIP_BITS(re, &s->gb, 2);\n if (((int32_t) GET_CACHE(re, &s->gb)) <= (int32_t) 0xBFFFFFFF)\n goto end;\n }\n for (;;) {\n GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);\n if (level != 0) {\n i += run;\n check_scantable_index(s, i);\n j = scantable[i];\n level = ((level * 2 + 1) * qscale) >> 1;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) -\n SHOW_SBITS(re, &s->gb, 1);\n SKIP_BITS(re, &s->gb, 1);\n } else {\n run = SHOW_UBITS(re, &s->gb, 6) + 1;\n LAST_SKIP_BITS(re, &s->gb, 6);\n UPDATE_CACHE(re, &s->gb);\n level = SHOW_SBITS(re, &s->gb, 12);\n SKIP_BITS(re, &s->gb, 12);\n i += run;\n check_scantable_index(s, i);\n j = scantable[i];\n if (level < 0) {\n level = ((-level * 2 + 1) * qscale) >> 1;\n level = -level;\n } else {\n level = ((level * 2 + 1) * qscale) >> 1;\n }\n }\n block[j] = level;\n if (((int32_t) GET_CACHE(re, &s->gb)) <= (int32_t) 0xBFFFFFFF)\n break;\n UPDATE_CACHE(re, &s->gb);\n }\nend:\n LAST_SKIP_BITS(re, &s->gb, 2);\n CLOSE_READER(re, &s->gb);\n s->block_last_index[n] = i;\n return 0;\n}'] |
8,129 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L271 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static int dsa_builtin_keygen(DSA *dsa)\n{\n int ok = 0;\n BN_CTX *ctx = NULL;\n BIGNUM *pub_key = NULL, *priv_key = NULL;\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n if (dsa->priv_key == NULL) {\n if ((priv_key = BN_secure_new()) == NULL)\n goto err;\n } else\n priv_key = dsa->priv_key;\n do\n if (!BN_rand_range(priv_key, dsa->q))\n goto err;\n while (BN_is_zero(priv_key)) ;\n if (dsa->pub_key == NULL) {\n if ((pub_key = BN_new()) == NULL)\n goto err;\n } else\n pub_key = dsa->pub_key;\n {\n BIGNUM *prk = BN_new();\n if (prk == NULL)\n goto err;\n BN_with_flags(prk, priv_key, BN_FLG_CONSTTIME);\n if (!BN_mod_exp(pub_key, dsa->g, prk, dsa->p, ctx)) {\n BN_free(prk);\n goto err;\n }\n BN_free(prk);\n }\n dsa->priv_key = priv_key;\n dsa->pub_key = pub_key;\n ok = 1;\n err:\n if (pub_key != dsa->pub_key)\n BN_free(pub_key);\n if (priv_key != dsa->priv_key)\n BN_free(priv_key);\n BN_CTX_free(ctx);\n return (ok);\n}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n BN_CTX *ctx)\n{\n int ret;\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n if (BN_is_odd(m)) {\n# ifdef MONT_EXP_WORD\n if (a->top == 1 && !a->neg\n && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)) {\n BN_ULONG A = a->d[0];\n ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);\n } else\n# endif\n ret = BN_mod_exp_mont(r, a, p, m, ctx, NULL);\n } else\n#endif\n#ifdef RECP_MUL_MOD\n {\n ret = BN_mod_exp_recp(r, a, p, m, ctx);\n }\n#else\n {\n ret = BN_mod_exp_simple(r, a, p, m, ctx);\n }\n#endif\n bn_check_top(r);\n return (ret);\n}', 'int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n BN_MONT_CTX *mont = NULL;\n int b, bits, ret = 0;\n int r_is_one;\n BN_ULONG w, next_w;\n BIGNUM *d, *r, *t;\n BIGNUM *swap_tmp;\n#define BN_MOD_MUL_WORD(r, w, m) \\\n (BN_mul_word(r, (w)) && \\\n ( \\\n (BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1))))\n#define BN_TO_MONTGOMERY_WORD(r, w, mont) \\\n (BN_set_word(r, (w)) && BN_to_montgomery(r, r, (mont), ctx))\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_WORD, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n if (m->top == 1)\n a %= m->d[0];\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n if (a == 0) {\n BN_zero(rr);\n ret = 1;\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n t = BN_CTX_get(ctx);\n if (d == NULL || r == NULL || t == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n r_is_one = 1;\n w = a;\n for (b = bits - 2; b >= 0; b--) {\n next_w = w * w;\n if ((next_w / w) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = 1;\n }\n w = next_w;\n if (!r_is_one) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (BN_is_bit_set(p, b)) {\n next_w = w * a;\n if ((next_w / a) != w) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n next_w = a;\n }\n w = next_w;\n }\n }\n if (w != 1) {\n if (r_is_one) {\n if (!BN_TO_MONTGOMERY_WORD(r, w, mont))\n goto err;\n r_is_one = 0;\n } else {\n if (!BN_MOD_MUL_WORD(r, w, m))\n goto err;\n }\n }\n if (r_is_one) {\n if (!BN_one(rr))\n goto err;\n } else {\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n }\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return (ret);\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
8,130 | 0 | https://gitlab.com/libtiff/libtiff/blob/574447a0b041f3ab8d38aaec2b2d58b7f5dfb2f1/libtiff/tif_read.c/#L1006 | static int
TIFFStartTile(TIFF* tif, uint32 tile)
{
static const char module[] = "TIFFStartTile";
TIFFDirectory *td = &tif->tif_dir;
uint32 howmany32;
if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
return 0;
if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
if (!(*tif->tif_setupdecode)(tif))
return (0);
tif->tif_flags |= TIFF_CODERSETUP;
}
tif->tif_curtile = tile;
howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);
if (howmany32 == 0) {
TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
return 0;
}
tif->tif_row = (tile % howmany32) * td->td_tilelength;
howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength);
if (howmany32 == 0) {
TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
return 0;
}
tif->tif_col = (tile % howmany32) * td->td_tilewidth;
tif->tif_flags &= ~TIFF_BUF4WRITE;
if (tif->tif_flags&TIFF_NOREADRAW)
{
tif->tif_rawcp = NULL;
tif->tif_rawcc = 0;
}
else
{
tif->tif_rawcp = tif->tif_rawdata;
tif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile];
}
return ((*tif->tif_predecode)(tif,
(uint16)(tile/td->td_stripsperimage)));
} | ['tsize_t t2p_write_pdf(T2P* t2p, TIFF* input, TIFF* output){\n\ttsize_t written=0;\n\tttile_t i2=0;\n\ttsize_t streamlen=0;\n\tuint16 i=0;\n\tt2p_read_tiff_init(t2p, input);\n\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\tt2p->pdf_xrefoffsets= (uint32*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_xrefcount,sizeof(uint32)) );\n\tif(t2p->pdf_xrefoffsets==NULL){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Can\'t allocate %u bytes of memory for t2p_write_pdf",\n\t\t\t(unsigned int) (t2p->pdf_xrefcount * sizeof(uint32)) );\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn(written);\n\t}\n\tt2p->pdf_xrefcount=0;\n\tt2p->pdf_catalog=1;\n\tt2p->pdf_info=2;\n\tt2p->pdf_pages=3;\n\twritten += t2p_write_pdf_header(t2p, output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_catalog=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_catalog(t2p, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_info=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_info(t2p, input, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_pages=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_pages(t2p, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tfor(t2p->pdf_page=0;t2p->pdf_page<t2p->tiff_pagecount;t2p->pdf_page++){\n\t\tt2p_read_tiff_data(t2p, input);\n\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_page(t2p->pdf_xrefcount, t2p, output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\twritten += t2p_write_pdf_stream_dict(0, t2p->pdf_xrefcount+1, output);\n\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\twritten += t2p_write_pdf_stream_start(output);\n\t\tstreamlen=written;\n\t\twritten += t2p_write_pdf_page_content_stream(t2p, output);\n\t\tstreamlen=written-streamlen;\n\t\twritten += t2p_write_pdf_stream_end(output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tif(t2p->tiff_transferfunctioncount != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_transfer(t2p, output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\tfor(i=0; i < t2p->tiff_transferfunctioncount; i++){\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\t\twritten += t2p_write_pdf_transfer_dict(t2p, output, i);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\t\twritten += t2p_write_pdf_transfer_stream(t2p, output, i);\n\t\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t}\n\t\t}\n\t\tif( (t2p->pdf_colorspace & T2P_CS_PALETTE) != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\tt2p->pdf_palettecs=t2p->pdf_xrefcount;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_stream_dict(t2p->pdf_palettesize, 0, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_palettecs_stream(t2p, output);\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t\tif( (t2p->pdf_colorspace & T2P_CS_ICCBASED) != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\tt2p->pdf_icccs=t2p->pdf_xrefcount;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_icccs_dict(t2p, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_icccs_stream(t2p, output);\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t\tif(t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount !=0){\n\t\t\tfor(i2=0;i2<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount;i2++){\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\t\twritten += t2p_write_pdf_xobject_stream_dict(\n\t\t\t\t\ti2+1,\n\t\t\t\t\tt2p,\n\t\t\t\t\toutput);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\t\tstreamlen=written;\n\t\t\t\tt2p_read_tiff_size_tile(t2p, input, i2);\n\t\t\t\twritten += t2p_readwrite_pdf_image_tile(t2p, input, output, i2);\n\t\t\t\tt2p_write_advance_directory(t2p, output);\n\t\t\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\t\t\tstreamlen=written-streamlen;\n\t\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t}\n\t\t} else {\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_stream_dict(\n\t\t\t\t0,\n\t\t\t\tt2p,\n\t\t\t\toutput);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\tstreamlen=written;\n\t\t\tt2p_read_tiff_size(t2p, input);\n\t\t\twritten += t2p_readwrite_pdf_image(t2p, input, output);\n\t\t\tt2p_write_advance_directory(t2p, output);\n\t\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\t\tstreamlen=written-streamlen;\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t}\n\tt2p->pdf_startxref = written;\n\twritten += t2p_write_pdf_xreftable(t2p, output);\n\twritten += t2p_write_pdf_trailer(t2p, output);\n\tt2p_disable(output);\n\treturn(written);\n}', 'void t2p_read_tiff_data(T2P* t2p, TIFF* input){\n\tint i=0;\n\tuint16* r;\n\tuint16* g;\n\tuint16* b;\n\tuint16* a;\n\tuint16 xuint16;\n\tuint16* xuint16p;\n\tfloat* xfloatp;\n\tt2p->pdf_transcode = T2P_TRANSCODE_ENCODE;\n\tt2p->pdf_sample = T2P_SAMPLE_NOTHING;\n t2p->pdf_switchdecode = t2p->pdf_colorspace_invert;\n\tTIFFSetDirectory(input, t2p->tiff_pages[t2p->pdf_page].page_directory);\n\tTIFFGetField(input, TIFFTAG_IMAGEWIDTH, &(t2p->tiff_width));\n\tif(t2p->tiff_width == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with zero width",\n\t\t\tTIFFFileName(input)\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tTIFFGetField(input, TIFFTAG_IMAGELENGTH, &(t2p->tiff_length));\n\tif(t2p->tiff_length == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with zero length",\n\t\t\tTIFFFileName(input)\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n if(TIFFGetField(input, TIFFTAG_COMPRESSION, &(t2p->tiff_compression)) == 0){\n TIFFError(\n TIFF2PDF_MODULE,\n "No support for %s with no compression tag",\n TIFFFileName(input) );\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n if( TIFFIsCODECConfigured(t2p->tiff_compression) == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with compression type %u: not configured",\n\t\t\tTIFFFileName(input),\n\t\t\tt2p->tiff_compression\n\t\t\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_BITSPERSAMPLE, &(t2p->tiff_bitspersample));\n\tswitch(t2p->tiff_bitspersample){\n\t\tcase 1:\n\t\tcase 2:\n\t\tcase 4:\n\t\tcase 8:\n\t\t\tbreak;\n\t\tcase 0:\n\t\t\tTIFFWarning(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"Image %s has 0 bits per sample, assuming 1",\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->tiff_bitspersample=1;\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with %u bits per sample",\n\t\t\t\tTIFFFileName(input),\n\t\t\t\tt2p->tiff_bitspersample);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_SAMPLESPERPIXEL, &(t2p->tiff_samplesperpixel));\n\tif(t2p->tiff_samplesperpixel>4){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with %u samples per pixel",\n\t\t\tTIFFFileName(input),\n\t\t\tt2p->tiff_samplesperpixel);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tif(t2p->tiff_samplesperpixel==0){\n\t\tTIFFWarning(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Image %s has 0 samples per pixel, assuming 1",\n\t\t\tTIFFFileName(input));\n\t\tt2p->tiff_samplesperpixel=1;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_SAMPLEFORMAT, &xuint16) != 0 ){\n\t\tswitch(xuint16){\n\t\t\tcase 0:\n\t\t\tcase 1:\n\t\t\tcase 4:\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s with sample format %u",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\txuint16);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t\tbreak;\n\t\t}\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_FILLORDER, &(t2p->tiff_fillorder));\n if(TIFFGetField(input, TIFFTAG_PHOTOMETRIC, &(t2p->tiff_photometric)) == 0){\n TIFFError(\n TIFF2PDF_MODULE,\n "No support for %s with no photometric interpretation tag",\n TIFFFileName(input) );\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\tswitch(t2p->tiff_photometric){\n\t\tcase PHOTOMETRIC_MINISWHITE:\n\t\tcase PHOTOMETRIC_MINISBLACK:\n\t\t\tif (t2p->tiff_bitspersample==1){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_BILEVEL;\n\t\t\t\tif(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_GRAY;\n\t\t\t\tif(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_RGB:\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB;\n\t\t\tif(t2p->tiff_samplesperpixel == 3){\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){\n\t\t\t\tif(xuint16==1)\n\t\t\t\t\tgoto photometric_palette;\n\t\t\t}\n\t\t\tif(t2p->tiff_samplesperpixel > 3) {\n\t\t\t\tif(t2p->tiff_samplesperpixel == 4) {\n\t\t\t\t\tt2p->pdf_colorspace = T2P_CS_RGB;\n\t\t\t\t\tif(TIFFGetField(input,\n\t\t\t\t\t\t\tTIFFTAG_EXTRASAMPLES,\n\t\t\t\t\t\t\t&xuint16, &xuint16p)\n\t\t\t\t\t && xuint16 == 1) {\n\t\t\t\t\t\tif(xuint16p[0] == EXTRASAMPLE_ASSOCALPHA){\n\t\t\t\t\t\t\tif( t2p->tiff_bitspersample != 8 )\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t TIFFError(\n\t\t\t\t\t\t\t\t TIFF2PDF_MODULE,\n\t\t\t\t\t\t\t\t "No support for BitsPerSample=%d for RGBA",\n\t\t\t\t\t\t\t\t t2p->tiff_bitspersample);\n\t\t\t\t\t\t\t t2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\t\t\t return;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_RGBAA_TO_RGB;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif(xuint16p[0] == EXTRASAMPLE_UNASSALPHA){\n\t\t\t\t\t\t\tif( t2p->tiff_bitspersample != 8 )\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t TIFFError(\n\t\t\t\t\t\t\t\t TIFF2PDF_MODULE,\n\t\t\t\t\t\t\t\t "No support for BitsPerSample=%d for RGBA",\n\t\t\t\t\t\t\t\t t2p->tiff_bitspersample);\n\t\t\t\t\t\t\t t2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\t\t\t return;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_RGBA_TO_RGB;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tTIFFWarning(\n\t\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t\t"RGB image %s has 4 samples per pixel, assuming RGBA",\n\t\t\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK;\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t\tTIFFWarning(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"RGB image %s has 4 samples per pixel, assuming inverse CMYK",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\tbreak;\n\t\t\t\t} else {\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for RGB image %s with %u samples per pixel",\n\t\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for RGB image %s with %u samples per pixel",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tcase PHOTOMETRIC_PALETTE:\n\t\t\tphotometric_palette:\n\t\t\tif(t2p->tiff_samplesperpixel!=1){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for palettized image %s with not one sample per pixel",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB | T2P_CS_PALETTE;\n\t\t\tt2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;\n\t\t\tif(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b)){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Palettized image %s has no color map",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif(t2p->pdf_palette != NULL){\n\t\t\t\t_TIFFfree(t2p->pdf_palette);\n\t\t\t\tt2p->pdf_palette=NULL;\n\t\t\t}\n\t\t\tt2p->pdf_palette = (unsigned char*)\n\t\t\t\t_TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_palettesize,3));\n\t\t\tif(t2p->pdf_palette==NULL){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %u bytes of memory for t2p_read_tiff_image, %s",\n\t\t\t\t\tt2p->pdf_palettesize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tfor(i=0;i<t2p->pdf_palettesize;i++){\n\t\t\t\tt2p->pdf_palette[(i*3)] = (unsigned char) (r[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*3)+1]= (unsigned char) (g[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*3)+2]= (unsigned char) (b[i]>>8);\n\t\t\t}\n\t\t\tt2p->pdf_palettesize *= 3;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_SEPARATED:\n\t\t\tif(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){\n\t\t\t\tif(xuint16==1){\n\t\t\t\t\t\tgoto photometric_palette_cmyk;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif( TIFFGetField(input, TIFFTAG_INKSET, &xuint16) ){\n\t\t\t\tif(xuint16 != INKSET_CMYK){\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for %s because its inkset is not CMYK",\n\t\t\t\t\t\tTIFFFileName(input) );\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(t2p->tiff_samplesperpixel==4){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK;\n\t\t\t} else {\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s because it has %u samples per pixel",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tbreak;\n\t\t\tphotometric_palette_cmyk:\n\t\t\tif(t2p->tiff_samplesperpixel!=1){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for palettized CMYK image %s with not one sample per pixel",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK | T2P_CS_PALETTE;\n\t\t\tt2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;\n\t\t\tif(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b, &a)){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Palettized image %s has no color map",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif(t2p->pdf_palette != NULL){\n\t\t\t\t_TIFFfree(t2p->pdf_palette);\n\t\t\t\tt2p->pdf_palette=NULL;\n\t\t\t}\n\t\t\tt2p->pdf_palette = (unsigned char*)\n\t\t\t\t_TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_palettesize,4));\n\t\t\tif(t2p->pdf_palette==NULL){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %u bytes of memory for t2p_read_tiff_image, %s",\n\t\t\t\t\tt2p->pdf_palettesize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tfor(i=0;i<t2p->pdf_palettesize;i++){\n\t\t\t\tt2p->pdf_palette[(i*4)] = (unsigned char) (r[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+1]= (unsigned char) (g[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+2]= (unsigned char) (b[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+3]= (unsigned char) (a[i]>>8);\n\t\t\t}\n\t\t\tt2p->pdf_palettesize *= 4;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_YCBCR:\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB;\n\t\t\tif(t2p->tiff_samplesperpixel==1){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_GRAY;\n\t\t\t\tt2p->tiff_photometric=PHOTOMETRIC_MINISBLACK;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_YCBCR_TO_RGB;\n#ifdef JPEG_SUPPORT\n\t\t\tif(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){\n\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_NOTHING;\n\t\t\t}\n#endif\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_CIELAB:\n if( t2p->tiff_samplesperpixel != 3){\n TIFFError(\n TIFF2PDF_MODULE,\n "Unsupported samplesperpixel = %d for CIELAB",\n t2p->tiff_samplesperpixel);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n if( t2p->tiff_bitspersample != 8){\n TIFFError(\n TIFF2PDF_MODULE,\n "Invalid bitspersample = %d for CIELAB",\n t2p->tiff_bitspersample);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\t\t\tt2p->pdf_labrange[0]= -127;\n\t\t\tt2p->pdf_labrange[1]= 127;\n\t\t\tt2p->pdf_labrange[2]= -127;\n\t\t\tt2p->pdf_labrange[3]= 127;\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_ICCLAB:\n\t\t\tt2p->pdf_labrange[0]= 0;\n\t\t\tt2p->pdf_labrange[1]= 255;\n\t\t\tt2p->pdf_labrange[2]= 0;\n\t\t\tt2p->pdf_labrange[3]= 255;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_ITULAB:\n if( t2p->tiff_samplesperpixel != 3){\n TIFFError(\n TIFF2PDF_MODULE,\n "Unsupported samplesperpixel = %d for ITULAB",\n t2p->tiff_samplesperpixel);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n if( t2p->tiff_bitspersample != 8){\n TIFFError(\n TIFF2PDF_MODULE,\n "Invalid bitspersample = %d for ITULAB",\n t2p->tiff_bitspersample);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\t\t\tt2p->pdf_labrange[0]=-85;\n\t\t\tt2p->pdf_labrange[1]=85;\n\t\t\tt2p->pdf_labrange[2]=-75;\n\t\t\tt2p->pdf_labrange[3]=124;\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_LOGL:\n\t\tcase PHOTOMETRIC_LOGLUV:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with photometric interpretation LogL/LogLuv",\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t\tdefault:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with photometric interpretation %u",\n\t\t\t\tTIFFFileName(input),\n\t\t\t\tt2p->tiff_photometric);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_PLANARCONFIG, &(t2p->tiff_planar))){\n\t\tswitch(t2p->tiff_planar){\n\t\t\tcase 0:\n\t\t\t\tTIFFWarning(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Image %s has planar configuration 0, assuming 1",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->tiff_planar=PLANARCONFIG_CONTIG;\n\t\t\tcase PLANARCONFIG_CONTIG:\n\t\t\t\tbreak;\n\t\t\tcase PLANARCONFIG_SEPARATE:\n\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_PLANAR_SEPARATE_TO_CONTIG;\n\t\t\t\tif(t2p->tiff_bitspersample!=8){\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for %s with separated planar configuration and %u bits per sample",\n\t\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\t\tt2p->tiff_bitspersample);\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s with planar configuration %u",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_planar);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t}\n\t}\n TIFFGetFieldDefaulted(input, TIFFTAG_ORIENTATION,\n &(t2p->tiff_orientation));\n if(t2p->tiff_orientation>8){\n TIFFWarning(TIFF2PDF_MODULE,\n "Image %s has orientation %u, assuming 0",\n TIFFFileName(input), t2p->tiff_orientation);\n t2p->tiff_orientation=0;\n }\n if(TIFFGetField(input, TIFFTAG_XRESOLUTION, &(t2p->tiff_xres) ) == 0){\n t2p->tiff_xres=0.0;\n }\n if(TIFFGetField(input, TIFFTAG_YRESOLUTION, &(t2p->tiff_yres) ) == 0){\n t2p->tiff_yres=0.0;\n }\n\tTIFFGetFieldDefaulted(input, TIFFTAG_RESOLUTIONUNIT,\n\t\t\t &(t2p->tiff_resunit));\n\tif(t2p->tiff_resunit == RESUNIT_CENTIMETER) {\n\t\tt2p->tiff_xres *= 2.54F;\n\t\tt2p->tiff_yres *= 2.54F;\n\t} else if (t2p->tiff_resunit != RESUNIT_INCH\n\t\t && t2p->pdf_centimeters != 0) {\n\t\tt2p->tiff_xres *= 2.54F;\n\t\tt2p->tiff_yres *= 2.54F;\n\t}\n\tt2p_compose_pdf_page(t2p);\n if( t2p->t2p_error == T2P_ERR_ERROR )\n\t return;\n\tt2p->pdf_transcode = T2P_TRANSCODE_ENCODE;\n\tif(t2p->pdf_nopassthrough==0){\n#ifdef CCITT_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_CCITTFAX4\n\t\t\t){\n\t\t\tif(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){\n\t\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\t\tt2p->pdf_compression=T2P_COMPRESS_G4;\n\t\t\t}\n\t\t}\n#endif\n#ifdef ZIP_SUPPORT\n\t\tif(t2p->tiff_compression== COMPRESSION_ADOBE_DEFLATE\n\t\t\t|| t2p->tiff_compression==COMPRESSION_DEFLATE){\n\t\t\tif(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){\n\t\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\t\tt2p->pdf_compression=T2P_COMPRESS_ZIP;\n\t\t\t}\n\t\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_OJPEG){\n\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\tt2p->pdf_compression=T2P_COMPRESS_JPEG;\n\t\t\tt2p_process_ojpeg_tables(t2p, input);\n\t\t}\n#endif\n#ifdef JPEG_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_JPEG){\n\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\tt2p->pdf_compression=T2P_COMPRESS_JPEG;\n\t\t}\n#endif\n\t\t(void)0;\n\t}\n\tif(t2p->pdf_transcode!=T2P_TRANSCODE_RAW){\n\t\tt2p->pdf_compression = t2p->pdf_defaultcompression;\n\t}\n#ifdef JPEG_SUPPORT\n\tif(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){\n\t\tif(t2p->pdf_colorspace & T2P_CS_PALETTE){\n\t\t\tt2p->pdf_sample|=T2P_SAMPLE_REALIZE_PALETTE;\n\t\t\tt2p->pdf_colorspace ^= T2P_CS_PALETTE;\n\t\t\tt2p->tiff_pages[t2p->pdf_page].page_extra--;\n\t\t}\n\t}\n\tif(t2p->tiff_compression==COMPRESSION_JPEG){\n\t\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with JPEG compression and separated planar configuration",\n\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\tif(t2p->tiff_compression==COMPRESSION_OJPEG){\n\t\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with OJPEG compression and separated planar configuration",\n\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n\tif(t2p->pdf_sample & T2P_SAMPLE_REALIZE_PALETTE){\n\t\tif(t2p->pdf_colorspace & T2P_CS_CMYK){\n\t\t\tt2p->tiff_samplesperpixel=4;\n\t\t\tt2p->tiff_photometric=PHOTOMETRIC_SEPARATED;\n\t\t} else {\n\t\t\tt2p->tiff_samplesperpixel=3;\n\t\t\tt2p->tiff_photometric=PHOTOMETRIC_RGB;\n\t\t}\n\t}\n\tif (TIFFGetField(input, TIFFTAG_TRANSFERFUNCTION,\n\t\t\t &(t2p->tiff_transferfunction[0]),\n\t\t\t &(t2p->tiff_transferfunction[1]),\n\t\t\t &(t2p->tiff_transferfunction[2]))) {\n\t\tif((t2p->tiff_transferfunction[1] != (float*) NULL) &&\n (t2p->tiff_transferfunction[2] != (float*) NULL) &&\n (t2p->tiff_transferfunction[1] !=\n t2p->tiff_transferfunction[0])) {\n\t\t\tt2p->tiff_transferfunctioncount=3;\n\t\t} else {\n\t\t\tt2p->tiff_transferfunctioncount=1;\n\t\t}\n\t} else {\n\t\tt2p->tiff_transferfunctioncount=0;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp)!=0){\n\t\tt2p->tiff_whitechromaticities[0]=xfloatp[0];\n\t\tt2p->tiff_whitechromaticities[1]=xfloatp[1];\n\t\tif(t2p->pdf_colorspace & T2P_CS_GRAY){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALGRAY;\n\t\t}\n\t\tif(t2p->pdf_colorspace & T2P_CS_RGB){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALRGB;\n\t\t}\n\t}\n\tif(TIFFGetField(input, TIFFTAG_PRIMARYCHROMATICITIES, &xfloatp)!=0){\n\t\tt2p->tiff_primarychromaticities[0]=xfloatp[0];\n\t\tt2p->tiff_primarychromaticities[1]=xfloatp[1];\n\t\tt2p->tiff_primarychromaticities[2]=xfloatp[2];\n\t\tt2p->tiff_primarychromaticities[3]=xfloatp[3];\n\t\tt2p->tiff_primarychromaticities[4]=xfloatp[4];\n\t\tt2p->tiff_primarychromaticities[5]=xfloatp[5];\n\t\tif(t2p->pdf_colorspace & T2P_CS_RGB){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALRGB;\n\t\t}\n\t}\n\tif(t2p->pdf_colorspace & T2P_CS_LAB){\n\t\tif(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp) != 0){\n\t\t\tt2p->tiff_whitechromaticities[0]=xfloatp[0];\n\t\t\tt2p->tiff_whitechromaticities[1]=xfloatp[1];\n\t\t} else {\n\t\t\tt2p->tiff_whitechromaticities[0]=0.3457F;\n\t\t\tt2p->tiff_whitechromaticities[1]=0.3585F;\n\t\t}\n\t}\n\tif(TIFFGetField(input,\n\t\tTIFFTAG_ICCPROFILE,\n\t\t&(t2p->tiff_iccprofilelength),\n\t\t&(t2p->tiff_iccprofile))!=0){\n\t\tt2p->pdf_colorspace |= T2P_CS_ICCBASED;\n\t} else {\n\t\tt2p->tiff_iccprofilelength=0;\n\t\tt2p->tiff_iccprofile=NULL;\n\t}\n#ifdef CCITT_SUPPORT\n\tif( t2p->tiff_bitspersample==1 &&\n\t\tt2p->tiff_samplesperpixel==1){\n\t\tt2p->pdf_compression = T2P_COMPRESS_G4;\n\t}\n#endif\n\treturn;\n}', 'int\nTIFFSetDirectory(TIFF* tif, uint16 dirn)\n{\n\tuint64 nextdir;\n\tuint16 n;\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\tnextdir = tif->tif_header.classic.tiff_diroff;\n\telse\n\t\tnextdir = tif->tif_header.big.tiff_diroff;\n\tfor (n = dirn; n > 0 && nextdir != 0; n--)\n\t\tif (!TIFFAdvanceDirectory(tif, &nextdir, NULL))\n\t\t\treturn (0);\n\ttif->tif_nextdiroff = nextdir;\n\ttif->tif_curdir = (dirn - n) - 1;\n\ttif->tif_dirnumber = 0;\n\treturn (TIFFReadDirectory(tif));\n}', 'void t2p_read_tiff_size_tile(T2P* t2p, TIFF* input, ttile_t tile){\n\tuint64* tbc = NULL;\n\tuint16 edge=0;\n#ifdef JPEG_SUPPORT\n\tunsigned char* jpt;\n#endif\n uint64 k;\n\tedge |= t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile);\n\tedge |= t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile);\n\tif(t2p->pdf_transcode==T2P_TRANSCODE_RAW){\n\t\tif(edge\n#if defined(JPEG_SUPPORT) || defined(OJPEG_SUPPORT)\n\t\t&& !(t2p->pdf_compression==T2P_COMPRESS_JPEG)\n#endif\n\t\t){\n\t\t\tt2p->tiff_datasize=TIFFTileSize(input);\n\t\t\tif (t2p->tiff_datasize == 0) {\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t}\n\t\t\treturn;\n\t\t} else {\n\t\t\tTIFFGetField(input, TIFFTAG_TILEBYTECOUNTS, &tbc);\n\t\t\tk=tbc[tile];\n#ifdef OJPEG_SUPPORT\n\t\t\tif(t2p->tiff_compression==COMPRESSION_OJPEG){\n\t\t\t \tk = checkAdd64(k, 2048, t2p);\n\t\t\t}\n#endif\n#ifdef JPEG_SUPPORT\n\t\t\tif(t2p->tiff_compression==COMPRESSION_JPEG) {\n\t\t\t\tuint32 count = 0;\n\t\t\t\tif(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt)!=0){\n\t\t\t\t\tif(count > 4){\n\t\t\t\t\t\tk = checkAdd64(k, count, t2p);\n\t\t\t\t\t\tk -= 2;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n#endif\n\t\t\tt2p->tiff_datasize = (tsize_t) k;\n\t\t\tif ((uint64) t2p->tiff_datasize != k) {\n\t\t\t\tTIFFError(TIFF2PDF_MODULE, "Integer overflow");\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t}\n\t\t\treturn;\n\t\t}\n\t}\n\tk = TIFFTileSize(input);\n\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\tk = checkMultiply64(k, t2p->tiff_samplesperpixel, t2p);\n\t}\n\tif (k == 0) {\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t}\n\tt2p->tiff_datasize = (tsize_t) k;\n\tif ((uint64) t2p->tiff_datasize != k) {\n\t\tTIFFError(TIFF2PDF_MODULE, "Integer overflow");\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t}\n\treturn;\n}', 'tsize_t t2p_readwrite_pdf_image_tile(T2P* t2p, TIFF* input, TIFF* output, ttile_t tile){\n\tuint16 edge=0;\n\ttsize_t written=0;\n\tunsigned char* buffer=NULL;\n\ttsize_t bufferoffset=0;\n\tunsigned char* samplebuffer=NULL;\n\ttsize_t samplebufferoffset=0;\n\ttsize_t read=0;\n\tuint16 i=0;\n\tttile_t tilecount=0;\n\tttile_t septilecount=0;\n\ttsize_t septilesize=0;\n#ifdef JPEG_SUPPORT\n\tunsigned char* jpt;\n\tfloat* xfloatp;\n\tuint32 xuint32=0;\n#endif\n\tif (t2p->t2p_error != T2P_ERR_OK)\n\t\treturn(0);\n\tedge |= t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile);\n\tedge |= t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile);\n\tif( (t2p->pdf_transcode == T2P_TRANSCODE_RAW) && ((edge == 0)\n#if defined(JPEG_SUPPORT) || defined(OJPEG_SUPPORT)\n\t\t|| (t2p->pdf_compression == T2P_COMPRESS_JPEG)\n#endif\n\t)\n\t){\n#ifdef CCITT_SUPPORT\n\t\tif(t2p->pdf_compression == T2P_COMPRESS_G4){\n\t\t\tbuffer= (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tTIFFReadRawTile(input, tile, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\tif (t2p->tiff_fillorder==FILLORDER_LSB2MSB){\n\t\t\t\t\tTIFFReverseBits(buffer, t2p->tiff_datasize);\n\t\t\t}\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(t2p->tiff_datasize);\n\t\t}\n#endif\n#ifdef ZIP_SUPPORT\n\t\tif(t2p->pdf_compression == T2P_COMPRESS_ZIP){\n\t\t\tbuffer= (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tTIFFReadRawTile(input, tile, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\tif (t2p->tiff_fillorder==FILLORDER_LSB2MSB){\n\t\t\t\t\tTIFFReverseBits(buffer, t2p->tiff_datasize);\n\t\t\t}\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, t2p->tiff_datasize);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(t2p->tiff_datasize);\n\t\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\t\tif(t2p->tiff_compression == COMPRESSION_OJPEG){\n\t\t\tif(! t2p->pdf_ojpegdata){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"No support for OJPEG image %s with "\n "bad tables",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tbuffer=(unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\t_TIFFmemcpy(buffer, t2p->pdf_ojpegdata, t2p->pdf_ojpegdatalength);\n\t\t\tif(edge!=0){\n\t\t\t\tif(t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile)){\n\t\t\t\t\tbuffer[7]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength >> 8) & 0xff;\n\t\t\t\t\tbuffer[8]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength ) & 0xff;\n\t\t\t\t}\n\t\t\t\tif(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile)){\n\t\t\t\t\tbuffer[9]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth >> 8) & 0xff;\n\t\t\t\t\tbuffer[10]=\n\t\t\t\t\t\t(t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth ) & 0xff;\n\t\t\t\t}\n\t\t\t}\n\t\t\tbufferoffset=t2p->pdf_ojpegdatalength;\n\t\t\tbufferoffset+=TIFFReadRawTile(input,\n\t\t\t\t\ttile,\n\t\t\t\t\t(tdata_t) &(((unsigned char*)buffer)[bufferoffset]),\n\t\t\t\t\t-1);\n\t\t\t((unsigned char*)buffer)[bufferoffset++]=0xff;\n\t\t\t((unsigned char*)buffer)[bufferoffset++]=0xd9;\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, bufferoffset);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(bufferoffset);\n\t\t}\n#endif\n#ifdef JPEG_SUPPORT\n\t\tif(t2p->tiff_compression == COMPRESSION_JPEG){\n\t\t\tunsigned char table_end[2];\n\t\t\tuint32 count = 0;\n\t\t\tbuffer= (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\tt2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0) {\n\t\t\t\tif (count > 0) {\n\t\t\t\t\t_TIFFmemcpy(buffer, jpt, count);\n\t\t\t\t\tbufferoffset += count - 2;\n\t\t\t\t\ttable_end[0] = buffer[bufferoffset-2];\n\t\t\t\t\ttable_end[1] = buffer[bufferoffset-1];\n\t\t\t\t}\n\t\t\t\tif (count > 0) {\n\t\t\t\t\txuint32 = bufferoffset;\n\t\t\t\t\tbufferoffset += TIFFReadRawTile(\n\t\t\t\t\t\tinput,\n\t\t\t\t\t\ttile,\n\t\t\t\t\t\t(tdata_t) &(((unsigned char*)buffer)[bufferoffset-2]),\n\t\t\t\t\t\t-1);\n\t\t\t\t\t\tbuffer[xuint32-2]=table_end[0];\n\t\t\t\t\t\tbuffer[xuint32-1]=table_end[1];\n\t\t\t\t} else {\n\t\t\t\t\tbufferoffset += TIFFReadRawTile(\n\t\t\t\t\t\tinput,\n\t\t\t\t\t\ttile,\n\t\t\t\t\t\t(tdata_t) &(((unsigned char*)buffer)[bufferoffset]),\n\t\t\t\t\t\t-1);\n\t\t\t\t}\n\t\t\t}\n\t\t\tt2pWriteFile(output, (tdata_t) buffer, bufferoffset);\n\t\t\t_TIFFfree(buffer);\n\t\t\treturn(bufferoffset);\n\t\t}\n#endif\n\t\t(void)0;\n\t}\n\tif(t2p->pdf_sample==T2P_SAMPLE_NOTHING){\n\t\tbuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\tif(buffer==NULL){\n\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t"Can\'t allocate %lu bytes of memory for "\n "t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn(0);\n\t\t}\n\t\tread = TIFFReadEncodedTile(\n\t\t\tinput,\n\t\t\ttile,\n\t\t\t(tdata_t) &buffer[bufferoffset],\n\t\t\tt2p->tiff_datasize);\n\t\tif(read==-1){\n\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t"Error on decoding tile %u of %s",\n\t\t\t\ttile,\n\t\t\t\tTIFFFileName(input));\n\t\t\t_TIFFfree(buffer);\n\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn(0);\n\t\t}\n\t} else {\n\t\tif(t2p->pdf_sample == T2P_SAMPLE_PLANAR_SEPARATE_TO_CONTIG){\n\t\t\tseptilesize=TIFFTileSize(input);\n\t\t\tseptilecount=TIFFNumberOfTiles(input);\n\t\t\ttilecount=septilecount/t2p->tiff_samplesperpixel;\n\t\t\tbuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tsamplebuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(samplebuffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tsamplebufferoffset=0;\n\t\t\tfor(i=0;i<t2p->tiff_samplesperpixel;i++){\n\t\t\t\tread =\n\t\t\t\t\tTIFFReadEncodedTile(input,\n\t\t\t\t\t\ttile + i*tilecount,\n\t\t\t\t\t\t(tdata_t) &(samplebuffer[samplebufferoffset]),\n\t\t\t\t\t\tseptilesize);\n\t\t\t\tif(read==-1){\n\t\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t\t"Error on decoding tile %u of %s",\n\t\t\t\t\t\ttile + i*tilecount,\n\t\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\t\t_TIFFfree(samplebuffer);\n\t\t\t\t\t\t_TIFFfree(buffer);\n\t\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\t\t\treturn(0);\n\t\t\t\t}\n\t\t\t\tsamplebufferoffset+=read;\n\t\t\t}\n\t\t\tt2p_sample_planar_separate_to_contig(\n\t\t\t\tt2p,\n\t\t\t\t&(buffer[bufferoffset]),\n\t\t\t\tsamplebuffer,\n\t\t\t\tsamplebufferoffset);\n\t\t\tbufferoffset+=samplebufferoffset;\n\t\t\t_TIFFfree(samplebuffer);\n\t\t}\n\t\tif(buffer==NULL){\n\t\t\tbuffer = (unsigned char*) _TIFFmalloc(t2p->tiff_datasize);\n\t\t\tif(buffer==NULL){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory "\n "for t2p_readwrite_pdf_image_tile, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_datasize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tread = TIFFReadEncodedTile(\n\t\t\t\tinput,\n\t\t\t\ttile,\n\t\t\t\t(tdata_t) &buffer[bufferoffset],\n\t\t\t\tt2p->tiff_datasize);\n\t\t\tif(read==-1){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Error on decoding tile %u of %s",\n\t\t\t\t\ttile,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t_TIFFfree(buffer);\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_RGBA_TO_RGB){\n\t\t\tt2p->tiff_datasize=t2p_sample_rgba_to_rgb(\n\t\t\t\t(tdata_t)buffer,\n\t\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth\n\t\t\t\t*t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_RGBAA_TO_RGB){\n\t\t\tt2p->tiff_datasize=t2p_sample_rgbaa_to_rgb(\n\t\t\t\t(tdata_t)buffer,\n\t\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth\n\t\t\t\t*t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_YCBCR_TO_RGB){\n\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t"No support for YCbCr to RGB in tile for %s",\n\t\t\t\tTIFFFileName(input));\n\t\t\t_TIFFfree(buffer);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn(0);\n\t\t}\n\t\tif(t2p->pdf_sample & T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED){\n\t\t\tt2p->tiff_datasize=t2p_sample_lab_signed_to_unsigned(\n\t\t\t\t(tdata_t)buffer,\n\t\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth\n\t\t\t\t*t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\t}\n\t}\n\tif(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile) != 0){\n\t\tt2p_tile_collapse_left(\n\t\t\tbuffer,\n\t\t\tTIFFTileRowSize(input),\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t}\n\tt2p_disable(output);\n\tTIFFSetField(output, TIFFTAG_PHOTOMETRIC, t2p->tiff_photometric);\n\tTIFFSetField(output, TIFFTAG_BITSPERSAMPLE, t2p->tiff_bitspersample);\n\tTIFFSetField(output, TIFFTAG_SAMPLESPERPIXEL, t2p->tiff_samplesperpixel);\n\tif(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile) == 0){\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGEWIDTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth);\n\t} else {\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGEWIDTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth);\n\t}\n\tif(t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile) == 0){\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGELENGTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_ROWSPERSTRIP,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);\n\t} else {\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_IMAGELENGTH,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength);\n\t\tTIFFSetField(\n\t\t\toutput,\n\t\t\tTIFFTAG_ROWSPERSTRIP,\n\t\t\tt2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength);\n\t}\n\tTIFFSetField(output, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);\n\tTIFFSetField(output, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);\n\tswitch(t2p->pdf_compression){\n\tcase T2P_COMPRESS_NONE:\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_NONE);\n\t\tbreak;\n#ifdef CCITT_SUPPORT\n\tcase T2P_COMPRESS_G4:\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);\n\t\tbreak;\n#endif\n#ifdef JPEG_SUPPORT\n\tcase T2P_COMPRESS_JPEG:\n\t\tif (t2p->tiff_photometric==PHOTOMETRIC_YCBCR) {\n\t\t\tuint16 hor = 0, ver = 0;\n\t\t\tif (TIFFGetField(input, TIFFTAG_YCBCRSUBSAMPLING, &hor, &ver)!=0) {\n\t\t\t\tif (hor != 0 && ver != 0) {\n\t\t\t\t\tTIFFSetField(output, TIFFTAG_YCBCRSUBSAMPLING, hor, ver);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_REFERENCEBLACKWHITE, &xfloatp)!=0){\n\t\t\t\tTIFFSetField(output, TIFFTAG_REFERENCEBLACKWHITE, xfloatp);\n\t\t\t}\n\t\t}\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_JPEG);\n\t\tTIFFSetField(output, TIFFTAG_JPEGTABLESMODE, 0);\n\t\tif(t2p->pdf_colorspace & (T2P_CS_RGB | T2P_CS_LAB)){\n\t\t\tTIFFSetField(output, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR);\n\t\t\tif(t2p->tiff_photometric != PHOTOMETRIC_YCBCR){\n\t\t\t\tTIFFSetField(output, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);\n\t\t\t} else {\n\t\t\t\tTIFFSetField(output, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RAW);\n\t\t\t}\n\t\t}\n\t\tif(t2p->pdf_colorspace & T2P_CS_GRAY){\n\t\t\t(void)0;\n\t\t}\n\t\tif(t2p->pdf_colorspace & T2P_CS_CMYK){\n\t\t\t(void)0;\n\t\t}\n\t\tif(t2p->pdf_defaultcompressionquality != 0){\n\t\t\tTIFFSetField(output,\n\t\t\t\tTIFFTAG_JPEGQUALITY,\n\t\t\t\tt2p->pdf_defaultcompressionquality);\n\t\t}\n\t\tbreak;\n#endif\n#ifdef ZIP_SUPPORT\n\tcase T2P_COMPRESS_ZIP:\n\t\tTIFFSetField(output, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);\n\t\tif(t2p->pdf_defaultcompressionquality%100 != 0){\n\t\t\tTIFFSetField(output,\n\t\t\t\tTIFFTAG_PREDICTOR,\n\t\t\t\tt2p->pdf_defaultcompressionquality % 100);\n\t\t}\n\t\tif(t2p->pdf_defaultcompressionquality/100 != 0){\n\t\t\tTIFFSetField(output,\n\t\t\t\tTIFFTAG_ZIPQUALITY,\n\t\t\t\t(t2p->pdf_defaultcompressionquality / 100));\n\t\t}\n\t\tbreak;\n#endif\n\tdefault:\n\t\tbreak;\n\t}\n\tt2p_enable(output);\n\tt2p->outputwritten = 0;\n\tbufferoffset = TIFFWriteEncodedStrip(output, (tstrip_t) 0, buffer,\n\t\t\t\t\t TIFFStripSize(output));\n\tif (buffer != NULL) {\n\t\t_TIFFfree(buffer);\n\t\tbuffer = NULL;\n\t}\n\tif (bufferoffset == -1) {\n\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t "Error writing encoded tile to output PDF %s",\n\t\t\t TIFFFileName(output));\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn(0);\n\t}\n\twritten = t2p->outputwritten;\n\treturn(written);\n}', 'tmsize_t\nTIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size)\n{\n\tstatic const char module[] = "TIFFReadEncodedTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n\ttmsize_t tilesize = tif->tif_tilesize;\n\tif (!TIFFCheckRead(tif, 1))\n\t\treturn ((tmsize_t)(-1));\n\tif (tile >= td->td_nstrips) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t "%lu: Tile out of range, max %lu",\n\t\t (unsigned long) tile, (unsigned long) td->td_nstrips);\n\t\treturn ((tmsize_t)(-1));\n\t}\n\tif (size == (tmsize_t)(-1))\n\t\tsize = tilesize;\n\telse if (size > tilesize)\n\t\tsize = tilesize;\n\tif (TIFFFillTile(tif, tile) && (*tif->tif_decodetile)(tif,\n\t (uint8*) buf, size, (uint16)(tile/td->td_stripsperimage))) {\n\t\t(*tif->tif_postdecode)(tif, (uint8*) buf, size);\n\t\treturn (size);\n\t} else\n\t\treturn ((tmsize_t)(-1));\n}', 'int\nTIFFFillTile(TIFF* tif, uint32 tile)\n{\n\tstatic const char module[] = "TIFFFillTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)\n return 0;\n\tif ((tif->tif_flags&TIFF_NOREADRAW)==0)\n\t{\n\t\tuint64 bytecount = td->td_stripbytecount[tile];\n\t\tif ((int64)bytecount <= 0) {\n#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t"%I64u: Invalid tile byte count, tile %lu",\n\t\t\t\t (unsigned __int64) bytecount,\n\t\t\t\t (unsigned long) tile);\n#else\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t"%llu: Invalid tile byte count, tile %lu",\n\t\t\t\t (unsigned long long) bytecount,\n\t\t\t\t (unsigned long) tile);\n#endif\n\t\t\treturn (0);\n\t\t}\n\t\tif (isMapped(tif) &&\n\t\t (isFillOrder(tif, td->td_fillorder)\n\t\t || (tif->tif_flags & TIFF_NOBITREV))) {\n\t\t\tif ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) {\n\t\t\t\t_TIFFfree(tif->tif_rawdata);\n\t\t\t\ttif->tif_rawdata = NULL;\n\t\t\t\ttif->tif_rawdatasize = 0;\n\t\t\t}\n\t\t\ttif->tif_flags &= ~TIFF_MYBUFFER;\n\t\t\tif (bytecount > (uint64)tif->tif_size ||\n\t\t\t td->td_stripoffset[tile] > (uint64)tif->tif_size - bytecount) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t\ttif->tif_rawdatasize = (tmsize_t)bytecount;\n\t\t\ttif->tif_rawdata =\n\t\t\t\ttif->tif_base + (tmsize_t)td->td_stripoffset[tile];\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = (tmsize_t) bytecount;\n\t\t\ttif->tif_flags |= TIFF_BUFFERMMAP;\n\t\t} else {\n\t\t\ttmsize_t bytecountm;\n\t\t\tbytecountm=(tmsize_t)bytecount;\n\t\t\tif ((uint64)bytecountm!=bytecount)\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tif (bytecountm > tif->tif_rawdatasize) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\tif ((tif->tif_flags & TIFF_MYBUFFER) == 0) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Data buffer too small to hold tile %lu",\n\t\t\t\t\t (unsigned long) tile);\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (!TIFFReadBufferSetup(tif, 0, bytecountm))\n\t\t\t\t\treturn (0);\n\t\t\t}\n\t\t\tif (tif->tif_flags&TIFF_BUFFERMMAP) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\tif (!TIFFReadBufferSetup(tif, 0, bytecountm))\n\t\t\t\t\treturn (0);\n\t\t\t}\n\t\t\tif (TIFFReadRawTile1(tif, tile, tif->tif_rawdata,\n\t\t\t bytecountm, module) != bytecountm)\n\t\t\t\treturn (0);\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = bytecountm;\n\t\t\tif (!isFillOrder(tif, td->td_fillorder) &&\n\t\t\t (tif->tif_flags & TIFF_NOBITREV) == 0)\n\t\t\t\tTIFFReverseBits(tif->tif_rawdata,\n tif->tif_rawdataloaded);\n\t\t}\n\t}\n\treturn (TIFFStartTile(tif, tile));\n}', 'static int\nTIFFStartTile(TIFF* tif, uint32 tile)\n{\n static const char module[] = "TIFFStartTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n uint32 howmany32;\n if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)\n return 0;\n\tif ((tif->tif_flags & TIFF_CODERSETUP) == 0) {\n\t\tif (!(*tif->tif_setupdecode)(tif))\n\t\t\treturn (0);\n\t\ttif->tif_flags |= TIFF_CODERSETUP;\n\t}\n\ttif->tif_curtile = tile;\n howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);\n if (howmany32 == 0) {\n TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");\n return 0;\n }\n\ttif->tif_row = (tile % howmany32) * td->td_tilelength;\n howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength);\n if (howmany32 == 0) {\n TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");\n return 0;\n }\n\ttif->tif_col = (tile % howmany32) * td->td_tilewidth;\n tif->tif_flags &= ~TIFF_BUF4WRITE;\n\tif (tif->tif_flags&TIFF_NOREADRAW)\n\t{\n\t\ttif->tif_rawcp = NULL;\n\t\ttif->tif_rawcc = 0;\n\t}\n\telse\n\t{\n\t\ttif->tif_rawcp = tif->tif_rawdata;\n\t\ttif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile];\n\t}\n\treturn ((*tif->tif_predecode)(tif,\n\t\t\t(uint16)(tile/td->td_stripsperimage)));\n}'] |
8,131 | 0 | https://github.com/openssl/openssl/blob/fd252de312205b99f889b079110e4e077e9e5f47/crypto/bn/bn_lib.c/#L615 | BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
{
unsigned int i,m;
unsigned int n;
BN_ULONG l;
BIGNUM *bn = NULL;
if (ret == NULL)
ret = bn = BN_new();
if (ret == NULL) return(NULL);
bn_check_top(ret);
l=0;
n=len;
if (n == 0)
{
ret->top=0;
return(ret);
}
i=((n-1)/BN_BYTES)+1;
m=((n-1)%(BN_BYTES));
if (bn_wexpand(ret, (int)i) == NULL)
{
if (bn) BN_free(bn);
return NULL;
}
ret->top=i;
ret->neg=0;
while (n--)
{
l=(l<<8L)| *(s++);
if (m-- == 0)
{
ret->d[--i]=l;
l=0;
m=BN_BYTES-1;
}
}
bn_correct_top(ret);
return(ret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tint off=0;\n\tSSL *con=NULL;\n\tX509_STORE *store = NULL;\n\tint s,k,width,state=0;\n\tchar *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;\n\tint cbuf_len,cbuf_off;\n\tint sbuf_len,sbuf_off;\n\tfd_set readfds,writefds;\n\tshort port=PORT;\n\tint full_log=1;\n\tchar *host=SSL_HOST_NAME;\n\tchar *cert_file=NULL,*key_file=NULL;\n\tint cert_format = FORMAT_PEM, key_format = FORMAT_PEM;\n\tchar *passarg = NULL, *pass = NULL;\n\tX509 *cert = NULL;\n\tEVP_PKEY *key = NULL;\n\tchar *CApath=NULL,*CAfile=NULL,*cipher=NULL;\n\tint reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;\n\tint crlf=0;\n\tint write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;\n\tSSL_CTX *ctx=NULL;\n\tint ret=1,in_init=1,i,nbio_test=0;\n\tint starttls_proto = PROTO_OFF;\n\tint prexit = 0, vflags = 0;\n\tconst SSL_METHOD *meth=NULL;\n\tint socket_type=SOCK_STREAM;\n\tBIO *sbio;\n\tchar *inrand=NULL;\n\tint mbuf_len=0;\n#ifndef OPENSSL_NO_ENGINE\n\tchar *engine_id=NULL;\n\tchar *ssl_client_engine_id=NULL;\n\tENGINE *e=NULL, *ssl_client_engine=NULL;\n#endif\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)\n\tstruct timeval tv;\n#if defined(OPENSSL_SYS_BEOS_R5)\n\tint stdin_set = 0;\n#endif\n#endif\n#ifndef OPENSSL_NO_TLSEXT\n\tchar *servername = NULL;\n tlsextctx tlsextcbp =\n {NULL,0};\n#endif\n\tchar *sess_in = NULL;\n\tchar *sess_out = NULL;\n\tstruct sockaddr peer;\n\tint peerlen = sizeof(peer);\n\tint enable_timeouts = 0 ;\n\tlong socket_mtu = 0;\n#ifndef OPENSSL_NO_JPAKE\n\tchar *jpake_secret = NULL;\n#endif\n#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv23_client_method();\n#elif !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv3_client_method();\n#elif !defined(OPENSSL_NO_SSL2)\n\tmeth=SSLv2_client_method();\n#endif\n\tapps_startup();\n\tc_Pause=0;\n\tc_quiet=0;\n\tc_ign_eof=0;\n\tc_debug=0;\n\tc_msg=0;\n\tc_showcerts=0;\n\tif (bio_err == NULL)\n\t\tbio_err=BIO_new_fp(stderr,BIO_NOCLOSE);\n\tif (!load_config(bio_err, NULL))\n\t\tgoto end;\n\tif (\t((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||\n\t\t((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||\n\t\t((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tverify_depth=0;\n\tverify_error=X509_V_OK;\n#ifdef FIONBIO\n\tc_nbio=0;\n#endif\n\targc--;\n\targv++;\n\twhile (argc >= 1)\n\t\t{\n\t\tif\t(strcmp(*argv,"-host") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\thost= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-port") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tport=atoi(*(++argv));\n\t\t\tif (port == 0) goto bad;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-connect") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tif (!extract_host_port(*(++argv),&host,NULL,&port))\n\t\t\t\tgoto bad;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-verify") == 0)\n\t\t\t{\n\t\t\tverify=SSL_VERIFY_PEER;\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tverify_depth=atoi(*(++argv));\n\t\t\tBIO_printf(bio_err,"verify depth is %d\\n",verify_depth);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcert_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-sess_out") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tsess_out = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-sess_in") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tsess_in = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-certform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcert_format = str2fmt(*(++argv));\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-crl_check") == 0)\n\t\t\tvflags |= X509_V_FLAG_CRL_CHECK;\n\t\telse if\t(strcmp(*argv,"-crl_check_all") == 0)\n\t\t\tvflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;\n\t\telse if (strcmp(*argv,"-verify_return_error") == 0)\n\t\t\tverify_return_error = 1;\n\t\telse if\t(strcmp(*argv,"-prexit") == 0)\n\t\t\tprexit=1;\n\t\telse if\t(strcmp(*argv,"-crlf") == 0)\n\t\t\tcrlf=1;\n\t\telse if\t(strcmp(*argv,"-quiet") == 0)\n\t\t\t{\n\t\t\tc_quiet=1;\n\t\t\tc_ign_eof=1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-ign_eof") == 0)\n\t\t\tc_ign_eof=1;\n\t\telse if\t(strcmp(*argv,"-no_ign_eof") == 0)\n\t\t\tc_ign_eof=0;\n\t\telse if\t(strcmp(*argv,"-pause") == 0)\n\t\t\tc_Pause=1;\n\t\telse if\t(strcmp(*argv,"-debug") == 0)\n\t\t\tc_debug=1;\n#ifndef OPENSSL_NO_TLSEXT\n\t\telse if\t(strcmp(*argv,"-tlsextdebug") == 0)\n\t\t\tc_tlsextdebug=1;\n\t\telse if\t(strcmp(*argv,"-status") == 0)\n\t\t\tc_status_req=1;\n#endif\n#ifdef WATT32\n\t\telse if (strcmp(*argv,"-wdebug") == 0)\n\t\t\tdbug_init();\n#endif\n\t\telse if\t(strcmp(*argv,"-msg") == 0)\n\t\t\tc_msg=1;\n\t\telse if\t(strcmp(*argv,"-showcerts") == 0)\n\t\t\tc_showcerts=1;\n\t\telse if\t(strcmp(*argv,"-nbio_test") == 0)\n\t\t\tnbio_test=1;\n\t\telse if\t(strcmp(*argv,"-state") == 0)\n\t\t\tstate=1;\n#ifndef OPENSSL_NO_PSK\n else if (strcmp(*argv,"-psk_identity") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tpsk_identity=*(++argv);\n\t\t\t}\n else if (strcmp(*argv,"-psk") == 0)\n\t\t\t{\n size_t j;\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tpsk_key=*(++argv);\n\t\t\tfor (j = 0; j < strlen(psk_key); j++)\n {\n if (isxdigit((int)psk_key[j]))\n continue;\n BIO_printf(bio_err,"Not a hex number \'%s\'\\n",*argv);\n goto bad;\n }\n\t\t\t}\n#endif\n#ifndef OPENSSL_NO_SSL2\n\t\telse if\t(strcmp(*argv,"-ssl2") == 0)\n\t\t\tmeth=SSLv2_client_method();\n#endif\n#ifndef OPENSSL_NO_SSL3\n\t\telse if\t(strcmp(*argv,"-ssl3") == 0)\n\t\t\tmeth=SSLv3_client_method();\n#endif\n#ifndef OPENSSL_NO_TLS1\n\t\telse if\t(strcmp(*argv,"-tls1") == 0)\n\t\t\tmeth=TLSv1_client_method();\n#endif\n#ifndef OPENSSL_NO_DTLS1\n\t\telse if\t(strcmp(*argv,"-dtls1") == 0)\n\t\t\t{\n\t\t\tmeth=DTLSv1_client_method();\n\t\t\tsocket_type=SOCK_DGRAM;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-timeout") == 0)\n\t\t\tenable_timeouts=1;\n\t\telse if (strcmp(*argv,"-mtu") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tsocket_mtu = atol(*(++argv));\n\t\t\t}\n#endif\n\t\telse if (strcmp(*argv,"-bugs") == 0)\n\t\t\tbugs=1;\n\t\telse if\t(strcmp(*argv,"-keyform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkey_format = str2fmt(*(++argv));\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-pass") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tpassarg = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkey_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-reconnect") == 0)\n\t\t\t{\n\t\t\treconnect=5;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CApath") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCApath= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CAfile") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-no_tls1") == 0)\n\t\t\toff|=SSL_OP_NO_TLSv1;\n\t\telse if (strcmp(*argv,"-no_ssl3") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv3;\n\t\telse if (strcmp(*argv,"-no_ssl2") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv2;\n\t\telse if\t(strcmp(*argv,"-no_comp") == 0)\n\t\t\t{ off|=SSL_OP_NO_COMPRESSION; }\n#ifndef OPENSSL_NO_TLSEXT\n\t\telse if\t(strcmp(*argv,"-no_ticket") == 0)\n\t\t\t{ off|=SSL_OP_NO_TICKET; }\n#endif\n\t\telse if (strcmp(*argv,"-serverpref") == 0)\n\t\t\toff|=SSL_OP_CIPHER_SERVER_PREFERENCE;\n\t\telse if\t(strcmp(*argv,"-cipher") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcipher= *(++argv);\n\t\t\t}\n#ifdef FIONBIO\n\t\telse if (strcmp(*argv,"-nbio") == 0)\n\t\t\t{ c_nbio=1; }\n#endif\n\t\telse if\t(strcmp(*argv,"-starttls") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\t++argv;\n\t\t\tif (strcmp(*argv,"smtp") == 0)\n\t\t\t\tstarttls_proto = PROTO_SMTP;\n\t\t\telse if (strcmp(*argv,"pop3") == 0)\n\t\t\t\tstarttls_proto = PROTO_POP3;\n\t\t\telse if (strcmp(*argv,"imap") == 0)\n\t\t\t\tstarttls_proto = PROTO_IMAP;\n\t\t\telse if (strcmp(*argv,"ftp") == 0)\n\t\t\t\tstarttls_proto = PROTO_FTP;\n\t\t\telse if (strcmp(*argv, "xmpp") == 0)\n\t\t\t\tstarttls_proto = PROTO_XMPP;\n\t\t\telse\n\t\t\t\tgoto bad;\n\t\t\t}\n#ifndef OPENSSL_NO_ENGINE\n\t\telse if\t(strcmp(*argv,"-engine") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tengine_id = *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-ssl_client_engine") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tssl_client_engine_id = *(++argv);\n\t\t\t}\n#endif\n\t\telse if (strcmp(*argv,"-rand") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinrand= *(++argv);\n\t\t\t}\n#ifndef OPENSSL_NO_TLSEXT\n\t\telse if (strcmp(*argv,"-servername") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tservername= *(++argv);\n\t\t\t}\n#endif\n#ifndef OPENSSL_NO_JPAKE\n\t\telse if (strcmp(*argv,"-jpake") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tjpake_secret = *++argv;\n\t\t\t}\n#endif\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unknown option %s\\n",*argv);\n\t\t\tbadop=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badop)\n\t\t{\nbad:\n\t\tsc_usage();\n\t\tgoto end;\n\t\t}\n#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)\n\tif (jpake_secret)\n\t\t{\n\t\tif (psk_key)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t "Can\'t use JPAKE and PSK together\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tpsk_identity = "JPAKE";\n\t\t}\n\tif (cipher)\n\t\t{\n\t\tBIO_printf(bio_err, "JPAKE sets cipher to PSK\\n");\n\t\tgoto end;\n\t\t}\n\tcipher = "PSK";\n#endif\n\tOpenSSL_add_ssl_algorithms();\n\tSSL_load_error_strings();\n#ifndef OPENSSL_NO_ENGINE\n e = setup_engine(bio_err, engine_id, 1);\n\tif (ssl_client_engine_id)\n\t\t{\n\t\tssl_client_engine = ENGINE_by_id(ssl_client_engine_id);\n\t\tif (!ssl_client_engine)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t"Error getting client auth engine\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n\tif (!app_passwd(bio_err, passarg, NULL, &pass, NULL))\n\t\t{\n\t\tBIO_printf(bio_err, "Error getting password\\n");\n\t\tgoto end;\n\t\t}\n\tif (key_file == NULL)\n\t\tkey_file = cert_file;\n\tif (key_file)\n\t\t{\n\t\tkey = load_key(bio_err, key_file, key_format, 0, pass, e,\n\t\t\t "client certificate private key file");\n\t\tif (!key)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (cert_file)\n\t\t{\n\t\tcert = load_cert(bio_err,cert_file,cert_format,\n\t\t\t\tNULL, e, "client certificate file");\n\t\tif (!cert)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL\n\t\t&& !RAND_status())\n\t\t{\n\t\tBIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\\n");\n\t\t}\n\tif (inrand != NULL)\n\t\tBIO_printf(bio_err,"%ld semi-random bytes loaded\\n",\n\t\t\tapp_RAND_load_files(inrand));\n\tif (bio_c_out == NULL)\n\t\t{\n\t\tif (c_quiet && !c_debug && !c_msg)\n\t\t\t{\n\t\t\tbio_c_out=BIO_new(BIO_s_null());\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bio_c_out == NULL)\n\t\t\t\tbio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);\n\t\t\t}\n\t\t}\n\tctx=SSL_CTX_new(meth);\n\tif (ctx == NULL)\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n#ifndef OPENSSL_NO_ENGINE\n\tif (ssl_client_engine)\n\t\t{\n\t\tif (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))\n\t\t\t{\n\t\t\tBIO_puts(bio_err, "Error setting client auth engine\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tENGINE_free(ssl_client_engine);\n\t\t\tgoto end;\n\t\t\t}\n\t\tENGINE_free(ssl_client_engine);\n\t\t}\n#endif\n#ifndef OPENSSL_NO_PSK\n#ifdef OPENSSL_NO_JPAKE\n\tif (psk_key != NULL)\n#else\n\tif (psk_key != NULL || jpake_secret)\n#endif\n\t\t{\n\t\tif (c_debug)\n\t\t\tBIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\\n");\n\t\tSSL_CTX_set_psk_client_callback(ctx, psk_client_cb);\n\t\t}\n#endif\n\tif (bugs)\n\t\tSSL_CTX_set_options(ctx,SSL_OP_ALL|off);\n\telse\n\t\tSSL_CTX_set_options(ctx,off);\n\tif (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);\n\tif (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);\n\tif (cipher != NULL)\n\t\tif(!SSL_CTX_set_cipher_list(ctx,cipher)) {\n\t\tBIO_printf(bio_err,"error setting cipher list\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t}\n#if 0\n\telse\n\t\tSSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));\n#endif\n\tSSL_CTX_set_verify(ctx,verify,verify_callback);\n\tif (!set_cert_key_stuff(ctx,cert,key))\n\t\tgoto end;\n\tif ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||\n\t\t(!SSL_CTX_set_default_verify_paths(ctx)))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\t}\n\tstore = SSL_CTX_get_cert_store(ctx);\n\tX509_STORE_set_flags(store, vflags);\n#ifndef OPENSSL_NO_TLSEXT\n\tif (servername != NULL)\n\t\t{\n\t\ttlsextcbp.biodebug = bio_err;\n\t\tSSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);\n\t\tSSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);\n\t\t}\n#endif\n\tcon=SSL_new(ctx);\n\tif (sess_in)\n\t\t{\n\t\tSSL_SESSION *sess;\n\t\tBIO *stmp = BIO_new_file(sess_in, "r");\n\t\tif (!stmp)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Can\'t open session file %s\\n",\n\t\t\t\t\t\tsess_in);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\tsess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);\n\t\tBIO_free(stmp);\n\t\tif (!sess)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Can\'t open session file %s\\n",\n\t\t\t\t\t\tsess_in);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\tSSL_set_session(con, sess);\n\t\tSSL_SESSION_free(sess);\n\t\t}\n#ifndef OPENSSL_NO_TLSEXT\n\tif (servername != NULL)\n\t\t{\n\t\tif (!SSL_set_tlsext_host_name(con,servername))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Unable to set TLS servername extension.\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n#ifndef OPENSSL_NO_KRB5\n\tif (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)\n {\n kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);\n\t\t}\n#endif\n#if 0\n#ifdef TLSEXT_TYPE_opaque_prf_input\n\tSSL_set_tlsext_opaque_prf_input(con, "Test client", 11);\n#endif\n#endif\nre_start:\n\tif (init_client(&s,host,port,socket_type) == 0)\n\t\t{\n\t\tBIO_printf(bio_err,"connect:errno=%d\\n",get_last_socket_error());\n\t\tSHUTDOWN(s);\n\t\tgoto end;\n\t\t}\n\tBIO_printf(bio_c_out,"CONNECTED(%08X)\\n",s);\n#ifdef FIONBIO\n\tif (c_nbio)\n\t\t{\n\t\tunsigned long l=1;\n\t\tBIO_printf(bio_c_out,"turning on non blocking io\\n");\n\t\tif (BIO_socket_ioctl(s,FIONBIO,&l) < 0)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n\tif (c_Pause & 0x01) con->debug=1;\n\tif ( SSL_version(con) == DTLS1_VERSION)\n\t\t{\n\t\tstruct timeval timeout;\n\t\tsbio=BIO_new_dgram(s,BIO_NOCLOSE);\n\t\tif (getsockname(s, &peer, (void *)&peerlen) < 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "getsockname:errno=%d\\n",\n\t\t\t\tget_last_socket_error());\n\t\t\tSHUTDOWN(s);\n\t\t\tgoto end;\n\t\t\t}\n\t\t(void)BIO_ctrl_set_connected(sbio, 1, &peer);\n\t\tif (enable_timeouts)\n\t\t\t{\n\t\t\ttimeout.tv_sec = 0;\n\t\t\ttimeout.tv_usec = DGRAM_RCV_TIMEOUT;\n\t\t\tBIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);\n\t\t\ttimeout.tv_sec = 0;\n\t\t\ttimeout.tv_usec = DGRAM_SND_TIMEOUT;\n\t\t\tBIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);\n\t\t\t}\n\t\tif (socket_mtu > 0)\n\t\t\t{\n\t\t\tSSL_set_options(con, SSL_OP_NO_QUERY_MTU);\n\t\t\tSSL_set_mtu(con, socket_mtu);\n\t\t\t}\n\t\telse\n\t\t\tBIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);\n\t\t}\n\telse\n\t\tsbio=BIO_new_socket(s,BIO_NOCLOSE);\n\tif (nbio_test)\n\t\t{\n\t\tBIO *test;\n\t\ttest=BIO_new(BIO_f_nbio_test());\n\t\tsbio=BIO_push(test,sbio);\n\t\t}\n\tif (c_debug)\n\t\t{\n\t\tcon->debug=1;\n\t\tBIO_set_callback(sbio,bio_dump_callback);\n\t\tBIO_set_callback_arg(sbio,(char *)bio_c_out);\n\t\t}\n\tif (c_msg)\n\t\t{\n\t\tSSL_set_msg_callback(con, msg_cb);\n\t\tSSL_set_msg_callback_arg(con, bio_c_out);\n\t\t}\n#ifndef OPENSSL_NO_TLSEXT\n\tif (c_tlsextdebug)\n\t\t{\n\t\tSSL_set_tlsext_debug_callback(con, tlsext_cb);\n\t\tSSL_set_tlsext_debug_arg(con, bio_c_out);\n\t\t}\n\tif (c_status_req)\n\t\t{\n\t\tSSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);\n\t\tSSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);\n\t\tSSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);\n#if 0\n{\nSTACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();\nOCSP_RESPID *id = OCSP_RESPID_new();\nid->value.byKey = ASN1_OCTET_STRING_new();\nid->type = V_OCSP_RESPID_KEY;\nASN1_STRING_set(id->value.byKey, "Hello World", -1);\nsk_OCSP_RESPID_push(ids, id);\nSSL_set_tlsext_status_ids(con, ids);\n}\n#endif\n\t\t}\n#endif\n#ifndef OPENSSL_NO_JPAKE\n\tif (jpake_secret)\n\t\tjpake_client_auth(bio_c_out, sbio, jpake_secret);\n#endif\n\tSSL_set_bio(con,sbio,sbio);\n\tSSL_set_connect_state(con);\n\twidth=SSL_get_fd(con)+1;\n\tread_tty=1;\n\twrite_tty=0;\n\ttty_on=0;\n\tread_ssl=1;\n\twrite_ssl=1;\n\tcbuf_len=0;\n\tcbuf_off=0;\n\tsbuf_len=0;\n\tsbuf_off=0;\n\tif (starttls_proto == PROTO_SMTP)\n\t\t{\n\t\tint foundit=0;\n\t\tBIO *fbio = BIO_new(BIO_f_buffer());\n\t\tBIO_push(fbio, sbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[3]==\'-\');\n\t\tBIO_printf(fbio,"EHLO openssl.client.net\\r\\n");\n\t\t(void)BIO_flush(fbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\tif (strstr(mbuf,"STARTTLS"))\n\t\t\t\tfoundit=1;\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[3]==\'-\');\n\t\t(void)BIO_flush(fbio);\n\t\tBIO_pop(fbio);\n\t\tBIO_free(fbio);\n\t\tif (!foundit)\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t "didn\'t found starttls in server response,"\n\t\t\t\t " try anyway...\\n");\n\t\tBIO_printf(sbio,"STARTTLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\telse if (starttls_proto == PROTO_POP3)\n\t\t{\n\t\tBIO_read(sbio,mbuf,BUFSIZZ);\n\t\tBIO_printf(sbio,"STLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\telse if (starttls_proto == PROTO_IMAP)\n\t\t{\n\t\tint foundit=0;\n\t\tBIO *fbio = BIO_new(BIO_f_buffer());\n\t\tBIO_push(fbio, sbio);\n\t\tBIO_gets(fbio,mbuf,BUFSIZZ);\n\t\tBIO_printf(fbio,". CAPABILITY\\r\\n");\n\t\t(void)BIO_flush(fbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\tif (strstr(mbuf,"STARTTLS"))\n\t\t\t\tfoundit=1;\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[0]!=\'.\');\n\t\t(void)BIO_flush(fbio);\n\t\tBIO_pop(fbio);\n\t\tBIO_free(fbio);\n\t\tif (!foundit)\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t "didn\'t found STARTTLS in server response,"\n\t\t\t\t " try anyway...\\n");\n\t\tBIO_printf(sbio,". STARTTLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\telse if (starttls_proto == PROTO_FTP)\n\t\t{\n\t\tBIO *fbio = BIO_new(BIO_f_buffer());\n\t\tBIO_push(fbio, sbio);\n\t\tdo\n\t\t\t{\n\t\t\tmbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);\n\t\t\t}\n\t\twhile (mbuf_len>3 && mbuf[3]==\'-\');\n\t\t(void)BIO_flush(fbio);\n\t\tBIO_pop(fbio);\n\t\tBIO_free(fbio);\n\t\tBIO_printf(sbio,"AUTH TLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\tif (starttls_proto == PROTO_XMPP)\n\t\t{\n\t\tint seen = 0;\n\t\tBIO_printf(sbio,"<stream:stream "\n\t\t "xmlns:stream=\'http://etherx.jabber.org/streams\' "\n\t\t "xmlns=\'jabber:client\' to=\'%s\' version=\'1.0\'>", host);\n\t\tseen = BIO_read(sbio,mbuf,BUFSIZZ);\n\t\tmbuf[seen] = 0;\n\t\twhile (!strstr(mbuf, "<starttls xmlns=\'urn:ietf:params:xml:ns:xmpp-tls\'"))\n\t\t\t{\n\t\t\tif (strstr(mbuf, "/stream:features>"))\n\t\t\t\tgoto shut;\n\t\t\tseen = BIO_read(sbio,mbuf,BUFSIZZ);\n\t\t\tmbuf[seen] = 0;\n\t\t\t}\n\t\tBIO_printf(sbio, "<starttls xmlns=\'urn:ietf:params:xml:ns:xmpp-tls\'/>");\n\t\tseen = BIO_read(sbio,sbuf,BUFSIZZ);\n\t\tsbuf[seen] = 0;\n\t\tif (!strstr(sbuf, "<proceed"))\n\t\t\tgoto shut;\n\t\tmbuf[0] = 0;\n\t\t}\n\tfor (;;)\n\t\t{\n\t\tFD_ZERO(&readfds);\n\t\tFD_ZERO(&writefds);\n\t\tif (SSL_in_init(con) && !SSL_total_renegotiations(con))\n\t\t\t{\n\t\t\tin_init=1;\n\t\t\ttty_on=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\ttty_on=1;\n\t\t\tif (in_init)\n\t\t\t\t{\n\t\t\t\tin_init=0;\n#if 0\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\t\tif (servername != NULL && !SSL_session_reused(con))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\\n",tlsextcbp.ack?"":"not ");\n\t\t\t\t\t}\n#endif\n#endif\n\t\t\t\tif (sess_out)\n\t\t\t\t\t{\n\t\t\t\t\tBIO *stmp = BIO_new_file(sess_out, "w");\n\t\t\t\t\tif (stmp)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tPEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));\n\t\t\t\t\t\tBIO_free(stmp);\n\t\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t\tBIO_printf(bio_err, "Error writing session file %s\\n", sess_out);\n\t\t\t\t\t}\n\t\t\t\tprint_stuff(bio_c_out,con,full_log);\n\t\t\t\tif (full_log > 0) full_log--;\n\t\t\t\tif (starttls_proto)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"%s",mbuf);\n\t\t\t\t\tstarttls_proto = PROTO_OFF;\n\t\t\t\t\t}\n\t\t\t\tif (reconnect)\n\t\t\t\t\t{\n\t\t\t\t\treconnect--;\n\t\t\t\t\tBIO_printf(bio_c_out,"drop connection and then reconnect\\n");\n\t\t\t\t\tSSL_shutdown(con);\n\t\t\t\t\tSSL_set_connect_state(con);\n\t\t\t\t\tSHUTDOWN(SSL_get_fd(con));\n\t\t\t\t\tgoto re_start;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tssl_pending = read_ssl && SSL_pending(con);\n\t\tif (!ssl_pending)\n\t\t\t{\n#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)\n\t\t\tif (tty_on)\n\t\t\t\t{\n\t\t\t\tif (read_tty) openssl_fdset(fileno(stdin),&readfds);\n\t\t\t\tif (write_tty) openssl_fdset(fileno(stdout),&writefds);\n\t\t\t\t}\n\t\t\tif (read_ssl)\n\t\t\t\topenssl_fdset(SSL_get_fd(con),&readfds);\n\t\t\tif (write_ssl)\n\t\t\t\topenssl_fdset(SSL_get_fd(con),&writefds);\n#else\n\t\t\tif(!tty_on || !write_tty) {\n\t\t\t\tif (read_ssl)\n\t\t\t\t\topenssl_fdset(SSL_get_fd(con),&readfds);\n\t\t\t\tif (write_ssl)\n\t\t\t\t\topenssl_fdset(SSL_get_fd(con),&writefds);\n\t\t\t}\n#endif\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n\t\t\ti=0;\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\t NULL,&tv);\n#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)\n\t\t\t\t\tif(!i && (!_kbhit() || !read_tty) ) continue;\n#else\n\t\t\t\t\tif(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;\n#endif\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t NULL,NULL);\n\t\t\t}\n#elif defined(OPENSSL_SYS_NETWARE)\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\tNULL,&tv);\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\tNULL,NULL);\n\t\t\t}\n#elif defined(OPENSSL_SYS_BEOS_R5)\n\t\t\ti=0;\n\t\t\tstdin_set = 0;\n\t\t\t(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\t NULL,&tv);\n\t\t\t\t\tif (read(fileno(stdin), sbuf, 0) >= 0)\n\t\t\t\t\t\tstdin_set = 1;\n\t\t\t\t\tif (!i && (stdin_set != 1 || !read_tty))\n\t\t\t\t\t\tcontinue;\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t NULL,NULL);\n\t\t\t}\n\t\t\t(void)fcntl(fileno(stdin), F_SETFL, 0);\n#else\n\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t NULL,NULL);\n#endif\n\t\t\tif ( i < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"bad select %d\\n",\n\t\t\t\tget_last_socket_error());\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n\t\tif (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))\n\t\t\t{\n\t\t\tk=SSL_write(con,&(cbuf[cbuf_off]),\n\t\t\t\t(unsigned int)cbuf_len);\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tcbuf_off+=k;\n\t\t\t\tcbuf_len-=k;\n\t\t\t\tif (k <= 0) goto end;\n\t\t\t\tif (cbuf_len <= 0)\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=0;\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"write W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"write R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_ssl=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"write X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tif (cbuf_len != 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_c_out,"shutdown\\n");\n\t\t\t\t\tret = 0;\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tif ((k != 0) || (cbuf_len != 0))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"write:errno=%d\\n",\n\t\t\t\t\t\tget_last_socket_error());\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)\n\t\telse if (!ssl_pending && write_tty)\n#else\n\t\telse if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))\n#endif\n\t\t\t{\n#ifdef CHARSET_EBCDIC\n\t\t\tascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);\n#endif\n\t\t\ti=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);\n\t\t\tif (i <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_c_out,"DONE\\n");\n\t\t\t\tret = 0;\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tsbuf_len-=i;;\n\t\t\tsbuf_off+=i;\n\t\t\tif (sbuf_len <= 0)\n\t\t\t\t{\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_tty=0;\n\t\t\t\t}\n\t\t\t}\n\t\telse if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))\n\t\t\t{\n#ifdef RENEG\n{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }\n#endif\n#if 1\n\t\t\tk=SSL_read(con,sbuf,1024 );\n#else\n\t\t\tk=SSL_read(con,sbuf,16);\n{ char zbuf[10240];\nprintf("read=%d pending=%d peek=%d\\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));\n}\n#endif\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tif (k <= 0)\n\t\t\t\t\tgoto end;\n\t\t\t\tsbuf_off=0;\n\t\t\t\tsbuf_len=k;\n\t\t\t\tread_ssl=0;\n\t\t\t\twrite_tty=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"read W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"read R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\tif ((read_tty == 0) && (write_ssl == 0))\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"read X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tret=get_last_socket_error();\n\t\t\t\tBIO_printf(bio_err,"read:errno=%d\\n",ret);\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tBIO_printf(bio_c_out,"closed\\n");\n\t\t\t\tret=0;\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)\n\t\telse if (_kbhit())\n#else\n\t\telse if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))\n#endif\n#elif defined (OPENSSL_SYS_NETWARE)\n\t\telse if (_kbhit())\n#elif defined(OPENSSL_SYS_BEOS_R5)\n\t\telse if (stdin_set)\n#else\n\t\telse if (FD_ISSET(fileno(stdin),&readfds))\n#endif\n\t\t\t{\n\t\t\tif (crlf)\n\t\t\t\t{\n\t\t\t\tint j, lf_num;\n\t\t\t\ti=raw_read_stdin(cbuf,BUFSIZZ/2);\n\t\t\t\tlf_num = 0;\n\t\t\t\tfor (j = 0; j < i; j++)\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\tlf_num++;\n\t\t\t\tfor (j = i-1; j >= 0; j--)\n\t\t\t\t\t{\n\t\t\t\t\tcbuf[j+lf_num] = cbuf[j];\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\t{\n\t\t\t\t\t\tlf_num--;\n\t\t\t\t\t\ti++;\n\t\t\t\t\t\tcbuf[j+lf_num] = \'\\r\';\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\tassert(lf_num == 0);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\ti=raw_read_stdin(cbuf,BUFSIZZ);\n\t\t\tif ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == \'Q\')))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DONE\\n");\n\t\t\t\tret=0;\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tif ((!c_ign_eof) && (cbuf[0] == \'R\'))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RENEGOTIATING\\n");\n\t\t\t\tSSL_renegotiate(con);\n\t\t\t\tcbuf_len=0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tcbuf_len=i;\n\t\t\t\tcbuf_off=0;\n#ifdef CHARSET_EBCDIC\n\t\t\t\tebcdic2ascii(cbuf, cbuf, i);\n#endif\n\t\t\t\t}\n\t\t\twrite_ssl=1;\n\t\t\tread_tty=0;\n\t\t\t}\n\t\t}\n\tret=0;\nshut:\n\tif (in_init)\n\t\tprint_stuff(bio_c_out,con,full_log);\n\tSSL_shutdown(con);\n\tSHUTDOWN(SSL_get_fd(con));\nend:\n\tif (con != NULL)\n\t\t{\n\t\tif (prexit != 0)\n\t\t\tprint_stuff(bio_c_out,con,1);\n\t\tSSL_free(con);\n\t\t}\n\tif (ctx != NULL) SSL_CTX_free(ctx);\n\tif (cert)\n\t\tX509_free(cert);\n\tif (key)\n\t\tEVP_PKEY_free(key);\n\tif (pass)\n\t\tOPENSSL_free(pass);\n\tif (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }\n\tif (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }\n\tif (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }\n\tif (bio_c_out != NULL)\n\t\t{\n\t\tBIO_free(bio_c_out);\n\t\tbio_c_out=NULL;\n\t\t}\n\tapps_shutdown();\n\tOPENSSL_EXIT(ret);\n\t}', 'ENGINE *setup_engine(BIO *err, const char *engine, int debug)\n {\n ENGINE *e = NULL;\n if (engine)\n {\n\t\tif(strcmp(engine, "auto") == 0)\n\t\t\t{\n\t\t\tBIO_printf(err,"enabling auto ENGINE support\\n");\n\t\t\tENGINE_register_all_complete();\n\t\t\treturn NULL;\n\t\t\t}\n\t\tif((e = ENGINE_by_id(engine)) == NULL\n\t\t\t&& (e = try_load_engine(err, engine, debug)) == NULL)\n\t\t\t{\n\t\t\tBIO_printf(err,"invalid engine \\"%s\\"\\n", engine);\n\t\t\tERR_print_errors(err);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tif (debug)\n\t\t\t{\n\t\t\tENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,\n\t\t\t\t0, err, 0);\n\t\t\t}\n ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);\n\t\tif(!ENGINE_set_default(e, ENGINE_METHOD_ALL))\n\t\t\t{\n\t\t\tBIO_printf(err,"can\'t use that engine\\n");\n\t\t\tERR_print_errors(err);\n\t\t\tENGINE_free(e);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tBIO_printf(err,"engine \\"%s\\" set.\\n", ENGINE_get_id(e));\n\t\tENGINE_free(e);\n\t\t}\n return e;\n }', 'void jpake_client_auth(BIO *out, BIO *conn, const char *secret)\n\t{\n\tJPAKE_CTX *ctx;\n\tBIO *bconn;\n\tBIO_puts(out, "Authenticating with JPAKE\\n");\n\tctx = jpake_init("client", "server", secret);\n\tbconn = BIO_new(BIO_f_buffer());\n\tBIO_push(bconn, conn);\n\tjpake_send_step1(bconn, ctx);\n\tjpake_receive_step1(ctx, bconn);\n\tjpake_send_step2(bconn, ctx);\n\tjpake_receive_step2(ctx, bconn);\n\tjpake_send_step3a(bconn, ctx);\n\tjpake_receive_step3b(ctx, bconn);\n\tBIO_puts(out, "JPAKE authentication succeeded, setting PSK\\n");\n\tpsk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));\n\tBIO_pop(bconn);\n\tBIO_free(bconn);\n\tJPAKE_CTX_free(ctx);\n\t}', 'static JPAKE_CTX *jpake_init(const char *us, const char *them,\n\t\t\t\t\t\t\t const char *secret)\n\t{\n\tBIGNUM *p = NULL;\n\tBIGNUM *g = NULL;\n\tBIGNUM *q = NULL;\n\tBIGNUM *bnsecret = BN_new();\n\tJPAKE_CTX *ctx;\n\tBN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");\n\tg = BN_new();\n\tBN_set_word(g, 2);\n\tq = BN_new();\n\tBN_rshift1(q, p);\n\tBN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);\n\tctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);\n\tBN_free(bnsecret);\n\tBN_free(q);\n\tBN_free(g);\n\tBN_free(p);\n\treturn ctx;\n\t}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n\t{\n\tunsigned int i,m;\n\tunsigned int n;\n\tBN_ULONG l;\n\tBIGNUM *bn = NULL;\n\tif (ret == NULL)\n\t\tret = bn = BN_new();\n\tif (ret == NULL) return(NULL);\n\tbn_check_top(ret);\n\tl=0;\n\tn=len;\n\tif (n == 0)\n\t\t{\n\t\tret->top=0;\n\t\treturn(ret);\n\t\t}\n\ti=((n-1)/BN_BYTES)+1;\n\tm=((n-1)%(BN_BYTES));\n\tif (bn_wexpand(ret, (int)i) == NULL)\n\t\t{\n\t\tif (bn) BN_free(bn);\n\t\treturn NULL;\n\t\t}\n\tret->top=i;\n\tret->neg=0;\n\twhile (n--)\n\t\t{\n\t\tl=(l<<8L)| *(s++);\n\t\tif (m-- == 0)\n\t\t\t{\n\t\t\tret->d[--i]=l;\n\t\t\tl=0;\n\t\t\tm=BN_BYTES-1;\n\t\t\t}\n\t\t}\n\tbn_correct_top(ret);\n\treturn(ret);\n\t}'] |
8,132 | 0 | https://github.com/openssl/openssl/blob/507db4c5313288d55eeb8434b0111201ba363b28/apps/req.c/#L1555 | int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
STACK_OF(OPENSSL_STRING) *sigopts)
{
int rv;
EVP_MD_CTX *mctx = EVP_MD_CTX_new();
rv = do_sign_init(mctx, pkey, md, sigopts);
if (rv > 0)
rv = X509_CRL_sign_ctx(x, mctx);
else
EVP_MD_CTX_free(mctx);
return rv > 0 ? 1 : 0;
} | ['int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,\n STACK_OF(OPENSSL_STRING) *sigopts)\n{\n int rv;\n EVP_MD_CTX *mctx = EVP_MD_CTX_new();\n rv = do_sign_init(mctx, pkey, md, sigopts);\n if (rv > 0)\n rv = X509_CRL_sign_ctx(x, mctx);\n else\n EVP_MD_CTX_free(mctx);\n return rv > 0 ? 1 : 0;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(int num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n if (allow_customize)\n allow_customize = 0;\n if (malloc_debug_func != NULL) {\n if (allow_customize_debug)\n allow_customize_debug = 0;\n malloc_debug_func(NULL, num, file, line, 0);\n }\n ret = malloc_ex_func(num, file, line);\n#ifdef LEVITTE_DEBUG_MEM\n fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n if (malloc_debug_func != NULL)\n malloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,\n const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)\n{\n EVP_PKEY_CTX *pkctx = NULL;\n int i;\n if (ctx == NULL)\n return 0;\n if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))\n return 0;\n for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {\n char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);\n if (pkey_ctrl_string(pkctx, sigopt) <= 0) {\n BIO_printf(bio_err, "parameter error \\"%s\\"\\n", sigopt);\n ERR_print_errors(bio_err);\n return 0;\n }\n }\n return 1;\n}'] |
8,133 | 0 | https://github.com/libav/libav/blob/cb4cb7b0ea12b791dde587b1acd504dbb4ec8f41/libavcodec/hqx.c/#L97 | static inline void idct_col(int16_t *blk, const uint8_t *quant)
{
int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF;
int t10, t11, t12, t13;
int s0, s1, s2, s3, s4, s5, s6, s7;
s0 = (int) blk[0 * 8] * quant[0 * 8];
s1 = (int) blk[1 * 8] * quant[1 * 8];
s2 = (int) blk[2 * 8] * quant[2 * 8];
s3 = (int) blk[3 * 8] * quant[3 * 8];
s4 = (int) blk[4 * 8] * quant[4 * 8];
s5 = (int) blk[5 * 8] * quant[5 * 8];
s6 = (int) blk[6 * 8] * quant[6 * 8];
s7 = (int) blk[7 * 8] * quant[7 * 8];
t0 = (s3 * 19266 + s5 * 12873) >> 15;
t1 = (s5 * 19266 - s3 * 12873) >> 15;
t2 = ((s7 * 4520 + s1 * 22725) >> 15) - t0;
t3 = ((s1 * 4520 - s7 * 22725) >> 15) - t1;
t4 = t0 * 2 + t2;
t5 = t1 * 2 + t3;
t6 = t2 - t3;
t7 = t3 * 2 + t6;
t8 = (t6 * 11585) >> 14;
t9 = (t7 * 11585) >> 14;
tA = (s2 * 8867 - s6 * 21407) >> 14;
tB = (s6 * 8867 + s2 * 21407) >> 14;
tC = (s0 >> 1) - (s4 >> 1);
tD = (s4 >> 1) * 2 + tC;
tE = tC - (tA >> 1);
tF = tD - (tB >> 1);
t10 = tF - t5;
t11 = tE - t8;
t12 = tE + (tA >> 1) * 2 - t9;
t13 = tF + (tB >> 1) * 2 - t4;
blk[0 * 8] = t13 + t4 * 2;
blk[1 * 8] = t12 + t9 * 2;
blk[2 * 8] = t11 + t8 * 2;
blk[3 * 8] = t10 + t5 * 2;
blk[4 * 8] = t10;
blk[5 * 8] = t11;
blk[6 * 8] = t12;
blk[7 * 8] = t13;
} | ['static int hqx_decode_444a(HQXContext *ctx, AVFrame *pic,\n GetBitContext *gb, int x, int y)\n{\n const int *quants;\n int flag = 0;\n int last_dc;\n int i, ret;\n int cbp;\n cbp = get_vlc2(gb, ctx->cbp_vlc.table, ctx->cbp_vlc.bits, 1);\n for (i = 0; i < 16; i++)\n memset(ctx->block[i], 0, sizeof(**ctx->block) * 64);\n for (i = 0; i < 16; i++)\n ctx->block[i][0] = -0x800;\n if (cbp) {\n if (ctx->interlaced)\n flag = get_bits1(gb);\n quants = hqx_quants[get_bits(gb, 4)];\n cbp |= cbp << 4;\n cbp |= cbp << 8;\n for (i = 0; i < 16; i++) {\n if (i == 0 || i == 4 || i == 8 || i == 12)\n last_dc = 0;\n if (cbp & (1 << i)) {\n int vlc_index = ctx->dcb - 9;\n ret = decode_block(gb, &ctx->dc_vlc[vlc_index], quants,\n ctx->dcb, ctx->block[i], &last_dc);\n if (ret < 0)\n return ret;\n }\n }\n }\n put_blocks(pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma);\n put_blocks(pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma);\n put_blocks(pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma);\n put_blocks(pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma);\n put_blocks(pic, 2, x, y, flag, ctx->block[ 8], ctx->block[10], hqx_quant_chroma);\n put_blocks(pic, 2, x + 8, y, flag, ctx->block[ 9], ctx->block[11], hqx_quant_chroma);\n put_blocks(pic, 1, x, y, flag, ctx->block[12], ctx->block[14], hqx_quant_chroma);\n put_blocks(pic, 1, x + 8, y, flag, ctx->block[13], ctx->block[15], hqx_quant_chroma);\n return 0;\n}', 'static inline void put_blocks(AVFrame *pic, int plane,\n int x, int y, int ilace,\n int16_t *block0, int16_t *block1,\n const uint8_t *quant)\n{\n int fields = ilace ? 2 : 1;\n int lsize = pic->linesize[plane];\n uint8_t *p = pic->data[plane] + x * 2;\n hqx_idct_put((uint16_t *)(p + y * lsize), lsize * fields, block0, quant);\n hqx_idct_put((uint16_t *)(p + (y + (ilace ? 1 : 8)) * lsize),\n lsize * fields, block1, quant);\n}', 'static void hqx_idct_put(uint16_t *dst, ptrdiff_t stride,\n int16_t *block, const uint8_t *quant)\n{\n int i, j;\n hqx_idct(block, quant);\n for (i = 0; i < 8; i++) {\n for (j = 0; j < 8; j++) {\n int v = av_clip(block[j + i * 8] + 0x800, 0, 0x1000);\n dst[j] = (v << 4) | (v >> 8);\n }\n dst += stride >> 1;\n }\n}', 'static void hqx_idct(int16_t *block, const uint8_t *quant)\n{\n int i;\n for (i = 0; i < 8; i++)\n idct_col(block + i, quant + i);\n for (i = 0; i < 8; i++)\n idct_row(block + i * 8);\n}', 'static inline void idct_col(int16_t *blk, const uint8_t *quant)\n{\n int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF;\n int t10, t11, t12, t13;\n int s0, s1, s2, s3, s4, s5, s6, s7;\n s0 = (int) blk[0 * 8] * quant[0 * 8];\n s1 = (int) blk[1 * 8] * quant[1 * 8];\n s2 = (int) blk[2 * 8] * quant[2 * 8];\n s3 = (int) blk[3 * 8] * quant[3 * 8];\n s4 = (int) blk[4 * 8] * quant[4 * 8];\n s5 = (int) blk[5 * 8] * quant[5 * 8];\n s6 = (int) blk[6 * 8] * quant[6 * 8];\n s7 = (int) blk[7 * 8] * quant[7 * 8];\n t0 = (s3 * 19266 + s5 * 12873) >> 15;\n t1 = (s5 * 19266 - s3 * 12873) >> 15;\n t2 = ((s7 * 4520 + s1 * 22725) >> 15) - t0;\n t3 = ((s1 * 4520 - s7 * 22725) >> 15) - t1;\n t4 = t0 * 2 + t2;\n t5 = t1 * 2 + t3;\n t6 = t2 - t3;\n t7 = t3 * 2 + t6;\n t8 = (t6 * 11585) >> 14;\n t9 = (t7 * 11585) >> 14;\n tA = (s2 * 8867 - s6 * 21407) >> 14;\n tB = (s6 * 8867 + s2 * 21407) >> 14;\n tC = (s0 >> 1) - (s4 >> 1);\n tD = (s4 >> 1) * 2 + tC;\n tE = tC - (tA >> 1);\n tF = tD - (tB >> 1);\n t10 = tF - t5;\n t11 = tE - t8;\n t12 = tE + (tA >> 1) * 2 - t9;\n t13 = tF + (tB >> 1) * 2 - t4;\n blk[0 * 8] = t13 + t4 * 2;\n blk[1 * 8] = t12 + t9 * 2;\n blk[2 * 8] = t11 + t8 * 2;\n blk[3 * 8] = t10 + t5 * 2;\n blk[4 * 8] = t10;\n blk[5 * 8] = t11;\n blk[6 * 8] = t12;\n blk[7 * 8] = t13;\n}'] |
8,134 | 0 | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L244 | u_char *
ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
{
u_char *p, zero, *last;
int d;
float f, scale;
size_t len, slen;
int64_t i64;
uint64_t ui64;
ngx_msec_t ms;
ngx_uint_t width, sign, hex, max_width, frac_width, i;
ngx_str_t *v;
ngx_variable_value_t *vv;
if (max == 0) {
return buf;
}
last = buf + max;
while (*fmt && buf < last) {
if (*fmt == '%') {
i64 = 0;
ui64 = 0;
zero = (u_char) ((*++fmt == '0') ? '0' : ' ');
width = 0;
sign = 1;
hex = 0;
max_width = 0;
frac_width = 0;
slen = (size_t) -1;
while (*fmt >= '0' && *fmt <= '9') {
width = width * 10 + *fmt++ - '0';
}
for ( ;; ) {
switch (*fmt) {
case 'u':
sign = 0;
fmt++;
continue;
case 'm':
max_width = 1;
fmt++;
continue;
case 'X':
hex = 2;
sign = 0;
fmt++;
continue;
case 'x':
hex = 1;
sign = 0;
fmt++;
continue;
case '.':
fmt++;
while (*fmt >= '0' && *fmt <= '9') {
frac_width = frac_width * 10 + *fmt++ - '0';
}
break;
case '*':
slen = va_arg(args, size_t);
fmt++;
continue;
default:
break;
}
break;
}
switch (*fmt) {
case 'V':
v = va_arg(args, ngx_str_t *);
len = v->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, v->data, len);
fmt++;
continue;
case 'v':
vv = va_arg(args, ngx_variable_value_t *);
len = vv->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, vv->data, len);
fmt++;
continue;
case 's':
p = va_arg(args, u_char *);
if (slen == (size_t) -1) {
while (*p && buf < last) {
*buf++ = *p++;
}
} else {
len = (buf + slen < last) ? slen : (size_t) (last - buf);
buf = ngx_cpymem(buf, p, len);
}
fmt++;
continue;
case 'O':
i64 = (int64_t) va_arg(args, off_t);
sign = 1;
break;
case 'P':
i64 = (int64_t) va_arg(args, ngx_pid_t);
sign = 1;
break;
case 'T':
i64 = (int64_t) va_arg(args, time_t);
sign = 1;
break;
case 'M':
ms = (ngx_msec_t) va_arg(args, ngx_msec_t);
if ((ngx_msec_int_t) ms == -1) {
sign = 1;
i64 = -1;
} else {
sign = 0;
ui64 = (uint64_t) ms;
}
break;
case 'z':
if (sign) {
i64 = (int64_t) va_arg(args, ssize_t);
} else {
ui64 = (uint64_t) va_arg(args, size_t);
}
break;
case 'i':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_uint_t);
}
if (max_width) {
width = NGX_INT_T_LEN;
}
break;
case 'd':
if (sign) {
i64 = (int64_t) va_arg(args, int);
} else {
ui64 = (uint64_t) va_arg(args, u_int);
}
break;
case 'l':
if (sign) {
i64 = (int64_t) va_arg(args, long);
} else {
ui64 = (uint64_t) va_arg(args, u_long);
}
break;
case 'D':
if (sign) {
i64 = (int64_t) va_arg(args, int32_t);
} else {
ui64 = (uint64_t) va_arg(args, uint32_t);
}
break;
case 'L':
if (sign) {
i64 = va_arg(args, int64_t);
} else {
ui64 = va_arg(args, uint64_t);
}
break;
case 'A':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_atomic_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);
}
if (max_width) {
width = NGX_ATOMIC_T_LEN;
}
break;
case 'f':
f = (float) va_arg(args, double);
if (f < 0) {
*buf++ = '-';
f = -f;
}
ui64 = (int64_t) f;
buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);
if (frac_width) {
if (buf < last) {
*buf++ = '.';
}
scale = 1.0;
for (i = 0; i < frac_width; i++) {
scale *= 10.0;
}
ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);
buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);
}
fmt++;
continue;
#if !(NGX_WIN32)
case 'r':
i64 = (int64_t) va_arg(args, rlim_t);
sign = 1;
break;
#endif
case 'p':
ui64 = (uintptr_t) va_arg(args, void *);
hex = 2;
sign = 0;
zero = '0';
width = NGX_PTR_SIZE * 2;
break;
case 'c':
d = va_arg(args, int);
*buf++ = (u_char) (d & 0xff);
fmt++;
continue;
case 'Z':
*buf++ = '\0';
fmt++;
continue;
case 'N':
#if (NGX_WIN32)
*buf++ = CR;
#endif
*buf++ = LF;
fmt++;
continue;
case '%':
*buf++ = '%';
fmt++;
continue;
default:
*buf++ = *fmt++;
continue;
}
if (sign) {
if (i64 < 0) {
*buf++ = '-';
ui64 = (uint64_t) -i64;
} else {
ui64 = (uint64_t) i64;
}
}
buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);
fmt++;
} else {
*buf++ = *fmt++;
}
}
return buf;
} | ['static ngx_int_t\nngx_http_file_cache_add_file(ngx_tree_ctx_t *ctx, ngx_str_t *name)\n{\n u_char *p;\n ngx_fd_t fd;\n ngx_int_t n;\n ngx_uint_t i;\n ngx_file_info_t fi;\n ngx_http_cache_t c;\n ngx_http_file_cache_t *cache;\n ngx_http_file_cache_header_t h;\n if (name->len < 2 * NGX_HTTP_CACHE_KEY_LEN) {\n return NGX_ERROR;\n }\n ngx_memzero(&c, sizeof(ngx_http_cache_t));\n fd = ngx_open_file(name->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);\n if (fd == NGX_INVALID_FILE) {\n ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,\n ngx_open_file_n " \\"%s\\" failed", name->data);\n return NGX_ERROR;\n }\n c.file.fd = fd;\n c.file.name = *name;\n c.file.log = ctx->log;\n n = ngx_read_file(&c.file, (u_char *) &h,\n sizeof(ngx_http_file_cache_header_t), 0);\n if (n == NGX_ERROR) {\n return NGX_ERROR;\n }\n if ((size_t) n < sizeof(ngx_http_file_cache_header_t)) {\n ngx_log_error(NGX_LOG_CRIT, ctx->log, 0,\n "cache file \\"%s\\" is too small", name->data);\n return NGX_ERROR;\n }\n if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,\n ngx_fd_info_n " \\"%s\\" failed", name->data);\n } else {\n c.uniq = ngx_file_uniq(&fi);\n c.valid_sec = h.valid_sec;\n c.valid_msec = h.valid_msec;\n c.body_start = h.body_start;\n c.length = ngx_file_size(&fi);\n }\n if (ngx_close_file(fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,\n ngx_close_file_n " \\"%s\\" failed", name->data);\n }\n if (c.body_start == 0) {\n return NGX_ERROR;\n }\n p = &name->data[name->len - 2 * NGX_HTTP_CACHE_KEY_LEN];\n for (i = 0; i < NGX_HTTP_CACHE_KEY_LEN; i++) {\n n = ngx_hextoi(p, 2);\n if (n == NGX_ERROR) {\n return NGX_ERROR;\n }\n p += 2;\n c.key[i] = (u_char) n;\n }\n cache = ctx->data;\n return ngx_http_file_cache_add(cache, &c);\n}', 'void\nngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,\n const char *fmt, ...)\n#else\nvoid\nngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,\n const char *fmt, va_list args)\n#endif\n{\n#if (NGX_HAVE_VARIADIC_MACROS)\n va_list args;\n#endif\n u_char errstr[NGX_MAX_ERROR_STR], *p, *last;\n if (log->file->fd == NGX_INVALID_FILE) {\n return;\n }\n last = errstr + NGX_MAX_ERROR_STR;\n ngx_memcpy(errstr, ngx_cached_err_log_time.data,\n ngx_cached_err_log_time.len);\n p = errstr + ngx_cached_err_log_time.len;\n p = ngx_snprintf(p, last - p, " [%s] ", err_levels[level]);\n p = ngx_snprintf(p, last - p, "%P#" NGX_TID_T_FMT ": ",\n ngx_log_pid, ngx_log_tid);\n if (log->connection) {\n p = ngx_snprintf(p, last - p, "*%uA ", log->connection);\n }\n#if (NGX_HAVE_VARIADIC_MACROS)\n va_start(args, fmt);\n p = ngx_vsnprintf(p, last - p, fmt, args);\n va_end(args);\n#else\n p = ngx_vsnprintf(p, last - p, fmt, args);\n#endif\n if (err) {\n if (p > last - 50) {\n p = last - 50;\n *p++ = \'.\';\n *p++ = \'.\';\n *p++ = \'.\';\n }\n#if (NGX_WIN32)\n p = ngx_snprintf(p, last - p, ((unsigned) err < 0x80000000)\n ? " (%d: " : " (%Xd: ", err);\n#else\n p = ngx_snprintf(p, last - p, " (%d: ", err);\n#endif\n p = ngx_strerror_r(err, p, last - p);\n if (p < last) {\n *p++ = \')\';\n }\n }\n if (level != NGX_LOG_DEBUG && log->handler) {\n p = log->handler(log, p, last - p);\n }\n if (p > last - NGX_LINEFEED_SIZE) {\n p = last - NGX_LINEFEED_SIZE;\n }\n ngx_linefeed(p);\n (void) ngx_write_fd(log->file->fd, errstr, p - errstr);\n}', 'u_char * ngx_cdecl\nngx_snprintf(u_char *buf, size_t max, const char *fmt, ...)\n{\n u_char *p;\n va_list args;\n va_start(args, fmt);\n p = ngx_vsnprintf(buf, max, fmt, args);\n va_end(args);\n return p;\n}', "u_char *\nngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)\n{\n u_char *p, zero, *last;\n int d;\n float f, scale;\n size_t len, slen;\n int64_t i64;\n uint64_t ui64;\n ngx_msec_t ms;\n ngx_uint_t width, sign, hex, max_width, frac_width, i;\n ngx_str_t *v;\n ngx_variable_value_t *vv;\n if (max == 0) {\n return buf;\n }\n last = buf + max;\n while (*fmt && buf < last) {\n if (*fmt == '%') {\n i64 = 0;\n ui64 = 0;\n zero = (u_char) ((*++fmt == '0') ? '0' : ' ');\n width = 0;\n sign = 1;\n hex = 0;\n max_width = 0;\n frac_width = 0;\n slen = (size_t) -1;\n while (*fmt >= '0' && *fmt <= '9') {\n width = width * 10 + *fmt++ - '0';\n }\n for ( ;; ) {\n switch (*fmt) {\n case 'u':\n sign = 0;\n fmt++;\n continue;\n case 'm':\n max_width = 1;\n fmt++;\n continue;\n case 'X':\n hex = 2;\n sign = 0;\n fmt++;\n continue;\n case 'x':\n hex = 1;\n sign = 0;\n fmt++;\n continue;\n case '.':\n fmt++;\n while (*fmt >= '0' && *fmt <= '9') {\n frac_width = frac_width * 10 + *fmt++ - '0';\n }\n break;\n case '*':\n slen = va_arg(args, size_t);\n fmt++;\n continue;\n default:\n break;\n }\n break;\n }\n switch (*fmt) {\n case 'V':\n v = va_arg(args, ngx_str_t *);\n len = v->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, v->data, len);\n fmt++;\n continue;\n case 'v':\n vv = va_arg(args, ngx_variable_value_t *);\n len = vv->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, vv->data, len);\n fmt++;\n continue;\n case 's':\n p = va_arg(args, u_char *);\n if (slen == (size_t) -1) {\n while (*p && buf < last) {\n *buf++ = *p++;\n }\n } else {\n len = (buf + slen < last) ? slen : (size_t) (last - buf);\n buf = ngx_cpymem(buf, p, len);\n }\n fmt++;\n continue;\n case 'O':\n i64 = (int64_t) va_arg(args, off_t);\n sign = 1;\n break;\n case 'P':\n i64 = (int64_t) va_arg(args, ngx_pid_t);\n sign = 1;\n break;\n case 'T':\n i64 = (int64_t) va_arg(args, time_t);\n sign = 1;\n break;\n case 'M':\n ms = (ngx_msec_t) va_arg(args, ngx_msec_t);\n if ((ngx_msec_int_t) ms == -1) {\n sign = 1;\n i64 = -1;\n } else {\n sign = 0;\n ui64 = (uint64_t) ms;\n }\n break;\n case 'z':\n if (sign) {\n i64 = (int64_t) va_arg(args, ssize_t);\n } else {\n ui64 = (uint64_t) va_arg(args, size_t);\n }\n break;\n case 'i':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_uint_t);\n }\n if (max_width) {\n width = NGX_INT_T_LEN;\n }\n break;\n case 'd':\n if (sign) {\n i64 = (int64_t) va_arg(args, int);\n } else {\n ui64 = (uint64_t) va_arg(args, u_int);\n }\n break;\n case 'l':\n if (sign) {\n i64 = (int64_t) va_arg(args, long);\n } else {\n ui64 = (uint64_t) va_arg(args, u_long);\n }\n break;\n case 'D':\n if (sign) {\n i64 = (int64_t) va_arg(args, int32_t);\n } else {\n ui64 = (uint64_t) va_arg(args, uint32_t);\n }\n break;\n case 'L':\n if (sign) {\n i64 = va_arg(args, int64_t);\n } else {\n ui64 = va_arg(args, uint64_t);\n }\n break;\n case 'A':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_atomic_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);\n }\n if (max_width) {\n width = NGX_ATOMIC_T_LEN;\n }\n break;\n case 'f':\n f = (float) va_arg(args, double);\n if (f < 0) {\n *buf++ = '-';\n f = -f;\n }\n ui64 = (int64_t) f;\n buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);\n if (frac_width) {\n if (buf < last) {\n *buf++ = '.';\n }\n scale = 1.0;\n for (i = 0; i < frac_width; i++) {\n scale *= 10.0;\n }\n ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);\n buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);\n }\n fmt++;\n continue;\n#if !(NGX_WIN32)\n case 'r':\n i64 = (int64_t) va_arg(args, rlim_t);\n sign = 1;\n break;\n#endif\n case 'p':\n ui64 = (uintptr_t) va_arg(args, void *);\n hex = 2;\n sign = 0;\n zero = '0';\n width = NGX_PTR_SIZE * 2;\n break;\n case 'c':\n d = va_arg(args, int);\n *buf++ = (u_char) (d & 0xff);\n fmt++;\n continue;\n case 'Z':\n *buf++ = '\\0';\n fmt++;\n continue;\n case 'N':\n#if (NGX_WIN32)\n *buf++ = CR;\n#endif\n *buf++ = LF;\n fmt++;\n continue;\n case '%':\n *buf++ = '%';\n fmt++;\n continue;\n default:\n *buf++ = *fmt++;\n continue;\n }\n if (sign) {\n if (i64 < 0) {\n *buf++ = '-';\n ui64 = (uint64_t) -i64;\n } else {\n ui64 = (uint64_t) i64;\n }\n }\n buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);\n fmt++;\n } else {\n *buf++ = *fmt++;\n }\n }\n return buf;\n}"] |
8,135 | 0 | https://github.com/libav/libav/blob/838ed296df913dde55a573ccfae5b0a4ef934cfa/libavfilter/buffer.c/#L79 | void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
if (!(--ref->buf->refcount))
ref->buf->free(ref->buf);
if (ref->extended_data != ref->data)
av_freep(&ref->extended_data);
av_free(ref->video);
av_free(ref->audio);
av_free(ref);
} | ['static int filter_frame(AVFilterLink *link, AVFilterBufferRef *in)\n{\n ScaleContext *scale = link->dst->priv;\n AVFilterLink *outlink = link->dst->outputs[0];\n AVFilterBufferRef *out;\n const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);\n if (!scale->sws)\n return ff_filter_frame(outlink, in);\n scale->hsub = desc->log2_chroma_w;\n scale->vsub = desc->log2_chroma_h;\n out = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);\n if (!out) {\n avfilter_unref_bufferp(&in);\n return AVERROR(ENOMEM);\n }\n avfilter_copy_buffer_ref_props(out, in);\n out->video->w = outlink->w;\n out->video->h = outlink->h;\n av_reduce(&out->video->pixel_aspect.num, &out->video->pixel_aspect.den,\n (int64_t)in->video->pixel_aspect.num * outlink->h * link->w,\n (int64_t)in->video->pixel_aspect.den * outlink->w * link->h,\n INT_MAX);\n sws_scale(scale->sws, in->data, in->linesize, 0, in->video->h,\n out->data, out->linesize);\n avfilter_unref_bufferp(&in);\n return ff_filter_frame(outlink, out);\n}', 'int av_reduce(int *dst_num, int *dst_den,\n int64_t num, int64_t den, int64_t max)\n{\n AVRational a0 = { 0, 1 }, a1 = { 1, 0 };\n int sign = (num < 0) ^ (den < 0);\n int64_t gcd = av_gcd(FFABS(num), FFABS(den));\n if (gcd) {\n num = FFABS(num) / gcd;\n den = FFABS(den) / gcd;\n }\n if (num <= max && den <= max) {\n a1 = (AVRational) { num, den };\n den = 0;\n }\n while (den) {\n uint64_t x = num / den;\n int64_t next_den = num - den * x;\n int64_t a2n = x * a1.num + a0.num;\n int64_t a2d = x * a1.den + a0.den;\n if (a2n > max || a2d > max) {\n if (a1.num) x = (max - a0.num) / a1.num;\n if (a1.den) x = FFMIN(x, (max - a0.den) / a1.den);\n if (den * (2 * x * a1.den + a0.den) > num * a1.den)\n a1 = (AVRational) { x * a1.num + a0.num, x * a1.den + a0.den };\n break;\n }\n a0 = a1;\n a1 = (AVRational) { a2n, a2d };\n num = den;\n den = next_den;\n }\n av_assert2(av_gcd(a1.num, a1.den) <= 1U);\n *dst_num = sign ? -a1.num : a1.num;\n *dst_den = a1.den;\n return den == 0;\n}', 'int attribute_align_arg sws_scale(struct SwsContext *c,\n const uint8_t * const srcSlice[],\n const int srcStride[], int srcSliceY,\n int srcSliceH, uint8_t *const dst[],\n const int dstStride[])\n{\n int i;\n const uint8_t *src2[4] = { srcSlice[0], srcSlice[1], srcSlice[2], srcSlice[3] };\n uint8_t *dst2[4] = { dst[0], dst[1], dst[2], dst[3] };\n if (srcSliceH == 0)\n return 0;\n if (!check_image_pointers(srcSlice, c->srcFormat, srcStride)) {\n av_log(c, AV_LOG_ERROR, "bad src image pointers\\n");\n return 0;\n }\n if (!check_image_pointers(dst, c->dstFormat, dstStride)) {\n av_log(c, AV_LOG_ERROR, "bad dst image pointers\\n");\n return 0;\n }\n if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {\n av_log(c, AV_LOG_ERROR, "Slices start in the middle!\\n");\n return 0;\n }\n if (c->sliceDir == 0) {\n if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;\n }\n if (usePal(c->srcFormat)) {\n for (i = 0; i < 256; i++) {\n int p, r, g, b, y, u, v;\n if (c->srcFormat == AV_PIX_FMT_PAL8) {\n p = ((const uint32_t *)(srcSlice[1]))[i];\n r = (p >> 16) & 0xFF;\n g = (p >> 8) & 0xFF;\n b = p & 0xFF;\n } else if (c->srcFormat == AV_PIX_FMT_RGB8) {\n r = ( i >> 5 ) * 36;\n g = ((i >> 2) & 7) * 36;\n b = ( i & 3) * 85;\n } else if (c->srcFormat == AV_PIX_FMT_BGR8) {\n b = ( i >> 6 ) * 85;\n g = ((i >> 3) & 7) * 36;\n r = ( i & 7) * 36;\n } else if (c->srcFormat == AV_PIX_FMT_RGB4_BYTE) {\n r = ( i >> 3 ) * 255;\n g = ((i >> 1) & 3) * 85;\n b = ( i & 1) * 255;\n } else if (c->srcFormat == AV_PIX_FMT_GRAY8 ||\n c->srcFormat == AV_PIX_FMT_Y400A) {\n r = g = b = i;\n } else {\n assert(c->srcFormat == AV_PIX_FMT_BGR4_BYTE);\n b = ( i >> 3 ) * 255;\n g = ((i >> 1) & 3) * 85;\n r = ( i & 1) * 255;\n }\n y = av_clip_uint8((RY * r + GY * g + BY * b + ( 33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);\n u = av_clip_uint8((RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);\n v = av_clip_uint8((RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);\n c->pal_yuv[i] = y + (u << 8) + (v << 16);\n switch (c->dstFormat) {\n case AV_PIX_FMT_BGR32:\n#if !HAVE_BIGENDIAN\n case AV_PIX_FMT_RGB24:\n#endif\n c->pal_rgb[i] = r + (g << 8) + (b << 16);\n break;\n case AV_PIX_FMT_BGR32_1:\n#if HAVE_BIGENDIAN\n case AV_PIX_FMT_BGR24:\n#endif\n c->pal_rgb[i] = (r + (g << 8) + (b << 16)) << 8;\n break;\n case AV_PIX_FMT_RGB32_1:\n#if HAVE_BIGENDIAN\n case AV_PIX_FMT_RGB24:\n#endif\n c->pal_rgb[i] = (b + (g << 8) + (r << 16)) << 8;\n break;\n case AV_PIX_FMT_RGB32:\n#if !HAVE_BIGENDIAN\n case AV_PIX_FMT_BGR24:\n#endif\n default:\n c->pal_rgb[i] = b + (g << 8) + (r << 16);\n }\n }\n }\n if (c->sliceDir == 1) {\n int srcStride2[4] = { srcStride[0], srcStride[1], srcStride[2],\n srcStride[3] };\n int dstStride2[4] = { dstStride[0], dstStride[1], dstStride[2],\n dstStride[3] };\n reset_ptr(src2, c->srcFormat);\n reset_ptr((const uint8_t **) dst2, c->dstFormat);\n if (srcSliceY + srcSliceH == c->srcH)\n c->sliceDir = 0;\n return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2,\n dstStride2);\n } else {\n int srcStride2[4] = { -srcStride[0], -srcStride[1], -srcStride[2],\n -srcStride[3] };\n int dstStride2[4] = { -dstStride[0], -dstStride[1], -dstStride[2],\n -dstStride[3] };\n src2[0] += (srcSliceH - 1) * srcStride[0];\n if (!usePal(c->srcFormat))\n src2[1] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[1];\n src2[2] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[2];\n src2[3] += (srcSliceH - 1) * srcStride[3];\n dst2[0] += ( c->dstH - 1) * dstStride[0];\n dst2[1] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[1];\n dst2[2] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[2];\n dst2[3] += ( c->dstH - 1) * dstStride[3];\n reset_ptr(src2, c->srcFormat);\n reset_ptr((const uint8_t **) dst2, c->dstFormat);\n if (!srcSliceY)\n c->sliceDir = 0;\n return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH,\n srcSliceH, dst2, dstStride2);\n }\n}', 'int ff_filter_frame(AVFilterLink *link, AVFilterBufferRef *frame)\n{\n int (*filter_frame)(AVFilterLink *, AVFilterBufferRef *);\n AVFilterPad *dst = link->dstpad;\n AVFilterBufferRef *out;\n int perms = frame->perms;\n FF_DPRINTF_START(NULL, filter_frame);\n ff_dlog_link(NULL, link, 1);\n if (!(filter_frame = dst->filter_frame))\n filter_frame = default_filter_frame;\n if (frame->linesize[0] < 0)\n perms |= AV_PERM_NEG_LINESIZES;\n if ((dst->min_perms & perms) != dst->min_perms ||\n dst->rej_perms & perms) {\n av_log(link->dst, AV_LOG_DEBUG,\n "Copying data in avfilter (have perms %x, need %x, reject %x)\\n",\n perms, link->dstpad->min_perms, link->dstpad->rej_perms);\n switch (link->type) {\n case AVMEDIA_TYPE_VIDEO:\n out = ff_get_video_buffer(link, dst->min_perms,\n link->w, link->h);\n break;\n case AVMEDIA_TYPE_AUDIO:\n out = ff_get_audio_buffer(link, dst->min_perms,\n frame->audio->nb_samples);\n break;\n default: return AVERROR(EINVAL);\n }\n if (!out) {\n avfilter_unref_buffer(frame);\n return AVERROR(ENOMEM);\n }\n avfilter_copy_buffer_ref_props(out, frame);\n switch (link->type) {\n case AVMEDIA_TYPE_VIDEO:\n av_image_copy(out->data, out->linesize, frame->data, frame->linesize,\n frame->format, frame->video->w, frame->video->h);\n break;\n case AVMEDIA_TYPE_AUDIO:\n av_samples_copy(out->extended_data, frame->extended_data,\n 0, 0, frame->audio->nb_samples,\n av_get_channel_layout_nb_channels(frame->audio->channel_layout),\n frame->format);\n break;\n default: return AVERROR(EINVAL);\n }\n avfilter_unref_buffer(frame);\n } else\n out = frame;\n return filter_frame(link, out);\n}', 'void avfilter_unref_buffer(AVFilterBufferRef *ref)\n{\n if (!ref)\n return;\n if (!(--ref->buf->refcount))\n ref->buf->free(ref->buf);\n if (ref->extended_data != ref->data)\n av_freep(&ref->extended_data);\n av_free(ref->video);\n av_free(ref->audio);\n av_free(ref);\n}'] |
8,136 | 0 | https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/mem.c/#L244 | void CRYPTO_free(void *str)
{
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (call_malloc_debug) {
CRYPTO_mem_debug_free(str, 0);
free(str);
CRYPTO_mem_debug_free(str, 1);
} else {
free(str);
}
#else
free(str);
#endif
} | ['int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,\n int len)\n{\n static const unsigned char *salt[3] = {\n#ifndef CHARSET_EBCDIC\n (const unsigned char *)"A",\n (const unsigned char *)"BB",\n (const unsigned char *)"CCC",\n#else\n (const unsigned char *)"\\x41",\n (const unsigned char *)"\\x42\\x42",\n (const unsigned char *)"\\x43\\x43\\x43",\n#endif\n };\n unsigned char buf[EVP_MAX_MD_SIZE];\n EVP_MD_CTX *ctx = EVP_MD_CTX_new();\n int i, ret = 0;\n unsigned int n;\n#ifdef OPENSSL_SSL_TRACE_CRYPTO\n unsigned char *tmpout = out;\n#endif\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n for (i = 0; i < 3; i++) {\n if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0\n || EVP_DigestUpdate(ctx, salt[i],\n strlen((const char *)salt[i])) <= 0\n || EVP_DigestUpdate(ctx, p, len) <= 0\n || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),\n SSL3_RANDOM_SIZE) <= 0\n || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),\n SSL3_RANDOM_SIZE) <= 0\n || EVP_DigestFinal_ex(ctx, buf, &n) <= 0\n || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0\n || EVP_DigestUpdate(ctx, p, len) <= 0\n || EVP_DigestUpdate(ctx, buf, n) <= 0\n || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {\n SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);\n ret = 0;\n break;\n }\n out += n;\n ret += n;\n }\n EVP_MD_CTX_free(ctx);\n#ifdef OPENSSL_SSL_TRACE_CRYPTO\n if (ret > 0 && s->msg_callback) {\n s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,\n p, len, s, s->msg_callback_arg);\n s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,\n s->s3->client_random, SSL3_RANDOM_SIZE,\n s, s->msg_callback_arg);\n s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,\n s->s3->server_random, SSL3_RANDOM_SIZE,\n s, s->msg_callback_arg);\n s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,\n tmpout, SSL3_MASTER_SECRET_SIZE,\n s, s->msg_callback_arg);\n }\n#endif\n OPENSSL_cleanse(buf, sizeof(buf));\n return (ret);\n}', 'int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)\n{\n EVP_MD_CTX_clear_flags(ctx, EVP_MD_CTX_FLAG_CLEANED);\n#ifndef OPENSSL_NO_ENGINE\n if (ctx->engine && ctx->digest && (!type ||\n (type\n && (type->type ==\n ctx->digest->type))))\n goto skip_to_init;\n if (type) {\n if (ctx->engine)\n ENGINE_finish(ctx->engine);\n if (impl) {\n if (!ENGINE_init(impl)) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);\n return 0;\n }\n } else\n impl = ENGINE_get_digest_engine(type->type);\n if (impl) {\n const EVP_MD *d = ENGINE_get_digest(impl, type->type);\n if (!d) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);\n ENGINE_finish(impl);\n return 0;\n }\n type = d;\n ctx->engine = impl;\n } else\n ctx->engine = NULL;\n } else {\n if (!ctx->digest) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_NO_DIGEST_SET);\n return 0;\n }\n type = ctx->digest;\n }\n#endif\n if (ctx->digest != type) {\n if (ctx->digest && ctx->digest->ctx_size)\n OPENSSL_free(ctx->md_data);\n ctx->digest = type;\n if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size) {\n ctx->update = type->update;\n ctx->md_data = OPENSSL_malloc(type->ctx_size);\n if (ctx->md_data == NULL) {\n EVPerr(EVP_F_EVP_DIGESTINIT_EX, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n }\n }\n#ifndef OPENSSL_NO_ENGINE\n skip_to_init:\n#endif\n if (ctx->pctx) {\n int r;\n r = EVP_PKEY_CTX_ctrl(ctx->pctx, -1, EVP_PKEY_OP_TYPE_SIG,\n EVP_PKEY_CTRL_DIGESTINIT, 0, ctx);\n if (r <= 0 && (r != -2))\n return 0;\n }\n if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT)\n return 1;\n return ctx->digest->init(ctx);\n}', 'void CRYPTO_free(void *str)\n{\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0);\n free(str);\n CRYPTO_mem_debug_free(str, 1);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
8,137 | 0 | https://github.com/openssl/openssl/blob/ed371b8cbac0d0349667558c061c1ae380cf75eb/crypto/bn/bn_lib.c/#L703 | int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n)
{
int i;
BN_ULONG aa, bb;
aa = a[n - 1];
bb = b[n - 1];
if (aa != bb)
return ((aa > bb) ? 1 : -1);
for (i = n - 2; i >= 0; i--) {
aa = a[i];
bb = b[i];
if (aa != bb)
return ((aa > bb) ? 1 : -1);
}
return 0;
} | ['int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_RECP_CTX recp;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_RECP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(r);\n } else {\n ret = BN_one(r);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n aa = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n BN_RECP_CTX_init(&recp);\n if (m->neg) {\n if (!BN_copy(aa, m))\n goto err;\n aa->neg = 0;\n if (BN_RECP_CTX_set(&recp, aa, ctx) <= 0)\n goto err;\n } else {\n if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)\n goto err;\n }\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n if (BN_is_zero(val[0])) {\n BN_zero(r);\n ret = 1;\n goto err;\n }\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_reciprocal(val[i], val[i - 1], aa, &recp, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n if (!BN_one(r))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start)\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n }\n if (!BN_mod_mul_reciprocal(r, r, val[wvalue >> 1], &recp, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_RECP_CTX_free(&recp);\n bn_check_top(r);\n return ret;\n}', 'int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!BN_copy(&(recp->N), d))\n return 0;\n BN_zero(&(recp->Nr));\n recp->num_bits = BN_num_bits(d);\n recp->shift = 0;\n return 1;\n}', 'int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *a;\n const BIGNUM *ca;\n BN_CTX_start(ctx);\n if ((a = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (y != NULL) {\n if (x == y) {\n if (!BN_sqr(a, x, ctx))\n goto err;\n } else {\n if (!BN_mul(a, x, y, ctx))\n goto err;\n }\n ca = a;\n } else\n ca = x;\n ret = BN_div_recp(NULL, r, ca, recp, ctx);\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return ret;\n}', 'int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int i, j, ret = 0;\n BIGNUM *a, *b, *d, *r;\n BN_CTX_start(ctx);\n d = (dv != NULL) ? dv : BN_CTX_get(ctx);\n r = (rem != NULL) ? rem : BN_CTX_get(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (b == NULL)\n goto err;\n if (BN_ucmp(m, &(recp->N)) < 0) {\n BN_zero(d);\n if (!BN_copy(r, m)) {\n BN_CTX_end(ctx);\n return 0;\n }\n BN_CTX_end(ctx);\n return 1;\n }\n i = BN_num_bits(m);\n j = recp->num_bits << 1;\n if (j > i)\n i = j;\n if (i != recp->shift)\n recp->shift = BN_reciprocal(&(recp->Nr), &(recp->N), i, ctx);\n if (recp->shift == -1)\n goto err;\n if (!BN_rshift(a, m, recp->num_bits))\n goto err;\n if (!BN_mul(b, a, &(recp->Nr), ctx))\n goto err;\n if (!BN_rshift(d, b, i - recp->num_bits))\n goto err;\n d->neg = 0;\n if (!BN_mul(b, &(recp->N), d, ctx))\n goto err;\n if (!BN_usub(r, m, b))\n goto err;\n r->neg = 0;\n j = 0;\n while (BN_ucmp(r, &(recp->N)) >= 0) {\n if (j++ > 2) {\n BNerr(BN_F_BN_DIV_RECP, BN_R_BAD_RECIPROCAL);\n goto err;\n }\n if (!BN_usub(r, r, &(recp->N)))\n goto err;\n if (!BN_add_word(d, 1))\n goto err;\n }\n r->neg = BN_is_zero(r) ? 0 : m->neg;\n d->neg = m->neg ^ recp->N.neg;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(dv);\n bn_check_top(rem);\n return ret;\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = bn_mul_fixed_top(r, a, b, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return 1;\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,\n int tna, int tnb, BN_ULONG *t)\n{\n int i, j, n2 = n * 2;\n int c1, c2, neg;\n BN_ULONG ln, lo, *p;\n if (n < 8) {\n bn_mul_normal(r, a, n + tna, b, n + tnb);\n return;\n }\n c1 = bn_cmp_part_words(a, &(a[n]), tna, n - tna);\n c2 = bn_cmp_part_words(&(b[n]), b, tnb, tnb - n);\n neg = 0;\n switch (c1 * 3 + c2) {\n case -4:\n bn_sub_part_words(t, &(a[n]), a, tna, tna - n);\n bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb);\n break;\n case -3:\n case -2:\n bn_sub_part_words(t, &(a[n]), a, tna, tna - n);\n bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n);\n neg = 1;\n break;\n case -1:\n case 0:\n case 1:\n case 2:\n bn_sub_part_words(t, a, &(a[n]), tna, n - tna);\n bn_sub_part_words(&(t[n]), b, &(b[n]), tnb, n - tnb);\n neg = 1;\n break;\n case 3:\n case 4:\n bn_sub_part_words(t, a, &(a[n]), tna, n - tna);\n bn_sub_part_words(&(t[n]), &(b[n]), b, tnb, tnb - n);\n break;\n }\n# if 0\n if (n == 4) {\n bn_mul_comba4(&(t[n2]), t, &(t[n]));\n bn_mul_comba4(r, a, b);\n bn_mul_normal(&(r[n2]), &(a[n]), tn, &(b[n]), tn);\n memset(&r[n2 + tn * 2], 0, sizeof(*r) * (n2 - tn * 2));\n } else\n# endif\n if (n == 8) {\n bn_mul_comba8(&(t[n2]), t, &(t[n]));\n bn_mul_comba8(r, a, b);\n bn_mul_normal(&(r[n2]), &(a[n]), tna, &(b[n]), tnb);\n memset(&r[n2 + tna + tnb], 0, sizeof(*r) * (n2 - tna - tnb));\n } else {\n p = &(t[n2 * 2]);\n bn_mul_recursive(&(t[n2]), t, &(t[n]), n, 0, 0, p);\n bn_mul_recursive(r, a, b, n, 0, 0, p);\n i = n / 2;\n if (tna > tnb)\n j = tna - i;\n else\n j = tnb - i;\n if (j == 0) {\n bn_mul_recursive(&(r[n2]), &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n memset(&r[n2 + i * 2], 0, sizeof(*r) * (n2 - i * 2));\n } else if (j > 0) {\n bn_mul_part_recursive(&(r[n2]), &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n memset(&(r[n2 + tna + tnb]), 0,\n sizeof(BN_ULONG) * (n2 - tna - tnb));\n } else {\n memset(&r[n2], 0, sizeof(*r) * n2);\n if (tna < BN_MUL_RECURSIVE_SIZE_NORMAL\n && tnb < BN_MUL_RECURSIVE_SIZE_NORMAL) {\n bn_mul_normal(&(r[n2]), &(a[n]), tna, &(b[n]), tnb);\n } else {\n for (;;) {\n i /= 2;\n if (i < tna || i < tnb) {\n bn_mul_part_recursive(&(r[n2]),\n &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n break;\n } else if (i == tna || i == tnb) {\n bn_mul_recursive(&(r[n2]),\n &(a[n]), &(b[n]),\n i, tna - i, tnb - i, p);\n break;\n }\n }\n }\n }\n }\n c1 = (int)(bn_add_words(t, r, &(r[n2]), n2));\n if (neg) {\n c1 -= (int)(bn_sub_words(&(t[n2]), t, &(t[n2]), n2));\n } else {\n c1 += (int)(bn_add_words(&(t[n2]), &(t[n2]), t, n2));\n }\n c1 += (int)(bn_add_words(&(r[n]), &(r[n]), &(t[n2]), n2));\n if (c1) {\n p = &(r[n + n2]);\n lo = *p;\n ln = (lo + c1) & BN_MASK2;\n *p = ln;\n if (ln < (BN_ULONG)c1) {\n do {\n p++;\n lo = *p;\n ln = (lo + 1) & BN_MASK2;\n *p = ln;\n } while (ln == 0);\n }\n }\n}', 'int bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b, int cl, int dl)\n{\n int n, i;\n n = cl - 1;\n if (dl < 0) {\n for (i = dl; i < 0; i++) {\n if (b[n - i] != 0)\n return -1;\n }\n }\n if (dl > 0) {\n for (i = dl; i > 0; i--) {\n if (a[n + i] != 0)\n return 1;\n }\n }\n return bn_cmp_words(a, b, cl);\n}', 'int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n)\n{\n int i;\n BN_ULONG aa, bb;\n aa = a[n - 1];\n bb = b[n - 1];\n if (aa != bb)\n return ((aa > bb) ? 1 : -1);\n for (i = n - 2; i >= 0; i--) {\n aa = a[i];\n bb = b[i];\n if (aa != bb)\n return ((aa > bb) ? 1 : -1);\n }\n return 0;\n}'] |
8,138 | 0 | https://github.com/libav/libav/blob/13c7df3dc0625d7a559a7f02644c27755e0569bd/ffmpeg.c/#L2729 | static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
{
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
if(!name)
return CODEC_ID_NONE;
codec = encoder ?
avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
if(!codec) {
av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
av_exit(1);
}
if(codec->type != type) {
av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
av_exit(1);
}
return codec->id;
} | ['static enum CodecID find_codec_or_die(const char *name, int type, int encoder)\n{\n const char *codec_string = encoder ? "encoder" : "decoder";\n AVCodec *codec;\n if(!name)\n return CODEC_ID_NONE;\n codec = encoder ?\n avcodec_find_encoder_by_name(name) :\n avcodec_find_decoder_by_name(name);\n if(!codec) {\n av_log(NULL, AV_LOG_ERROR, "Unknown %s \'%s\'\\n", codec_string, name);\n av_exit(1);\n }\n if(codec->type != type) {\n av_log(NULL, AV_LOG_ERROR, "Invalid %s type \'%s\'\\n", codec_string, name);\n av_exit(1);\n }\n return codec->id;\n}'] |
8,139 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n int num = mont->N.top;\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return 0;\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n bn_correct_top(r);\n return 1;\n }\n }\n#endif\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!BN_sqr(tmp, a, ctx))\n goto err;\n } else {\n if (!BN_mul(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!BN_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
8,140 | 0 | https://github.com/openssl/openssl/blob/2864df8f9d3264e19b49a246e272fb513f4c1be3/crypto/bn/bn_ctx.c/#L270 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int ecp_nistz256_points_mul(const EC_GROUP *group,\n EC_POINT *r,\n const BIGNUM *scalar,\n size_t num,\n const EC_POINT *points[],\n const BIGNUM *scalars[], BN_CTX *ctx)\n{\n int i = 0, ret = 0, no_precomp_for_generator = 0, p_is_infinity = 0;\n unsigned char p_str[33] = { 0 };\n const PRECOMP256_ROW *preComputedTable = NULL;\n const NISTZ256_PRE_COMP *pre_comp = NULL;\n const EC_POINT *generator = NULL;\n const BIGNUM **new_scalars = NULL;\n const EC_POINT **new_points = NULL;\n unsigned int idx = 0;\n const unsigned int window_size = 7;\n const unsigned int mask = (1 << (window_size + 1)) - 1;\n unsigned int wvalue;\n ALIGN32 union {\n P256_POINT p;\n P256_POINT_AFFINE a;\n } t, p;\n BIGNUM *tmp_scalar;\n if ((num + 1) == 0 || (num + 1) > OPENSSL_MALLOC_MAX_NELEMS(void *)) {\n ECerr(EC_F_ECP_NISTZ256_POINTS_MUL, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n BN_CTX_start(ctx);\n if (scalar) {\n generator = EC_GROUP_get0_generator(group);\n if (generator == NULL) {\n ECerr(EC_F_ECP_NISTZ256_POINTS_MUL, EC_R_UNDEFINED_GENERATOR);\n goto err;\n }\n pre_comp = group->pre_comp.nistz256;\n if (pre_comp) {\n EC_POINT *pre_comp_generator = EC_POINT_new(group);\n if (pre_comp_generator == NULL)\n goto err;\n ecp_nistz256_gather_w7(&p.a, pre_comp->precomp[0], 1);\n if (!ecp_nistz256_set_from_affine(pre_comp_generator,\n group, &p.a, ctx)) {\n EC_POINT_free(pre_comp_generator);\n goto err;\n }\n if (0 == EC_POINT_cmp(group, generator, pre_comp_generator, ctx))\n preComputedTable = (const PRECOMP256_ROW *)pre_comp->precomp;\n EC_POINT_free(pre_comp_generator);\n }\n if (preComputedTable == NULL && ecp_nistz256_is_affine_G(generator)) {\n preComputedTable = ecp_nistz256_precomputed;\n }\n if (preComputedTable) {\n if ((BN_num_bits(scalar) > 256)\n || BN_is_negative(scalar)) {\n if ((tmp_scalar = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_nnmod(tmp_scalar, scalar, group->order, ctx)) {\n ECerr(EC_F_ECP_NISTZ256_POINTS_MUL, ERR_R_BN_LIB);\n goto err;\n }\n scalar = tmp_scalar;\n }\n for (i = 0; i < bn_get_top(scalar) * BN_BYTES; i += BN_BYTES) {\n BN_ULONG d = bn_get_words(scalar)[i / BN_BYTES];\n p_str[i + 0] = (unsigned char)d;\n p_str[i + 1] = (unsigned char)(d >> 8);\n p_str[i + 2] = (unsigned char)(d >> 16);\n p_str[i + 3] = (unsigned char)(d >>= 24);\n if (BN_BYTES == 8) {\n d >>= 8;\n p_str[i + 4] = (unsigned char)d;\n p_str[i + 5] = (unsigned char)(d >> 8);\n p_str[i + 6] = (unsigned char)(d >> 16);\n p_str[i + 7] = (unsigned char)(d >> 24);\n }\n }\n for (; i < 33; i++)\n p_str[i] = 0;\n#if defined(ECP_NISTZ256_AVX2)\n if (ecp_nistz_avx2_eligible()) {\n ecp_nistz256_avx2_mul_g(&p.p, p_str, preComputedTable);\n } else\n#endif\n {\n BN_ULONG infty;\n wvalue = (p_str[0] << 1) & mask;\n idx += window_size;\n wvalue = _booth_recode_w7(wvalue);\n ecp_nistz256_gather_w7(&p.a, preComputedTable[0],\n wvalue >> 1);\n ecp_nistz256_neg(p.p.Z, p.p.Y);\n copy_conditional(p.p.Y, p.p.Z, wvalue & 1);\n infty = (p.p.X[0] | p.p.X[1] | p.p.X[2] | p.p.X[3] |\n p.p.Y[0] | p.p.Y[1] | p.p.Y[2] | p.p.Y[3]);\n if (P256_LIMBS == 8)\n infty |= (p.p.X[4] | p.p.X[5] | p.p.X[6] | p.p.X[7] |\n p.p.Y[4] | p.p.Y[5] | p.p.Y[6] | p.p.Y[7]);\n infty = 0 - is_zero(infty);\n infty = ~infty;\n p.p.Z[0] = ONE[0] & infty;\n p.p.Z[1] = ONE[1] & infty;\n p.p.Z[2] = ONE[2] & infty;\n p.p.Z[3] = ONE[3] & infty;\n if (P256_LIMBS == 8) {\n p.p.Z[4] = ONE[4] & infty;\n p.p.Z[5] = ONE[5] & infty;\n p.p.Z[6] = ONE[6] & infty;\n p.p.Z[7] = ONE[7] & infty;\n }\n for (i = 1; i < 37; i++) {\n unsigned int off = (idx - 1) / 8;\n wvalue = p_str[off] | p_str[off + 1] << 8;\n wvalue = (wvalue >> ((idx - 1) % 8)) & mask;\n idx += window_size;\n wvalue = _booth_recode_w7(wvalue);\n ecp_nistz256_gather_w7(&t.a,\n preComputedTable[i], wvalue >> 1);\n ecp_nistz256_neg(t.p.Z, t.a.Y);\n copy_conditional(t.a.Y, t.p.Z, wvalue & 1);\n ecp_nistz256_point_add_affine(&p.p, &p.p, &t.a);\n }\n }\n } else {\n p_is_infinity = 1;\n no_precomp_for_generator = 1;\n }\n } else\n p_is_infinity = 1;\n if (no_precomp_for_generator) {\n new_scalars = OPENSSL_malloc((num + 1) * sizeof(BIGNUM *));\n if (new_scalars == NULL) {\n ECerr(EC_F_ECP_NISTZ256_POINTS_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n new_points = OPENSSL_malloc((num + 1) * sizeof(EC_POINT *));\n if (new_points == NULL) {\n ECerr(EC_F_ECP_NISTZ256_POINTS_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n memcpy(new_scalars, scalars, num * sizeof(BIGNUM *));\n new_scalars[num] = scalar;\n memcpy(new_points, points, num * sizeof(EC_POINT *));\n new_points[num] = generator;\n scalars = new_scalars;\n points = new_points;\n num++;\n }\n if (num) {\n P256_POINT *out = &t.p;\n if (p_is_infinity)\n out = &p.p;\n if (!ecp_nistz256_windowed_mul(group, out, scalars, points, num, ctx))\n goto err;\n if (!p_is_infinity)\n ecp_nistz256_point_add(&p.p, &p.p, out);\n }\n if (!bn_set_words(r->X, p.p.X, P256_LIMBS) ||\n !bn_set_words(r->Y, p.p.Y, P256_LIMBS) ||\n !bn_set_words(r->Z, p.p.Z, P256_LIMBS)) {\n goto err;\n }\n r->Z_is_one = is_one(r->Z) & 1;\n ret = 1;\nerr:\n BN_CTX_end(ctx);\n OPENSSL_free(new_points);\n OPENSSL_free(new_scalars);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
8,141 | 0 | https://github.com/libav/libav/blob/3dde147ff92764b907db49b5237df7fd26359444/libavcodec/h264.c/#L407 | static void await_references(H264Context *h)
{
MpegEncContext *const s = &h->s;
const int mb_xy = h->mb_xy;
const int mb_type = s->current_picture.f.mb_type[mb_xy];
int refs[2][48];
int nrefs[2] = { 0 };
int ref, list;
memset(refs, -1, sizeof(refs));
if (IS_16X16(mb_type)) {
get_lowest_part_y(h, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
} else if (IS_16X8(mb_type)) {
get_lowest_part_y(h, refs, 0, 8, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, 8, 8, 8,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else if (IS_8X16(mb_type)) {
get_lowest_part_y(h, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, refs, 4, 16, 0,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else {
int i;
assert(IS_8X8(mb_type));
for (i = 0; i < 4; i++) {
const int sub_mb_type = h->sub_mb_type[i];
const int n = 4 * i;
int y_offset = (i & 2) << 2;
if (IS_SUB_8X8(sub_mb_type)) {
get_lowest_part_y(h, refs, n, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_8X4(sub_mb_type)) {
get_lowest_part_y(h, refs, n, 4, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_4X8(sub_mb_type)) {
get_lowest_part_y(h, refs, n, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
get_lowest_part_y(h, refs, n + 1, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else {
int j;
assert(IS_SUB_4X4(sub_mb_type));
for (j = 0; j < 4; j++) {
int sub_y_offset = y_offset + 2 * (j & 2);
get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
}
}
}
}
for (list = h->list_count - 1; list >= 0; list--)
for (ref = 0; ref < 48 && nrefs[list]; ref++) {
int row = refs[list][ref];
if (row >= 0) {
Picture *ref_pic = &h->ref_list[list][ref];
int ref_field = ref_pic->f.reference - 1;
int ref_field_picture = ref_pic->field_picture;
int pic_height = 16 * s->mb_height >> ref_field_picture;
row <<= MB_MBAFF;
nrefs[list]--;
if (!FIELD_PICTURE && ref_field_picture) {
ff_thread_await_progress(&ref_pic->f,
FFMIN((row >> 1) - !(row & 1),
pic_height - 1),
1);
ff_thread_await_progress(&ref_pic->f,
FFMIN((row >> 1), pic_height - 1),
0);
} else if (FIELD_PICTURE && !ref_field_picture) {
ff_thread_await_progress(&ref_pic->f,
FFMIN(row * 2 + ref_field,
pic_height - 1),
0);
} else if (FIELD_PICTURE) {
ff_thread_await_progress(&ref_pic->f,
FFMIN(row, pic_height - 1),
ref_field);
} else {
ff_thread_await_progress(&ref_pic->f,
FFMIN(row, pic_height - 1),
0);
}
}
}
} | ['static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size)\n{\n MpegEncContext *const s = &h->s;\n AVCodecContext *const avctx = s->avctx;\n H264Context *hx;\n int buf_index;\n int context_count;\n int next_avc;\n int pass = !(avctx->active_thread_type & FF_THREAD_FRAME);\n int nals_needed = 0;\n int nal_index;\n h->max_contexts = s->slice_context_count;\n if (!(s->flags2 & CODEC_FLAG2_CHUNKS)) {\n h->current_slice = 0;\n if (!s->first_field)\n s->current_picture_ptr = NULL;\n ff_h264_reset_sei(h);\n }\n for (; pass <= 1; pass++) {\n buf_index = 0;\n context_count = 0;\n next_avc = h->is_avc ? 0 : buf_size;\n nal_index = 0;\n for (;;) {\n int consumed;\n int dst_length;\n int bit_length;\n const uint8_t *ptr;\n int i, nalsize = 0;\n int err;\n if (buf_index >= next_avc) {\n if (buf_index >= buf_size - h->nal_length_size)\n break;\n nalsize = 0;\n for (i = 0; i < h->nal_length_size; i++)\n nalsize = (nalsize << 8) | buf[buf_index++];\n if (nalsize <= 0 || nalsize > buf_size - buf_index) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "AVC: nal size %d\\n", nalsize);\n break;\n }\n next_avc = buf_index + nalsize;\n } else {\n for (; buf_index + 3 < next_avc; buf_index++)\n if (buf[buf_index] == 0 &&\n buf[buf_index + 1] == 0 &&\n buf[buf_index + 2] == 1)\n break;\n if (buf_index + 3 >= buf_size)\n break;\n buf_index += 3;\n if (buf_index >= next_avc)\n continue;\n }\n hx = h->thread_context[context_count];\n ptr = ff_h264_decode_nal(hx, buf + buf_index, &dst_length,\n &consumed, next_avc - buf_index);\n if (ptr == NULL || dst_length < 0) {\n buf_index = -1;\n goto end;\n }\n i = buf_index + consumed;\n if ((s->workaround_bugs & FF_BUG_AUTODETECT) && i + 3 < next_avc &&\n buf[i] == 0x00 && buf[i + 1] == 0x00 &&\n buf[i + 2] == 0x01 && buf[i + 3] == 0xE0)\n s->workaround_bugs |= FF_BUG_TRUNCATED;\n if (!(s->workaround_bugs & FF_BUG_TRUNCATED))\n while (ptr[dst_length - 1] == 0 && dst_length > 0)\n dst_length--;\n bit_length = !dst_length ? 0\n : (8 * dst_length -\n decode_rbsp_trailing(h, ptr + dst_length - 1));\n if (s->avctx->debug & FF_DEBUG_STARTCODE)\n av_log(h->s.avctx, AV_LOG_DEBUG,\n "NAL %d at %d/%d length %d\\n",\n hx->nal_unit_type, buf_index, buf_size, dst_length);\n if (h->is_avc && (nalsize != consumed) && nalsize)\n av_log(h->s.avctx, AV_LOG_DEBUG,\n "AVC: Consumed only %d bytes instead of %d\\n",\n consumed, nalsize);\n buf_index += consumed;\n nal_index++;\n if (pass == 0) {\n switch (hx->nal_unit_type) {\n case NAL_SPS:\n case NAL_PPS:\n nals_needed = nal_index;\n break;\n case NAL_IDR_SLICE:\n case NAL_SLICE:\n init_get_bits(&hx->s.gb, ptr, bit_length);\n if (!get_ue_golomb(&hx->s.gb))\n nals_needed = nal_index;\n }\n continue;\n }\n if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0)\n continue;\nagain:\n err = 0;\n switch (hx->nal_unit_type) {\n case NAL_IDR_SLICE:\n if (h->nal_unit_type != NAL_IDR_SLICE) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "Invalid mix of idr and non-idr slices");\n buf_index = -1;\n goto end;\n }\n idr(h);\n case NAL_SLICE:\n init_get_bits(&hx->s.gb, ptr, bit_length);\n hx->intra_gb_ptr =\n hx->inter_gb_ptr = &hx->s.gb;\n hx->s.data_partitioning = 0;\n if ((err = decode_slice_header(hx, h)))\n break;\n s->current_picture_ptr->f.key_frame |=\n (hx->nal_unit_type == NAL_IDR_SLICE) ||\n (h->sei_recovery_frame_cnt >= 0);\n if (h->current_slice == 1) {\n if (!(s->flags2 & CODEC_FLAG2_CHUNKS))\n decode_postinit(h, nal_index >= nals_needed);\n if (s->avctx->hwaccel &&\n s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)\n return -1;\n if (CONFIG_H264_VDPAU_DECODER &&\n s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)\n ff_vdpau_h264_picture_start(s);\n }\n if (hx->redundant_pic_count == 0 &&\n (avctx->skip_frame < AVDISCARD_NONREF ||\n hx->nal_ref_idc) &&\n (avctx->skip_frame < AVDISCARD_BIDIR ||\n hx->slice_type_nos != AV_PICTURE_TYPE_B) &&\n (avctx->skip_frame < AVDISCARD_NONKEY ||\n hx->slice_type_nos == AV_PICTURE_TYPE_I) &&\n avctx->skip_frame < AVDISCARD_ALL) {\n if (avctx->hwaccel) {\n if (avctx->hwaccel->decode_slice(avctx,\n &buf[buf_index - consumed],\n consumed) < 0)\n return -1;\n } else if (CONFIG_H264_VDPAU_DECODER &&\n s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) {\n static const uint8_t start_code[] = {\n 0x00, 0x00, 0x01 };\n ff_vdpau_add_data_chunk(s, start_code,\n sizeof(start_code));\n ff_vdpau_add_data_chunk(s, &buf[buf_index - consumed],\n consumed);\n } else\n context_count++;\n }\n break;\n case NAL_DPA:\n init_get_bits(&hx->s.gb, ptr, bit_length);\n hx->intra_gb_ptr =\n hx->inter_gb_ptr = NULL;\n if ((err = decode_slice_header(hx, h)) < 0)\n break;\n hx->s.data_partitioning = 1;\n break;\n case NAL_DPB:\n init_get_bits(&hx->intra_gb, ptr, bit_length);\n hx->intra_gb_ptr = &hx->intra_gb;\n break;\n case NAL_DPC:\n init_get_bits(&hx->inter_gb, ptr, bit_length);\n hx->inter_gb_ptr = &hx->inter_gb;\n if (hx->redundant_pic_count == 0 &&\n hx->intra_gb_ptr &&\n hx->s.data_partitioning &&\n s->context_initialized &&\n (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) &&\n (avctx->skip_frame < AVDISCARD_BIDIR ||\n hx->slice_type_nos != AV_PICTURE_TYPE_B) &&\n (avctx->skip_frame < AVDISCARD_NONKEY ||\n hx->slice_type_nos == AV_PICTURE_TYPE_I) &&\n avctx->skip_frame < AVDISCARD_ALL)\n context_count++;\n break;\n case NAL_SEI:\n init_get_bits(&s->gb, ptr, bit_length);\n ff_h264_decode_sei(h);\n break;\n case NAL_SPS:\n init_get_bits(&s->gb, ptr, bit_length);\n if (ff_h264_decode_seq_parameter_set(h) < 0 &&\n h->is_avc && (nalsize != consumed) && nalsize) {\n av_log(h->s.avctx, AV_LOG_DEBUG,\n "SPS decoding failure, try parsing the coomplete NAL\\n");\n init_get_bits(&s->gb, buf + buf_index + 1 - consumed,\n 8 * (nalsize - 1));\n ff_h264_decode_seq_parameter_set(h);\n }\n if (s->flags & CODEC_FLAG_LOW_DELAY ||\n (h->sps.bitstream_restriction_flag &&\n !h->sps.num_reorder_frames))\n s->low_delay = 1;\n if (avctx->has_b_frames < 2)\n avctx->has_b_frames = !s->low_delay;\n if (avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||\n h->cur_chroma_format_idc != h->sps.chroma_format_idc) {\n if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 10) {\n avctx->bits_per_raw_sample = h->sps.bit_depth_luma;\n h->cur_chroma_format_idc = h->sps.chroma_format_idc;\n h->pixel_shift = h->sps.bit_depth_luma > 8;\n ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma,\n h->sps.chroma_format_idc);\n ff_h264_pred_init(&h->hpc, s->codec_id,\n h->sps.bit_depth_luma,\n h->sps.chroma_format_idc);\n s->dsp.dct_bits = h->sps.bit_depth_luma > 8 ? 32 : 16;\n ff_dsputil_init(&s->dsp, s->avctx);\n } else {\n av_log(avctx, AV_LOG_ERROR,\n "Unsupported bit depth: %d\\n",\n h->sps.bit_depth_luma);\n buf_index = -1;\n goto end;\n }\n }\n break;\n case NAL_PPS:\n init_get_bits(&s->gb, ptr, bit_length);\n ff_h264_decode_picture_parameter_set(h, bit_length);\n break;\n case NAL_AUD:\n case NAL_END_SEQUENCE:\n case NAL_END_STREAM:\n case NAL_FILLER_DATA:\n case NAL_SPS_EXT:\n case NAL_AUXILIARY_SLICE:\n break;\n default:\n av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\\n",\n hx->nal_unit_type, bit_length);\n }\n if (context_count == h->max_contexts) {\n execute_decode_slices(h, context_count);\n context_count = 0;\n }\n if (err < 0)\n av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\\n");\n else if (err == 1) {\n h->nal_unit_type = hx->nal_unit_type;\n h->nal_ref_idc = hx->nal_ref_idc;\n hx = h;\n goto again;\n }\n }\n }\n if (context_count)\n execute_decode_slices(h, context_count);\nend:\n if (s->current_picture_ptr && s->current_picture_ptr->owner2 == s &&\n !s->dropable) {\n ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX,\n s->picture_structure == PICT_BOTTOM_FIELD);\n }\n return buf_index;\n}', 'static int decode_slice_header(H264Context *h, H264Context *h0)\n{\n MpegEncContext *const s = &h->s;\n MpegEncContext *const s0 = &h0->s;\n unsigned int first_mb_in_slice;\n unsigned int pps_id;\n int num_ref_idx_active_override_flag;\n unsigned int slice_type, tmp, i, j;\n int default_ref_list_done = 0;\n int last_pic_structure, last_pic_dropable;\n if ((s->avctx->flags2 & CODEC_FLAG2_FAST) &&\n !h->nal_ref_idc && !h->pixel_shift) {\n s->me.qpel_put = s->dsp.put_2tap_qpel_pixels_tab;\n s->me.qpel_avg = s->dsp.avg_2tap_qpel_pixels_tab;\n } else {\n s->me.qpel_put = s->dsp.put_h264_qpel_pixels_tab;\n s->me.qpel_avg = s->dsp.avg_h264_qpel_pixels_tab;\n }\n first_mb_in_slice = get_ue_golomb(&s->gb);\n if (first_mb_in_slice == 0) {\n if (h0->current_slice && FIELD_PICTURE) {\n field_end(h, 1);\n }\n h0->current_slice = 0;\n if (!s0->first_field) {\n if (s->current_picture_ptr && !s->dropable &&\n s->current_picture_ptr->owner2 == s) {\n ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX,\n s->picture_structure == PICT_BOTTOM_FIELD);\n }\n s->current_picture_ptr = NULL;\n }\n }\n slice_type = get_ue_golomb_31(&s->gb);\n if (slice_type > 9) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "slice type too large (%d) at %d %d\\n",\n h->slice_type, s->mb_x, s->mb_y);\n return -1;\n }\n if (slice_type > 4) {\n slice_type -= 5;\n h->slice_type_fixed = 1;\n } else\n h->slice_type_fixed = 0;\n slice_type = golomb_to_pict_type[slice_type];\n if (slice_type == AV_PICTURE_TYPE_I ||\n (h0->current_slice != 0 && slice_type == h0->last_slice_type)) {\n default_ref_list_done = 1;\n }\n h->slice_type = slice_type;\n h->slice_type_nos = slice_type & 3;\n s->pict_type = h->slice_type;\n pps_id = get_ue_golomb(&s->gb);\n if (pps_id >= MAX_PPS_COUNT) {\n av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\\n");\n return -1;\n }\n if (!h0->pps_buffers[pps_id]) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "non-existing PPS %u referenced\\n",\n pps_id);\n return -1;\n }\n h->pps = *h0->pps_buffers[pps_id];\n if (!h0->sps_buffers[h->pps.sps_id]) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "non-existing SPS %u referenced\\n",\n h->pps.sps_id);\n return -1;\n }\n h->sps = *h0->sps_buffers[h->pps.sps_id];\n s->avctx->profile = ff_h264_get_profile(&h->sps);\n s->avctx->level = h->sps.level_idc;\n s->avctx->refs = h->sps.ref_frame_count;\n s->mb_width = h->sps.mb_width;\n s->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);\n h->b_stride = s->mb_width * 4;\n s->chroma_y_shift = h->sps.chroma_format_idc <= 1;\n s->width = 16 * s->mb_width - (2 >> CHROMA444) * FFMIN(h->sps.crop_right, (8 << CHROMA444) - 1);\n if (h->sps.frame_mbs_only_flag)\n s->height = 16 * s->mb_height - (1 << s->chroma_y_shift) * FFMIN(h->sps.crop_bottom, (16 >> s->chroma_y_shift) - 1);\n else\n s->height = 16 * s->mb_height - (2 << s->chroma_y_shift) * FFMIN(h->sps.crop_bottom, (16 >> s->chroma_y_shift) - 1);\n if (s->context_initialized &&\n (s->width != s->avctx->width || s->height != s->avctx->height ||\n av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {\n if (h != h0) {\n av_log_missing_feature(s->avctx,\n "Width/height changing with threads is", 0);\n return -1;\n }\n free_tables(h, 0);\n flush_dpb(s->avctx);\n ff_MPV_common_end(s);\n }\n if (!s->context_initialized) {\n if (h != h0) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "Cannot (re-)initialize context during parallel decoding.\\n");\n return -1;\n }\n avcodec_set_dimensions(s->avctx, s->width, s->height);\n s->avctx->sample_aspect_ratio = h->sps.sar;\n av_assert0(s->avctx->sample_aspect_ratio.den);\n if (h->sps.video_signal_type_present_flag) {\n s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG\n : AVCOL_RANGE_MPEG;\n if (h->sps.colour_description_present_flag) {\n s->avctx->color_primaries = h->sps.color_primaries;\n s->avctx->color_trc = h->sps.color_trc;\n s->avctx->colorspace = h->sps.colorspace;\n }\n }\n if (h->sps.timing_info_present_flag) {\n int64_t den = h->sps.time_scale;\n if (h->x264_build < 44U)\n den *= 2;\n av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,\n h->sps.num_units_in_tick, den, 1 << 30);\n }\n switch (h->sps.bit_depth_luma) {\n case 9:\n if (CHROMA444) {\n if (s->avctx->colorspace == AVCOL_SPC_RGB) {\n s->avctx->pix_fmt = PIX_FMT_GBRP9;\n } else\n s->avctx->pix_fmt = PIX_FMT_YUV444P9;\n } else if (CHROMA422)\n s->avctx->pix_fmt = PIX_FMT_YUV422P9;\n else\n s->avctx->pix_fmt = PIX_FMT_YUV420P9;\n break;\n case 10:\n if (CHROMA444) {\n if (s->avctx->colorspace == AVCOL_SPC_RGB) {\n s->avctx->pix_fmt = PIX_FMT_GBRP10;\n } else\n s->avctx->pix_fmt = PIX_FMT_YUV444P10;\n } else if (CHROMA422)\n s->avctx->pix_fmt = PIX_FMT_YUV422P10;\n else\n s->avctx->pix_fmt = PIX_FMT_YUV420P10;\n break;\n case 8:\n if (CHROMA444) {\n if (s->avctx->colorspace == AVCOL_SPC_RGB) {\n s->avctx->pix_fmt = PIX_FMT_GBRP;\n } else\n s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? PIX_FMT_YUVJ444P\n : PIX_FMT_YUV444P;\n } else if (CHROMA422) {\n s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? PIX_FMT_YUVJ422P\n : PIX_FMT_YUV422P;\n } else {\n s->avctx->pix_fmt = s->avctx->get_format(s->avctx,\n s->avctx->codec->pix_fmts ?\n s->avctx->codec->pix_fmts :\n s->avctx->color_range == AVCOL_RANGE_JPEG ?\n hwaccel_pixfmt_list_h264_jpeg_420 :\n ff_hwaccel_pixfmt_list_420);\n }\n break;\n default:\n av_log(s->avctx, AV_LOG_ERROR,\n "Unsupported bit depth: %d\\n", h->sps.bit_depth_luma);\n return AVERROR_INVALIDDATA;\n }\n s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id,\n s->avctx->pix_fmt);\n if (ff_MPV_common_init(s) < 0) {\n av_log(h->s.avctx, AV_LOG_ERROR, "ff_MPV_common_init() failed.\\n");\n return -1;\n }\n s->first_field = 0;\n h->prev_interlaced_frame = 1;\n init_scan_tables(h);\n if (ff_h264_alloc_tables(h) < 0) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "Could not allocate memory for h264\\n");\n return AVERROR(ENOMEM);\n }\n if (!HAVE_THREADS || !(s->avctx->active_thread_type & FF_THREAD_SLICE)) {\n if (context_init(h) < 0) {\n av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\\n");\n return -1;\n }\n } else {\n for (i = 1; i < s->slice_context_count; i++) {\n H264Context *c;\n c = h->thread_context[i] = av_malloc(sizeof(H264Context));\n memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));\n memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));\n c->h264dsp = h->h264dsp;\n c->sps = h->sps;\n c->pps = h->pps;\n c->pixel_shift = h->pixel_shift;\n init_scan_tables(c);\n clone_tables(c, h, i);\n }\n for (i = 0; i < s->slice_context_count; i++)\n if (context_init(h->thread_context[i]) < 0) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "context_init() failed.\\n");\n return -1;\n }\n }\n }\n if (h == h0 && h->dequant_coeff_pps != pps_id) {\n h->dequant_coeff_pps = pps_id;\n init_dequant_tables(h);\n }\n h->frame_num = get_bits(&s->gb, h->sps.log2_max_frame_num);\n h->mb_mbaff = 0;\n h->mb_aff_frame = 0;\n last_pic_structure = s0->picture_structure;\n last_pic_dropable = s->dropable;\n s->dropable = h->nal_ref_idc == 0;\n if (h->sps.frame_mbs_only_flag) {\n s->picture_structure = PICT_FRAME;\n } else {\n if (get_bits1(&s->gb)) {\n s->picture_structure = PICT_TOP_FIELD + get_bits1(&s->gb);\n } else {\n s->picture_structure = PICT_FRAME;\n h->mb_aff_frame = h->sps.mb_aff;\n }\n }\n h->mb_field_decoding_flag = s->picture_structure != PICT_FRAME;\n if (h0->current_slice != 0) {\n if (last_pic_structure != s->picture_structure ||\n last_pic_dropable != s->dropable) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "Changing field mode (%d -> %d) between slices is not allowed\\n",\n last_pic_structure, s->picture_structure);\n s->picture_structure = last_pic_structure;\n s->dropable = last_pic_dropable;\n return AVERROR_INVALIDDATA;\n }\n } else {\n if (h->frame_num != h->prev_frame_num) {\n int unwrap_prev_frame_num = h->prev_frame_num;\n int max_frame_num = 1 << h->sps.log2_max_frame_num;\n if (unwrap_prev_frame_num > h->frame_num)\n unwrap_prev_frame_num -= max_frame_num;\n if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) {\n unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1;\n if (unwrap_prev_frame_num < 0)\n unwrap_prev_frame_num += max_frame_num;\n h->prev_frame_num = unwrap_prev_frame_num;\n }\n }\n if (s0->first_field) {\n assert(s0->current_picture_ptr);\n assert(s0->current_picture_ptr->f.data[0]);\n assert(s0->current_picture_ptr->f.reference != DELAYED_PIC_REF);\n if (!last_pic_dropable && s0->current_picture_ptr->owner2 == s0) {\n ff_thread_report_progress(&s0->current_picture_ptr->f, INT_MAX,\n last_pic_structure == PICT_BOTTOM_FIELD);\n }\n if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {\n if (!last_pic_dropable && last_pic_structure != PICT_FRAME) {\n ff_thread_report_progress(&s0->current_picture_ptr->f, INT_MAX,\n last_pic_structure == PICT_TOP_FIELD);\n }\n } else {\n if (s0->current_picture_ptr->frame_num != h->frame_num) {\n if (!last_pic_dropable && last_pic_structure != PICT_FRAME) {\n ff_thread_report_progress(&s0->current_picture_ptr->f, INT_MAX,\n last_pic_structure == PICT_TOP_FIELD);\n }\n } else {\n if (!((last_pic_structure == PICT_TOP_FIELD &&\n s->picture_structure == PICT_BOTTOM_FIELD) ||\n (last_pic_structure == PICT_BOTTOM_FIELD &&\n s->picture_structure == PICT_TOP_FIELD))) {\n av_log(s->avctx, AV_LOG_ERROR,\n "Invalid field mode combination %d/%d\\n",\n last_pic_structure, s->picture_structure);\n s->picture_structure = last_pic_structure;\n s->dropable = last_pic_dropable;\n return AVERROR_INVALIDDATA;\n } else if (last_pic_dropable != s->dropable) {\n av_log(s->avctx, AV_LOG_ERROR,\n "Cannot combine reference and non-reference fields in the same frame\\n");\n av_log_ask_for_sample(s->avctx, NULL);\n s->picture_structure = last_pic_structure;\n s->dropable = last_pic_dropable;\n return AVERROR_INVALIDDATA;\n }\n s0->current_picture_ptr->owner2 = s0;\n }\n }\n }\n while (h->frame_num != h->prev_frame_num &&\n h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) {\n Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;\n av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\\n",\n h->frame_num, h->prev_frame_num);\n if (ff_h264_frame_start(h) < 0)\n return -1;\n h->prev_frame_num++;\n h->prev_frame_num %= 1 << h->sps.log2_max_frame_num;\n s->current_picture_ptr->frame_num = h->prev_frame_num;\n ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 0);\n ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 1);\n ff_generate_sliding_window_mmcos(h);\n if (ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index) < 0 &&\n (s->avctx->err_recognition & AV_EF_EXPLODE))\n return AVERROR_INVALIDDATA;\n if (h->short_ref_count) {\n if (prev) {\n av_image_copy(h->short_ref[0]->f.data, h->short_ref[0]->f.linesize,\n (const uint8_t **)prev->f.data, prev->f.linesize,\n s->avctx->pix_fmt, s->mb_width * 16, s->mb_height * 16);\n h->short_ref[0]->poc = prev->poc + 2;\n }\n h->short_ref[0]->frame_num = h->prev_frame_num;\n }\n }\n if (s0->first_field) {\n assert(s0->current_picture_ptr);\n assert(s0->current_picture_ptr->f.data[0]);\n assert(s0->current_picture_ptr->f.reference != DELAYED_PIC_REF);\n if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {\n s0->current_picture_ptr = NULL;\n s0->first_field = FIELD_PICTURE;\n } else {\n if (s0->current_picture_ptr->frame_num != h->frame_num) {\n s0->first_field = 1;\n s0->current_picture_ptr = NULL;\n } else {\n s0->first_field = 0;\n }\n }\n } else {\n assert(!s0->current_picture_ptr);\n s0->first_field = FIELD_PICTURE;\n }\n if (!FIELD_PICTURE || s0->first_field) {\n if (ff_h264_frame_start(h) < 0) {\n s0->first_field = 0;\n return -1;\n }\n } else {\n ff_release_unused_pictures(s, 0);\n }\n }\n if (h != h0)\n clone_slice(h, h0);\n s->current_picture_ptr->frame_num = h->frame_num;\n assert(s->mb_num == s->mb_width * s->mb_height);\n if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num ||\n first_mb_in_slice >= s->mb_num) {\n av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\\n");\n return -1;\n }\n s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;\n s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE;\n if (s->picture_structure == PICT_BOTTOM_FIELD)\n s->resync_mb_y = s->mb_y = s->mb_y + 1;\n assert(s->mb_y < s->mb_height);\n if (s->picture_structure == PICT_FRAME) {\n h->curr_pic_num = h->frame_num;\n h->max_pic_num = 1 << h->sps.log2_max_frame_num;\n } else {\n h->curr_pic_num = 2 * h->frame_num + 1;\n h->max_pic_num = 1 << (h->sps.log2_max_frame_num + 1);\n }\n if (h->nal_unit_type == NAL_IDR_SLICE)\n get_ue_golomb(&s->gb);\n if (h->sps.poc_type == 0) {\n h->poc_lsb = get_bits(&s->gb, h->sps.log2_max_poc_lsb);\n if (h->pps.pic_order_present == 1 && s->picture_structure == PICT_FRAME)\n h->delta_poc_bottom = get_se_golomb(&s->gb);\n }\n if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {\n h->delta_poc[0] = get_se_golomb(&s->gb);\n if (h->pps.pic_order_present == 1 && s->picture_structure == PICT_FRAME)\n h->delta_poc[1] = get_se_golomb(&s->gb);\n }\n init_poc(h);\n if (h->pps.redundant_pic_cnt_present)\n h->redundant_pic_count = get_ue_golomb(&s->gb);\n h->ref_count[0] = h->pps.ref_count[0];\n h->ref_count[1] = h->pps.ref_count[1];\n if (h->slice_type_nos != AV_PICTURE_TYPE_I) {\n int max_refs = s->picture_structure == PICT_FRAME ? 16 : 32;\n if (h->slice_type_nos == AV_PICTURE_TYPE_B)\n h->direct_spatial_mv_pred = get_bits1(&s->gb);\n num_ref_idx_active_override_flag = get_bits1(&s->gb);\n if (num_ref_idx_active_override_flag) {\n h->ref_count[0] = get_ue_golomb(&s->gb) + 1;\n if (h->slice_type_nos == AV_PICTURE_TYPE_B)\n h->ref_count[1] = get_ue_golomb(&s->gb) + 1;\n }\n if (h->ref_count[0] > max_refs || h->ref_count[1] > max_refs) {\n av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\\n");\n h->ref_count[0] = h->ref_count[1] = 1;\n return AVERROR_INVALIDDATA;\n }\n if (h->slice_type_nos == AV_PICTURE_TYPE_B)\n h->list_count = 2;\n else\n h->list_count = 1;\n } else\n h->list_count = 0;\n if (!default_ref_list_done)\n ff_h264_fill_default_ref_list(h);\n if (h->slice_type_nos != AV_PICTURE_TYPE_I &&\n ff_h264_decode_ref_pic_list_reordering(h) < 0) {\n h->ref_count[1] = h->ref_count[0] = 0;\n return -1;\n }\n if (h->slice_type_nos != AV_PICTURE_TYPE_I) {\n s->last_picture_ptr = &h->ref_list[0][0];\n ff_copy_picture(&s->last_picture, s->last_picture_ptr);\n }\n if (h->slice_type_nos == AV_PICTURE_TYPE_B) {\n s->next_picture_ptr = &h->ref_list[1][0];\n ff_copy_picture(&s->next_picture, s->next_picture_ptr);\n }\n if ((h->pps.weighted_pred && h->slice_type_nos == AV_PICTURE_TYPE_P) ||\n (h->pps.weighted_bipred_idc == 1 &&\n h->slice_type_nos == AV_PICTURE_TYPE_B))\n pred_weight_table(h);\n else if (h->pps.weighted_bipred_idc == 2 &&\n h->slice_type_nos == AV_PICTURE_TYPE_B) {\n implicit_weight_table(h, -1);\n } else {\n h->use_weight = 0;\n for (i = 0; i < 2; i++) {\n h->luma_weight_flag[i] = 0;\n h->chroma_weight_flag[i] = 0;\n }\n }\n if (h->nal_ref_idc && ff_h264_decode_ref_pic_marking(h0, &s->gb) < 0 &&\n (s->avctx->err_recognition & AV_EF_EXPLODE))\n return AVERROR_INVALIDDATA;\n if (FRAME_MBAFF) {\n ff_h264_fill_mbaff_ref_list(h);\n if (h->pps.weighted_bipred_idc == 2 && h->slice_type_nos == AV_PICTURE_TYPE_B) {\n implicit_weight_table(h, 0);\n implicit_weight_table(h, 1);\n }\n }\n if (h->slice_type_nos == AV_PICTURE_TYPE_B && !h->direct_spatial_mv_pred)\n ff_h264_direct_dist_scale_factor(h);\n ff_h264_direct_ref_list_init(h);\n if (h->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {\n tmp = get_ue_golomb_31(&s->gb);\n if (tmp > 2) {\n av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\\n");\n return -1;\n }\n h->cabac_init_idc = tmp;\n }\n h->last_qscale_diff = 0;\n tmp = h->pps.init_qp + get_se_golomb(&s->gb);\n if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) {\n av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\\n", tmp);\n return -1;\n }\n s->qscale = tmp;\n h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);\n h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);\n if (h->slice_type == AV_PICTURE_TYPE_SP)\n get_bits1(&s->gb);\n if (h->slice_type == AV_PICTURE_TYPE_SP ||\n h->slice_type == AV_PICTURE_TYPE_SI)\n get_se_golomb(&s->gb);\n h->deblocking_filter = 1;\n h->slice_alpha_c0_offset = 52;\n h->slice_beta_offset = 52;\n if (h->pps.deblocking_filter_parameters_present) {\n tmp = get_ue_golomb_31(&s->gb);\n if (tmp > 2) {\n av_log(s->avctx, AV_LOG_ERROR,\n "deblocking_filter_idc %u out of range\\n", tmp);\n return -1;\n }\n h->deblocking_filter = tmp;\n if (h->deblocking_filter < 2)\n h->deblocking_filter ^= 1;\n if (h->deblocking_filter) {\n h->slice_alpha_c0_offset += get_se_golomb(&s->gb) << 1;\n h->slice_beta_offset += get_se_golomb(&s->gb) << 1;\n if (h->slice_alpha_c0_offset > 104U ||\n h->slice_beta_offset > 104U) {\n av_log(s->avctx, AV_LOG_ERROR,\n "deblocking filter parameters %d %d out of range\\n",\n h->slice_alpha_c0_offset, h->slice_beta_offset);\n return -1;\n }\n }\n }\n if (s->avctx->skip_loop_filter >= AVDISCARD_ALL ||\n (s->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&\n h->slice_type_nos != AV_PICTURE_TYPE_I) ||\n (s->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&\n h->slice_type_nos == AV_PICTURE_TYPE_B) ||\n (s->avctx->skip_loop_filter >= AVDISCARD_NONREF &&\n h->nal_ref_idc == 0))\n h->deblocking_filter = 0;\n if (h->deblocking_filter == 1 && h0->max_contexts > 1) {\n if (s->avctx->flags2 & CODEC_FLAG2_FAST) {\n h->deblocking_filter = 2;\n } else {\n h0->max_contexts = 1;\n if (!h0->single_decode_warning) {\n av_log(s->avctx, AV_LOG_INFO,\n "Cannot parallelize deblocking type 1, decoding such frames in sequential order\\n");\n h0->single_decode_warning = 1;\n }\n if (h != h0) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "Deblocking switched inside frame.\\n");\n return 1;\n }\n }\n }\n h->qp_thresh = 15 + 52 -\n FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) -\n FFMAX3(0,\n h->pps.chroma_qp_index_offset[0],\n h->pps.chroma_qp_index_offset[1]) +\n 6 * (h->sps.bit_depth_luma - 8);\n h0->last_slice_type = slice_type;\n h->slice_num = ++h0->current_slice;\n if (h->slice_num >= MAX_SLICES) {\n av_log(s->avctx, AV_LOG_ERROR,\n "Too many slices, increase MAX_SLICES and recompile\\n");\n }\n for (j = 0; j < 2; j++) {\n int id_list[16];\n int *ref2frm = h->ref2frm[h->slice_num & (MAX_SLICES - 1)][j];\n for (i = 0; i < 16; i++) {\n id_list[i] = 60;\n if (h->ref_list[j][i].f.data[0]) {\n int k;\n uint8_t *base = h->ref_list[j][i].f.base[0];\n for (k = 0; k < h->short_ref_count; k++)\n if (h->short_ref[k]->f.base[0] == base) {\n id_list[i] = k;\n break;\n }\n for (k = 0; k < h->long_ref_count; k++)\n if (h->long_ref[k] && h->long_ref[k]->f.base[0] == base) {\n id_list[i] = h->short_ref_count + k;\n break;\n }\n }\n }\n ref2frm[0] =\n ref2frm[1] = -1;\n for (i = 0; i < 16; i++)\n ref2frm[i + 2] = 4 * id_list[i] +\n (h->ref_list[j][i].f.reference & 3);\n ref2frm[18 + 0] =\n ref2frm[18 + 1] = -1;\n for (i = 16; i < 48; i++)\n ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +\n (h->ref_list[j][i].f.reference & 3);\n }\n h->emu_edge_width = (s->flags & CODEC_FLAG_EMU_EDGE ||\n (!h->sps.frame_mbs_only_flag &&\n s->avctx->active_thread_type))\n ? 0 : 16;\n h->emu_edge_height = (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;\n if (s->avctx->debug & FF_DEBUG_PICT_INFO) {\n av_log(h->s.avctx, AV_LOG_DEBUG,\n "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\\n",\n h->slice_num,\n (s->picture_structure == PICT_FRAME ? "F" : s->picture_structure == PICT_TOP_FIELD ? "T" : "B"),\n first_mb_in_slice,\n av_get_picture_type_char(h->slice_type),\n h->slice_type_fixed ? " fix" : "",\n h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",\n pps_id, h->frame_num,\n s->current_picture_ptr->field_poc[0],\n s->current_picture_ptr->field_poc[1],\n h->ref_count[0], h->ref_count[1],\n s->qscale,\n h->deblocking_filter,\n h->slice_alpha_c0_offset / 2 - 26, h->slice_beta_offset / 2 - 26,\n h->use_weight,\n h->use_weight == 1 && h->use_weight_chroma ? "c" : "",\n h->slice_type == AV_PICTURE_TYPE_B ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");\n }\n return 0;\n}', 'static int field_end(H264Context *h, int in_setup)\n{\n MpegEncContext *const s = &h->s;\n AVCodecContext *const avctx = s->avctx;\n int err = 0;\n s->mb_y = 0;\n if (!in_setup && !s->dropable)\n ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX,\n s->picture_structure == PICT_BOTTOM_FIELD);\n if (CONFIG_H264_VDPAU_DECODER &&\n s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)\n ff_vdpau_h264_set_reference_frames(s);\n if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) {\n if (!s->dropable) {\n err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);\n h->prev_poc_msb = h->poc_msb;\n h->prev_poc_lsb = h->poc_lsb;\n }\n h->prev_frame_num_offset = h->frame_num_offset;\n h->prev_frame_num = h->frame_num;\n h->outputed_poc = h->next_outputed_poc;\n }\n if (avctx->hwaccel) {\n if (avctx->hwaccel->end_frame(avctx) < 0)\n av_log(avctx, AV_LOG_ERROR,\n "hardware accelerator failed to decode picture\\n");\n }\n if (CONFIG_H264_VDPAU_DECODER &&\n s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)\n ff_vdpau_h264_picture_complete(s);\n if (!FIELD_PICTURE)\n ff_er_frame_end(s);\n ff_MPV_frame_end(s);\n h->current_slice = 0;\n return err;\n}', 'void ff_er_frame_end(MpegEncContext *s)\n{\n int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;\n int distance;\n int threshold_part[4] = { 100, 100, 100 };\n int threshold = 50;\n int is_intra_likely;\n int size = s->b8_stride * 2 * s->mb_height;\n Picture *pic = s->current_picture_ptr;\n if (!s->err_recognition || s->error_count == 0 || s->avctx->lowres ||\n s->avctx->hwaccel ||\n s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU ||\n s->picture_structure != PICT_FRAME ||\n s->error_count == 3 * s->mb_width *\n (s->avctx->skip_top + s->avctx->skip_bottom)) {\n return;\n };\n if (s->current_picture.f.motion_val[0] == NULL) {\n av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\\n");\n for (i = 0; i < 2; i++) {\n pic->f.ref_index[i] = av_mallocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t));\n pic->motion_val_base[i] = av_mallocz((size + 4) * 2 * sizeof(uint16_t));\n pic->f.motion_val[i] = pic->motion_val_base[i] + 4;\n }\n pic->f.motion_subsample_log2 = 3;\n s->current_picture = *s->current_picture_ptr;\n }\n if (s->avctx->debug & FF_DEBUG_ER) {\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int status = s->error_status_table[mb_x + mb_y * s->mb_stride];\n av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);\n }\n av_log(s->avctx, AV_LOG_DEBUG, "\\n");\n }\n }\n for (error_type = 1; error_type <= 3; error_type++) {\n int end_ok = 0;\n for (i = s->mb_num - 1; i >= 0; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (error & (1 << error_type))\n end_ok = 1;\n if (error & (8 << error_type))\n end_ok = 1;\n if (!end_ok)\n s->error_status_table[mb_xy] |= 1 << error_type;\n if (error & VP_START)\n end_ok = 0;\n }\n }\n if (s->partitioned_frame) {\n int end_ok = 0;\n for (i = s->mb_num - 1; i >= 0; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (error & ER_AC_END)\n end_ok = 0;\n if ((error & ER_MV_END) ||\n (error & ER_DC_END) ||\n (error & ER_AC_ERROR))\n end_ok = 1;\n if (!end_ok)\n s->error_status_table[mb_xy]|= ER_AC_ERROR;\n if (error & VP_START)\n end_ok = 0;\n }\n }\n if (s->err_recognition & AV_EF_EXPLODE) {\n int end_ok = 1;\n for (i = s->mb_num - 2; i >= s->mb_width + 100; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error1 = s->error_status_table[mb_xy];\n int error2 = s->error_status_table[s->mb_index2xy[i + 1]];\n if (error1 & VP_START)\n end_ok = 1;\n if (error2 == (VP_START | ER_MB_ERROR | ER_MB_END) &&\n error1 != (VP_START | ER_MB_ERROR | ER_MB_END) &&\n ((error1 & ER_AC_END) || (error1 & ER_DC_END) ||\n (error1 & ER_MV_END))) {\n end_ok = 0;\n }\n if (!end_ok)\n s->error_status_table[mb_xy] |= ER_MB_ERROR;\n }\n }\n distance = 9999999;\n for (error_type = 1; error_type <= 3; error_type++) {\n for (i = s->mb_num - 1; i >= 0; i--) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (!s->mbskip_table[mb_xy])\n distance++;\n if (error & (1 << error_type))\n distance = 0;\n if (s->partitioned_frame) {\n if (distance < threshold_part[error_type - 1])\n s->error_status_table[mb_xy] |= 1 << error_type;\n } else {\n if (distance < threshold)\n s->error_status_table[mb_xy] |= 1 << error_type;\n }\n if (error & VP_START)\n distance = 9999999;\n }\n }\n error = 0;\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n int old_error = s->error_status_table[mb_xy];\n if (old_error & VP_START) {\n error = old_error & ER_MB_ERROR;\n } else {\n error |= old_error & ER_MB_ERROR;\n s->error_status_table[mb_xy] |= error;\n }\n }\n if (!s->partitioned_frame) {\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n error = s->error_status_table[mb_xy];\n if (error & ER_MB_ERROR)\n error |= ER_MB_ERROR;\n s->error_status_table[mb_xy] = error;\n }\n }\n dc_error = ac_error = mv_error = 0;\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n error = s->error_status_table[mb_xy];\n if (error & ER_DC_ERROR)\n dc_error++;\n if (error & ER_AC_ERROR)\n ac_error++;\n if (error & ER_MV_ERROR)\n mv_error++;\n }\n av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors\\n",\n dc_error, ac_error, mv_error);\n is_intra_likely = is_intra_more_likely(s);\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n error = s->error_status_table[mb_xy];\n if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))\n continue;\n if (is_intra_likely)\n s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n else\n s->current_picture.f.mb_type[mb_xy] = MB_TYPE_16x16 | MB_TYPE_L0;\n }\n if (!s->last_picture.f.data[0] && !s->next_picture.f.data[0])\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n if (!IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n }\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n s->mb_x = 0;\n s->mb_y = mb_y;\n ff_init_block_index(s);\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n int dir = !s->last_picture.f.data[0];\n ff_update_block_index(s);\n error = s->error_status_table[mb_xy];\n if (IS_INTRA(mb_type))\n continue;\n if (error & ER_MV_ERROR)\n continue;\n if (!(error & ER_AC_ERROR))\n continue;\n s->mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;\n s->mb_intra = 0;\n s->mb_skipped = 0;\n if (IS_8X8(mb_type)) {\n int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride;\n int j;\n s->mv_type = MV_TYPE_8X8;\n for (j = 0; j < 4; j++) {\n s->mv[0][j][0] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0];\n s->mv[0][j][1] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1];\n }\n } else {\n s->mv_type = MV_TYPE_16X16;\n s->mv[0][0][0] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0];\n s->mv[0][0][1] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1];\n }\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x = mb_x;\n s->mb_y = mb_y;\n decode_mb(s, 0 );\n }\n }\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n s->mb_x = 0;\n s->mb_y = mb_y;\n ff_init_block_index(s);\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int xy = mb_x * 2 + mb_y * 2 * s->b8_stride;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n ff_update_block_index(s);\n error = s->error_status_table[mb_xy];\n if (IS_INTRA(mb_type))\n continue;\n if (!(error & ER_MV_ERROR))\n continue;\n if (!(error & ER_AC_ERROR))\n continue;\n s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;\n if (!s->last_picture.f.data[0])\n s->mv_dir &= ~MV_DIR_FORWARD;\n if (!s->next_picture.f.data[0])\n s->mv_dir &= ~MV_DIR_BACKWARD;\n s->mb_intra = 0;\n s->mv_type = MV_TYPE_16X16;\n s->mb_skipped = 0;\n if (s->pp_time) {\n int time_pp = s->pp_time;\n int time_pb = s->pb_time;\n if (s->avctx->codec_id == CODEC_ID_H264) {\n } else {\n ff_thread_await_progress(&s->next_picture_ptr->f, mb_y, 0);\n }\n s->mv[0][0][0] = s->next_picture.f.motion_val[0][xy][0] * time_pb / time_pp;\n s->mv[0][0][1] = s->next_picture.f.motion_val[0][xy][1] * time_pb / time_pp;\n s->mv[1][0][0] = s->next_picture.f.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp;\n s->mv[1][0][1] = s->next_picture.f.motion_val[0][xy][1] * (time_pb - time_pp) / time_pp;\n } else {\n s->mv[0][0][0] = 0;\n s->mv[0][0][1] = 0;\n s->mv[1][0][0] = 0;\n s->mv[1][0][1] = 0;\n }\n s->dsp.clear_blocks(s->block[0]);\n s->mb_x = mb_x;\n s->mb_y = mb_y;\n decode_mb(s, 0);\n }\n }\n } else\n guess_mv(s);\n if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)\n goto ec_clean;\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int dc, dcu, dcv, y, n;\n int16_t *dc_ptr;\n uint8_t *dest_y, *dest_cb, *dest_cr;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n error = s->error_status_table[mb_xy];\n if (IS_INTRA(mb_type) && s->partitioned_frame)\n continue;\n dest_y = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;\n dest_cb = s->current_picture.f.data[1] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n dest_cr = s->current_picture.f.data[2] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n dc_ptr = &s->dc_val[0][mb_x * 2 + mb_y * 2 * s->b8_stride];\n for (n = 0; n < 4; n++) {\n dc = 0;\n for (y = 0; y < 8; y++) {\n int x;\n for (x = 0; x < 8; x++)\n dc += dest_y[x + (n & 1) * 8 +\n (y + (n >> 1) * 8) * s->linesize];\n }\n dc_ptr[(n & 1) + (n >> 1) * s->b8_stride] = (dc + 4) >> 3;\n }\n dcu = dcv = 0;\n for (y = 0; y < 8; y++) {\n int x;\n for (x = 0; x < 8; x++) {\n dcu += dest_cb[x + y * s->uvlinesize];\n dcv += dest_cr[x + y * s->uvlinesize];\n }\n }\n s->dc_val[1][mb_x + mb_y * s->mb_stride] = (dcu + 4) >> 3;\n s->dc_val[2][mb_x + mb_y * s->mb_stride] = (dcv + 4) >> 3;\n }\n }\n guess_dc(s, s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride, 1);\n guess_dc(s, s->dc_val[1], s->mb_width, s->mb_height, s->mb_stride, 0);\n guess_dc(s, s->dc_val[2], s->mb_width, s->mb_height, s->mb_stride, 0);\n filter181(s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride);\n for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n uint8_t *dest_y, *dest_cb, *dest_cr;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n error = s->error_status_table[mb_xy];\n if (IS_INTER(mb_type))\n continue;\n if (!(error & ER_AC_ERROR))\n continue;\n dest_y = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;\n dest_cb = s->current_picture.f.data[1] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n dest_cr = s->current_picture.f.data[2] + mb_x * 8 + mb_y * 8 * s->uvlinesize;\n put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y);\n }\n }\n if (s->avctx->error_concealment & FF_EC_DEBLOCK) {\n h_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,\n s->mb_height * 2, s->linesize, 1);\n h_block_filter(s, s->current_picture.f.data[1], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n h_block_filter(s, s->current_picture.f.data[2], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n v_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,\n s->mb_height * 2, s->linesize, 1);\n v_block_filter(s, s->current_picture.f.data[1], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n v_block_filter(s, s->current_picture.f.data[2], s->mb_width,\n s->mb_height , s->uvlinesize, 0);\n }\nec_clean:\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n int error = s->error_status_table[mb_xy];\n if (s->pict_type != AV_PICTURE_TYPE_B &&\n (error & (ER_DC_ERROR | ER_MV_ERROR | ER_AC_ERROR))) {\n s->mbskip_table[mb_xy] = 0;\n }\n s->mbintra_table[mb_xy] = 1;\n }\n}', 'static int is_intra_more_likely(MpegEncContext *s)\n{\n int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y;\n if (!s->last_picture_ptr || !s->last_picture_ptr->f.data[0])\n return 1;\n undamaged_count = 0;\n for (i = 0; i < s->mb_num; i++) {\n const int mb_xy = s->mb_index2xy[i];\n const int error = s->error_status_table[mb_xy];\n if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))\n undamaged_count++;\n }\n if (s->codec_id == CODEC_ID_H264) {\n H264Context *h = (void*) s;\n if (h->list_count <= 0 || h->ref_count[0] <= 0 ||\n !h->ref_list[0][0].f.data[0])\n return 1;\n }\n if (undamaged_count < 5)\n return 0;\n if (CONFIG_MPEG_XVMC_DECODER &&\n s->avctx->xvmc_acceleration &&\n s->pict_type == AV_PICTURE_TYPE_I)\n return 1;\n skip_amount = FFMAX(undamaged_count / 50, 1);\n is_intra_likely = 0;\n j = 0;\n for (mb_y = 0; mb_y < s->mb_height - 1; mb_y++) {\n for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n int error;\n const int mb_xy = mb_x + mb_y * s->mb_stride;\n error = s->error_status_table[mb_xy];\n if ((error & ER_DC_ERROR) && (error & ER_MV_ERROR))\n continue;\n j++;\n if ((j % skip_amount) != 0)\n continue;\n if (s->pict_type == AV_PICTURE_TYPE_I) {\n uint8_t *mb_ptr = s->current_picture.f.data[0] +\n mb_x * 16 + mb_y * 16 * s->linesize;\n uint8_t *last_mb_ptr = s->last_picture.f.data[0] +\n mb_x * 16 + mb_y * 16 * s->linesize;\n if (s->avctx->codec_id == CODEC_ID_H264) {\n } else {\n ff_thread_await_progress(&s->last_picture_ptr->f,\n mb_y, 0);\n }\n is_intra_likely += s->dsp.sad[0](NULL, last_mb_ptr, mb_ptr,\n s->linesize, 16);\n is_intra_likely -= s->dsp.sad[0](NULL, last_mb_ptr,\n last_mb_ptr + s->linesize * 16,\n s->linesize, 16);\n } else {\n if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n is_intra_likely++;\n else\n is_intra_likely--;\n }\n }\n }\n return is_intra_likely > 0;\n}', 'static void decode_mb(MpegEncContext *s, int ref)\n{\n s->dest[0] = s->current_picture.f.data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16;\n s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);\n s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);\n if (CONFIG_H264_DECODER && s->codec_id == CODEC_ID_H264) {\n H264Context *h = (void*)s;\n h->mb_xy = s->mb_x + s->mb_y * s->mb_stride;\n memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));\n assert(ref >= 0);\n if (ref >= h->ref_count[0])\n ref = 0;\n fill_rectangle(&s->current_picture.f.ref_index[0][4 * h->mb_xy],\n 2, 2, 2, ref, 1);\n fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);\n fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8,\n pack16to32(s->mv[0][0][0], s->mv[0][0][1]), 4);\n assert(!FRAME_MBAFF);\n ff_h264_hl_decode_mb(h);\n } else {\n assert(ref == 0);\n ff_MPV_decode_mb(s, s->block);\n }\n}', 'void ff_h264_hl_decode_mb(H264Context *h)\n{\n MpegEncContext *const s = &h->s;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;\n if (CHROMA444) {\n if (is_complex || h->pixel_shift)\n hl_decode_mb_444_complex(h);\n else\n hl_decode_mb_444_simple(h);\n } else if (is_complex) {\n hl_decode_mb_complex(h);\n } else if (h->pixel_shift) {\n hl_decode_mb_simple_16(h);\n } else\n hl_decode_mb_simple_8(h);\n}', 'static av_noinline void hl_decode_mb_444_complex(H264Context *h)\n{\n hl_decode_mb_444_internal(h, 0, h->pixel_shift);\n}', 'static av_always_inline void hl_decode_mb_444_internal(H264Context *h,\n int simple,\n int pixel_shift)\n{\n MpegEncContext *const s = &h->s;\n const int mb_x = s->mb_x;\n const int mb_y = s->mb_y;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n uint8_t *dest[3];\n int linesize;\n int i, j, p;\n int *block_offset = &h->block_offset[0];\n const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);\n const int plane_count = (simple || !CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) ? 3 : 1;\n for (p = 0; p < plane_count; p++) {\n dest[p] = s->current_picture.f.data[p] +\n ((mb_x << pixel_shift) + mb_y * s->linesize) * 16;\n s->dsp.prefetch(dest[p] + (s->mb_x & 3) * 4 * s->linesize + (64 << pixel_shift),\n s->linesize, 4);\n }\n h->list_counts[mb_xy] = h->list_count;\n if (!simple && MB_FIELD) {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize * 2;\n block_offset = &h->block_offset[48];\n if (mb_y & 1)\n for (p = 0; p < 3; p++)\n dest[p] -= s->linesize * 15;\n if (FRAME_MBAFF) {\n int list;\n for (list = 0; list < h->list_count; list++) {\n if (!USES_LIST(mb_type, list))\n continue;\n if (IS_16X16(mb_type)) {\n int8_t *ref = &h->ref_cache[list][scan8[0]];\n fill_rectangle(ref, 4, 4, 8, (16 + *ref) ^ (s->mb_y & 1), 1);\n } else {\n for (i = 0; i < 16; i += 4) {\n int ref = h->ref_cache[list][scan8[i]];\n if (ref >= 0)\n fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2,\n 8, (16 + ref) ^ (s->mb_y & 1), 1);\n }\n }\n }\n }\n } else {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize;\n }\n if (!simple && IS_INTRA_PCM(mb_type)) {\n if (pixel_shift) {\n const int bit_depth = h->sps.bit_depth_luma;\n GetBitContext gb;\n init_get_bits(&gb, (uint8_t *)h->mb, 768 * bit_depth);\n for (p = 0; p < plane_count; p++)\n for (i = 0; i < 16; i++) {\n uint16_t *tmp = (uint16_t *)(dest[p] + i * linesize);\n for (j = 0; j < 16; j++)\n tmp[j] = get_bits(&gb, bit_depth);\n }\n } else {\n for (p = 0; p < plane_count; p++)\n for (i = 0; i < 16; i++)\n memcpy(dest[p] + i * linesize, h->mb + p * 128 + i * 8, 16);\n }\n } else {\n if (IS_INTRA(mb_type)) {\n if (h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize,\n linesize, 1, 1, simple, pixel_shift);\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_predict_luma(h, mb_type, 1, simple,\n transform_bypass, pixel_shift,\n block_offset, linesize, dest[p], p);\n if (h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize,\n linesize, 0, 1, simple, pixel_shift);\n } else {\n hl_motion(h, dest[0], dest[1], dest[2],\n s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,\n s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,\n h->h264dsp.weight_h264_pixels_tab,\n h->h264dsp.biweight_h264_pixels_tab, pixel_shift, 3);\n }\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_idct_luma(h, mb_type, 1, simple, transform_bypass,\n pixel_shift, block_offset, linesize,\n dest[p], p);\n }\n if (h->cbp || IS_INTRA(mb_type)) {\n s->dsp.clear_blocks(h->mb);\n s->dsp.clear_blocks(h->mb + (24 * 16 << pixel_shift));\n }\n}', 'static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y,\n uint8_t *dest_cb, uint8_t *dest_cr,\n qpel_mc_func(*qpix_put)[16],\n h264_chroma_mc_func(*chroma_put),\n qpel_mc_func(*qpix_avg)[16],\n h264_chroma_mc_func(*chroma_avg),\n h264_weight_func *weight_op,\n h264_biweight_func *weight_avg,\n int pixel_shift, int chroma_idc)\n{\n MpegEncContext *const s = &h->s;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n assert(IS_INTER(mb_type));\n if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))\n await_references(h);\n prefetch_motion(h, 0, pixel_shift, chroma_idc);\n if (IS_16X16(mb_type)) {\n mc_part(h, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n pixel_shift, chroma_idc);\n } else if (IS_16X8(mb_type)) {\n mc_part(h, 0, 0, 8, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n pixel_shift, chroma_idc);\n mc_part(h, 8, 0, 8, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 4,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),\n pixel_shift, chroma_idc);\n } else if (IS_8X16(mb_type)) {\n mc_part(h, 0, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n pixel_shift, chroma_idc);\n mc_part(h, 4, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),\n pixel_shift, chroma_idc);\n } else {\n int i;\n assert(IS_8X8(mb_type));\n for (i = 0; i < 4; i++) {\n const int sub_mb_type = h->sub_mb_type[i];\n const int n = 4 * i;\n int x_offset = (i & 1) << 2;\n int y_offset = (i & 2) << 1;\n if (IS_SUB_8X8(sub_mb_type)) {\n mc_part(h, n, 1, 8, 0, dest_y, dest_cb, dest_cr,\n x_offset, y_offset,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma_idc);\n } else if (IS_SUB_8X4(sub_mb_type)) {\n mc_part(h, n, 0, 4, 4 << pixel_shift, dest_y, dest_cb, dest_cr,\n x_offset, y_offset,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma_idc);\n mc_part(h, n + 2, 0, 4, 4 << pixel_shift,\n dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma_idc);\n } else if (IS_SUB_4X8(sub_mb_type)) {\n mc_part(h, n, 0, 8, 4 * h->mb_linesize,\n dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma_idc);\n mc_part(h, n + 1, 0, 8, 4 * h->mb_linesize,\n dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma_idc);\n } else {\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for (j = 0; j < 4; j++) {\n int sub_x_offset = x_offset + 2 * (j & 1);\n int sub_y_offset = y_offset + (j & 2);\n mc_part(h, n + j, 1, 4, 0,\n dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n pixel_shift, chroma_idc);\n }\n }\n }\n }\n prefetch_motion(h, 1, pixel_shift, chroma_idc);\n}', 'static void await_references(H264Context *h)\n{\n MpegEncContext *const s = &h->s;\n const int mb_xy = h->mb_xy;\n const int mb_type = s->current_picture.f.mb_type[mb_xy];\n int refs[2][48];\n int nrefs[2] = { 0 };\n int ref, list;\n memset(refs, -1, sizeof(refs));\n if (IS_16X16(mb_type)) {\n get_lowest_part_y(h, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n } else if (IS_16X8(mb_type)) {\n get_lowest_part_y(h, refs, 0, 8, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, 8, 8, 8,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n } else if (IS_8X16(mb_type)) {\n get_lowest_part_y(h, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, refs, 4, 16, 0,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n } else {\n int i;\n assert(IS_8X8(mb_type));\n for (i = 0; i < 4; i++) {\n const int sub_mb_type = h->sub_mb_type[i];\n const int n = 4 * i;\n int y_offset = (i & 2) << 2;\n if (IS_SUB_8X8(sub_mb_type)) {\n get_lowest_part_y(h, refs, n, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else if (IS_SUB_8X4(sub_mb_type)) {\n get_lowest_part_y(h, refs, n, 4, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else if (IS_SUB_4X8(sub_mb_type)) {\n get_lowest_part_y(h, refs, n, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n get_lowest_part_y(h, refs, n + 1, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else {\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for (j = 0; j < 4; j++) {\n int sub_y_offset = y_offset + 2 * (j & 2);\n get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n }\n }\n }\n }\n for (list = h->list_count - 1; list >= 0; list--)\n for (ref = 0; ref < 48 && nrefs[list]; ref++) {\n int row = refs[list][ref];\n if (row >= 0) {\n Picture *ref_pic = &h->ref_list[list][ref];\n int ref_field = ref_pic->f.reference - 1;\n int ref_field_picture = ref_pic->field_picture;\n int pic_height = 16 * s->mb_height >> ref_field_picture;\n row <<= MB_MBAFF;\n nrefs[list]--;\n if (!FIELD_PICTURE && ref_field_picture) {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN((row >> 1) - !(row & 1),\n pic_height - 1),\n 1);\n ff_thread_await_progress(&ref_pic->f,\n FFMIN((row >> 1), pic_height - 1),\n 0);\n } else if (FIELD_PICTURE && !ref_field_picture) {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN(row * 2 + ref_field,\n pic_height - 1),\n 0);\n } else if (FIELD_PICTURE) {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN(row, pic_height - 1),\n ref_field);\n } else {\n ff_thread_await_progress(&ref_pic->f,\n FFMIN(row, pic_height - 1),\n 0);\n }\n }\n }\n}'] |
8,142 | 0 | https://github.com/openssl/openssl/blob/207c7df746ca5c3cad6ce71e6cf2263d4183d8be/crypto/bn/bn_ctx.c/#L111 | void BN_CTX_start(BN_CTX *ctx)
{
if (ctx->depth < BN_CTX_NUM_POS)
ctx->pos[ctx->depth] = ctx->tos;
ctx->depth++;
} | ['static int RSA_eay_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)\n\t{\n\tBIGNUM r1,m1;\n\tint ret=0;\n\tBN_CTX *ctx;\n\tif ((ctx=BN_CTX_new()) == NULL) goto err;\n\tBN_init(&m1);\n\tBN_init(&r1);\n\tif (rsa->flags & RSA_FLAG_CACHE_PRIVATE)\n\t\t{\n\t\tif (rsa->_method_mod_p == NULL)\n\t\t\t{\n\t\t\tif ((rsa->_method_mod_p=BN_MONT_CTX_new()) != NULL)\n\t\t\t\tif (!BN_MONT_CTX_set(rsa->_method_mod_p,rsa->p,\n\t\t\t\t\t\t ctx))\n\t\t\t\t\tgoto err;\n\t\t\t}\n\t\tif (rsa->_method_mod_q == NULL)\n\t\t\t{\n\t\t\tif ((rsa->_method_mod_q=BN_MONT_CTX_new()) != NULL)\n\t\t\t\tif (!BN_MONT_CTX_set(rsa->_method_mod_q,rsa->q,\n\t\t\t\t\t\t ctx))\n\t\t\t\t\tgoto err;\n\t\t\t}\n\t\t}\n\tif (!BN_mod(&r1,I,rsa->q,ctx)) goto err;\n\tif (!rsa->meth->bn_mod_exp(&m1,&r1,rsa->dmq1,rsa->q,ctx,\n\t\trsa->_method_mod_q)) goto err;\n\tif (!BN_mod(&r1,I,rsa->p,ctx)) goto err;\n\tif (!rsa->meth->bn_mod_exp(r0,&r1,rsa->dmp1,rsa->p,ctx,\n\t\trsa->_method_mod_p)) goto err;\n\tif (!BN_sub(r0,r0,&m1)) goto err;\n\tif (r0->neg)\n\t\tif (!BN_add(r0,r0,rsa->p)) goto err;\n\tif (!BN_mul(&r1,r0,rsa->iqmp,ctx)) goto err;\n\tif (!BN_mod(r0,&r1,rsa->p,ctx)) goto err;\n\tif (r0->neg)\n\t\tif (!BN_add(r0,r0,rsa->p)) goto err;\n\tif (!BN_mul(&r1,r0,rsa->q,ctx)) goto err;\n\tif (!BN_add(r0,&r1,&m1)) goto err;\n\tret=1;\nerr:\n\tBN_clear_free(&m1);\n\tBN_clear_free(&r1);\n\tBN_CTX_free(ctx);\n\treturn(ret);\n\t}', 'BN_CTX *BN_CTX_new(void)\n\t{\n\tBN_CTX *ret;\n\tret=(BN_CTX *)Malloc(sizeof(BN_CTX));\n\tif (ret == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tBN_CTX_init(ret);\n\tret->flags=BN_FLG_MALLOCED;\n\treturn(ret);\n\t}', 'void BN_CTX_init(BN_CTX *ctx)\n\t{\n\tint i;\n\tctx->tos = 0;\n\tctx->flags = 0;\n\tctx->depth = 0;\n\tctx->too_many = 0;\n\tfor (i = 0; i < BN_CTX_NUM; i++)\n\t\tBN_init(&(ctx->bn[i]));\n\t}', 'int BN_mod(BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n#if 0\n\tint i,nm,nd;\n\tBIGNUM *dv;\n\tif (BN_ucmp(m,d) < 0)\n\t\treturn((BN_copy(rem,m) == NULL)?0:1);\n\tBN_CTX_start(ctx);\n\tdv=BN_CTX_get(ctx);\n\tif (!BN_copy(rem,m)) goto err;\n\tnm=BN_num_bits(rem);\n\tnd=BN_num_bits(d);\n\tif (!BN_lshift(dv,d,nm-nd)) goto err;\n\tfor (i=nm-nd; i>=0; i--)\n\t\t{\n\t\tif (BN_cmp(rem,dv) >= 0)\n\t\t\t{\n\t\t\tif (!BN_sub(rem,rem,dv)) goto err;\n\t\t\t}\n\t\tif (!BN_rshift1(dv,dv)) goto err;\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\n err:\n\tBN_CTX_end(ctx);\n\treturn(0);\n#else\n\treturn(BN_div(NULL,rem,m,d,ctx));\n#endif\n\t}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,j,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tbn_check_top(num);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\ttmp->neg=0;\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tBN_lshift(sdiv,divisor,norm_shift);\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tBN_lshift(snum,num,norm_shift);\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\tBN_init(&wnum);\n\twnum.d=\t &(snum->d[loop]);\n\twnum.top= div_n;\n\twnum.max= snum->max+1;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tif (!BN_usub(&wnum,&wnum,sdiv)) goto err;\n\t\t*resp=1;\n\t\tres->d[res->top-1]=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tresp--;\n\tfor (i=0; i<loop-1; i++)\n\t\t{\n\t\tBN_ULONG q,l0;\n#ifdef BN_DIV3W\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h,ql,qh;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#ifdef BN_UMULT_HIGH\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\twnum.d--; wnum.top++;\n\t\ttmp->d[div_n]=l0;\n\t\tfor (j=div_n+1; j>0; j--)\n\t\t\tif (tmp->d[j-1]) break;\n\t\ttmp->top=j;\n\t\tj=wnum.top;\n\t\tBN_sub(&wnum,&wnum,tmp);\n\t\tsnum->top=snum->top+wnum.top-j;\n\t\tif (wnum.neg)\n\t\t\t{\n\t\t\tq--;\n\t\t\tj=wnum.top;\n\t\t\tBN_add(&wnum,&wnum,sdiv);\n\t\t\tsnum->top+=wnum.top-j;\n\t\t\t}\n\t\t*(resp--)=q;\n\t\twnump--;\n\t\t}\n\tif (rm != NULL)\n\t\t{\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\trm->neg=num->neg;\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint top,al,bl;\n\tBIGNUM *rr;\n#ifdef BN_RECURSION\n\tBIGNUM *t;\n\tint i,j,k;\n#endif\n#ifdef BN_COUNT\nprintf("BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tr->neg=a->neg^b->neg;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tBN_CTX_start(ctx);\n\tif ((r == a) || (r == b))\n\t\t{\n\t\tif ((rr = BN_CTX_get(ctx)) == NULL) goto err;\n\t\t}\n\telse\n\t\trr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tif (al == bl)\n\t\t{\n# ifdef BN_MUL_COMBA\n if (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) goto err;\n\t\t\trr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n# endif\n#ifdef BN_RECURSION\n\t\tif (al < BN_MULL_SIZE_NORMAL)\n#endif\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,top) == NULL) goto err;\n\t\t\trr->top=top;\n\t\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\t\tgoto end;\n\t\t\t}\n# ifdef BN_RECURSION\n\t\tgoto symmetric;\n# endif\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\telse if ((al < BN_MULL_SIZE_NORMAL) || (bl < BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (bn_wexpand(rr,top) == NULL) goto err;\n\t\trr->top=top;\n\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\tgoto end;\n\t\t}\n\telse\n\t\t{\n\t\ti=(al-bl);\n\t\tif ((i == 1) && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(b,al);\n\t\t\tb->d[bl]=0;\n\t\t\tbl++;\n\t\t\tgoto symmetric;\n\t\t\t}\n\t\telse if ((i == -1) && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(a,bl);\n\t\t\ta->d[al]=0;\n\t\t\tal++;\n\t\t\tgoto symmetric;\n\t\t\t}\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) goto err;\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#ifdef BN_RECURSION\n\tif (0)\n\t\t{\nsymmetric:\n\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\tj=1<<(j-1);\n\t\tk=j+j;\n\t\tt = BN_CTX_get(ctx);\n\t\tif (al == j)\n\t\t\t{\n\t\t\tbn_wexpand(t,k*2);\n\t\t\tbn_wexpand(rr,k*2);\n\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tbn_wexpand(a,k);\n\t\t\tbn_wexpand(b,k);\n\t\t\tbn_wexpand(t,k*4);\n\t\t\tbn_wexpand(rr,k*4);\n\t\t\tfor (i=a->top; i<k; i++)\n\t\t\t\ta->d[i]=0;\n\t\t\tfor (i=b->top; i<k; i++)\n\t\t\t\tb->d[i]=0;\n\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t}\n\t\trr->top=top;\n\t\t}\n#endif\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_fix_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tif (ctx->depth < BN_CTX_NUM_POS)\n\t\tctx->pos[ctx->depth] = ctx->tos;\n\tctx->depth++;\n\t}'] |
8,143 | 0 | https://github.com/libav/libav/blob/5228bcd8705523cee43e351e1a113e12aefcf837/libavcodec/vp8dsp.c/#L162 | static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)
{
LOAD_PIXELS
return simple_limit(p, stride, 2*E+I)
&& FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I
&& FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;
} | ['static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)\n{\n LOAD_PIXELS\n return simple_limit(p, stride, 2*E+I)\n && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I\n && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;\n}'] |
8,144 | 0 | https://github.com/libav/libav/blob/1e8b9738fa70e20967ddb542d2f9d5552fc51ec6/libavcodec/h264_loopfilter.c/#L206 | static av_always_inline void filter_mb_edgeh(uint8_t *pix, int stride,
const int16_t bS[4],
unsigned int qp, int a, int b,
H264Context *h, int intra)
{
const unsigned int index_a = qp + a;
const int alpha = alpha_table[index_a];
const int beta = beta_table[qp + b];
if (alpha ==0 || beta == 0) return;
if( bS[0] < 4 || !intra ) {
int8_t tc[4];
tc[0] = tc0_table[index_a][bS[0]];
tc[1] = tc0_table[index_a][bS[1]];
tc[2] = tc0_table[index_a][bS[2]];
tc[3] = tc0_table[index_a][bS[3]];
h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
} else {
h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
}
} | ['static av_always_inline void h264_filter_mb_fast_internal(H264Context *h,\n int mb_x, int mb_y,\n uint8_t *img_y,\n uint8_t *img_cb,\n uint8_t *img_cr,\n unsigned int linesize,\n unsigned int uvlinesize,\n int pixel_shift)\n{\n int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));\n int chroma444 = CHROMA444(h);\n int chroma422 = CHROMA422(h);\n int mb_xy = h->mb_xy;\n int left_type= h->left_type[LTOP];\n int top_type= h->top_type;\n int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);\n int a = h->slice_alpha_c0_offset - qp_bd_offset;\n int b = h->slice_beta_offset - qp_bd_offset;\n int mb_type = h->cur_pic.mb_type[mb_xy];\n int qp = h->cur_pic.qscale_table[mb_xy];\n int qp0 = h->cur_pic.qscale_table[mb_xy - 1];\n int qp1 = h->cur_pic.qscale_table[h->top_mb_xy];\n int qpc = get_chroma_qp( h, 0, qp );\n int qpc0 = get_chroma_qp( h, 0, qp0 );\n int qpc1 = get_chroma_qp( h, 0, qp1 );\n qp0 = (qp + qp0 + 1) >> 1;\n qp1 = (qp + qp1 + 1) >> 1;\n qpc0 = (qpc + qpc0 + 1) >> 1;\n qpc1 = (qpc + qpc1 + 1) >> 1;\n if( IS_INTRA(mb_type) ) {\n static const int16_t bS4[4] = {4,4,4,4};\n static const int16_t bS3[4] = {3,3,3,3};\n const int16_t *bSH = FIELD_PICTURE(h) ? bS3 : bS4;\n if(left_type)\n filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1);\n if( IS_8x8DCT(mb_type) ) {\n filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);\n if(top_type){\n filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);\n }\n filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);\n } else {\n filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0);\n filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);\n filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0);\n if(top_type){\n filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);\n }\n filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, a, b, h, 0);\n filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);\n filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, a, b, h, 0);\n }\n if(chroma){\n if(chroma444){\n if(left_type){\n filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);\n filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);\n }\n if( IS_8x8DCT(mb_type) ) {\n filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n if(top_type){\n filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );\n filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );\n }\n filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);\n } else {\n filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);\n if(top_type){\n filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);\n filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);\n }\n filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);\n }\n }else if(chroma422){\n if(left_type){\n filter_mb_edgecv(&img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);\n filter_mb_edgecv(&img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);\n }\n filter_mb_edgecv(&img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgecv(&img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);\n if(top_type){\n filter_mb_edgech(&img_cb[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);\n filter_mb_edgech(&img_cr[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);\n }\n filter_mb_edgech(&img_cb[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgech(&img_cr[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgech(&img_cb[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgech(&img_cr[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgech(&img_cb[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgech(&img_cr[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n }else{\n if(left_type){\n filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);\n filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);\n }\n filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);\n if(top_type){\n filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);\n filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);\n }\n filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);\n }\n }\n return;\n } else {\n LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);\n int edges;\n if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 && !chroma444 ) {\n edges = 4;\n AV_WN64A(bS[0][0], 0x0002000200020002ULL);\n AV_WN64A(bS[0][2], 0x0002000200020002ULL);\n AV_WN64A(bS[1][0], 0x0002000200020002ULL);\n AV_WN64A(bS[1][2], 0x0002000200020002ULL);\n } else {\n int mask_edge1 = (3*(((5*mb_type)>>5)&1)) | (mb_type>>4);\n int mask_edge0 = 3*((mask_edge1>>1) & ((5*left_type)>>5)&1);\n int step = 1+(mb_type>>24);\n edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15));\n h->h264dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,\n h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE(h));\n }\n if( IS_INTRA(left_type) )\n AV_WN64A(bS[0][0], 0x0004000400040004ULL);\n if( IS_INTRA(top_type) )\n AV_WN64A(bS[1][0], FIELD_PICTURE(h) ? 0x0003000300030003ULL : 0x0004000400040004ULL);\n#define FILTER(hv,dir,edge,intra)\\\n if(AV_RN64A(bS[dir][edge])) { \\\n filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qp : qp##dir, a, b, h, intra );\\\n if(chroma){\\\n if(chroma444){\\\n filter_mb_edge##hv( &img_cb[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\\\n filter_mb_edge##hv( &img_cr[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\\\n } else if(!(edge&1)) {\\\n filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\\\n filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\\\n }\\\n }\\\n }\n if(left_type)\n FILTER(v,0,0,1);\n if( edges == 1 ) {\n if(top_type)\n FILTER(h,1,0,1);\n } else if( IS_8x8DCT(mb_type) ) {\n FILTER(v,0,2,0);\n if(top_type)\n FILTER(h,1,0,1);\n FILTER(h,1,2,0);\n } else {\n FILTER(v,0,1,0);\n FILTER(v,0,2,0);\n FILTER(v,0,3,0);\n if(top_type)\n FILTER(h,1,0,1);\n FILTER(h,1,1,0);\n FILTER(h,1,2,0);\n FILTER(h,1,3,0);\n }\n#undef FILTER\n }\n}', 'static av_always_inline void filter_mb_edgeh(uint8_t *pix, int stride,\n const int16_t bS[4],\n unsigned int qp, int a, int b,\n H264Context *h, int intra)\n{\n const unsigned int index_a = qp + a;\n const int alpha = alpha_table[index_a];\n const int beta = beta_table[qp + b];\n if (alpha ==0 || beta == 0) return;\n if( bS[0] < 4 || !intra ) {\n int8_t tc[4];\n tc[0] = tc0_table[index_a][bS[0]];\n tc[1] = tc0_table[index_a][bS[1]];\n tc[2] = tc0_table[index_a][bS[2]];\n tc[3] = tc0_table[index_a][bS[3]];\n h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);\n } else {\n h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);\n }\n}'] |
8,145 | 0 | https://github.com/openssl/openssl/blob/eaeb1870d4ef887a89f0bcec6b5ee1ec7fafa00f/crypto/x509/x509_vfy.c/#L423 | int X509_cmp_current_time(ASN1_UTCTIME *ctm)
{
char *str;
ASN1_UTCTIME atm;
time_t offset;
char buff1[24],buff2[24],*p;
int i,j;
p=buff1;
i=ctm->length;
str=(char *)ctm->data;
if ((i < 11) || (i > 17)) return(0);
memcpy(p,str,10);
p+=10;
str+=10;
if ((*str == 'Z') || (*str == '-') || (*str == '+'))
{ *(p++)='0'; *(p++)='0'; }
else { *(p++)= *(str++); *(p++)= *(str++); }
*(p++)='Z';
*(p++)='\0';
if (*str == 'Z')
offset=0;
else
{
if ((*str != '+') && (str[5] != '-'))
return(0);
offset=((str[1]-'0')*10+(str[2]-'0'))*60;
offset+=(str[3]-'0')*10+(str[4]-'0');
if (*str == '-')
offset= -offset;
}
atm.type=V_ASN1_UTCTIME;
atm.length=sizeof(buff2);
atm.data=(unsigned char *)buff2;
X509_gmtime_adj(&atm,-offset);
i=(buff1[0]-'0')*10+(buff1[1]-'0');
if (i < 50) i+=100;
j=(buff2[0]-'0')*10+(buff2[1]-'0');
if (j < 50) j+=100;
if (i < j) return (-1);
if (i > j) return (1);
i=strcmp(buff1,buff2);
if (i == 0)
return(-1);
else
return(i);
} | ['static int internal_verify(X509_STORE_CTX *ctx)\n\t{\n\tint i,ok=0,n;\n\tX509 *xs,*xi;\n\tEVP_PKEY *pkey=NULL;\n\tint (*cb)();\n\tcb=ctx->ctx->verify_cb;\n\tif (cb == NULL) cb=null_callback;\n\tn=sk_X509_num(ctx->chain);\n\tctx->error_depth=n-1;\n\tn--;\n\txi=sk_X509_value(ctx->chain,n);\n\tif (X509_NAME_cmp(X509_get_subject_name(xi),\n\t\tX509_get_issuer_name(xi)) == 0)\n\t\txs=xi;\n\telse\n\t\t{\n\t\tif (n <= 0)\n\t\t\t{\n\t\t\tctx->error=X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE;\n\t\t\tctx->current_cert=xi;\n\t\t\tok=cb(0,ctx);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tn--;\n\t\t\tctx->error_depth=n;\n\t\t\txs=sk_X509_value(ctx->chain,n);\n\t\t\t}\n\t\t}\n\twhile (n >= 0)\n\t\t{\n\t\tctx->error_depth=n;\n\t\tif (!xs->valid)\n\t\t\t{\n\t\t\tif ((pkey=X509_get_pubkey(xi)) == NULL)\n\t\t\t\t{\n\t\t\t\tctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY;\n\t\t\t\tctx->current_cert=xi;\n\t\t\t\tok=(*cb)(0,ctx);\n\t\t\t\tif (!ok) goto end;\n\t\t\t\t}\n\t\t\tif (X509_verify(xs,pkey) <= 0)\n\t\t\t\t{\n\t\t\t\tEVP_PKEY_free(pkey);\n\t\t\t\tctx->error=X509_V_ERR_CERT_SIGNATURE_FAILURE;\n\t\t\t\tctx->current_cert=xs;\n\t\t\t\tok=(*cb)(0,ctx);\n\t\t\t\tif (!ok) goto end;\n\t\t\t\t}\n\t\t\tEVP_PKEY_free(pkey);\n\t\t\tpkey=NULL;\n\t\t\ti=X509_cmp_current_time(X509_get_notBefore(xs));\n\t\t\tif (i == 0)\n\t\t\t\t{\n\t\t\t\tctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD;\n\t\t\t\tctx->current_cert=xs;\n\t\t\t\tok=(*cb)(0,ctx);\n\t\t\t\tif (!ok) goto end;\n\t\t\t\t}\n\t\t\tif (i > 0)\n\t\t\t\t{\n\t\t\t\tctx->error=X509_V_ERR_CERT_NOT_YET_VALID;\n\t\t\t\tctx->current_cert=xs;\n\t\t\t\tok=(*cb)(0,ctx);\n\t\t\t\tif (!ok) goto end;\n\t\t\t\t}\n\t\t\txs->valid=1;\n\t\t\t}\n\t\ti=X509_cmp_current_time(X509_get_notAfter(xs));\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD;\n\t\t\tctx->current_cert=xs;\n\t\t\tok=(*cb)(0,ctx);\n\t\t\tif (!ok) goto end;\n\t\t\t}\n\t\tif (i < 0)\n\t\t\t{\n\t\t\tctx->error=X509_V_ERR_CERT_HAS_EXPIRED;\n\t\t\tctx->current_cert=xs;\n\t\t\tok=(*cb)(0,ctx);\n\t\t\tif (!ok) goto end;\n\t\t\t}\n\t\tctx->current_cert=xs;\n\t\tok=(*cb)(1,ctx);\n\t\tif (!ok) goto end;\n\t\tn--;\n\t\tif (n >= 0)\n\t\t\t{\n\t\t\txi=xs;\n\t\t\txs=sk_X509_value(ctx->chain,n);\n\t\t\t}\n\t\t}\n\tok=1;\nend:\n\treturn(ok);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}', 'EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key)\n\t{\n\tEVP_PKEY *ret=NULL;\n\tlong j;\n\tint type;\n\tunsigned char *p;\n#ifndef NO_DSA\n\tX509_ALGOR *a;\n#endif\n\tif (key == NULL) goto err;\n\tif (key->pkey != NULL)\n\t {\n\t CRYPTO_add(&key->pkey->references,1,CRYPTO_LOCK_EVP_PKEY);\n\t return(key->pkey);\n\t }\n\tif (key->public_key == NULL) goto err;\n\ttype=OBJ_obj2nid(key->algor->algorithm);\n\tp=key->public_key->data;\n j=key->public_key->length;\n if ((ret=d2i_PublicKey(type,NULL,&p,(long)j)) == NULL)\n\t\t{\n\t\tX509err(X509_F_X509_PUBKEY_GET,X509_R_ERR_ASN1_LIB);\n\t\tgoto err;\n\t\t}\n\tret->save_parameters=0;\n#ifndef NO_DSA\n\ta=key->algor;\n\tif (ret->type == EVP_PKEY_DSA)\n\t\t{\n\t\tif (a->parameter->type == V_ASN1_SEQUENCE)\n\t\t\t{\n\t\t\tret->pkey.dsa->write_params=0;\n\t\t\tp=a->parameter->value.sequence->data;\n\t\t\tj=a->parameter->value.sequence->length;\n\t\t\tif (!d2i_DSAparams(&ret->pkey.dsa,&p,(long)j))\n\t\t\t\tgoto err;\n\t\t\t}\n\t\tret->save_parameters=1;\n\t\t}\n#endif\n\tkey->pkey=ret;\n\tCRYPTO_add(&ret->references,1,CRYPTO_LOCK_EVP_PKEY);\n\treturn(ret);\nerr:\n\tif (ret != NULL)\n\t\tEVP_PKEY_free(ret);\n\treturn(NULL);\n\t}', 'DSA *d2i_DSAparams(DSA **a, unsigned char **pp, long length)\n\t{\n\tint i=ERR_R_NESTED_ASN1_ERROR;\n\tASN1_INTEGER *bs=NULL;\n\tM_ASN1_D2I_vars(a,DSA *,DSA_new);\n\tM_ASN1_D2I_Init();\n\tM_ASN1_D2I_start_sequence();\n\tM_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);\n\tif ((ret->p=BN_bin2bn(bs->data,bs->length,ret->p)) == NULL) goto err_bn;\n\tM_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);\n\tif ((ret->q=BN_bin2bn(bs->data,bs->length,ret->q)) == NULL) goto err_bn;\n\tM_ASN1_D2I_get(bs,d2i_ASN1_INTEGER);\n\tif ((ret->g=BN_bin2bn(bs->data,bs->length,ret->g)) == NULL) goto err_bn;\n\tASN1_BIT_STRING_free(bs);\n\tM_ASN1_D2I_Finish_2(a);\nerr_bn:\n\ti=ERR_R_BN_LIB;\nerr:\n\tASN1err(ASN1_F_D2I_DSAPARAMS,i);\n\tif ((ret != NULL) && ((a == NULL) || (*a != ret))) DSA_free(ret);\n\tif (bs != NULL) ASN1_BIT_STRING_free(bs);\n\treturn(NULL);\n\t}', 'ASN1_INTEGER *d2i_ASN1_INTEGER(ASN1_INTEGER **a, unsigned char **pp,\n\t long length)\n\t{\n\tASN1_INTEGER *ret=NULL;\n\tunsigned char *p,*to,*s;\n\tlong len;\n\tint inf,tag,xclass;\n\tint i;\n\tif ((a == NULL) || ((*a) == NULL))\n\t\t{\n\t\tif ((ret=ASN1_INTEGER_new()) == NULL) return(NULL);\n\t\tret->type=V_ASN1_INTEGER;\n\t\t}\n\telse\n\t\tret=(*a);\n\tp= *pp;\n\tinf=ASN1_get_object(&p,&len,&tag,&xclass,length);\n\tif (inf & 0x80)\n\t\t{\n\t\ti=ASN1_R_BAD_OBJECT_HEADER;\n\t\tgoto err;\n\t\t}\n\tif (tag != V_ASN1_INTEGER)\n\t\t{\n\t\ti=ASN1_R_EXPECTING_AN_INTEGER;\n\t\tgoto err;\n\t\t}\n\ts=(unsigned char *)Malloc((int)len+1);\n\tif (s == NULL)\n\t\t{\n\t\ti=ERR_R_MALLOC_FAILURE;\n\t\tgoto err;\n\t\t}\n\tto=s;\n\tif (*p & 0x80)\n\t\t{\n\t\tret->type=V_ASN1_NEG_INTEGER;\n\t\tif ((*p == 0xff) && (len != 1)) {\n\t\t\tp++;\n\t\t\tlen--;\n\t\t}\n\t\ti = len;\n\t\tp += i - 1;\n\t\tto += i - 1;\n\t\twhile((!*p) && i) {\n\t\t\t*(to--) = 0;\n\t\t\ti--;\n\t\t\tp--;\n\t\t}\n\t\tif(!i) {\n\t\t\t*s = 1;\n\t\t\ts[len] = 0;\n\t\t\tp += len;\n\t\t\tlen++;\n\t\t} else {\n\t\t\t*(to--) = (*(p--) ^ 0xff) + 1;\n\t\t\ti--;\n\t\t\tfor(;i > 0; i--) *(to--) = *(p--) ^ 0xff;\n\t\t\tp += len;\n\t\t}\n\t} else {\n\t\tret->type=V_ASN1_INTEGER;\n\t\tif ((*p == 0) && (len != 1))\n\t\t\t{\n\t\t\tp++;\n\t\t\tlen--;\n\t\t\t}\n\t\tmemcpy(s,p,(int)len);\n\t\tp+=len;\n\t}\n\tif (ret->data != NULL) Free((char *)ret->data);\n\tret->data=s;\n\tret->length=(int)len;\n\tif (a != NULL) (*a)=ret;\n\t*pp=p;\n\treturn(ret);\nerr:\n\tASN1err(ASN1_F_D2I_ASN1_INTEGER,i);\n\tif ((ret != NULL) && ((a == NULL) || (*a != ret)))\n\t\tASN1_INTEGER_free(ret);\n\treturn(NULL);\n\t}', "int X509_cmp_current_time(ASN1_UTCTIME *ctm)\n\t{\n\tchar *str;\n\tASN1_UTCTIME atm;\n\ttime_t offset;\n\tchar buff1[24],buff2[24],*p;\n\tint i,j;\n\tp=buff1;\n\ti=ctm->length;\n\tstr=(char *)ctm->data;\n\tif ((i < 11) || (i > 17)) return(0);\n\tmemcpy(p,str,10);\n\tp+=10;\n\tstr+=10;\n\tif ((*str == 'Z') || (*str == '-') || (*str == '+'))\n\t\t{ *(p++)='0'; *(p++)='0'; }\n\telse\t{ *(p++)= *(str++); *(p++)= *(str++); }\n\t*(p++)='Z';\n\t*(p++)='\\0';\n\tif (*str == 'Z')\n\t\toffset=0;\n\telse\n\t\t{\n\t\tif ((*str != '+') && (str[5] != '-'))\n\t\t\treturn(0);\n\t\toffset=((str[1]-'0')*10+(str[2]-'0'))*60;\n\t\toffset+=(str[3]-'0')*10+(str[4]-'0');\n\t\tif (*str == '-')\n\t\t\toffset= -offset;\n\t\t}\n\tatm.type=V_ASN1_UTCTIME;\n\tatm.length=sizeof(buff2);\n\tatm.data=(unsigned char *)buff2;\n\tX509_gmtime_adj(&atm,-offset);\n\ti=(buff1[0]-'0')*10+(buff1[1]-'0');\n\tif (i < 50) i+=100;\n\tj=(buff2[0]-'0')*10+(buff2[1]-'0');\n\tif (j < 50) j+=100;\n\tif (i < j) return (-1);\n\tif (i > j) return (1);\n\ti=strcmp(buff1,buff2);\n\tif (i == 0)\n\t\treturn(-1);\n\telse\n\t\treturn(i);\n\t}"] |
8,146 | 0 | https://github.com/libav/libav/blob/a4be782cbde337ced47b04e2e6f79ba99e79ae1d/libavcodec/h264_cabac.c/#L1160 | static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff, int is_dc ) {
static const int significant_coeff_flag_offset[2][6] = {
{ 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
{ 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
};
static const int last_coeff_flag_offset[2][6] = {
{ 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
{ 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
};
static const int coeff_abs_level_m1_offset[6] = {
227+0, 227+10, 227+20, 227+30, 227+39, 426
};
static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
{ 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
{ 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
};
static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 };
static const uint8_t coeff_abs_level_transition[2][8] = {
{ 1, 2, 3, 3, 4, 5, 6, 7 },
{ 4, 4, 4, 4, 5, 6, 7, 7 }
};
int index[64];
int av_unused last;
int coeff_count = 0;
int node_ctx = 0;
uint8_t *significant_coeff_ctx_base;
uint8_t *last_coeff_ctx_base;
uint8_t *abs_level_m1_ctx_base;
#if !ARCH_X86
#define CABAC_ON_STACK
#endif
#ifdef CABAC_ON_STACK
#define CC &cc
CABACContext cc;
cc.range = h->cabac.range;
cc.low = h->cabac.low;
cc.bytestream= h->cabac.bytestream;
#else
#define CC &h->cabac
#endif
if( is_dc || cat != 5 ) {
if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n, is_dc ) ] ) == 0 ) {
if( !is_dc )
h->non_zero_count_cache[scan8[n]] = 0;
#ifdef CABAC_ON_STACK
h->cabac.range = cc.range ;
h->cabac.low = cc.low ;
h->cabac.bytestream= cc.bytestream;
#endif
return;
}
}
significant_coeff_ctx_base = h->cabac_state
+ significant_coeff_flag_offset[MB_FIELD][cat];
last_coeff_ctx_base = h->cabac_state
+ last_coeff_flag_offset[MB_FIELD][cat];
abs_level_m1_ctx_base = h->cabac_state
+ coeff_abs_level_m1_offset[cat];
if( !is_dc && cat == 5 ) {
#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
for(last= 0; last < coefs; last++) { \
uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
if( get_cabac( CC, sig_ctx )) { \
uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
index[coeff_count++] = last; \
if( get_cabac( CC, last_ctx ) ) { \
last= max_coeff; \
break; \
} \
} \
}\
if( last == max_coeff -1 ) {\
index[coeff_count++] = last;\
}
const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
#if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS)
coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
} else {
coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
#else
DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
} else {
DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
#endif
}
assert(coeff_count > 0);
if( is_dc ) {
if( cat == 0 )
h->cbp_table[h->mb_xy] |= 0x100;
else
h->cbp_table[h->mb_xy] |= 0x40 << n;
} else {
if( cat == 5 )
fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
else {
assert( cat == 1 || cat == 2 || cat == 4 );
h->non_zero_count_cache[scan8[n]] = coeff_count;
}
}
do {
uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base;
int j= scantable[index[--coeff_count]];
if( get_cabac( CC, ctx ) == 0 ) {
node_ctx = coeff_abs_level_transition[0][node_ctx];
if( is_dc ) {
block[j] = get_cabac_bypass_sign( CC, -1);
}else{
block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;
}
} else {
int coeff_abs = 2;
ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base;
node_ctx = coeff_abs_level_transition[1][node_ctx];
while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
coeff_abs++;
}
if( coeff_abs >= 15 ) {
int j = 0;
while( get_cabac_bypass( CC ) ) {
j++;
}
coeff_abs=1;
while( j-- ) {
coeff_abs += coeff_abs + get_cabac_bypass( CC );
}
coeff_abs+= 14;
}
if( is_dc ) {
block[j] = get_cabac_bypass_sign( CC, -coeff_abs );
}else{
block[j] = (get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32) >> 6;
}
}
} while( coeff_count );
#ifdef CABAC_ON_STACK
h->cabac.range = cc.range ;
h->cabac.low = cc.low ;
h->cabac.bytestream= cc.bytestream;
#endif
} | ['int ff_h264_decode_mb_cabac(H264Context *h) {\n MpegEncContext * const s = &h->s;\n int mb_xy;\n int mb_type, partition_count, cbp = 0;\n int dct8x8_allowed= h->pps.transform_8x8_mode;\n mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;\n tprintf(s->avctx, "pic:%d mb:%d/%d\\n", h->frame_num, s->mb_x, s->mb_y);\n if( h->slice_type_nos != FF_I_TYPE ) {\n int skip;\n if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )\n predict_field_decoding_flag(h);\n if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )\n skip = h->next_mb_skipped;\n else\n skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );\n if( skip ) {\n if( FRAME_MBAFF && (s->mb_y&1)==0 ){\n s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;\n h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );\n if(!h->next_mb_skipped)\n h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n decode_mb_skip(h);\n h->cbp_table[mb_xy] = 0;\n h->chroma_pred_mode_table[mb_xy] = 0;\n h->last_qscale_diff = 0;\n return 0;\n }\n }\n if(FRAME_MBAFF){\n if( (s->mb_y&1) == 0 )\n h->mb_mbaff =\n h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n h->prev_mb_skipped = 0;\n compute_mb_neighbors(h);\n if( h->slice_type_nos == FF_B_TYPE ) {\n mb_type = decode_cabac_mb_type_b( h );\n if( mb_type < 23 ){\n partition_count= b_mb_type_info[mb_type].partition_count;\n mb_type= b_mb_type_info[mb_type].type;\n }else{\n mb_type -= 23;\n goto decode_intra_mb;\n }\n } else if( h->slice_type_nos == FF_P_TYPE ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {\n mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );\n } else {\n mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );\n }\n partition_count= p_mb_type_info[mb_type].partition_count;\n mb_type= p_mb_type_info[mb_type].type;\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 17, 0);\n goto decode_intra_mb;\n }\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 3, 1);\n if(h->slice_type == FF_SI_TYPE && mb_type)\n mb_type--;\n assert(h->slice_type_nos == FF_I_TYPE);\ndecode_intra_mb:\n partition_count = 0;\n cbp= i_mb_type_info[mb_type].cbp;\n h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;\n mb_type= i_mb_type_info[mb_type].type;\n }\n if(MB_FIELD)\n mb_type |= MB_TYPE_INTERLACED;\n h->slice_table[ mb_xy ]= h->slice_num;\n if(IS_INTRA_PCM(mb_type)) {\n const uint8_t *ptr;\n ptr= h->cabac.bytestream;\n if(h->cabac.low&0x1) ptr--;\n if(CABAC_BITS==16){\n if(h->cabac.low&0x1FF) ptr--;\n }\n memcpy(h->mb, ptr, 256); ptr+=256;\n if(CHROMA){\n memcpy(h->mb+128, ptr, 128); ptr+=128;\n }\n ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);\n h->cbp_table[mb_xy] = 0x1ef;\n h->chroma_pred_mode_table[mb_xy] = 0;\n s->current_picture.qscale_table[mb_xy]= 0;\n memset(h->non_zero_count[mb_xy], 16, 16);\n s->current_picture.mb_type[mb_xy]= mb_type;\n h->last_qscale_diff = 0;\n return 0;\n }\n if(MB_MBAFF){\n h->ref_count[0] <<= 1;\n h->ref_count[1] <<= 1;\n }\n fill_caches(h, mb_type, 0);\n if( IS_INTRA( mb_type ) ) {\n int i, pred_mode;\n if( IS_INTRA4x4( mb_type ) ) {\n if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {\n mb_type |= MB_TYPE_8x8DCT;\n for( i = 0; i < 16; i+=4 ) {\n int pred = pred_intra_mode( h, i );\n int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );\n }\n } else {\n for( i = 0; i < 16; i++ ) {\n int pred = pred_intra_mode( h, i );\n h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n }\n }\n ff_h264_write_back_intra_pred_mode(h);\n if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;\n } else {\n h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode );\n if( h->intra16x16_pred_mode < 0 ) return -1;\n }\n if(CHROMA){\n h->chroma_pred_mode_table[mb_xy] =\n pred_mode = decode_cabac_mb_chroma_pre_mode( h );\n pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode );\n if( pred_mode < 0 ) return -1;\n h->chroma_pred_mode= pred_mode;\n }\n } else if( partition_count == 4 ) {\n int i, j, sub_partition_count[4], list, ref[2][4];\n if( h->slice_type_nos == FF_B_TYPE ) {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );\n sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |\n h->sub_mb_type[2] | h->sub_mb_type[3]) ) {\n ff_h264_pred_direct_motion(h, &mb_type);\n h->ref_cache[0][scan8[4]] =\n h->ref_cache[1][scan8[4]] =\n h->ref_cache[0][scan8[12]] =\n h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;\n if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {\n for( i = 0; i < 4; i++ )\n if( IS_DIRECT(h->sub_mb_type[i]) )\n fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );\n }\n }\n } else {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );\n sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n }\n for( list = 0; list < h->list_count; list++ ) {\n for( i = 0; i < 4; i++ ) {\n if(IS_DIRECT(h->sub_mb_type[i])) continue;\n if(IS_DIR(h->sub_mb_type[i], 0, list)){\n if( h->ref_count[list] > 1 ){\n ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );\n if(ref[list][i] >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref[list][i], h->ref_count[list]);\n return -1;\n }\n }else\n ref[list][i] = 0;\n } else {\n ref[list][i] = -1;\n }\n h->ref_cache[list][ scan8[4*i]+1 ]=\n h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];\n }\n }\n if(dct8x8_allowed)\n dct8x8_allowed = get_dct8x8_allowed(h);\n for(list=0; list<h->list_count; list++){\n for(i=0; i<4; i++){\n h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];\n if(IS_DIRECT(h->sub_mb_type[i])){\n fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);\n continue;\n }\n if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){\n const int sub_mb_type= h->sub_mb_type[i];\n const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;\n for(j=0; j<sub_partition_count[i]; j++){\n int mpx, mpy;\n int mx, my;\n const int index= 4*i + block_width*j;\n int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];\n int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];\n pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n if(IS_SUB_8X8(sub_mb_type)){\n mv_cache[ 1 ][0]=\n mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;\n mv_cache[ 1 ][1]=\n mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;\n mvd_cache[ 1 ][0]=\n mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;\n mvd_cache[ 1 ][1]=\n mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;\n }else if(IS_SUB_8X4(sub_mb_type)){\n mv_cache[ 1 ][0]= mx;\n mv_cache[ 1 ][1]= my;\n mvd_cache[ 1 ][0]= mx - mpx;\n mvd_cache[ 1 ][1]= my - mpy;\n }else if(IS_SUB_4X8(sub_mb_type)){\n mv_cache[ 8 ][0]= mx;\n mv_cache[ 8 ][1]= my;\n mvd_cache[ 8 ][0]= mx - mpx;\n mvd_cache[ 8 ][1]= my - mpy;\n }\n mv_cache[ 0 ][0]= mx;\n mv_cache[ 0 ][1]= my;\n mvd_cache[ 0 ][0]= mx - mpx;\n mvd_cache[ 0 ][1]= my - mpy;\n }\n }else{\n uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];\n uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];\n p[0] = p[1] = p[8] = p[9] = 0;\n pd[0]= pd[1]= pd[8]= pd[9]= 0;\n }\n }\n }\n } else if( IS_DIRECT(mb_type) ) {\n ff_h264_pred_direct_motion(h, &mb_type);\n fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);\n fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);\n dct8x8_allowed &= h->sps.direct_8x8_inference_flag;\n } else {\n int list, mx, my, i, mpx, mpy;\n if(IS_16X16(mb_type)){\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n int ref;\n if(h->ref_count[list] > 1){\n ref= decode_cabac_mb_ref(h, list, 0);\n if(ref >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, h->ref_count[list]);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);\n }\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);\n fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);\n }else\n fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);\n }\n }\n else if(IS_16X8(mb_type)){\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref;\n if(h->ref_count[list] > 1){\n ref= decode_cabac_mb_ref( h, list, 8*i );\n if(ref >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, h->ref_count[list]);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);\n }\n }\n }\n }else{\n assert(IS_8X16(mb_type));\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref;\n if(h->ref_count[list] > 1){\n ref= decode_cabac_mb_ref( h, list, 4*i );\n if(ref >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, h->ref_count[list]);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);\n }\n }\n }\n }\n }\n if( IS_INTER( mb_type ) ) {\n h->chroma_pred_mode_table[mb_xy] = 0;\n write_back_motion( h, mb_type );\n }\n if( !IS_INTRA16x16( mb_type ) ) {\n cbp = decode_cabac_mb_cbp_luma( h );\n if(CHROMA)\n cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;\n }\n h->cbp_table[mb_xy] = h->cbp = cbp;\n if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {\n if( decode_cabac_mb_transform_size( h ) )\n mb_type |= MB_TYPE_8x8DCT;\n }\n s->current_picture.mb_type[mb_xy]= mb_type;\n if( cbp || IS_INTRA16x16( mb_type ) ) {\n const uint8_t *scan, *scan8x8, *dc_scan;\n const uint32_t *qmul;\n int dqp;\n if(IS_INTERLACED(mb_type)){\n scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;\n scan= s->qscale ? h->field_scan : h->field_scan_q0;\n dc_scan= luma_dc_field_scan;\n }else{\n scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;\n scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;\n dc_scan= luma_dc_zigzag_scan;\n }\n h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );\n if( dqp == INT_MIN ){\n av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\\n", s->mb_x, s->mb_y);\n return -1;\n }\n s->qscale += dqp;\n if(((unsigned)s->qscale) > 51){\n if(s->qscale<0) s->qscale+= 52;\n else s->qscale-= 52;\n }\n h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);\n h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);\n if( IS_INTRA16x16( mb_type ) ) {\n int i;\n decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16);\n if( cbp&15 ) {\n qmul = h->dequant4_coeff[0][s->qscale];\n for( i = 0; i < 16; i++ ) {\n decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15);\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);\n }\n } else {\n int i8x8, i4x4;\n for( i8x8 = 0; i8x8 < 4; i8x8++ ) {\n if( cbp & (1<<i8x8) ) {\n if( IS_8x8DCT(mb_type) ) {\n decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,\n scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64);\n } else {\n qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale];\n for( i4x4 = 0; i4x4 < 4; i4x4++ ) {\n const int index = 4*i8x8 + i4x4;\n decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16);\n }\n }\n } else {\n uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];\n nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;\n }\n }\n }\n if( cbp&0x30 ){\n int c;\n for( c = 0; c < 2; c++ ) {\n decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4);\n }\n }\n if( cbp&0x20 ) {\n int c, i;\n for( c = 0; c < 2; c++ ) {\n qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];\n for( i = 0; i < 4; i++ ) {\n const int index = 16 + 4 * c + i;\n decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15);\n }\n }\n } else {\n uint8_t * const nnz= &h->non_zero_count_cache[0];\n nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =\n nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;\n }\n } else {\n uint8_t * const nnz= &h->non_zero_count_cache[0];\n fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);\n nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =\n nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;\n h->last_qscale_diff = 0;\n }\n s->current_picture.qscale_table[mb_xy]= s->qscale;\n write_back_non_zero_count(h);\n if(MB_MBAFF){\n h->ref_count[0] >>= 1;\n h->ref_count[1] >>= 1;\n }\n return 0;\n}', 'static void fill_caches(H264Context *h, int mb_type, int for_deblock){\n MpegEncContext * const s = &h->s;\n const int mb_xy= h->mb_xy;\n int topleft_xy, top_xy, topright_xy, left_xy[2];\n int topleft_type, top_type, topright_type, left_type[2];\n const uint8_t * left_block;\n int topleft_partition= -1;\n int i;\n static const uint8_t left_block_options[4][8]={\n {0,1,2,3,7,10,8,11},\n {2,2,3,3,8,11,8,11},\n {0,0,1,1,7,10,7,10},\n {0,2,0,2,7,10,7,10}\n };\n top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);\n if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[top_xy]) && !FRAME_MBAFF)\n return;\n topleft_xy = top_xy - 1;\n topright_xy= top_xy + 1;\n left_xy[1] = left_xy[0] = mb_xy-1;\n left_block = left_block_options[0];\n if(FRAME_MBAFF){\n const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;\n const int top_pair_xy = pair_xy - s->mb_stride;\n const int topleft_pair_xy = top_pair_xy - 1;\n const int topright_pair_xy = top_pair_xy + 1;\n const int topleft_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);\n const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);\n const int topright_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);\n const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);\n const int curr_mb_field_flag = IS_INTERLACED(mb_type);\n const int bottom = (s->mb_y & 1);\n tprintf(s->avctx, "fill_caches: curr_mb_field_flag:%d, left_mb_field_flag:%d, topleft_mb_field_flag:%d, top_mb_field_flag:%d, topright_mb_field_flag:%d\\n", curr_mb_field_flag, left_mb_field_flag, topleft_mb_field_flag, top_mb_field_flag, topright_mb_field_flag);\n if (curr_mb_field_flag && (bottom || top_mb_field_flag)){\n top_xy -= s->mb_stride;\n }\n if (curr_mb_field_flag && (bottom || topleft_mb_field_flag)){\n topleft_xy -= s->mb_stride;\n } else if(bottom && !curr_mb_field_flag && left_mb_field_flag) {\n topleft_xy += s->mb_stride;\n topleft_partition = 0;\n }\n if (curr_mb_field_flag && (bottom || topright_mb_field_flag)){\n topright_xy -= s->mb_stride;\n }\n if (left_mb_field_flag != curr_mb_field_flag) {\n left_xy[1] = left_xy[0] = pair_xy - 1;\n if (curr_mb_field_flag) {\n left_xy[1] += s->mb_stride;\n left_block = left_block_options[3];\n } else {\n left_block= left_block_options[2 - bottom];\n }\n }\n }\n h->top_mb_xy = top_xy;\n h->left_mb_xy[0] = left_xy[0];\n h->left_mb_xy[1] = left_xy[1];\n if(for_deblock){\n topleft_type = 0;\n topright_type = 0;\n top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;\n left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;\n left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;\n if(MB_MBAFF && !IS_INTRA(mb_type)){\n int list;\n for(list=0; list<h->list_count; list++){\n if(USES_LIST(mb_type,list)){\n int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];\n *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =\n *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101;\n ref += h->b8_stride;\n *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =\n *(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101;\n }\n }\n }\n }else{\n topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;\n top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;\n topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;\n left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;\n left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;\n if(IS_INTRA(mb_type)){\n int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;\n h->topleft_samples_available=\n h->top_samples_available=\n h->left_samples_available= 0xFFFF;\n h->topright_samples_available= 0xEEEA;\n if(!(top_type & type_mask)){\n h->topleft_samples_available= 0xB3FF;\n h->top_samples_available= 0x33FF;\n h->topright_samples_available= 0x26EA;\n }\n if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[0])){\n if(IS_INTERLACED(mb_type)){\n if(!(left_type[0] & type_mask)){\n h->topleft_samples_available&= 0xDFFF;\n h->left_samples_available&= 0x5FFF;\n }\n if(!(left_type[1] & type_mask)){\n h->topleft_samples_available&= 0xFF5F;\n h->left_samples_available&= 0xFF5F;\n }\n }else{\n int left_typei = h->slice_table[left_xy[0] + s->mb_stride ] == h->slice_num\n ? s->current_picture.mb_type[left_xy[0] + s->mb_stride] : 0;\n assert(left_xy[0] == left_xy[1]);\n if(!((left_typei & type_mask) && (left_type[0] & type_mask))){\n h->topleft_samples_available&= 0xDF5F;\n h->left_samples_available&= 0x5F5F;\n }\n }\n }else{\n if(!(left_type[0] & type_mask)){\n h->topleft_samples_available&= 0xDF5F;\n h->left_samples_available&= 0x5F5F;\n }\n }\n if(!(topleft_type & type_mask))\n h->topleft_samples_available&= 0x7FFF;\n if(!(topright_type & type_mask))\n h->topright_samples_available&= 0xFBFF;\n if(IS_INTRA4x4(mb_type)){\n if(IS_INTRA4x4(top_type)){\n h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];\n h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];\n h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];\n h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];\n }else{\n int pred;\n if(!(top_type & type_mask))\n pred= -1;\n else{\n pred= 2;\n }\n h->intra4x4_pred_mode_cache[4+8*0]=\n h->intra4x4_pred_mode_cache[5+8*0]=\n h->intra4x4_pred_mode_cache[6+8*0]=\n h->intra4x4_pred_mode_cache[7+8*0]= pred;\n }\n for(i=0; i<2; i++){\n if(IS_INTRA4x4(left_type[i])){\n h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];\n h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];\n }else{\n int pred;\n if(!(left_type[i] & type_mask))\n pred= -1;\n else{\n pred= 2;\n }\n h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=\n h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;\n }\n }\n }\n }\n }\n if(top_type){\n h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];\n h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];\n h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];\n h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];\n h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];\n h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];\n h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];\n h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];\n }else{\n h->non_zero_count_cache[4+8*0]=\n h->non_zero_count_cache[5+8*0]=\n h->non_zero_count_cache[6+8*0]=\n h->non_zero_count_cache[7+8*0]=\n h->non_zero_count_cache[1+8*0]=\n h->non_zero_count_cache[2+8*0]=\n h->non_zero_count_cache[1+8*3]=\n h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;\n }\n for (i=0; i<2; i++) {\n if(left_type[i]){\n h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];\n h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];\n h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];\n h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];\n }else{\n h->non_zero_count_cache[3+8*1 + 2*8*i]=\n h->non_zero_count_cache[3+8*2 + 2*8*i]=\n h->non_zero_count_cache[0+8*1 + 8*i]=\n h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;\n }\n }\n if( h->pps.cabac ) {\n if(top_type) {\n h->top_cbp = h->cbp_table[top_xy];\n } else if(IS_INTRA(mb_type)) {\n h->top_cbp = 0x1C0;\n } else {\n h->top_cbp = 0;\n }\n if (left_type[0]) {\n h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;\n } else if(IS_INTRA(mb_type)) {\n h->left_cbp = 0x1C0;\n } else {\n h->left_cbp = 0;\n }\n if (left_type[0]) {\n h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;\n }\n if (left_type[1]) {\n h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;\n }\n }\n#if 1\n if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){\n int list;\n for(list=0; list<h->list_count; list++){\n if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){\n continue;\n }\n h->mv_cache_clean[list]= 0;\n if(USES_LIST(top_type, list)){\n const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;\n const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;\n *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];\n *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];\n *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];\n *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];\n h->ref_cache[list][scan8[0] + 0 - 1*8]=\n h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];\n h->ref_cache[list][scan8[0] + 2 - 1*8]=\n h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];\n }else{\n *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=\n *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=\n *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=\n *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;\n *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;\n }\n for(i=0; i<2; i++){\n int cache_idx = scan8[0] - 1 + i*2*8;\n if(USES_LIST(left_type[i], list)){\n const int b_xy= h->mb2b_xy[left_xy[i]] + 3;\n const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;\n *(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];\n *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];\n h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];\n h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];\n }else{\n *(uint32_t*)h->mv_cache [list][cache_idx ]=\n *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;\n h->ref_cache[list][cache_idx ]=\n h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n }\n if(for_deblock || ((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF))\n continue;\n if(USES_LIST(topleft_type, list)){\n const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride);\n const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (topleft_partition & h->b8_stride);\n *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];\n h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];\n }else{\n *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;\n h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n if(USES_LIST(topright_type, list)){\n const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;\n const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;\n *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];\n h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];\n }else{\n *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;\n h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)\n continue;\n h->ref_cache[list][scan8[5 ]+1] =\n h->ref_cache[list][scan8[7 ]+1] =\n h->ref_cache[list][scan8[13]+1] =\n h->ref_cache[list][scan8[4 ]] =\n h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;\n *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[13]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[4 ]]=\n *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;\n if( h->pps.cabac ) {\n if(USES_LIST(top_type, list)){\n const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;\n }\n if(USES_LIST(left_type[0], list)){\n const int b_xy= h->mb2b_xy[left_xy[0]] + 3;\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;\n }\n if(USES_LIST(left_type[1], list)){\n const int b_xy= h->mb2b_xy[left_xy[1]] + 3;\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;\n }\n *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[13]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=\n *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;\n if(h->slice_type_nos == FF_B_TYPE){\n fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);\n if(IS_DIRECT(top_type)){\n *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;\n }else if(IS_8X8(top_type)){\n int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;\n h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];\n h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];\n }else{\n *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;\n }\n if(IS_DIRECT(left_type[0]))\n h->direct_cache[scan8[0] - 1 + 0*8]= 1;\n else if(IS_8X8(left_type[0]))\n h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];\n else\n h->direct_cache[scan8[0] - 1 + 0*8]= 0;\n if(IS_DIRECT(left_type[1]))\n h->direct_cache[scan8[0] - 1 + 2*8]= 1;\n else if(IS_8X8(left_type[1]))\n h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];\n else\n h->direct_cache[scan8[0] - 1 + 2*8]= 0;\n }\n }\n if(FRAME_MBAFF){\n#define MAP_MVS\\\n MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\\\n MAP_F2F(scan8[0] + 0 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 1 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 2 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 3 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\\\n MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\\\n MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\\\n MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\\\n MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])\n if(MB_FIELD){\n#define MAP_F2F(idx, mb_type)\\\n if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\\\n h->ref_cache[list][idx] <<= 1;\\\n h->mv_cache[list][idx][1] /= 2;\\\n h->mvd_cache[list][idx][1] /= 2;\\\n }\n MAP_MVS\n#undef MAP_F2F\n }else{\n#define MAP_F2F(idx, mb_type)\\\n if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\\\n h->ref_cache[list][idx] >>= 1;\\\n h->mv_cache[list][idx][1] <<= 1;\\\n h->mvd_cache[list][idx][1] <<= 1;\\\n }\n MAP_MVS\n#undef MAP_F2F\n }\n }\n }\n }\n#endif\n h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);\n}', 'static void decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {\n#if CONFIG_SMALL\n decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, cat == 0 || cat == 3);\n#else\n if( cat == 0 || cat == 3 ) decode_cabac_residual_dc(h, block, cat, n, scantable, qmul, max_coeff);\n else decode_cabac_residual_nondc(h, block, cat, n, scantable, qmul, max_coeff);\n#endif\n}', 'static void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {\n decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 1);\n}', 'static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff, int is_dc ) {\n static const int significant_coeff_flag_offset[2][6] = {\n { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },\n { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }\n };\n static const int last_coeff_flag_offset[2][6] = {\n { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },\n { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }\n };\n static const int coeff_abs_level_m1_offset[6] = {\n 227+0, 227+10, 227+20, 227+30, 227+39, 426\n };\n static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {\n { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,\n 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,\n 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,\n 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },\n { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,\n 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,\n 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,\n 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }\n };\n static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };\n static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 };\n static const uint8_t coeff_abs_level_transition[2][8] = {\n { 1, 2, 3, 3, 4, 5, 6, 7 },\n { 4, 4, 4, 4, 5, 6, 7, 7 }\n };\n int index[64];\n int av_unused last;\n int coeff_count = 0;\n int node_ctx = 0;\n uint8_t *significant_coeff_ctx_base;\n uint8_t *last_coeff_ctx_base;\n uint8_t *abs_level_m1_ctx_base;\n#if !ARCH_X86\n#define CABAC_ON_STACK\n#endif\n#ifdef CABAC_ON_STACK\n#define CC &cc\n CABACContext cc;\n cc.range = h->cabac.range;\n cc.low = h->cabac.low;\n cc.bytestream= h->cabac.bytestream;\n#else\n#define CC &h->cabac\n#endif\n if( is_dc || cat != 5 ) {\n if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n, is_dc ) ] ) == 0 ) {\n if( !is_dc )\n h->non_zero_count_cache[scan8[n]] = 0;\n#ifdef CABAC_ON_STACK\n h->cabac.range = cc.range ;\n h->cabac.low = cc.low ;\n h->cabac.bytestream= cc.bytestream;\n#endif\n return;\n }\n }\n significant_coeff_ctx_base = h->cabac_state\n + significant_coeff_flag_offset[MB_FIELD][cat];\n last_coeff_ctx_base = h->cabac_state\n + last_coeff_flag_offset[MB_FIELD][cat];\n abs_level_m1_ctx_base = h->cabac_state\n + coeff_abs_level_m1_offset[cat];\n if( !is_dc && cat == 5 ) {\n#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \\\n for(last= 0; last < coefs; last++) { \\\n uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \\\n if( get_cabac( CC, sig_ctx )) { \\\n uint8_t *last_ctx = last_coeff_ctx_base + last_off; \\\n index[coeff_count++] = last; \\\n if( get_cabac( CC, last_ctx ) ) { \\\n last= max_coeff; \\\n break; \\\n } \\\n } \\\n }\\\n if( last == max_coeff -1 ) {\\\n index[coeff_count++] = last;\\\n }\n const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];\n#if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS)\n coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);\n } else {\n coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);\n#else\n DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );\n } else {\n DECODE_SIGNIFICANCE( max_coeff - 1, last, last );\n#endif\n }\n assert(coeff_count > 0);\n if( is_dc ) {\n if( cat == 0 )\n h->cbp_table[h->mb_xy] |= 0x100;\n else\n h->cbp_table[h->mb_xy] |= 0x40 << n;\n } else {\n if( cat == 5 )\n fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);\n else {\n assert( cat == 1 || cat == 2 || cat == 4 );\n h->non_zero_count_cache[scan8[n]] = coeff_count;\n }\n }\n do {\n uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base;\n int j= scantable[index[--coeff_count]];\n if( get_cabac( CC, ctx ) == 0 ) {\n node_ctx = coeff_abs_level_transition[0][node_ctx];\n if( is_dc ) {\n block[j] = get_cabac_bypass_sign( CC, -1);\n }else{\n block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;\n }\n } else {\n int coeff_abs = 2;\n ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base;\n node_ctx = coeff_abs_level_transition[1][node_ctx];\n while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {\n coeff_abs++;\n }\n if( coeff_abs >= 15 ) {\n int j = 0;\n while( get_cabac_bypass( CC ) ) {\n j++;\n }\n coeff_abs=1;\n while( j-- ) {\n coeff_abs += coeff_abs + get_cabac_bypass( CC );\n }\n coeff_abs+= 14;\n }\n if( is_dc ) {\n block[j] = get_cabac_bypass_sign( CC, -coeff_abs );\n }else{\n block[j] = (get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32) >> 6;\n }\n }\n } while( coeff_count );\n#ifdef CABAC_ON_STACK\n h->cabac.range = cc.range ;\n h->cabac.low = cc.low ;\n h->cabac.bytestream= cc.bytestream;\n#endif\n}'] |
8,147 | 0 | https://github.com/openssl/openssl/blob/2805ee1e095a78f596dc7adf778441e2edb9f15c/test/handshake_helper.c/#L196 | static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)
{
const char *servername;
const unsigned char *p;
size_t len, remaining;
HANDSHAKE_EX_DATA *ex_data =
(HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,
&remaining) ||
remaining <= 2)
return 0;
len = (*(p++) << 8);
len += *(p++);
if (len + 2 != remaining)
return 0;
remaining = len;
if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
return 0;
remaining--;
if (remaining <= 2)
return 0;
len = (*(p++) << 8);
len += *(p++);
if (len + 2 > remaining)
return 0;
remaining = len;
servername = (const char *)p;
if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
SSL_CTX *new_ctx = arg;
SSL_set_SSL_CTX(s, new_ctx);
SSL_clear_options(s, 0xFFFFFFFFL);
SSL_set_options(s, SSL_CTX_get_options(new_ctx));
ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
return 1;
} else if (len == strlen("server1") &&
strncmp(servername, "server1", len) == 0) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return 1;
} else if (ignore) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return 1;
}
return 0;
} | ['static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)\n{\n const char *servername;\n const unsigned char *p;\n size_t len, remaining;\n HANDSHAKE_EX_DATA *ex_data =\n (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));\n if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,\n &remaining) ||\n remaining <= 2)\n return 0;\n len = (*(p++) << 8);\n len += *(p++);\n if (len + 2 != remaining)\n return 0;\n remaining = len;\n if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)\n return 0;\n remaining--;\n if (remaining <= 2)\n return 0;\n len = (*(p++) << 8);\n len += *(p++);\n if (len + 2 > remaining)\n return 0;\n remaining = len;\n servername = (const char *)p;\n if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {\n SSL_CTX *new_ctx = arg;\n SSL_set_SSL_CTX(s, new_ctx);\n SSL_clear_options(s, 0xFFFFFFFFL);\n SSL_set_options(s, SSL_CTX_get_options(new_ctx));\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;\n return 1;\n } else if (len == strlen("server1") &&\n strncmp(servername, "server1", len) == 0) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return 1;\n } else if (ignore) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return 1;\n }\n return 0;\n}', 'void *SSL_get_ex_data(const SSL *s, int idx)\n{\n return CRYPTO_get_ex_data(&s->ex_data, idx);\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n return NULL;\n return sk_void_value(ad->sk, idx);\n}', 'SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)\n{\n CERT *new_cert;\n if (ssl->ctx == ctx)\n return ssl->ctx;\n if (ctx == NULL)\n ctx = ssl->session_ctx;\n new_cert = ssl_cert_dup(ctx->cert);\n if (new_cert == NULL) {\n return NULL;\n }\n if (!custom_exts_copy_flags(&new_cert->custext, &ssl->cert->custext)) {\n ssl_cert_free(new_cert);\n return NULL;\n }\n ssl_cert_free(ssl->cert);\n ssl->cert = new_cert;\n if (!ossl_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)))\n return NULL;\n if ((ssl->ctx != NULL) &&\n (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&\n (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {\n ssl->sid_ctx_length = ctx->sid_ctx_length;\n memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));\n }\n SSL_CTX_up_ref(ctx);\n SSL_CTX_free(ssl->ctx);\n ssl->ctx = ctx;\n return ssl->ctx;\n}', 'void ssl_cert_free(CERT *c)\n{\n int i;\n if (c == NULL)\n return;\n CRYPTO_DOWN_REF(&c->references, &i, c->lock);\n REF_PRINT_COUNT("CERT", c);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n#ifndef OPENSSL_NO_DH\n EVP_PKEY_free(c->dh_tmp);\n#endif\n ssl_cert_clear_certs(c);\n OPENSSL_free(c->conf_sigalgs);\n OPENSSL_free(c->client_sigalgs);\n OPENSSL_free(c->shared_sigalgs);\n OPENSSL_free(c->ctype);\n X509_STORE_free(c->verify_store);\n X509_STORE_free(c->chain_store);\n custom_exts_free(&c->custext);\n#ifndef OPENSSL_NO_PSK\n OPENSSL_free(c->psk_identity_hint);\n#endif\n CRYPTO_THREAD_lock_free(c->lock);\n OPENSSL_free(c);\n}', 'int SSL_CTX_up_ref(SSL_CTX *ctx)\n{\n int i;\n if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0)\n return 0;\n REF_PRINT_COUNT("SSL_CTX", ctx);\n REF_ASSERT_ISNT(i < 2);\n return ((i > 1) ? 1 : 0);\n}', 'static inline int CRYPTO_UP_REF(_Atomic int *val, int *ret, void *lock)\n{\n *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;\n return 1;\n}', 'unsigned long SSL_clear_options(SSL *s, unsigned long op)\n{\n return s->options &= ~op;\n}', 'unsigned long SSL_CTX_get_options(const SSL_CTX *ctx)\n{\n return ctx->options;\n}', 'unsigned long SSL_set_options(SSL *s, unsigned long op)\n{\n return s->options |= op;\n}'] |
8,148 | 0 | https://github.com/openssl/openssl/blob/5850cc75ea0c1581a9034390f1ca77cadc596238/crypto/bn/bn_ctx.c/#L328 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int dsa_paramgen_check_g(DSA *dsa)\n{\n BN_CTX *ctx;\n BIGNUM *tmp;\n BN_MONT_CTX *mont = NULL;\n int rv = -1;\n ctx = BN_CTX_new();\n if (!ctx)\n return -1;\n BN_CTX_start(ctx);\n if (BN_cmp(dsa->g, BN_value_one()) <= 0)\n return 0;\n if (BN_cmp(dsa->g, dsa->p) >= 0)\n return 0;\n tmp = BN_CTX_get(ctx);\n if (!tmp)\n goto err;\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, dsa->p, ctx))\n goto err;\n if (!BN_mod_exp_mont(tmp, dsa->g, dsa->q, dsa->p, ctx, mont))\n goto err;\n if (!BN_cmp(tmp, BN_value_one()))\n rv = 1;\n else\n rv = 0;\n err:\n BN_CTX_end(ctx);\n BN_MONT_CTX_free(mont);\n BN_CTX_free(ctx);\n return rv;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n BN_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (pnoinv)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048))) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM local_A, local_B;\n BIGNUM *pA, *pB;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n pB = &local_B;\n local_B.flags = 0;\n BN_with_flags(pB, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, pB, A, ctx))\n goto err;\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n pA = &local_A;\n local_A.flags = 0;\n BN_with_flags(pA, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, pA, B, ctx))\n goto err;\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
8,149 | 0 | https://github.com/libav/libav/blob/6cecd63005b29a1dc3a5104e6ac85fd112705122/libavcodec/interplayvideo.c/#L507 | static int ipvideo_decode_block_opcode_0xD(IpvideoContext *s)
{
int y;
unsigned char P[2];
CHECK_STREAM_PTR(4);
for (y = 0; y < 8; y++) {
if (!(y & 3)) {
P[0] = *s->stream_ptr++;
P[1] = *s->stream_ptr++;
}
memset(s->pixel_ptr, P[0], 4);
memset(s->pixel_ptr + 4, P[1], 4);
s->pixel_ptr += s->stride;
}
return 0;
} | ['static int ipvideo_decode_block_opcode_0xD(IpvideoContext *s)\n{\n int y;\n unsigned char P[2];\n CHECK_STREAM_PTR(4);\n for (y = 0; y < 8; y++) {\n if (!(y & 3)) {\n P[0] = *s->stream_ptr++;\n P[1] = *s->stream_ptr++;\n }\n memset(s->pixel_ptr, P[0], 4);\n memset(s->pixel_ptr + 4, P[1], 4);\n s->pixel_ptr += s->stride;\n }\n return 0;\n}'] |
8,150 | 0 | https://github.com/openssl/openssl/blob/edbcba6c6bd4587e96fb4e4d07a6c24920897579/apps/x509.c/#L907 | static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
int days, int clrext, LHASH *conf, char *section)
{
int ret=0;
BIO *io=NULL;
MS_STATIC char buf2[1024];
char *buf=NULL,*p;
BIGNUM *serial=NULL;
ASN1_INTEGER *bs=NULL,bs2;
X509_STORE_CTX xsc;
EVP_PKEY *upkey;
upkey = X509_get_pubkey(xca);
EVP_PKEY_copy_parameters(upkey,pkey);
EVP_PKEY_free(upkey);
X509_STORE_CTX_init(&xsc,ctx,x,NULL);
buf=Malloc(EVP_PKEY_size(pkey)*2+
((serialfile == NULL)
?(strlen(CAfile)+strlen(POSTFIX)+1)
:(strlen(serialfile)))+1);
if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
if (serialfile == NULL)
{
strcpy(buf,CAfile);
for (p=buf; *p; p++)
if (*p == '.')
{
*p='\0';
break;
}
strcat(buf,POSTFIX);
}
else
strcpy(buf,serialfile);
serial=BN_new();
bs=ASN1_INTEGER_new();
if ((serial == NULL) || (bs == NULL))
{
ERR_print_errors(bio_err);
goto end;
}
io=BIO_new(BIO_s_file());
if (io == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if (BIO_read_filename(io,buf) <= 0)
{
if (!create)
{
perror(buf);
goto end;
}
else
{
ASN1_INTEGER_set(bs,1);
BN_one(serial);
}
}
else
{
if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
{
BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
ERR_print_errors(bio_err);
goto end;
}
else
{
serial=BN_bin2bn(bs->data,bs->length,serial);
if (serial == NULL)
{
BIO_printf(bio_err,"error converting bin 2 bn");
goto end;
}
}
}
if (!BN_add_word(serial,1))
{ BIO_printf(bio_err,"add_word failure\n"); goto end; }
bs2.data=(unsigned char *)buf2;
bs2.length=BN_bn2bin(serial,bs2.data);
if (BIO_write_filename(io,buf) <= 0)
{
BIO_printf(bio_err,"error attempting to write serial number file\n");
perror(buf);
goto end;
}
i2a_ASN1_INTEGER(io,&bs2);
BIO_puts(io,"\n");
BIO_free(io);
io=NULL;
if (!X509_STORE_add_cert(ctx,x)) goto end;
X509_STORE_CTX_set_cert(&xsc,x);
if (!reqfile && !X509_verify_cert(&xsc))
goto end;
if (!X509_check_private_key(xca,pkey))
{
BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
goto end;
}
if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
if (!X509_set_serialNumber(x,bs)) goto end;
if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
goto end;
if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
goto end;
if(clrext) {
while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
}
if(conf) {
X509V3_CTX ctx2;
X509_set_version(x,2);
X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
X509V3_set_conf_lhash(&ctx2, conf);
if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
}
if (!X509_sign(x,pkey,digest)) goto end;
ret=1;
end:
X509_STORE_CTX_cleanup(&xsc);
if (!ret)
ERR_print_errors(bio_err);
if (buf != NULL) Free(buf);
if (bs != NULL) ASN1_INTEGER_free(bs);
if (io != NULL) BIO_free(io);
if (serial != NULL) BN_free(serial);
return(ret);
} | ['static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,\n\t X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,\n\t int days, int clrext, LHASH *conf, char *section)\n\t{\n\tint ret=0;\n\tBIO *io=NULL;\n\tMS_STATIC char buf2[1024];\n\tchar *buf=NULL,*p;\n\tBIGNUM *serial=NULL;\n\tASN1_INTEGER *bs=NULL,bs2;\n\tX509_STORE_CTX xsc;\n\tEVP_PKEY *upkey;\n\tupkey = X509_get_pubkey(xca);\n\tEVP_PKEY_copy_parameters(upkey,pkey);\n\tEVP_PKEY_free(upkey);\n\tX509_STORE_CTX_init(&xsc,ctx,x,NULL);\n\tbuf=Malloc(EVP_PKEY_size(pkey)*2+\n\t\t((serialfile == NULL)\n\t\t\t?(strlen(CAfile)+strlen(POSTFIX)+1)\n\t\t\t:(strlen(serialfile)))+1);\n\tif (buf == NULL) { BIO_printf(bio_err,"out of mem\\n"); goto end; }\n\tif (serialfile == NULL)\n\t\t{\n\t\tstrcpy(buf,CAfile);\n\t\tfor (p=buf; *p; p++)\n\t\t\tif (*p == \'.\')\n\t\t\t\t{\n\t\t\t\t*p=\'\\0\';\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\tstrcat(buf,POSTFIX);\n\t\t}\n\telse\n\t\tstrcpy(buf,serialfile);\n\tserial=BN_new();\n\tbs=ASN1_INTEGER_new();\n\tif ((serial == NULL) || (bs == NULL))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tio=BIO_new(BIO_s_file());\n\tif (io == NULL)\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (BIO_read_filename(io,buf) <= 0)\n\t\t{\n\t\tif (!create)\n\t\t\t{\n\t\t\tperror(buf);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tASN1_INTEGER_set(bs,1);\n\t\t\tBN_one(serial);\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tif (!a2i_ASN1_INTEGER(io,bs,buf2,1024))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unable to load serial number from %s\\n",buf);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tserial=BN_bin2bn(bs->data,bs->length,serial);\n\t\t\tif (serial == NULL)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"error converting bin 2 bn");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (!BN_add_word(serial,1))\n\t\t{ BIO_printf(bio_err,"add_word failure\\n"); goto end; }\n\tbs2.data=(unsigned char *)buf2;\n\tbs2.length=BN_bn2bin(serial,bs2.data);\n\tif (BIO_write_filename(io,buf) <= 0)\n\t\t{\n\t\tBIO_printf(bio_err,"error attempting to write serial number file\\n");\n\t\tperror(buf);\n\t\tgoto end;\n\t\t}\n\ti2a_ASN1_INTEGER(io,&bs2);\n\tBIO_puts(io,"\\n");\n\tBIO_free(io);\n\tio=NULL;\n\tif (!X509_STORE_add_cert(ctx,x)) goto end;\n\tX509_STORE_CTX_set_cert(&xsc,x);\n\tif (!reqfile && !X509_verify_cert(&xsc))\n\t\tgoto end;\n\tif (!X509_check_private_key(xca,pkey))\n\t\t{\n\t\tBIO_printf(bio_err,"CA certificate and CA private key do not match\\n");\n\t\tgoto end;\n\t\t}\n\tif (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;\n\tif (!X509_set_serialNumber(x,bs)) goto end;\n\tif (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)\n\t\tgoto end;\n\tif (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)\n\t\tgoto end;\n\tif(clrext) {\n\t\twhile(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);\n\t}\n\tif(conf) {\n\t\tX509V3_CTX ctx2;\n\t\tX509_set_version(x,2);\n X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);\n X509V3_set_conf_lhash(&ctx2, conf);\n if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;\n\t}\n\tif (!X509_sign(x,pkey,digest)) goto end;\n\tret=1;\nend:\n\tX509_STORE_CTX_cleanup(&xsc);\n\tif (!ret)\n\t\tERR_print_errors(bio_err);\n\tif (buf != NULL) Free(buf);\n\tif (bs != NULL) ASN1_INTEGER_free(bs);\n\tif (io != NULL)\tBIO_free(io);\n\tif (serial != NULL) BN_free(serial);\n\treturn(ret);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}'] |
8,151 | 0 | https://github.com/libav/libav/blob/3b2fbe67bd63b00331db2a9b213f6d420418a312/libavcodec/opus.h/#L290 | static av_always_inline unsigned int opus_rc_unimodel(OpusRangeCoder *rc, unsigned int size)
{
unsigned int bits, k, scale, total;
bits = opus_ilog(size - 1);
total = (bits > 8) ? ((size - 1) >> (bits - 8)) + 1 : size;
scale = rc->range / total;
k = rc->value / scale + 1;
k = total - FFMIN(k, total);
opus_rc_update(rc, scale, k, k + 1, total);
if (bits > 8) {
k = k << (bits - 8) | opus_getrawbits(rc, bits - 8);
return FFMIN(k, size - 1);
} else
return k;
} | ['static void celt_decode_allocation(CeltContext *s, OpusRangeCoder *rc)\n{\n int cap[CELT_MAX_BANDS];\n int boost[CELT_MAX_BANDS];\n int threshold[CELT_MAX_BANDS];\n int bits1[CELT_MAX_BANDS];\n int bits2[CELT_MAX_BANDS];\n int trim_offset[CELT_MAX_BANDS];\n int skip_startband = s->startband;\n int dynalloc = 6;\n int alloctrim = 5;\n int extrabits = 0;\n int skip_bit = 0;\n int intensitystereo_bit = 0;\n int dualstereo_bit = 0;\n int remaining, bandbits;\n int low, high, total, done;\n int totalbits;\n int consumed;\n int i, j;\n consumed = opus_rc_tell(rc);\n s->spread = CELT_SPREAD_NORMAL;\n if (consumed + 4 <= s->framebits)\n s->spread = opus_rc_getsymbol(rc, celt_model_spread);\n for (i = 0; i < CELT_MAX_BANDS; i++) {\n cap[i] = (celt_static_caps[s->duration][s->coded_channels - 1][i] + 64)\n * celt_freq_range[i] << (s->coded_channels - 1) << s->duration >> 2;\n }\n totalbits = s->framebits << 3;\n consumed = opus_rc_tell_frac(rc);\n for (i = s->startband; i < s->endband; i++) {\n int quanta, band_dynalloc;\n boost[i] = 0;\n quanta = celt_freq_range[i] << (s->coded_channels - 1) << s->duration;\n quanta = FFMIN(quanta << 3, FFMAX(6 << 3, quanta));\n band_dynalloc = dynalloc;\n while (consumed + (band_dynalloc<<3) < totalbits && boost[i] < cap[i]) {\n int add = opus_rc_p2model(rc, band_dynalloc);\n consumed = opus_rc_tell_frac(rc);\n if (!add)\n break;\n boost[i] += quanta;\n totalbits -= quanta;\n band_dynalloc = 1;\n }\n if (boost[i])\n dynalloc = FFMAX(2, dynalloc - 1);\n }\n if (consumed + (6 << 3) <= totalbits)\n alloctrim = opus_rc_getsymbol(rc, celt_model_alloc_trim);\n totalbits = (s->framebits << 3) - opus_rc_tell_frac(rc) - 1;\n s->anticollapse_bit = 0;\n if (s->blocks > 1 && s->duration >= 2 &&\n totalbits >= ((s->duration + 2) << 3))\n s->anticollapse_bit = 1 << 3;\n totalbits -= s->anticollapse_bit;\n if (totalbits >= 1 << 3)\n skip_bit = 1 << 3;\n totalbits -= skip_bit;\n if (s->coded_channels == 2) {\n intensitystereo_bit = celt_log2_frac[s->endband - s->startband];\n if (intensitystereo_bit <= totalbits) {\n totalbits -= intensitystereo_bit;\n if (totalbits >= 1 << 3) {\n dualstereo_bit = 1 << 3;\n totalbits -= 1 << 3;\n }\n } else\n intensitystereo_bit = 0;\n }\n for (i = s->startband; i < s->endband; i++) {\n int trim = alloctrim - 5 - s->duration;\n int band = celt_freq_range[i] * (s->endband - i - 1);\n int duration = s->duration + 3;\n int scale = duration + s->coded_channels - 1;\n threshold[i] = FFMAX(3 * celt_freq_range[i] << duration >> 4,\n s->coded_channels << 3);\n trim_offset[i] = trim * (band << scale) >> 6;\n if (celt_freq_range[i] << s->duration == 1)\n trim_offset[i] -= s->coded_channels << 3;\n }\n low = 1;\n high = CELT_VECTORS - 1;\n while (low <= high) {\n int center = (low + high) >> 1;\n done = total = 0;\n for (i = s->endband - 1; i >= s->startband; i--) {\n bandbits = celt_freq_range[i] * celt_static_alloc[center][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n if (bandbits)\n bandbits = FFMAX(0, bandbits + trim_offset[i]);\n bandbits += boost[i];\n if (bandbits >= threshold[i] || done) {\n done = 1;\n total += FFMIN(bandbits, cap[i]);\n } else if (bandbits >= s->coded_channels << 3)\n total += s->coded_channels << 3;\n }\n if (total > totalbits)\n high = center - 1;\n else\n low = center + 1;\n }\n high = low--;\n for (i = s->startband; i < s->endband; i++) {\n bits1[i] = celt_freq_range[i] * celt_static_alloc[low][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n bits2[i] = high >= CELT_VECTORS ? cap[i] :\n celt_freq_range[i] * celt_static_alloc[high][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n if (bits1[i])\n bits1[i] = FFMAX(0, bits1[i] + trim_offset[i]);\n if (bits2[i])\n bits2[i] = FFMAX(0, bits2[i] + trim_offset[i]);\n if (low)\n bits1[i] += boost[i];\n bits2[i] += boost[i];\n if (boost[i])\n skip_startband = i;\n bits2[i] = FFMAX(0, bits2[i] - bits1[i]);\n }\n low = 0;\n high = 1 << CELT_ALLOC_STEPS;\n for (i = 0; i < CELT_ALLOC_STEPS; i++) {\n int center = (low + high) >> 1;\n done = total = 0;\n for (j = s->endband - 1; j >= s->startband; j--) {\n bandbits = bits1[j] + (center * bits2[j] >> CELT_ALLOC_STEPS);\n if (bandbits >= threshold[j] || done) {\n done = 1;\n total += FFMIN(bandbits, cap[j]);\n } else if (bandbits >= s->coded_channels << 3)\n total += s->coded_channels << 3;\n }\n if (total > totalbits)\n high = center;\n else\n low = center;\n }\n done = total = 0;\n for (i = s->endband - 1; i >= s->startband; i--) {\n bandbits = bits1[i] + (low * bits2[i] >> CELT_ALLOC_STEPS);\n if (bandbits >= threshold[i] || done)\n done = 1;\n else\n bandbits = (bandbits >= s->coded_channels << 3) ?\n s->coded_channels << 3 : 0;\n bandbits = FFMIN(bandbits, cap[i]);\n s->pulses[i] = bandbits;\n total += bandbits;\n }\n for (s->codedbands = s->endband; ; s->codedbands--) {\n int allocation;\n j = s->codedbands - 1;\n if (j == skip_startband) {\n totalbits += skip_bit;\n break;\n }\n remaining = totalbits - total;\n bandbits = remaining / (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);\n remaining -= bandbits * (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);\n allocation = s->pulses[j] + bandbits * celt_freq_range[j]\n + FFMAX(0, remaining - (celt_freq_bands[j] - celt_freq_bands[s->startband]));\n if (allocation >= FFMAX(threshold[j], (s->coded_channels + 1) <<3 )) {\n if (opus_rc_p2model(rc, 1))\n break;\n total += 1 << 3;\n allocation -= 1 << 3;\n }\n total -= s->pulses[j];\n if (intensitystereo_bit) {\n total -= intensitystereo_bit;\n intensitystereo_bit = celt_log2_frac[j - s->startband];\n total += intensitystereo_bit;\n }\n total += s->pulses[j] = (allocation >= s->coded_channels << 3) ?\n s->coded_channels << 3 : 0;\n }\n s->intensitystereo = 0;\n s->dualstereo = 0;\n if (intensitystereo_bit)\n s->intensitystereo = s->startband +\n opus_rc_unimodel(rc, s->codedbands + 1 - s->startband);\n if (s->intensitystereo <= s->startband)\n totalbits += dualstereo_bit;\n else if (dualstereo_bit)\n s->dualstereo = opus_rc_p2model(rc, 1);\n remaining = totalbits - total;\n bandbits = remaining / (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);\n remaining -= bandbits * (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);\n for (i = s->startband; i < s->codedbands; i++) {\n int bits = FFMIN(remaining, celt_freq_range[i]);\n s->pulses[i] += bits + bandbits * celt_freq_range[i];\n remaining -= bits;\n }\n for (i = s->startband; i < s->codedbands; i++) {\n int N = celt_freq_range[i] << s->duration;\n int prev_extra = extrabits;\n s->pulses[i] += extrabits;\n if (N > 1) {\n int dof;\n int temp;\n int offset;\n int fine_bits, max_bits;\n extrabits = FFMAX(0, s->pulses[i] - cap[i]);\n s->pulses[i] -= extrabits;\n dof = N * s->coded_channels\n + (s->coded_channels == 2 && N > 2 && !s->dualstereo && i < s->intensitystereo);\n temp = dof * (celt_log_freq_range[i] + (s->duration<<3));\n offset = (temp >> 1) - dof * CELT_FINE_OFFSET;\n if (N == 2)\n offset += dof<<1;\n if (s->pulses[i] + offset < 2 * (dof << 3))\n offset += temp >> 2;\n else if (s->pulses[i] + offset < 3 * (dof << 3))\n offset += temp >> 3;\n fine_bits = (s->pulses[i] + offset + (dof << 2)) / (dof << 3);\n max_bits = FFMIN((s->pulses[i]>>3) >> (s->coded_channels - 1),\n CELT_MAX_FINE_BITS);\n max_bits = FFMAX(max_bits, 0);\n s->fine_bits[i] = av_clip(fine_bits, 0, max_bits);\n s->fine_priority[i] = (s->fine_bits[i] * (dof<<3) >= s->pulses[i] + offset);\n s->pulses[i] -= s->fine_bits[i] << (s->coded_channels - 1) << 3;\n } else {\n extrabits = FFMAX(0, s->pulses[i] - (s->coded_channels << 3));\n s->pulses[i] -= extrabits;\n s->fine_bits[i] = 0;\n s->fine_priority[i] = 1;\n }\n if (extrabits > 0) {\n int fineextra = FFMIN(extrabits >> (s->coded_channels + 2),\n CELT_MAX_FINE_BITS - s->fine_bits[i]);\n s->fine_bits[i] += fineextra;\n fineextra <<= s->coded_channels + 2;\n s->fine_priority[i] = (fineextra >= extrabits - prev_extra);\n extrabits -= fineextra;\n }\n }\n s->remaining = extrabits;\n for (; i < s->endband; i++) {\n s->fine_bits[i] = s->pulses[i] >> (s->coded_channels - 1) >> 3;\n s->pulses[i] = 0;\n s->fine_priority[i] = s->fine_bits[i] < 1;\n }\n}', 'static av_always_inline unsigned int opus_rc_unimodel(OpusRangeCoder *rc, unsigned int size)\n{\n unsigned int bits, k, scale, total;\n bits = opus_ilog(size - 1);\n total = (bits > 8) ? ((size - 1) >> (bits - 8)) + 1 : size;\n scale = rc->range / total;\n k = rc->value / scale + 1;\n k = total - FFMIN(k, total);\n opus_rc_update(rc, scale, k, k + 1, total);\n if (bits > 8) {\n k = k << (bits - 8) | opus_getrawbits(rc, bits - 8);\n return FFMIN(k, size - 1);\n } else\n return k;\n}'] |
8,152 | 0 | https://github.com/openssl/openssl/blob/b1860d6c71733314417d053a72af66ae72e8268e/crypto/bn/bn_ctx.c/#L276 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int rsa_ossl_private_encrypt(int flen, const unsigned char *from,\n unsigned char *to, RSA *rsa, int padding)\n{\n BIGNUM *f, *ret, *res;\n int i, j, k, num = 0, r = -1;\n unsigned char *buf = NULL;\n BN_CTX *ctx = NULL;\n int local_blinding = 0;\n BIGNUM *unblind = NULL;\n BN_BLINDING *blinding = NULL;\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n f = BN_CTX_get(ctx);\n ret = BN_CTX_get(ctx);\n num = BN_num_bytes(rsa->n);\n buf = OPENSSL_malloc(num);\n if (ret == NULL || buf == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n switch (padding) {\n case RSA_PKCS1_PADDING:\n i = RSA_padding_add_PKCS1_type_1(buf, num, from, flen);\n break;\n case RSA_X931_PADDING:\n i = RSA_padding_add_X931(buf, num, from, flen);\n break;\n case RSA_NO_PADDING:\n i = RSA_padding_add_none(buf, num, from, flen);\n break;\n case RSA_SSLV23_PADDING:\n default:\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);\n goto err;\n }\n if (i <= 0)\n goto err;\n if (BN_bin2bn(buf, num, f) == NULL)\n goto err;\n if (BN_ucmp(f, rsa->n) >= 0) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT,\n RSA_R_DATA_TOO_LARGE_FOR_MODULUS);\n goto err;\n }\n if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {\n blinding = rsa_get_blinding(rsa, &local_blinding, ctx);\n if (blinding == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n }\n if (blinding != NULL) {\n if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!rsa_blinding_convert(blinding, f, unblind, ctx))\n goto err;\n }\n if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||\n (rsa->version == RSA_ASN1_VERSION_MULTI) ||\n ((rsa->p != NULL) &&\n (rsa->q != NULL) &&\n (rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {\n if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))\n goto err;\n } else {\n BIGNUM *d = BN_new();\n if (d == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked\n (&rsa->_method_mod_n, rsa->lock, rsa->n, ctx)) {\n BN_free(d);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(d);\n goto err;\n }\n BN_free(d);\n }\n if (blinding)\n if (!rsa_blinding_invert(blinding, ret, unblind, ctx))\n goto err;\n if (padding == RSA_X931_PADDING) {\n BN_sub(f, rsa->n, ret);\n if (BN_cmp(ret, f) > 0)\n res = f;\n else\n res = ret;\n } else {\n res = ret;\n }\n j = BN_num_bytes(res);\n i = BN_bn2bin(res, &(to[num - j]));\n for (k = 0; k < (num - i); k++)\n to[k] = 0;\n r = num;\n err:\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n OPENSSL_clear_free(buf, num);\n return r;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, CRYPTO_RWLOCK *lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_THREAD_read_lock(lock);\n ret = *pmont;\n CRYPTO_THREAD_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (ret == NULL)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_THREAD_write_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_THREAD_unlock(lock);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (BN_abs_is_word(n, 1) || BN_is_zero(n)) {\n if (pnoinv != NULL)\n *pnoinv = 1;\n return NULL;\n }\n if (pnoinv != NULL)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
8,153 | 0 | https://github.com/openssl/openssl/blob/4b8515baa6edef1a771f9e4e3fbc0395b4a629e8/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int ec_GFp_mont_group_set_curve(EC_GROUP *group, const BIGNUM *p,\n const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BN_MONT_CTX *mont = NULL;\n BIGNUM *one = NULL;\n int ret = 0;\n BN_MONT_CTX_free(group->field_data1);\n group->field_data1 = NULL;\n BN_free(group->field_data2);\n group->field_data2 = NULL;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n mont = BN_MONT_CTX_new();\n if (mont == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, p, ctx)) {\n ECerr(EC_F_EC_GFP_MONT_GROUP_SET_CURVE, ERR_R_BN_LIB);\n goto err;\n }\n one = BN_new();\n if (one == NULL)\n goto err;\n if (!BN_to_montgomery(one, BN_value_one(), mont, ctx))\n goto err;\n group->field_data1 = mont;\n mont = NULL;\n group->field_data2 = one;\n one = NULL;\n ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx);\n if (!ret) {\n BN_MONT_CTX_free(group->field_data1);\n group->field_data1 = NULL;\n BN_free(group->field_data2);\n group->field_data2 = NULL;\n }\n err:\n BN_free(one);\n BN_CTX_free(new_ctx);\n BN_MONT_CTX_free(mont);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (pnoinv)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
8,154 | 0 | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/apps/engine.c/#L105 | static int append_buf(char **buf, const char *s, int *size, int step)
{
if (*buf == NULL) {
*size = step;
*buf = app_malloc(*size, "engine buffer");
**buf = '\0';
}
if (strlen(*buf) + strlen(s) >= (unsigned int)*size) {
*size += step;
*buf = OPENSSL_realloc(*buf, *size);
}
if (*buf == NULL)
return 0;
if (**buf != '\0')
OPENSSL_strlcat(*buf, ", ", *size);
OPENSSL_strlcat(*buf, s, *size);
return 1;
} | ['static int append_buf(char **buf, const char *s, int *size, int step)\n{\n if (*buf == NULL) {\n *size = step;\n *buf = app_malloc(*size, "engine buffer");\n **buf = \'\\0\';\n }\n if (strlen(*buf) + strlen(s) >= (unsigned int)*size) {\n *size += step;\n *buf = OPENSSL_realloc(*buf, *size);\n }\n if (*buf == NULL)\n return 0;\n if (**buf != \'\\0\')\n OPENSSL_strlcat(*buf, ", ", *size);\n OPENSSL_strlcat(*buf, s, *size);\n return 1;\n}', 'void* app_malloc(int sz, const char *what)\n{\n void *vp = OPENSSL_malloc(sz);\n if (vp == NULL) {\n BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\\n",\n opt_getprog(), sz, what);\n ERR_print_errors(bio_err);\n exit(1);\n }\n return vp;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return CRYPTO_malloc(num, file, line);\n if (num == 0) {\n CRYPTO_free(str);\n return NULL;\n }\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n void *ret;\n CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n ret = realloc(str, num);\n CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n return ret;\n }\n#else\n (void)file;\n (void)line;\n#endif\n return realloc(str, num);\n}'] |
8,155 | 0 | https://github.com/openssl/openssl/blob/a8140a42f5ee9e4e1423b5b6b319dc4657659f6f/crypto/bn/bn_lib.c/#L232 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static int test_gf2m_add(void)\n{\n BIGNUM *a = NULL, *b = NULL, *c = NULL;\n int i, st = 0;\n if (!TEST_ptr(a = BN_new())\n || !TEST_ptr(b = BN_new())\n || !TEST_ptr(c = BN_new()))\n goto err;\n for (i = 0; i < NUM0; i++) {\n if (!(TEST_true(BN_rand(a, 512, 0, 0))\n && TEST_ptr(BN_copy(b, BN_value_one()))))\n goto err;\n BN_set_negative(a, rand_neg());\n BN_set_negative(b, rand_neg());\n if (!(TEST_true(BN_GF2m_add(c, a, b))\n && TEST_false((BN_is_odd(a) && BN_is_odd(c))\n || (!BN_is_odd(a) && !BN_is_odd(c)))))\n goto err;\n if (!(TEST_true(BN_GF2m_add(c, c, c))\n && TEST_BN_eq_zero(c)))\n goto err;\n }\n st = 1;\n err:\n BN_free(a);\n BN_free(b);\n BN_free(c);\n return st;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->neg = b->neg;\n a->top = b->top;\n a->flags |= b->flags & BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return a;\n}', 'int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)\n{\n return bnrand(NORMAL, rnd, bits, top, bottom);\n}', 'static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom)\n{\n unsigned char *buf = NULL;\n int b, ret = 0, bit, bytes, mask;\n if (bits == 0) {\n if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)\n goto toosmall;\n BN_zero(rnd);\n return 1;\n }\n if (bits < 0 || (bits == 1 && top > 0))\n goto toosmall;\n bytes = (bits + 7) / 8;\n bit = (bits - 1) % 8;\n mask = 0xff << (bit + 1);\n buf = OPENSSL_malloc(bytes);\n if (buf == NULL) {\n BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n#if defined(FIPS_MODE)\n BNerr(BN_F_BNRAND, ERR_R_INTERNAL_ERROR);\n goto err;\n#else\n b = flag == NORMAL ? RAND_bytes(buf, bytes) : RAND_priv_bytes(buf, bytes);\n#endif\n if (b <= 0)\n goto err;\n if (flag == TESTING) {\n int i;\n unsigned char c;\n for (i = 0; i < bytes; i++) {\n#if !defined(FIPS_MODE)\n if (RAND_bytes(&c, 1) <= 0)\n goto err;\n#endif\n if (c >= 128 && i > 0)\n buf[i] = buf[i - 1];\n else if (c < 42)\n buf[i] = 0;\n else if (c < 84)\n buf[i] = 255;\n }\n }\n if (top >= 0) {\n if (top) {\n if (bit == 0) {\n buf[0] = 1;\n buf[1] |= 0x80;\n } else {\n buf[0] |= (3 << (bit - 1));\n }\n } else {\n buf[0] |= (1 << bit);\n }\n }\n buf[0] &= ~mask;\n if (bottom)\n buf[bytes - 1] |= 1;\n if (!BN_bin2bn(buf, bytes, rnd))\n goto err;\n ret = 1;\n err:\n OPENSSL_clear_free(buf, bytes);\n bn_check_top(rnd);\n return ret;\ntoosmall:\n BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);\n return 0;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
8,156 | 0 | https://github.com/openssl/openssl/blob/e7d961e994620dd5dee6d80794a07fb9de1bab66/ssl/packet_locl.h/#L36 | static ossl_inline void packet_forward(PACKET *pkt, size_t len)
{
pkt->curr += len;
pkt->remaining -= len;
} | ['int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,\n int isv2format, STACK_OF(SSL_CIPHER) **sk,\n STACK_OF(SSL_CIPHER) **scsvs)\n{\n PACKET pkt;\n if (!PACKET_buf_init(&pkt, bytes, len))\n return 0;\n return bytes_to_cipher_list(s, &pkt, sk, scsvs, isv2format, 0);\n}', 'static ossl_inline int PACKET_buf_init(PACKET *pkt,\n const unsigned char *buf,\n size_t len)\n{\n if (len > (size_t)(SIZE_MAX / 2))\n return 0;\n pkt->curr = buf;\n pkt->remaining = len;\n return 1;\n}', "int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites,\n STACK_OF(SSL_CIPHER) **skp,\n STACK_OF(SSL_CIPHER) **scsvs_out,\n int sslv2format, int fatal)\n{\n const SSL_CIPHER *c;\n STACK_OF(SSL_CIPHER) *sk = NULL;\n STACK_OF(SSL_CIPHER) *scsvs = NULL;\n int n;\n unsigned char cipher[SSLV2_CIPHER_LEN];\n n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN;\n if (PACKET_remaining(cipher_suites) == 0) {\n if (fatal)\n SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_BYTES_TO_CIPHER_LIST,\n SSL_R_NO_CIPHERS_SPECIFIED);\n else\n SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, SSL_R_NO_CIPHERS_SPECIFIED);\n return 0;\n }\n if (PACKET_remaining(cipher_suites) % n != 0) {\n if (fatal)\n SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_BYTES_TO_CIPHER_LIST,\n SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);\n else\n SSLerr(SSL_F_BYTES_TO_CIPHER_LIST,\n SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);\n return 0;\n }\n sk = sk_SSL_CIPHER_new_null();\n scsvs = sk_SSL_CIPHER_new_null();\n if (sk == NULL || scsvs == NULL) {\n if (fatal)\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_BYTES_TO_CIPHER_LIST,\n ERR_R_MALLOC_FAILURE);\n else\n SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n while (PACKET_copy_bytes(cipher_suites, cipher, n)) {\n if (sslv2format && cipher[0] != '\\0')\n continue;\n c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1);\n if (c != NULL) {\n if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) ||\n (!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) {\n if (fatal)\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_BYTES_TO_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n else\n SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n }\n }\n if (PACKET_remaining(cipher_suites) > 0) {\n if (fatal)\n SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_BYTES_TO_CIPHER_LIST,\n SSL_R_BAD_LENGTH);\n else\n SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, SSL_R_BAD_LENGTH);\n goto err;\n }\n if (skp != NULL)\n *skp = sk;\n else\n sk_SSL_CIPHER_free(sk);\n if (scsvs_out != NULL)\n *scsvs_out = scsvs;\n else\n sk_SSL_CIPHER_free(scsvs);\n return 1;\n err:\n sk_SSL_CIPHER_free(sk);\n sk_SSL_CIPHER_free(scsvs);\n return 0;\n}", 'static ossl_inline int PACKET_copy_bytes(PACKET *pkt,\n unsigned char *data, size_t len)\n{\n if (!PACKET_peek_copy_bytes(pkt, data, len))\n return 0;\n packet_forward(pkt, len);\n return 1;\n}', 'static ossl_inline void packet_forward(PACKET *pkt, size_t len)\n{\n pkt->curr += len;\n pkt->remaining -= len;\n}'] |
8,157 | 0 | https://github.com/nginx/nginx/blob/72ace363184d4768627c2fd2b0a5236887cdc036/src/core/ngx_slab.c/#L482 | void
ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p)
{
size_t size;
uintptr_t slab, m, *bitmap;
ngx_uint_t i, n, type, slot, shift, map;
ngx_slab_page_t *slots, *page;
ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, ngx_cycle->log, 0, "slab free: %p", p);
if ((u_char *) p < pool->start || (u_char *) p > pool->end) {
ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): outside of pool");
goto fail;
}
n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;
page = &pool->pages[n];
slab = page->slab;
type = ngx_slab_page_type(page);
switch (type) {
case NGX_SLAB_SMALL:
shift = slab & NGX_SLAB_SHIFT_MASK;
size = 1 << shift;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
n = ((uintptr_t) p & (ngx_pagesize - 1)) >> shift;
m = (uintptr_t) 1 << (n % (sizeof(uintptr_t) * 8));
n /= sizeof(uintptr_t) * 8;
bitmap = (uintptr_t *)
((uintptr_t) p & ~((uintptr_t) ngx_pagesize - 1));
if (bitmap[n] & m) {
slot = shift - pool->min_shift;
if (page->next == NULL) {
slots = ngx_slab_slots(pool);
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_SMALL;
page->next->prev = (uintptr_t) page | NGX_SLAB_SMALL;
}
bitmap[n] &= ~m;
n = (ngx_pagesize >> shift) / ((1 << shift) * 8);
if (n == 0) {
n = 1;
}
if (bitmap[0] & ~(((uintptr_t) 1 << n) - 1)) {
goto done;
}
map = (ngx_pagesize >> shift) / (sizeof(uintptr_t) * 8);
for (i = 1; i < map; i++) {
if (bitmap[i]) {
goto done;
}
}
ngx_slab_free_pages(pool, page, 1);
pool->stats[slot].total -= (ngx_pagesize >> shift) - n;
goto done;
}
goto chunk_already_free;
case NGX_SLAB_EXACT:
m = (uintptr_t) 1 <<
(((uintptr_t) p & (ngx_pagesize - 1)) >> ngx_slab_exact_shift);
size = ngx_slab_exact_size;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
if (slab & m) {
slot = ngx_slab_exact_shift - pool->min_shift;
if (slab == NGX_SLAB_BUSY) {
slots = ngx_slab_slots(pool);
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;
page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT;
}
page->slab &= ~m;
if (page->slab) {
goto done;
}
ngx_slab_free_pages(pool, page, 1);
pool->stats[slot].total -= sizeof(uintptr_t) * 8;
goto done;
}
goto chunk_already_free;
case NGX_SLAB_BIG:
shift = slab & NGX_SLAB_SHIFT_MASK;
size = 1 << shift;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
m = (uintptr_t) 1 << ((((uintptr_t) p & (ngx_pagesize - 1)) >> shift)
+ NGX_SLAB_MAP_SHIFT);
if (slab & m) {
slot = shift - pool->min_shift;
if (page->next == NULL) {
slots = ngx_slab_slots(pool);
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_BIG;
page->next->prev = (uintptr_t) page | NGX_SLAB_BIG;
}
page->slab &= ~m;
if (page->slab & NGX_SLAB_MAP_MASK) {
goto done;
}
ngx_slab_free_pages(pool, page, 1);
pool->stats[slot].total -= ngx_pagesize >> shift;
goto done;
}
goto chunk_already_free;
case NGX_SLAB_PAGE:
if ((uintptr_t) p & (ngx_pagesize - 1)) {
goto wrong_chunk;
}
if (!(slab & NGX_SLAB_PAGE_START)) {
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): page is already free");
goto fail;
}
if (slab == NGX_SLAB_PAGE_BUSY) {
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): pointer to wrong page");
goto fail;
}
n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;
size = slab & ~NGX_SLAB_PAGE_START;
ngx_slab_free_pages(pool, &pool->pages[n], size);
ngx_slab_junk(p, size << ngx_pagesize_shift);
return;
}
return;
done:
pool->stats[slot].used--;
ngx_slab_junk(p, size);
return;
wrong_chunk:
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): pointer to wrong chunk");
goto fail;
chunk_already_free:
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): chunk is already free");
fail:
return;
} | ['static void\nngx_http_limit_conn_cleanup(void *data)\n{\n ngx_http_limit_conn_cleanup_t *lccln = data;\n ngx_slab_pool_t *shpool;\n ngx_rbtree_node_t *node;\n ngx_http_limit_conn_ctx_t *ctx;\n ngx_http_limit_conn_node_t *lc;\n ctx = lccln->shm_zone->data;\n shpool = (ngx_slab_pool_t *) lccln->shm_zone->shm.addr;\n node = lccln->node;\n lc = (ngx_http_limit_conn_node_t *) &node->color;\n ngx_shmtx_lock(&shpool->mutex);\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, lccln->shm_zone->shm.log, 0,\n "limit conn cleanup: %08Xi %d", node->key, lc->conn);\n lc->conn--;\n if (lc->conn == 0) {\n ngx_rbtree_delete(ctx->rbtree, node);\n ngx_slab_free_locked(shpool, node);\n }\n ngx_shmtx_unlock(&shpool->mutex);\n}', 'void\nngx_slab_free_locked(ngx_slab_pool_t *pool, void *p)\n{\n size_t size;\n uintptr_t slab, m, *bitmap;\n ngx_uint_t i, n, type, slot, shift, map;\n ngx_slab_page_t *slots, *page;\n ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, ngx_cycle->log, 0, "slab free: %p", p);\n if ((u_char *) p < pool->start || (u_char *) p > pool->end) {\n ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): outside of pool");\n goto fail;\n }\n n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;\n page = &pool->pages[n];\n slab = page->slab;\n type = ngx_slab_page_type(page);\n switch (type) {\n case NGX_SLAB_SMALL:\n shift = slab & NGX_SLAB_SHIFT_MASK;\n size = 1 << shift;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n n = ((uintptr_t) p & (ngx_pagesize - 1)) >> shift;\n m = (uintptr_t) 1 << (n % (sizeof(uintptr_t) * 8));\n n /= sizeof(uintptr_t) * 8;\n bitmap = (uintptr_t *)\n ((uintptr_t) p & ~((uintptr_t) ngx_pagesize - 1));\n if (bitmap[n] & m) {\n slot = shift - pool->min_shift;\n if (page->next == NULL) {\n slots = ngx_slab_slots(pool);\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_SMALL;\n page->next->prev = (uintptr_t) page | NGX_SLAB_SMALL;\n }\n bitmap[n] &= ~m;\n n = (ngx_pagesize >> shift) / ((1 << shift) * 8);\n if (n == 0) {\n n = 1;\n }\n if (bitmap[0] & ~(((uintptr_t) 1 << n) - 1)) {\n goto done;\n }\n map = (ngx_pagesize >> shift) / (sizeof(uintptr_t) * 8);\n for (i = 1; i < map; i++) {\n if (bitmap[i]) {\n goto done;\n }\n }\n ngx_slab_free_pages(pool, page, 1);\n pool->stats[slot].total -= (ngx_pagesize >> shift) - n;\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_EXACT:\n m = (uintptr_t) 1 <<\n (((uintptr_t) p & (ngx_pagesize - 1)) >> ngx_slab_exact_shift);\n size = ngx_slab_exact_size;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n if (slab & m) {\n slot = ngx_slab_exact_shift - pool->min_shift;\n if (slab == NGX_SLAB_BUSY) {\n slots = ngx_slab_slots(pool);\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;\n page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT;\n }\n page->slab &= ~m;\n if (page->slab) {\n goto done;\n }\n ngx_slab_free_pages(pool, page, 1);\n pool->stats[slot].total -= sizeof(uintptr_t) * 8;\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_BIG:\n shift = slab & NGX_SLAB_SHIFT_MASK;\n size = 1 << shift;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n m = (uintptr_t) 1 << ((((uintptr_t) p & (ngx_pagesize - 1)) >> shift)\n + NGX_SLAB_MAP_SHIFT);\n if (slab & m) {\n slot = shift - pool->min_shift;\n if (page->next == NULL) {\n slots = ngx_slab_slots(pool);\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_BIG;\n page->next->prev = (uintptr_t) page | NGX_SLAB_BIG;\n }\n page->slab &= ~m;\n if (page->slab & NGX_SLAB_MAP_MASK) {\n goto done;\n }\n ngx_slab_free_pages(pool, page, 1);\n pool->stats[slot].total -= ngx_pagesize >> shift;\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_PAGE:\n if ((uintptr_t) p & (ngx_pagesize - 1)) {\n goto wrong_chunk;\n }\n if (!(slab & NGX_SLAB_PAGE_START)) {\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): page is already free");\n goto fail;\n }\n if (slab == NGX_SLAB_PAGE_BUSY) {\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): pointer to wrong page");\n goto fail;\n }\n n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;\n size = slab & ~NGX_SLAB_PAGE_START;\n ngx_slab_free_pages(pool, &pool->pages[n], size);\n ngx_slab_junk(p, size << ngx_pagesize_shift);\n return;\n }\n return;\ndone:\n pool->stats[slot].used--;\n ngx_slab_junk(p, size);\n return;\nwrong_chunk:\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): pointer to wrong chunk");\n goto fail;\nchunk_already_free:\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): chunk is already free");\nfail:\n return;\n}'] |
8,158 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L271 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N)\n{\n BIGNUM *r;\n BN_CTX *bn_ctx;\n int ret = 0;\n if (B == NULL || N == NULL || (bn_ctx = BN_CTX_new()) == NULL)\n return 0;\n if ((r = BN_new()) == NULL)\n goto err;\n if (!BN_nnmod(r, B, N, bn_ctx))\n goto err;\n ret = !BN_is_zero(r);\n err:\n BN_CTX_free(bn_ctx);\n BN_free(r);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, j, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l, tmp;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n rb = n % BN_BITS2;\n lb = BN_BITS2 - rb;\n if (nw >= a->top || a->top == 0) {\n BN_zero(r);\n return (1);\n }\n i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;\n if (r != a) {\n if (bn_wexpand(r, i) == NULL)\n return (0);\n r->neg = a->neg;\n } else {\n if (n == 0)\n return 1;\n }\n f = &(a->d[nw]);\n t = r->d;\n j = a->top - nw;\n r->top = i;\n if (rb == 0) {\n for (i = j; i != 0; i--)\n *(t++) = *(f++);\n } else {\n l = *(f++);\n for (i = j - 1; i != 0; i--) {\n tmp = (l >> rb) & BN_MASK2;\n l = *(f++);\n *(t++) = (tmp | (l << lb)) & BN_MASK2;\n }\n if ((l = (l >> rb) & BN_MASK2))\n *(t) = l;\n }\n if (!r->top)\n r->neg = 0;\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
8,159 | 0 | https://github.com/libav/libav/blob/63e8d9760f23a4edf81e9ae58c4f6d3baa6ff4dd/ffmpeg.c/#L3645 | static int opt_streamid(const char *opt, const char *arg)
{
int idx;
char *p;
char idx_str[16];
strncpy(idx_str, arg, sizeof(idx_str));
idx_str[sizeof(idx_str)-1] = '\0';
p = strchr(idx_str, ':');
if (!p) {
fprintf(stderr,
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
arg, opt);
ffmpeg_exit(1);
}
*p++ = '\0';
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
return 0;
} | ['static int opt_streamid(const char *opt, const char *arg)\n{\n int idx;\n char *p;\n char idx_str[16];\n strncpy(idx_str, arg, sizeof(idx_str));\n idx_str[sizeof(idx_str)-1] = \'\\0\';\n p = strchr(idx_str, \':\');\n if (!p) {\n fprintf(stderr,\n "Invalid value \'%s\' for option \'%s\', required syntax is \'index:value\'\\n",\n arg, opt);\n ffmpeg_exit(1);\n }\n *p++ = \'\\0\';\n idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);\n streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);\n streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);\n return 0;\n}'] |
8,160 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/interplayvideo.c/#L583 | static int ipvideo_decode_block_opcode_0xA(IpvideoContext *s)
{
int x, y;
unsigned char P[16];
unsigned char B[16];
int flags = 0;
int shifter = 0;
int index;
int split;
int lower_half;
CHECK_STREAM_PTR(4);
for (y = 0; y < 4; y++)
P[y] = *s->stream_ptr++;
if (P[0] <= P[1]) {
CHECK_STREAM_PTR(28);
for (y = 0; y < 4; y++)
B[y] = *s->stream_ptr++;
for (y = 4; y < 16; y += 4) {
for (x = y; x < y + 4; x++)
P[x] = *s->stream_ptr++;
for (x = y; x < y + 4; x++)
B[x] = *s->stream_ptr++;
}
for (y = 0; y < 8; y++) {
lower_half = (y >= 4) ? 4 : 0;
flags = (B[y + 8] << 8) | B[y];
for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
split = (x >= 4) ? 8 : 0;
index = split + lower_half + ((flags >> shifter) & 0x03);
*s->pixel_ptr++ = P[index];
}
s->pixel_ptr += s->line_inc;
}
} else {
CHECK_STREAM_PTR(20);
for (y = 0; y < 8; y++)
B[y] = *s->stream_ptr++;
for (y = 4; y < 8; y++)
P[y] = *s->stream_ptr++;
for (y = 8; y < 16; y++)
B[y] = *s->stream_ptr++;
if (P[4] <= P[5]) {
for (y = 0; y < 8; y++) {
flags = (B[y + 8] << 8) | B[y];
split = 0;
for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
if (x == 4)
split = 4;
*s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];
}
s->pixel_ptr += s->line_inc;
}
} else {
split = 0;
for (y = 0; y < 8; y++) {
flags = (B[y * 2 + 1] << 8) | B[y * 2];
if (y == 4)
split = 4;
for (x = 0, shifter = 0; x < 8; x++, shifter += 2)
*s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];
s->pixel_ptr += s->line_inc;
}
}
}
return 0;
} | ['static int ipvideo_decode_block_opcode_0xA(IpvideoContext *s)\n{\n int x, y;\n unsigned char P[16];\n unsigned char B[16];\n int flags = 0;\n int shifter = 0;\n int index;\n int split;\n int lower_half;\n CHECK_STREAM_PTR(4);\n for (y = 0; y < 4; y++)\n P[y] = *s->stream_ptr++;\n if (P[0] <= P[1]) {\n CHECK_STREAM_PTR(28);\n for (y = 0; y < 4; y++)\n B[y] = *s->stream_ptr++;\n for (y = 4; y < 16; y += 4) {\n for (x = y; x < y + 4; x++)\n P[x] = *s->stream_ptr++;\n for (x = y; x < y + 4; x++)\n B[x] = *s->stream_ptr++;\n }\n for (y = 0; y < 8; y++) {\n lower_half = (y >= 4) ? 4 : 0;\n flags = (B[y + 8] << 8) | B[y];\n for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {\n split = (x >= 4) ? 8 : 0;\n index = split + lower_half + ((flags >> shifter) & 0x03);\n *s->pixel_ptr++ = P[index];\n }\n s->pixel_ptr += s->line_inc;\n }\n } else {\n CHECK_STREAM_PTR(20);\n for (y = 0; y < 8; y++)\n B[y] = *s->stream_ptr++;\n for (y = 4; y < 8; y++)\n P[y] = *s->stream_ptr++;\n for (y = 8; y < 16; y++)\n B[y] = *s->stream_ptr++;\n if (P[4] <= P[5]) {\n for (y = 0; y < 8; y++) {\n flags = (B[y + 8] << 8) | B[y];\n split = 0;\n for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {\n if (x == 4)\n split = 4;\n *s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];\n }\n s->pixel_ptr += s->line_inc;\n }\n } else {\n split = 0;\n for (y = 0; y < 8; y++) {\n flags = (B[y * 2 + 1] << 8) | B[y * 2];\n if (y == 4)\n split = 4;\n for (x = 0, shifter = 0; x < 8; x++, shifter += 2)\n *s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];\n s->pixel_ptr += s->line_inc;\n }\n }\n }\n return 0;\n}'] |
8,161 | 0 | https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavformat/mpegtsenc.c/#L71 | static void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)
{
unsigned int crc;
unsigned char packet[TS_PACKET_SIZE];
const unsigned char *buf_ptr;
unsigned char *q;
int first, b, len1, left;
crc = bswap_32(av_crc(av_crc_get_table(AV_CRC_32_IEEE), -1, buf, len - 4));
buf[len - 4] = (crc >> 24) & 0xff;
buf[len - 3] = (crc >> 16) & 0xff;
buf[len - 2] = (crc >> 8) & 0xff;
buf[len - 1] = (crc) & 0xff;
buf_ptr = buf;
while (len > 0) {
first = (buf == buf_ptr);
q = packet;
*q++ = 0x47;
b = (s->pid >> 8);
if (first)
b |= 0x40;
*q++ = b;
*q++ = s->pid;
*q++ = 0x10 | s->cc;
s->cc = (s->cc + 1) & 0xf;
if (first)
*q++ = 0;
len1 = TS_PACKET_SIZE - (q - packet);
if (len1 > len)
len1 = len;
memcpy(q, buf_ptr, len1);
q += len1;
left = TS_PACKET_SIZE - (q - packet);
if (left > 0)
memset(q, 0xff, left);
s->write_packet(s, packet);
buf_ptr += len1;
len -= len1;
}
} | ['static void mpegts_write_sdt(AVFormatContext *s)\n{\n MpegTSWrite *ts = s->priv_data;\n MpegTSService *service;\n uint8_t data[1012], *q, *desc_list_len_ptr, *desc_len_ptr;\n int i, running_status, free_ca_mode, val;\n q = data;\n put16(&q, ts->onid);\n *q++ = 0xff;\n for(i = 0; i < ts->nb_services; i++) {\n service = ts->services[i];\n put16(&q, service->sid);\n *q++ = 0xfc | 0x00;\n desc_list_len_ptr = q;\n q += 2;\n running_status = 4;\n free_ca_mode = 0;\n *q++ = 0x48;\n desc_len_ptr = q;\n q++;\n *q++ = 0x01;\n putstr8(&q, service->provider_name);\n putstr8(&q, service->name);\n desc_len_ptr[0] = q - desc_len_ptr - 1;\n val = (running_status << 13) | (free_ca_mode << 12) |\n (q - desc_list_len_ptr - 2);\n desc_list_len_ptr[0] = val >> 8;\n desc_list_len_ptr[1] = val;\n }\n mpegts_write_section1(&ts->sdt, SDT_TID, ts->tsid, 0, 0, 0,\n data, q - data);\n}', 'static int mpegts_write_section1(MpegTSSection *s, int tid, int id,\n int version, int sec_num, int last_sec_num,\n uint8_t *buf, int len)\n{\n uint8_t section[1024], *q;\n unsigned int tot_len;\n tot_len = 3 + 5 + len + 4;\n if (tot_len > 1024)\n return -1;\n q = section;\n *q++ = tid;\n put16(&q, 0xb000 | (len + 5 + 4));\n put16(&q, id);\n *q++ = 0xc1 | (version << 1);\n *q++ = sec_num;\n *q++ = last_sec_num;\n memcpy(q, buf, len);\n mpegts_write_section(s, section, tot_len);\n return 0;\n}', 'static void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)\n{\n unsigned int crc;\n unsigned char packet[TS_PACKET_SIZE];\n const unsigned char *buf_ptr;\n unsigned char *q;\n int first, b, len1, left;\n crc = bswap_32(av_crc(av_crc_get_table(AV_CRC_32_IEEE), -1, buf, len - 4));\n buf[len - 4] = (crc >> 24) & 0xff;\n buf[len - 3] = (crc >> 16) & 0xff;\n buf[len - 2] = (crc >> 8) & 0xff;\n buf[len - 1] = (crc) & 0xff;\n buf_ptr = buf;\n while (len > 0) {\n first = (buf == buf_ptr);\n q = packet;\n *q++ = 0x47;\n b = (s->pid >> 8);\n if (first)\n b |= 0x40;\n *q++ = b;\n *q++ = s->pid;\n *q++ = 0x10 | s->cc;\n s->cc = (s->cc + 1) & 0xf;\n if (first)\n *q++ = 0;\n len1 = TS_PACKET_SIZE - (q - packet);\n if (len1 > len)\n len1 = len;\n memcpy(q, buf_ptr, len1);\n q += len1;\n left = TS_PACKET_SIZE - (q - packet);\n if (left > 0)\n memset(q, 0xff, left);\n s->write_packet(s, packet);\n buf_ptr += len1;\n len -= len1;\n }\n}'] |
8,162 | 0 | https://github.com/libav/libav/blob/0ebe3b8e2bf74503d7c9cc383e29254a3cb06d55/libavcodec/xan.c/#L103 | static int xan_huffman_decode(unsigned char *dest, const unsigned char *src,
int dest_len)
{
unsigned char byte = *src++;
unsigned char ival = byte + 0x16;
const unsigned char * ptr = src + byte*2;
unsigned char val = ival;
unsigned char *dest_end = dest + dest_len;
GetBitContext gb;
init_get_bits(&gb, ptr, 0);
while ( val != 0x16 ) {
val = src[val - 0x17 + get_bits1(&gb) * byte];
if ( val < 0x16 ) {
if (dest >= dest_end)
return 0;
*dest++ = val;
val = ival;
}
}
return 0;
} | ['static int xan_huffman_decode(unsigned char *dest, const unsigned char *src,\n int dest_len)\n{\n unsigned char byte = *src++;\n unsigned char ival = byte + 0x16;\n const unsigned char * ptr = src + byte*2;\n unsigned char val = ival;\n unsigned char *dest_end = dest + dest_len;\n GetBitContext gb;\n init_get_bits(&gb, ptr, 0);\n while ( val != 0x16 ) {\n val = src[val - 0x17 + get_bits1(&gb) * byte];\n if ( val < 0x16 ) {\n if (dest >= dest_end)\n return 0;\n *dest++ = val;\n val = ival;\n }\n }\n return 0;\n}', 'static inline void init_get_bits(GetBitContext *s,\n const uint8_t *buffer, int bit_size)\n{\n int buffer_size= (bit_size+7)>>3;\n if(buffer_size < 0 || bit_size < 0) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n }\n s->buffer= buffer;\n s->size_in_bits= bit_size;\n s->buffer_end= buffer + buffer_size;\n#ifdef ALT_BITSTREAM_READER\n s->index=0;\n#elif defined LIBMPEG2_BITSTREAM_READER\n s->buffer_ptr = (uint8_t*)((intptr_t)buffer&(~1));\n s->bit_count = 16 + 8*((intptr_t)buffer&1);\n skip_bits_long(s, 0);\n#elif defined A32_BITSTREAM_READER\n s->buffer_ptr = (uint32_t*)((intptr_t)buffer&(~3));\n s->bit_count = 32 + 8*((intptr_t)buffer&3);\n skip_bits_long(s, 0);\n#endif\n}', 'static inline unsigned int get_bits1(GetBitContext *s){\n#ifdef ALT_BITSTREAM_READER\n int index= s->index;\n uint8_t result= s->buffer[ index>>3 ];\n#ifdef ALT_BITSTREAM_READER_LE\n result>>= (index&0x07);\n result&= 1;\n#else\n result<<= (index&0x07);\n result>>= 8 - 1;\n#endif\n index++;\n s->index= index;\n return result;\n#else\n return get_bits(s, 1);\n#endif\n}'] |
8,163 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/txt_db/txt_db.c/#L159 | TXT_DB *TXT_DB_read(BIO *in, int num)
{
TXT_DB *ret = NULL;
int esc = 0;
long ln = 0;
int i, add, n;
int size = BUFSIZE;
int offset = 0;
char *p, *f;
OPENSSL_STRING *pp;
BUF_MEM *buf = NULL;
if ((buf = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(buf, size))
goto err;
if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL)
goto err;
ret->num_fields = num;
ret->index = NULL;
ret->qual = NULL;
if ((ret->data = sk_OPENSSL_PSTRING_new_null()) == NULL)
goto err;
if ((ret->index = OPENSSL_malloc(sizeof(*ret->index) * num)) == NULL)
goto err;
if ((ret->qual = OPENSSL_malloc(sizeof(*(ret->qual)) * num)) == NULL)
goto err;
for (i = 0; i < num; i++) {
ret->index[i] = NULL;
ret->qual[i] = NULL;
}
add = (num + 1) * sizeof(char *);
buf->data[size - 1] = '\0';
offset = 0;
for (;;) {
if (offset != 0) {
size += BUFSIZE;
if (!BUF_MEM_grow_clean(buf, size))
goto err;
}
buf->data[offset] = '\0';
BIO_gets(in, &(buf->data[offset]), size - offset);
ln++;
if (buf->data[offset] == '\0')
break;
if ((offset == 0) && (buf->data[0] == '#'))
continue;
i = strlen(&(buf->data[offset]));
offset += i;
if (buf->data[offset - 1] != '\n')
continue;
else {
buf->data[offset - 1] = '\0';
if ((p = OPENSSL_malloc(add + offset)) == NULL)
goto err;
offset = 0;
}
pp = (char **)p;
p += add;
n = 0;
pp[n++] = p;
i = 0;
f = buf->data;
esc = 0;
for (;;) {
if (*f == '\0')
break;
if (*f == '\t') {
if (esc)
p--;
else {
*(p++) = '\0';
f++;
if (n >= num)
break;
pp[n++] = p;
continue;
}
}
esc = (*f == '\\');
*(p++) = *(f++);
}
*(p++) = '\0';
if ((n != num) || (*f != '\0')) {
ret->error = DB_ERROR_WRONG_NUM_FIELDS;
goto err;
}
pp[n] = p;
if (!sk_OPENSSL_PSTRING_push(ret->data, pp))
goto err;
}
BUF_MEM_free(buf);
return ret;
err:
BUF_MEM_free(buf);
if (ret != NULL) {
sk_OPENSSL_PSTRING_free(ret->data);
OPENSSL_free(ret->index);
OPENSSL_free(ret->qual);
OPENSSL_free(ret);
}
return (NULL);
} | ['CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)\n{\n CA_DB *retdb = NULL;\n TXT_DB *tmpdb = NULL;\n BIO *in;\n CONF *dbattr_conf = NULL;\n char buf[BSIZE];\n in = BIO_new_file(dbfile, "r");\n if (in == NULL) {\n ERR_print_errors(bio_err);\n goto err;\n }\n if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)\n goto err;\n#ifndef OPENSSL_SYS_VMS\n BIO_snprintf(buf, sizeof buf, "%s.attr", dbfile);\n#else\n BIO_snprintf(buf, sizeof buf, "%s-attr", dbfile);\n#endif\n dbattr_conf = app_load_config(buf);\n retdb = app_malloc(sizeof(*retdb), "new DB");\n retdb->db = tmpdb;\n tmpdb = NULL;\n if (db_attr)\n retdb->attributes = *db_attr;\n else {\n retdb->attributes.unique_subject = 1;\n }\n if (dbattr_conf) {\n char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");\n if (p) {\n#ifdef RL_DEBUG\n BIO_printf(bio_err,\n "DEBUG[load_index]: unique_subject = \\"%s\\"\\n", p);\n#endif\n retdb->attributes.unique_subject = parse_yesno(p, 1);\n }\n }\n err:\n NCONF_free(dbattr_conf);\n TXT_DB_free(tmpdb);\n BIO_free_all(in);\n return retdb;\n}', "TXT_DB *TXT_DB_read(BIO *in, int num)\n{\n TXT_DB *ret = NULL;\n int esc = 0;\n long ln = 0;\n int i, add, n;\n int size = BUFSIZE;\n int offset = 0;\n char *p, *f;\n OPENSSL_STRING *pp;\n BUF_MEM *buf = NULL;\n if ((buf = BUF_MEM_new()) == NULL)\n goto err;\n if (!BUF_MEM_grow(buf, size))\n goto err;\n if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL)\n goto err;\n ret->num_fields = num;\n ret->index = NULL;\n ret->qual = NULL;\n if ((ret->data = sk_OPENSSL_PSTRING_new_null()) == NULL)\n goto err;\n if ((ret->index = OPENSSL_malloc(sizeof(*ret->index) * num)) == NULL)\n goto err;\n if ((ret->qual = OPENSSL_malloc(sizeof(*(ret->qual)) * num)) == NULL)\n goto err;\n for (i = 0; i < num; i++) {\n ret->index[i] = NULL;\n ret->qual[i] = NULL;\n }\n add = (num + 1) * sizeof(char *);\n buf->data[size - 1] = '\\0';\n offset = 0;\n for (;;) {\n if (offset != 0) {\n size += BUFSIZE;\n if (!BUF_MEM_grow_clean(buf, size))\n goto err;\n }\n buf->data[offset] = '\\0';\n BIO_gets(in, &(buf->data[offset]), size - offset);\n ln++;\n if (buf->data[offset] == '\\0')\n break;\n if ((offset == 0) && (buf->data[0] == '#'))\n continue;\n i = strlen(&(buf->data[offset]));\n offset += i;\n if (buf->data[offset - 1] != '\\n')\n continue;\n else {\n buf->data[offset - 1] = '\\0';\n if ((p = OPENSSL_malloc(add + offset)) == NULL)\n goto err;\n offset = 0;\n }\n pp = (char **)p;\n p += add;\n n = 0;\n pp[n++] = p;\n i = 0;\n f = buf->data;\n esc = 0;\n for (;;) {\n if (*f == '\\0')\n break;\n if (*f == '\\t') {\n if (esc)\n p--;\n else {\n *(p++) = '\\0';\n f++;\n if (n >= num)\n break;\n pp[n++] = p;\n continue;\n }\n }\n esc = (*f == '\\\\');\n *(p++) = *(f++);\n }\n *(p++) = '\\0';\n if ((n != num) || (*f != '\\0')) {\n ret->error = DB_ERROR_WRONG_NUM_FIELDS;\n goto err;\n }\n pp[n] = p;\n if (!sk_OPENSSL_PSTRING_push(ret->data, pp))\n goto err;\n }\n BUF_MEM_free(buf);\n return ret;\n err:\n BUF_MEM_free(buf);\n if (ret != NULL) {\n sk_OPENSSL_PSTRING_free(ret->data);\n OPENSSL_free(ret->index);\n OPENSSL_free(ret->qual);\n OPENSSL_free(ret);\n }\n return (NULL);\n}", 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifdef CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}'] |
8,164 | 0 | https://github.com/openssl/openssl/blob/1fac96e4d6484a517f2ebe99b72016726391723c/crypto/bn/bn_asm.c/#L544 | void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b)
{
#ifdef BN_LLONG
BN_ULLONG t;
#else
BN_ULONG bl,bh;
#endif
BN_ULONG t1,t2;
BN_ULONG c1,c2,c3;
c1=0;
c2=0;
c3=0;
mul_add_c(a[0],b[0],c1,c2,c3);
r[0]=c1;
c1=0;
mul_add_c(a[0],b[1],c2,c3,c1);
mul_add_c(a[1],b[0],c2,c3,c1);
r[1]=c2;
c2=0;
mul_add_c(a[2],b[0],c3,c1,c2);
mul_add_c(a[1],b[1],c3,c1,c2);
mul_add_c(a[0],b[2],c3,c1,c2);
r[2]=c3;
c3=0;
mul_add_c(a[0],b[3],c1,c2,c3);
mul_add_c(a[1],b[2],c1,c2,c3);
mul_add_c(a[2],b[1],c1,c2,c3);
mul_add_c(a[3],b[0],c1,c2,c3);
r[3]=c1;
c1=0;
mul_add_c(a[4],b[0],c2,c3,c1);
mul_add_c(a[3],b[1],c2,c3,c1);
mul_add_c(a[2],b[2],c2,c3,c1);
mul_add_c(a[1],b[3],c2,c3,c1);
mul_add_c(a[0],b[4],c2,c3,c1);
r[4]=c2;
c2=0;
mul_add_c(a[0],b[5],c3,c1,c2);
mul_add_c(a[1],b[4],c3,c1,c2);
mul_add_c(a[2],b[3],c3,c1,c2);
mul_add_c(a[3],b[2],c3,c1,c2);
mul_add_c(a[4],b[1],c3,c1,c2);
mul_add_c(a[5],b[0],c3,c1,c2);
r[5]=c3;
c3=0;
mul_add_c(a[6],b[0],c1,c2,c3);
mul_add_c(a[5],b[1],c1,c2,c3);
mul_add_c(a[4],b[2],c1,c2,c3);
mul_add_c(a[3],b[3],c1,c2,c3);
mul_add_c(a[2],b[4],c1,c2,c3);
mul_add_c(a[1],b[5],c1,c2,c3);
mul_add_c(a[0],b[6],c1,c2,c3);
r[6]=c1;
c1=0;
mul_add_c(a[0],b[7],c2,c3,c1);
mul_add_c(a[1],b[6],c2,c3,c1);
mul_add_c(a[2],b[5],c2,c3,c1);
mul_add_c(a[3],b[4],c2,c3,c1);
mul_add_c(a[4],b[3],c2,c3,c1);
mul_add_c(a[5],b[2],c2,c3,c1);
mul_add_c(a[6],b[1],c2,c3,c1);
mul_add_c(a[7],b[0],c2,c3,c1);
r[7]=c2;
c2=0;
mul_add_c(a[7],b[1],c3,c1,c2);
mul_add_c(a[6],b[2],c3,c1,c2);
mul_add_c(a[5],b[3],c3,c1,c2);
mul_add_c(a[4],b[4],c3,c1,c2);
mul_add_c(a[3],b[5],c3,c1,c2);
mul_add_c(a[2],b[6],c3,c1,c2);
mul_add_c(a[1],b[7],c3,c1,c2);
r[8]=c3;
c3=0;
mul_add_c(a[2],b[7],c1,c2,c3);
mul_add_c(a[3],b[6],c1,c2,c3);
mul_add_c(a[4],b[5],c1,c2,c3);
mul_add_c(a[5],b[4],c1,c2,c3);
mul_add_c(a[6],b[3],c1,c2,c3);
mul_add_c(a[7],b[2],c1,c2,c3);
r[9]=c1;
c1=0;
mul_add_c(a[7],b[3],c2,c3,c1);
mul_add_c(a[6],b[4],c2,c3,c1);
mul_add_c(a[5],b[5],c2,c3,c1);
mul_add_c(a[4],b[6],c2,c3,c1);
mul_add_c(a[3],b[7],c2,c3,c1);
r[10]=c2;
c2=0;
mul_add_c(a[4],b[7],c3,c1,c2);
mul_add_c(a[5],b[6],c3,c1,c2);
mul_add_c(a[6],b[5],c3,c1,c2);
mul_add_c(a[7],b[4],c3,c1,c2);
r[11]=c3;
c3=0;
mul_add_c(a[7],b[5],c1,c2,c3);
mul_add_c(a[6],b[6],c1,c2,c3);
mul_add_c(a[5],b[7],c1,c2,c3);
r[12]=c1;
c1=0;
mul_add_c(a[6],b[7],c2,c3,c1);
mul_add_c(a[7],b[6],c2,c3,c1);
r[13]=c2;
c2=0;
mul_add_c(a[7],b[7],c3,c1,c2);
r[14]=c3;
r[15]=c1;
} | ['int test_mul(BIO *bp)\n\t{\n\tBIGNUM a,b,c,d,e;\n\tint i;\n\tint j;\n\tBN_CTX ctx;\n\tBN_CTX_init(&ctx);\n\tBN_init(&a);\n\tBN_init(&b);\n\tBN_init(&c);\n\tBN_init(&d);\n\tBN_init(&e);\n\tBN_rand(&a,200,0,0);\n\tfor (i=0; i<100; i++)\n\t\t{\n\t\tBN_rand(&b,250+i,0,0);\n\t\tBN_rand(&b,200,0,0);\n\t\ta.neg=rand_neg();\n\t\tb.neg=rand_neg();\n\t\tif (bp == NULL)\n\t\t\tfor (j=0; j<100; j++)\n\t\t\t\tBN_mul(&c,&a,&b,&ctx);\n\t\tBN_mul(&c,&a,&b,&ctx);\n\t\tif (bp != NULL)\n\t\t\t{\n\t\t\tif (!results)\n\t\t\t\t{\n\t\t\t\tBN_print(bp,&a);\n\t\t\t\tBIO_puts(bp," * ");\n\t\t\t\tBN_print(bp,&b);\n\t\t\t\tBIO_puts(bp," - ");\n\t\t\t\t}\n\t\t\tBN_print(bp,&c);\n\t\t\tBIO_puts(bp,"\\n");\n\t\t\t}\n\t\tBN_div(&d,&e,&c,&a,&ctx);\n\t\tBN_sub(&d,&d,&b);\n\t\tif(!BN_is_zero(&d) || !BN_is_zero(&e))\n\t\t {\n\t\t BIO_puts(bp,"Multiplication test failed!\\n");\n\t\t return 0;\n\t\t }\n\t\t}\n\tBN_free(&a);\n\tBN_free(&b);\n\tBN_free(&c);\n\tBN_free(&d);\n\tBN_free(&e);\n\tBN_CTX_free(&ctx);\n\treturn(1);\n\t}', 'int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)\n\t{\n\tunsigned char *buf=NULL;\n\tint ret=0,bit,bytes,mask;\n\ttime_t tim;\n\tbytes=(bits+7)/8;\n\tbit=(bits-1)%8;\n\tmask=0xff<<bit;\n\tbuf=(unsigned char *)Malloc(bytes);\n\tif (buf == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_RAND,ERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\ttime(&tim);\n\tRAND_seed(&tim,sizeof(tim));\n\tRAND_bytes(buf,(int)bytes);\n\tif (top)\n\t\t{\n\t\tif (bit == 0)\n\t\t\t{\n\t\t\tbuf[0]=1;\n\t\t\tbuf[1]|=0x80;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tbuf[0]|=(3<<(bit-1));\n\t\t\tbuf[0]&= ~(mask<<1);\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tbuf[0]|=(1<<bit);\n\t\tbuf[0]&= ~(mask<<1);\n\t\t}\n\tif (bottom)\n\t\tbuf[bytes-1]|=1;\n\tif (!BN_bin2bn(buf,bytes,rnd)) goto err;\n\tret=1;\nerr:\n\tif (buf != NULL)\n\t\t{\n\t\tmemset(buf,0,bytes);\n\t\tFree(buf);\n\t\t}\n\treturn(ret);\n\t}', 'int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint top,al,bl;\n\tBIGNUM *rr;\n#ifdef BN_RECURSION\n\tBIGNUM *t;\n\tint i,j,k;\n#endif\n#ifdef BN_COUNT\nprintf("BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tr->neg=a->neg^b->neg;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tif ((r == a) || (r == b))\n\t\trr= &(ctx->bn[ctx->tos+1]);\n\telse\n\t\trr=r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tif (al == bl)\n\t\t{\n# ifdef BN_MUL_COMBA\n if (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) return(0);\n\t\t\tr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n# endif\n#ifdef BN_RECURSION\n\t\tif (al < BN_MULL_SIZE_NORMAL)\n#endif\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,top) == NULL) return(0);\n\t\t\trr->top=top;\n\t\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\t\tgoto end;\n\t\t\t}\n# ifdef BN_RECURSION\n\t\tgoto symetric;\n# endif\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\telse if ((al < BN_MULL_SIZE_NORMAL) || (bl < BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (bn_wexpand(rr,top) == NULL) return(0);\n\t\trr->top=top;\n\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\tgoto end;\n\t\t}\n\telse\n\t\t{\n\t\ti=(al-bl);\n\t\tif ((i == 1) && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(b,al);\n\t\t\tb->d[bl]=0;\n\t\t\tbl++;\n\t\t\tgoto symetric;\n\t\t\t}\n\t\telse if ((i == -1) && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(a,bl);\n\t\t\ta->d[al]=0;\n\t\t\tal++;\n\t\t\tgoto symetric;\n\t\t\t}\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) return(0);\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#ifdef BN_RECURSION\n\tif (0)\n\t\t{\nsymetric:\n\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\tj=1<<(j-1);\n\t\tk=j+j;\n\t\tt= &(ctx->bn[ctx->tos]);\n\t\tif (al == j)\n\t\t\t{\n\t\t\tbn_wexpand(t,k*2);\n\t\t\tbn_wexpand(rr,k*2);\n\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tbn_wexpand(a,k);\n\t\t\tbn_wexpand(b,k);\n\t\t\tbn_wexpand(t,k*4);\n\t\t\tbn_wexpand(rr,k*4);\n\t\t\tfor (i=a->top; i<k; i++)\n\t\t\t\ta->d[i]=0;\n\t\t\tfor (i=b->top; i<k; i++)\n\t\t\t\tb->d[i]=0;\n\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t}\n\t\trr->top=top;\n\t\t}\n#endif\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_fix_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\treturn(1);\n\t}', 'void bn_mul_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2,\n\t BN_ULONG *t)\n\t{\n\tint n=n2/2,c1,c2;\n\tunsigned int neg,zero;\n\tBN_ULONG ln,lo,*p;\n#ifdef BN_COUNT\nprintf(" bn_mul_recursive %d * %d\\n",n2,n2);\n#endif\n#ifdef BN_MUL_COMBA\n if (n2 == 8)\n\t\t{\n\t\tbn_mul_comba8(r,a,b);\n\t\treturn;\n\t\t}\n#endif\n\tif (n2 < BN_MUL_RECURSIVE_SIZE_NORMAL)\n\t\t{\n\t\tbn_mul_normal(r,a,n2,b,n2);\n\t\treturn;\n\t\t}\n\tc1=bn_cmp_words(a,&(a[n]),n);\n\tc2=bn_cmp_words(&(b[n]),b,n);\n\tzero=neg=0;\n\tswitch (c1*3+c2)\n\t\t{\n\tcase -4:\n\t\tbn_sub_words(t, &(a[n]),a, n);\n\t\tbn_sub_words(&(t[n]),b, &(b[n]),n);\n\t\tbreak;\n\tcase -3:\n\t\tzero=1;\n\t\tbreak;\n\tcase -2:\n\t\tbn_sub_words(t, &(a[n]),a, n);\n\t\tbn_sub_words(&(t[n]),&(b[n]),b, n);\n\t\tneg=1;\n\t\tbreak;\n\tcase -1:\n\tcase 0:\n\tcase 1:\n\t\tzero=1;\n\t\tbreak;\n\tcase 2:\n\t\tbn_sub_words(t, a, &(a[n]),n);\n\t\tbn_sub_words(&(t[n]),b, &(b[n]),n);\n\t\tneg=1;\n\t\tbreak;\n\tcase 3:\n\t\tzero=1;\n\t\tbreak;\n\tcase 4:\n\t\tbn_sub_words(t, a, &(a[n]),n);\n\t\tbn_sub_words(&(t[n]),&(b[n]),b, n);\n\t\tbreak;\n\t\t}\n#ifdef BN_MUL_COMBA\n\tif (n == 4)\n\t\t{\n\t\tif (!zero)\n\t\t\tbn_mul_comba4(&(t[n2]),t,&(t[n]));\n\t\telse\n\t\t\tmemset(&(t[n2]),0,8*sizeof(BN_ULONG));\n\t\tbn_mul_comba4(r,a,b);\n\t\tbn_mul_comba4(&(r[n2]),&(a[n]),&(b[n]));\n\t\t}\n\telse if (n == 8)\n\t\t{\n\t\tif (!zero)\n\t\t\tbn_mul_comba8(&(t[n2]),t,&(t[n]));\n\t\telse\n\t\t\tmemset(&(t[n2]),0,16*sizeof(BN_ULONG));\n\t\tbn_mul_comba8(r,a,b);\n\t\tbn_mul_comba8(&(r[n2]),&(a[n]),&(b[n]));\n\t\t}\n\telse\n#endif\n\t\t{\n\t\tp= &(t[n2*2]);\n\t\tif (!zero)\n\t\t\tbn_mul_recursive(&(t[n2]),t,&(t[n]),n,p);\n\t\telse\n\t\t\tmemset(&(t[n2]),0,n2*sizeof(BN_ULONG));\n\t\tbn_mul_recursive(r,a,b,n,p);\n\t\tbn_mul_recursive(&(r[n2]),&(a[n]),&(b[n]),n,p);\n\t\t}\n\tc1=(int)(bn_add_words(t,r,&(r[n2]),n2));\n\tif (neg)\n\t\t{\n\t\tc1-=(int)(bn_sub_words(&(t[n2]),t,&(t[n2]),n2));\n\t\t}\n\telse\n\t\t{\n\t\tc1+=(int)(bn_add_words(&(t[n2]),&(t[n2]),t,n2));\n\t\t}\n\tc1+=(int)(bn_add_words(&(r[n]),&(r[n]),&(t[n2]),n2));\n\tif (c1)\n\t\t{\n\t\tp= &(r[n+n2]);\n\t\tlo= *p;\n\t\tln=(lo+c1)&BN_MASK2;\n\t\t*p=ln;\n\t\tif (ln < (BN_ULONG)c1)\n\t\t\t{\n\t\t\tdo\t{\n\t\t\t\tp++;\n\t\t\t\tlo= *p;\n\t\t\t\tln=(lo+1)&BN_MASK2;\n\t\t\t\t*p=ln;\n\t\t\t\t} while (ln == 0);\n\t\t\t}\n\t\t}\n\t}', 'void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b)\n\t{\n#ifdef BN_LLONG\n\tBN_ULLONG t;\n#else\n\tBN_ULONG bl,bh;\n#endif\n\tBN_ULONG t1,t2;\n\tBN_ULONG c1,c2,c3;\n\tc1=0;\n\tc2=0;\n\tc3=0;\n\tmul_add_c(a[0],b[0],c1,c2,c3);\n\tr[0]=c1;\n\tc1=0;\n\tmul_add_c(a[0],b[1],c2,c3,c1);\n\tmul_add_c(a[1],b[0],c2,c3,c1);\n\tr[1]=c2;\n\tc2=0;\n\tmul_add_c(a[2],b[0],c3,c1,c2);\n\tmul_add_c(a[1],b[1],c3,c1,c2);\n\tmul_add_c(a[0],b[2],c3,c1,c2);\n\tr[2]=c3;\n\tc3=0;\n\tmul_add_c(a[0],b[3],c1,c2,c3);\n\tmul_add_c(a[1],b[2],c1,c2,c3);\n\tmul_add_c(a[2],b[1],c1,c2,c3);\n\tmul_add_c(a[3],b[0],c1,c2,c3);\n\tr[3]=c1;\n\tc1=0;\n\tmul_add_c(a[4],b[0],c2,c3,c1);\n\tmul_add_c(a[3],b[1],c2,c3,c1);\n\tmul_add_c(a[2],b[2],c2,c3,c1);\n\tmul_add_c(a[1],b[3],c2,c3,c1);\n\tmul_add_c(a[0],b[4],c2,c3,c1);\n\tr[4]=c2;\n\tc2=0;\n\tmul_add_c(a[0],b[5],c3,c1,c2);\n\tmul_add_c(a[1],b[4],c3,c1,c2);\n\tmul_add_c(a[2],b[3],c3,c1,c2);\n\tmul_add_c(a[3],b[2],c3,c1,c2);\n\tmul_add_c(a[4],b[1],c3,c1,c2);\n\tmul_add_c(a[5],b[0],c3,c1,c2);\n\tr[5]=c3;\n\tc3=0;\n\tmul_add_c(a[6],b[0],c1,c2,c3);\n\tmul_add_c(a[5],b[1],c1,c2,c3);\n\tmul_add_c(a[4],b[2],c1,c2,c3);\n\tmul_add_c(a[3],b[3],c1,c2,c3);\n\tmul_add_c(a[2],b[4],c1,c2,c3);\n\tmul_add_c(a[1],b[5],c1,c2,c3);\n\tmul_add_c(a[0],b[6],c1,c2,c3);\n\tr[6]=c1;\n\tc1=0;\n\tmul_add_c(a[0],b[7],c2,c3,c1);\n\tmul_add_c(a[1],b[6],c2,c3,c1);\n\tmul_add_c(a[2],b[5],c2,c3,c1);\n\tmul_add_c(a[3],b[4],c2,c3,c1);\n\tmul_add_c(a[4],b[3],c2,c3,c1);\n\tmul_add_c(a[5],b[2],c2,c3,c1);\n\tmul_add_c(a[6],b[1],c2,c3,c1);\n\tmul_add_c(a[7],b[0],c2,c3,c1);\n\tr[7]=c2;\n\tc2=0;\n\tmul_add_c(a[7],b[1],c3,c1,c2);\n\tmul_add_c(a[6],b[2],c3,c1,c2);\n\tmul_add_c(a[5],b[3],c3,c1,c2);\n\tmul_add_c(a[4],b[4],c3,c1,c2);\n\tmul_add_c(a[3],b[5],c3,c1,c2);\n\tmul_add_c(a[2],b[6],c3,c1,c2);\n\tmul_add_c(a[1],b[7],c3,c1,c2);\n\tr[8]=c3;\n\tc3=0;\n\tmul_add_c(a[2],b[7],c1,c2,c3);\n\tmul_add_c(a[3],b[6],c1,c2,c3);\n\tmul_add_c(a[4],b[5],c1,c2,c3);\n\tmul_add_c(a[5],b[4],c1,c2,c3);\n\tmul_add_c(a[6],b[3],c1,c2,c3);\n\tmul_add_c(a[7],b[2],c1,c2,c3);\n\tr[9]=c1;\n\tc1=0;\n\tmul_add_c(a[7],b[3],c2,c3,c1);\n\tmul_add_c(a[6],b[4],c2,c3,c1);\n\tmul_add_c(a[5],b[5],c2,c3,c1);\n\tmul_add_c(a[4],b[6],c2,c3,c1);\n\tmul_add_c(a[3],b[7],c2,c3,c1);\n\tr[10]=c2;\n\tc2=0;\n\tmul_add_c(a[4],b[7],c3,c1,c2);\n\tmul_add_c(a[5],b[6],c3,c1,c2);\n\tmul_add_c(a[6],b[5],c3,c1,c2);\n\tmul_add_c(a[7],b[4],c3,c1,c2);\n\tr[11]=c3;\n\tc3=0;\n\tmul_add_c(a[7],b[5],c1,c2,c3);\n\tmul_add_c(a[6],b[6],c1,c2,c3);\n\tmul_add_c(a[5],b[7],c1,c2,c3);\n\tr[12]=c1;\n\tc1=0;\n\tmul_add_c(a[6],b[7],c2,c3,c1);\n\tmul_add_c(a[7],b[6],c2,c3,c1);\n\tr[13]=c2;\n\tc2=0;\n\tmul_add_c(a[7],b[7],c3,c1,c2);\n\tr[14]=c3;\n\tr[15]=c1;\n\t}'] |
8,165 | 0 | https://github.com/libav/libav/blob/2f99117f6ff24ce5be2abb9e014cb8b86c2aa0e0/libavcodec/bitstream.h/#L139 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | ['static int tscc2_decode_mb(TSCC2Context *c, int *q, int vlc_set,\n uint8_t *dst, int stride, int plane)\n{\n BitstreamContext *bc = &c->bc;\n int prev_dc, dc, nc, ac, bpos, val;\n int i, j, k, l;\n if (bitstream_read_bit(bc)) {\n if (bitstream_read_bit(bc)) {\n val = bitstream_read(bc, 8);\n for (i = 0; i < 8; i++, dst += stride)\n memset(dst, val, 16);\n } else {\n if (bitstream_bits_left(bc) < 16 * 8 * 8)\n return AVERROR_INVALIDDATA;\n for (i = 0; i < 8; i++) {\n for (j = 0; j < 16; j++)\n dst[j] = bitstream_read(bc, 8);\n dst += stride;\n }\n }\n return 0;\n }\n prev_dc = 0;\n for (j = 0; j < 2; j++) {\n for (k = 0; k < 4; k++) {\n if (!(j | k)) {\n dc = bitstream_read(bc, 8);\n } else {\n dc = bitstream_read_vlc(bc, c->dc_vlc.table, 9, 2);\n if (dc == -1)\n return AVERROR_INVALIDDATA;\n if (dc == 0x100)\n dc = bitstream_read(bc, 8);\n }\n dc = (dc + prev_dc) & 0xFF;\n prev_dc = dc;\n c->block[0] = dc;\n nc = bitstream_read_vlc(bc, c->nc_vlc[vlc_set].table, 9, 1);\n if (nc == -1)\n return AVERROR_INVALIDDATA;\n bpos = 1;\n memset(c->block + 1, 0, 15 * sizeof(*c->block));\n for (l = 0; l < nc; l++) {\n ac = bitstream_read_vlc(bc, c->ac_vlc[vlc_set].table, 9, 2);\n if (ac == -1)\n return AVERROR_INVALIDDATA;\n if (ac == 0x1000)\n ac = bitstream_read(bc, 12);\n bpos += ac & 0xF;\n if (bpos >= 16)\n return AVERROR_INVALIDDATA;\n val = sign_extend(ac >> 4, 8);\n c->block[ff_zigzag_scan[bpos++]] = val;\n }\n tscc2_idct4_put(c->block, q, dst + k * 4, stride);\n }\n dst += 4 * stride;\n }\n return 0;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
8,166 | 0 | https://github.com/openssl/openssl/blob/54d00677f305375eee65a0c9edb5f0980c5f020f/crypto/bn/bn_lib.c/#L232 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['static\nint ec_GF2m_simple_ladder_post(const EC_GROUP *group,\n EC_POINT *r, EC_POINT *s,\n EC_POINT *p, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *t0, *t1, *t2 = NULL;\n if (BN_is_zero(r->Z))\n return EC_POINT_set_to_infinity(group, r);\n if (BN_is_zero(s->Z)) {\n if (!EC_POINT_copy(r, p)\n || !EC_POINT_invert(group, r, ctx)) {\n ECerr(EC_F_EC_GF2M_SIMPLE_LADDER_POST, ERR_R_EC_LIB);\n return 0;\n }\n return 1;\n }\n BN_CTX_start(ctx);\n t0 = BN_CTX_get(ctx);\n t1 = BN_CTX_get(ctx);\n t2 = BN_CTX_get(ctx);\n if (t2 == NULL) {\n ECerr(EC_F_EC_GF2M_SIMPLE_LADDER_POST, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!group->meth->field_mul(group, t0, r->Z, s->Z, ctx)\n || !group->meth->field_mul(group, t1, p->X, r->Z, ctx)\n || !BN_GF2m_add(t1, r->X, t1)\n || !group->meth->field_mul(group, t2, p->X, s->Z, ctx)\n || !group->meth->field_mul(group, r->Z, r->X, t2, ctx)\n || !BN_GF2m_add(t2, t2, s->X)\n || !group->meth->field_mul(group, t1, t1, t2, ctx)\n || !group->meth->field_sqr(group, t2, p->X, ctx)\n || !BN_GF2m_add(t2, p->Y, t2)\n || !group->meth->field_mul(group, t2, t2, t0, ctx)\n || !BN_GF2m_add(t1, t2, t1)\n || !group->meth->field_mul(group, t2, p->X, t0, ctx)\n || !group->meth->field_inv(group, t2, t2, ctx)\n || !group->meth->field_mul(group, t1, t1, t2, ctx)\n || !group->meth->field_mul(group, r->X, r->Z, t2, ctx)\n || !BN_GF2m_add(t2, p->X, r->X)\n || !group->meth->field_mul(group, t2, t2, t1, ctx)\n || !BN_GF2m_add(r->Y, p->Y, t2)\n || !BN_one(r->Z))\n goto err;\n r->Z_is_one = 1;\n BN_set_negative(r->X, 0);\n BN_set_negative(r->Y, 0);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ret->flags &= (~BN_FLG_CONSTTIME);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'int BN_GF2m_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int i;\n const BIGNUM *at, *bt;\n bn_check_top(a);\n bn_check_top(b);\n if (a->top < b->top) {\n at = b;\n bt = a;\n } else {\n at = a;\n bt = b;\n }\n if (bn_wexpand(r, at->top) == NULL)\n return 0;\n for (i = 0; i < bt->top; i++) {\n r->d[i] = at->d[i] ^ bt->d[i];\n }\n for (; i < at->top; i++) {\n r->d[i] = at->d[i];\n }\n r->top = at->top;\n bn_correct_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
8,167 | 0 | https://github.com/openssl/openssl/blob/cdf516d988807671bfda18bad135b26c3fac8888/crypto/lhash/lhash.c/#L123 | void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | ['int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al)\n{\n SSL_SESSION *ret = NULL;\n int fatal = 0;\n int try_session_cache = 0;\n TICKET_RETURN r;\n if (SSL_IS_TLS13(s)) {\n if (!tls_parse_extension(s, TLSEXT_IDX_psk_kex_modes, EXT_CLIENT_HELLO,\n hello->pre_proc_exts, NULL, 0, al)\n || !tls_parse_extension(s, TLSEXT_IDX_psk, EXT_CLIENT_HELLO,\n hello->pre_proc_exts, NULL, 0, al))\n return -1;\n ret = s->session;\n } else {\n r = tls_get_ticket_from_client(s, hello, &ret);\n switch (r) {\n case TICKET_FATAL_ERR_MALLOC:\n case TICKET_FATAL_ERR_OTHER:\n fatal = 1;\n goto err;\n case TICKET_NONE:\n case TICKET_EMPTY:\n try_session_cache = 1;\n break;\n case TICKET_NO_DECRYPT:\n case TICKET_SUCCESS:\n case TICKET_SUCCESS_RENEW:\n break;\n }\n }\n if (try_session_cache &&\n ret == NULL &&\n !(s->session_ctx->session_cache_mode &\n SSL_SESS_CACHE_NO_INTERNAL_LOOKUP)) {\n SSL_SESSION data;\n data.ssl_version = s->version;\n memset(data.session_id, 0, sizeof(data.session_id));\n memcpy(data.session_id, hello->session_id, hello->session_id_len);\n data.session_id_length = hello->session_id_len;\n CRYPTO_THREAD_read_lock(s->session_ctx->lock);\n ret = lh_SSL_SESSION_retrieve(s->session_ctx->sessions, &data);\n if (ret != NULL) {\n SSL_SESSION_up_ref(ret);\n }\n CRYPTO_THREAD_unlock(s->session_ctx->lock);\n if (ret == NULL)\n s->session_ctx->stats.sess_miss++;\n }\n if (try_session_cache &&\n ret == NULL && s->session_ctx->get_session_cb != NULL) {\n int copy = 1;\n ret = s->session_ctx->get_session_cb(s, hello->session_id,\n hello->session_id_len,\n ©);\n if (ret != NULL) {\n s->session_ctx->stats.sess_cb_hit++;\n if (copy)\n SSL_SESSION_up_ref(ret);\n if (!\n (s->session_ctx->session_cache_mode &\n SSL_SESS_CACHE_NO_INTERNAL_STORE)) {\n if (SSL_CTX_add_session(s->session_ctx, ret))\n goto err;\n }\n }\n }\n if (ret == NULL)\n goto err;\n if (ret->ssl_version != s->version)\n goto err;\n if (ret->sid_ctx_length != s->sid_ctx_length\n || memcmp(ret->sid_ctx, s->sid_ctx, ret->sid_ctx_length)) {\n goto err;\n }\n if ((s->verify_mode & SSL_VERIFY_PEER) && s->sid_ctx_length == 0) {\n SSLerr(SSL_F_SSL_GET_PREV_SESSION,\n SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);\n fatal = 1;\n goto err;\n }\n if (ret->timeout < (long)(time(NULL) - ret->time)) {\n s->session_ctx->stats.sess_timeout++;\n if (try_session_cache) {\n SSL_CTX_remove_session(s->session_ctx, ret);\n }\n goto err;\n }\n if (ret->flags & SSL_SESS_FLAG_EXTMS) {\n if (!(s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS)) {\n SSLerr(SSL_F_SSL_GET_PREV_SESSION, SSL_R_INCONSISTENT_EXTMS);\n ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);\n fatal = 1;\n goto err;\n }\n } else if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) {\n goto err;\n }\n if (!SSL_IS_TLS13(s)) {\n SSL_SESSION_free(s->session);\n s->session = ret;\n }\n s->session_ctx->stats.sess_hit++;\n s->verify_result = s->session->verify_result;\n return 1;\n err:\n if (ret != NULL) {\n SSL_SESSION_free(ret);\n if (SSL_IS_TLS13(s))\n s->session = NULL;\n if (!try_session_cache) {\n s->ext.ticket_expected = 1;\n }\n }\n if (fatal) {\n *al = SSL_AD_INTERNAL_ERROR;\n return -1;\n }\n return 0;\n}', 'int ssl3_send_alert(SSL *s, int level, int desc)\n{\n desc = s->method->ssl3_enc->alert_value(desc);\n if (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)\n desc = SSL_AD_HANDSHAKE_FAILURE;\n if (desc < 0)\n return -1;\n if ((level == SSL3_AL_FATAL) && (s->session != NULL))\n SSL_CTX_remove_session(s->session_ctx, s->session);\n s->s3->alert_dispatch = 1;\n s->s3->send_alert[0] = level;\n s->s3->send_alert[1] = desc;\n if (!RECORD_LAYER_write_pending(&s->rlayer)) {\n return s->method->ssl_dispatch_alert(s);\n }\n return -1;\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n SSL_SESSION *r;\n int ret = 0;\n if ((c != NULL) && (c->session_id_length != 0)) {\n if (lck)\n CRYPTO_THREAD_write_lock(ctx->lock);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, c);\n SSL_SESSION_list_remove(ctx, c);\n }\n c->not_resumable = 1;\n if (lck)\n CRYPTO_THREAD_unlock(ctx->lock);\n if (ret)\n SSL_SESSION_free(r);\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, c);\n } else\n ret = 0;\n return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_no_delete++;\n return (NULL);\n } else {\n nn = *rn;\n *rn = nn->next;\n ret = nn->data;\n OPENSSL_free(nn);\n lh->num_delete++;\n }\n lh->num_items--;\n if ((lh->num_nodes > MIN_NODES) &&\n (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n contract(lh);\n return (ret);\n}'] |
8,168 | 0 | https://github.com/openssl/openssl/blob/40a706286febe0279336c96374c607daaa1b1d49/crypto/mem_dbg.c/#L678 | static void print_leak_doall_arg(const MEM *m, MEM_LEAK *l)
{
char buf[1024];
char *bufp = buf;
APP_INFO *amip;
int ami_cnt;
struct tm *lcl = NULL;
CRYPTO_THREADID tid;
#define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf))
if(m->addr == (char *)l->bio)
return;
if (options & V_CRYPTO_MDEBUG_TIME)
{
lcl = localtime(&m->time);
BIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ",
lcl->tm_hour,lcl->tm_min,lcl->tm_sec);
bufp += strlen(bufp);
}
BIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ",
m->order,m->file,m->line);
bufp += strlen(bufp);
if (options & V_CRYPTO_MDEBUG_THREAD)
{
BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ",
CRYPTO_THREADID_hash(&m->threadid));
bufp += strlen(bufp);
}
BIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%08lX\n",
m->num,(unsigned long)m->addr);
bufp += strlen(bufp);
BIO_puts(l->bio,buf);
l->chunks++;
l->bytes+=m->num;
amip=m->app_info;
ami_cnt=0;
if (!amip)
return;
CRYPTO_THREADID_set(&tid);
do
{
int buf_len;
int info_len;
ami_cnt++;
memset(buf,'>',ami_cnt);
BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt,
" thread=%lu, file=%s, line=%d, info=\"",
CRYPTO_THREADID_hash(&amip->threadid), amip->file, amip->line);
buf_len=strlen(buf);
info_len=strlen(amip->info);
if (128 - buf_len - 3 < info_len)
{
memcpy(buf + buf_len, amip->info, 128 - buf_len - 3);
buf_len = 128 - 3;
}
else
{
BUF_strlcpy(buf + buf_len, amip->info,
sizeof buf - buf_len);
buf_len = strlen(buf);
}
BIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\"\n");
BIO_puts(l->bio,buf);
amip = amip->next;
}
while(amip && !CRYPTO_THREADID_cmp(&amip->threadid, &tid));
#ifdef LEVITTE_DEBUG_MEM
if (amip)
{
fprintf(stderr, "Thread switch detected in backtrace!!!!\n");
abort();
}
#endif
} | ['static void print_leak_doall_arg(const MEM *m, MEM_LEAK *l)\n\t{\n\tchar buf[1024];\n\tchar *bufp = buf;\n\tAPP_INFO *amip;\n\tint ami_cnt;\n\tstruct tm *lcl = NULL;\n\tCRYPTO_THREADID tid;\n#define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf))\n\tif(m->addr == (char *)l->bio)\n\t return;\n\tif (options & V_CRYPTO_MDEBUG_TIME)\n\t\t{\n\t\tlcl = localtime(&m->time);\n\t\tBIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ",\n\t\t\tlcl->tm_hour,lcl->tm_min,lcl->tm_sec);\n\t\tbufp += strlen(bufp);\n\t\t}\n\tBIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ",\n\t\tm->order,m->file,m->line);\n\tbufp += strlen(bufp);\n\tif (options & V_CRYPTO_MDEBUG_THREAD)\n\t\t{\n\t\tBIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ",\n\t\t\tCRYPTO_THREADID_hash(&m->threadid));\n\t\tbufp += strlen(bufp);\n\t\t}\n\tBIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%08lX\\n",\n\t\tm->num,(unsigned long)m->addr);\n\tbufp += strlen(bufp);\n\tBIO_puts(l->bio,buf);\n\tl->chunks++;\n\tl->bytes+=m->num;\n\tamip=m->app_info;\n\tami_cnt=0;\n\tif (!amip)\n\t\treturn;\n\tCRYPTO_THREADID_set(&tid);\n\tdo\n\t\t{\n\t\tint buf_len;\n\t\tint info_len;\n\t\tami_cnt++;\n\t\tmemset(buf,\'>\',ami_cnt);\n\t\tBIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt,\n\t\t\t" thread=%lu, file=%s, line=%d, info=\\"",\n\t\t\tCRYPTO_THREADID_hash(&amip->threadid), amip->file, amip->line);\n\t\tbuf_len=strlen(buf);\n\t\tinfo_len=strlen(amip->info);\n\t\tif (128 - buf_len - 3 < info_len)\n\t\t\t{\n\t\t\tmemcpy(buf + buf_len, amip->info, 128 - buf_len - 3);\n\t\t\tbuf_len = 128 - 3;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBUF_strlcpy(buf + buf_len, amip->info,\n\t\t\t\t sizeof buf - buf_len);\n\t\t\tbuf_len = strlen(buf);\n\t\t\t}\n\t\tBIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\\"\\n");\n\t\tBIO_puts(l->bio,buf);\n\t\tamip = amip->next;\n\t\t}\n\twhile(amip && !CRYPTO_THREADID_cmp(&amip->threadid, &tid));\n#ifdef LEVITTE_DEBUG_MEM\n\tif (amip)\n\t\t{\n\t\tfprintf(stderr, "Thread switch detected in backtrace!!!!\\n");\n\t\tabort();\n\t\t}\n#endif\n\t}'] |
8,169 | 1 | https://gitlab.com/libtiff/libtiff/blob/b9b93f661ed56fda222ce686a6e6ef03ee84bc3d/libtiff/tif_dirread.c/#L4219 | int
TIFFReadDirectory(TIFF* tif)
{
static const char module[] = "TIFFReadDirectory";
TIFFDirEntry* dir;
uint16 dircount;
TIFFDirEntry* dp;
uint16 di;
const TIFFField* fip;
uint32 fii=FAILED_FII;
toff_t nextdiroff;
int bitspersample_read = FALSE;
int color_channels;
tif->tif_diroff=tif->tif_nextdiroff;
if (!TIFFCheckDirOffset(tif,tif->tif_nextdiroff))
return 0;
(*tif->tif_cleanup)(tif);
tif->tif_curdir++;
nextdiroff = tif->tif_nextdiroff;
dircount=TIFFFetchDirectory(tif,nextdiroff,&dir,&tif->tif_nextdiroff);
if (!dircount)
{
TIFFErrorExt(tif->tif_clientdata,module,
"Failed to read directory at offset " TIFF_UINT64_FORMAT,nextdiroff);
return 0;
}
TIFFReadDirectoryCheckOrder(tif,dir,dircount);
{
TIFFDirEntry* ma;
uint16 mb;
for (ma=dir, mb=0; mb<dircount; ma++, mb++)
{
TIFFDirEntry* na;
uint16 nb;
for (na=ma+1, nb=mb+1; nb<dircount; na++, nb++)
{
if (ma->tdir_tag==na->tdir_tag)
na->tdir_tag=IGNORE;
}
}
}
tif->tif_flags &= ~TIFF_BEENWRITING;
tif->tif_flags &= ~TIFF_BUF4WRITE;
TIFFFreeDirectory(tif);
TIFFDefaultDirectory(tif);
TIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG);
dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_SAMPLESPERPIXEL);
if (dp)
{
if (!TIFFFetchNormalTag(tif,dp,0))
goto bad;
dp->tdir_tag=IGNORE;
}
dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_COMPRESSION);
if (dp)
{
uint16 value;
enum TIFFReadDirEntryErr err;
err=TIFFReadDirEntryShort(tif,dp,&value);
if (err==TIFFReadDirEntryErrCount)
err=TIFFReadDirEntryPersampleShort(tif,dp,&value);
if (err!=TIFFReadDirEntryErrOk)
{
TIFFReadDirEntryOutputErr(tif,err,module,"Compression",0);
goto bad;
}
if (!TIFFSetField(tif,TIFFTAG_COMPRESSION,value))
goto bad;
dp->tdir_tag=IGNORE;
}
else
{
if (!TIFFSetField(tif,TIFFTAG_COMPRESSION,COMPRESSION_NONE))
goto bad;
}
for (di=0, dp=dir; di<dircount; di++, dp++)
{
if (dp->tdir_tag!=IGNORE)
{
TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
if (fii == FAILED_FII)
{
TIFFWarningExt(tif->tif_clientdata, module,
"Unknown field with tag %d (0x%x) encountered",
dp->tdir_tag,dp->tdir_tag);
if (!_TIFFMergeFields(tif,
_TIFFCreateAnonField(tif,
dp->tdir_tag,
(TIFFDataType) dp->tdir_type),
1)) {
TIFFWarningExt(tif->tif_clientdata,
module,
"Registering anonymous field with tag %d (0x%x) failed",
dp->tdir_tag,
dp->tdir_tag);
dp->tdir_tag=IGNORE;
} else {
TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
assert(fii != FAILED_FII);
}
}
}
if (dp->tdir_tag!=IGNORE)
{
fip=tif->tif_fields[fii];
if (fip->field_bit==FIELD_IGNORE)
dp->tdir_tag=IGNORE;
else
{
switch (dp->tdir_tag)
{
case TIFFTAG_STRIPOFFSETS:
case TIFFTAG_STRIPBYTECOUNTS:
case TIFFTAG_TILEOFFSETS:
case TIFFTAG_TILEBYTECOUNTS:
TIFFSetFieldBit(tif,fip->field_bit);
break;
case TIFFTAG_IMAGEWIDTH:
case TIFFTAG_IMAGELENGTH:
case TIFFTAG_IMAGEDEPTH:
case TIFFTAG_TILELENGTH:
case TIFFTAG_TILEWIDTH:
case TIFFTAG_TILEDEPTH:
case TIFFTAG_PLANARCONFIG:
case TIFFTAG_ROWSPERSTRIP:
case TIFFTAG_EXTRASAMPLES:
if (!TIFFFetchNormalTag(tif,dp,0))
goto bad;
dp->tdir_tag=IGNORE;
break;
default:
if( !_TIFFCheckFieldIsValidForCodec(tif, dp->tdir_tag) )
dp->tdir_tag=IGNORE;
break;
}
}
}
}
if ((tif->tif_dir.td_compression==COMPRESSION_OJPEG)&&
(tif->tif_dir.td_planarconfig==PLANARCONFIG_SEPARATE))
{
if (!_TIFFFillStriles(tif))
goto bad;
dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_STRIPOFFSETS);
if ((dp!=0)&&(dp->tdir_count==1))
{
dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,
TIFFTAG_STRIPBYTECOUNTS);
if ((dp!=0)&&(dp->tdir_count==1))
{
tif->tif_dir.td_planarconfig=PLANARCONFIG_CONTIG;
TIFFWarningExt(tif->tif_clientdata,module,
"Planarconfig tag value assumed incorrect, "
"assuming data is contig instead of chunky");
}
}
}
if (!TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))
{
MissingRequired(tif,"ImageLength");
goto bad;
}
if (!TIFFFieldSet(tif, FIELD_TILEDIMENSIONS)) {
tif->tif_dir.td_nstrips = TIFFNumberOfStrips(tif);
tif->tif_dir.td_tilewidth = tif->tif_dir.td_imagewidth;
tif->tif_dir.td_tilelength = tif->tif_dir.td_rowsperstrip;
tif->tif_dir.td_tiledepth = tif->tif_dir.td_imagedepth;
tif->tif_flags &= ~TIFF_ISTILED;
} else {
tif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);
tif->tif_flags |= TIFF_ISTILED;
}
if (!tif->tif_dir.td_nstrips) {
TIFFErrorExt(tif->tif_clientdata, module,
"Cannot handle zero number of %s",
isTiled(tif) ? "tiles" : "strips");
goto bad;
}
tif->tif_dir.td_stripsperimage = tif->tif_dir.td_nstrips;
if (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE)
tif->tif_dir.td_stripsperimage /= tif->tif_dir.td_samplesperpixel;
if (!TIFFFieldSet(tif, FIELD_STRIPOFFSETS)) {
#ifdef OJPEG_SUPPORT
if ((tif->tif_dir.td_compression==COMPRESSION_OJPEG) &&
(isTiled(tif)==0) &&
(tif->tif_dir.td_nstrips==1)) {
TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);
} else
#endif
{
MissingRequired(tif,
isTiled(tif) ? "TileOffsets" : "StripOffsets");
goto bad;
}
}
for (di=0, dp=dir; di<dircount; di++, dp++)
{
switch (dp->tdir_tag)
{
case IGNORE:
break;
case TIFFTAG_MINSAMPLEVALUE:
case TIFFTAG_MAXSAMPLEVALUE:
case TIFFTAG_BITSPERSAMPLE:
case TIFFTAG_DATATYPE:
case TIFFTAG_SAMPLEFORMAT:
{
uint16 value;
enum TIFFReadDirEntryErr err;
err=TIFFReadDirEntryShort(tif,dp,&value);
if (err==TIFFReadDirEntryErrCount)
err=TIFFReadDirEntryPersampleShort(tif,dp,&value);
if (err!=TIFFReadDirEntryErrOk)
{
fip = TIFFFieldWithTag(tif,dp->tdir_tag);
TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
goto bad;
}
if (!TIFFSetField(tif,dp->tdir_tag,value))
goto bad;
if( dp->tdir_tag == TIFFTAG_BITSPERSAMPLE )
bitspersample_read = TRUE;
}
break;
case TIFFTAG_SMINSAMPLEVALUE:
case TIFFTAG_SMAXSAMPLEVALUE:
{
double *data = NULL;
enum TIFFReadDirEntryErr err;
uint32 saved_flags;
int m;
if (dp->tdir_count != (uint64)tif->tif_dir.td_samplesperpixel)
err = TIFFReadDirEntryErrCount;
else
err = TIFFReadDirEntryDoubleArray(tif, dp, &data);
if (err!=TIFFReadDirEntryErrOk)
{
fip = TIFFFieldWithTag(tif,dp->tdir_tag);
TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
goto bad;
}
saved_flags = tif->tif_flags;
tif->tif_flags |= TIFF_PERSAMPLE;
m = TIFFSetField(tif,dp->tdir_tag,data);
tif->tif_flags = saved_flags;
_TIFFfree(data);
if (!m)
goto bad;
}
break;
case TIFFTAG_STRIPOFFSETS:
case TIFFTAG_TILEOFFSETS:
#if defined(DEFER_STRILE_LOAD)
_TIFFmemcpy( &(tif->tif_dir.td_stripoffset_entry),
dp, sizeof(TIFFDirEntry) );
#else
if( tif->tif_dir.td_stripoffset != NULL )
{
TIFFErrorExt(tif->tif_clientdata, module,
"tif->tif_dir.td_stripoffset is "
"already allocated. Likely duplicated "
"StripOffsets/TileOffsets tag");
goto bad;
}
if (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripoffset))
goto bad;
#endif
break;
case TIFFTAG_STRIPBYTECOUNTS:
case TIFFTAG_TILEBYTECOUNTS:
#if defined(DEFER_STRILE_LOAD)
_TIFFmemcpy( &(tif->tif_dir.td_stripbytecount_entry),
dp, sizeof(TIFFDirEntry) );
#else
if( tif->tif_dir.td_stripbytecount != NULL )
{
TIFFErrorExt(tif->tif_clientdata, module,
"tif->tif_dir.td_stripbytecount is "
"already allocated. Likely duplicated "
"StripByteCounts/TileByteCounts tag");
goto bad;
}
if (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripbytecount))
goto bad;
#endif
break;
case TIFFTAG_COLORMAP:
case TIFFTAG_TRANSFERFUNCTION:
{
enum TIFFReadDirEntryErr err;
uint32 countpersample;
uint32 countrequired;
uint32 incrementpersample;
uint16* value=NULL;
if( !bitspersample_read )
{
fip = TIFFFieldWithTag(tif,dp->tdir_tag);
TIFFWarningExt(tif->tif_clientdata,module,
"Ignoring %s since BitsPerSample tag not found",
fip ? fip->field_name : "unknown tagname");
continue;
}
if (tif->tif_dir.td_bitspersample > 24)
{
fip = TIFFFieldWithTag(tif,dp->tdir_tag);
TIFFWarningExt(tif->tif_clientdata,module,
"Ignoring %s because BitsPerSample=%d>24",
fip ? fip->field_name : "unknown tagname",
tif->tif_dir.td_bitspersample);
continue;
}
countpersample=(1U<<tif->tif_dir.td_bitspersample);
if ((dp->tdir_tag==TIFFTAG_TRANSFERFUNCTION)&&(dp->tdir_count==(uint64)countpersample))
{
countrequired=countpersample;
incrementpersample=0;
}
else
{
countrequired=3*countpersample;
incrementpersample=countpersample;
}
if (dp->tdir_count!=(uint64)countrequired)
err=TIFFReadDirEntryErrCount;
else
err=TIFFReadDirEntryShortArray(tif,dp,&value);
if (err!=TIFFReadDirEntryErrOk)
{
fip = TIFFFieldWithTag(tif,dp->tdir_tag);
TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",1);
}
else
{
TIFFSetField(tif,dp->tdir_tag,value,value+incrementpersample,value+2*incrementpersample);
_TIFFfree(value);
}
}
break;
case TIFFTAG_OSUBFILETYPE:
{
uint16 valueo;
uint32 value;
if (TIFFReadDirEntryShort(tif,dp,&valueo)==TIFFReadDirEntryErrOk)
{
switch (valueo)
{
case OFILETYPE_REDUCEDIMAGE: value=FILETYPE_REDUCEDIMAGE; break;
case OFILETYPE_PAGE: value=FILETYPE_PAGE; break;
default: value=0; break;
}
if (value!=0)
TIFFSetField(tif,TIFFTAG_SUBFILETYPE,value);
}
}
break;
default:
(void) TIFFFetchNormalTag(tif, dp, TRUE);
break;
}
}
if (tif->tif_dir.td_compression==COMPRESSION_OJPEG)
{
if (!TIFFFieldSet(tif,FIELD_PHOTOMETRIC))
{
TIFFWarningExt(tif->tif_clientdata, module,
"Photometric tag is missing, assuming data is YCbCr");
if (!TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,PHOTOMETRIC_YCBCR))
goto bad;
}
else if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)
{
tif->tif_dir.td_photometric=PHOTOMETRIC_YCBCR;
TIFFWarningExt(tif->tif_clientdata, module,
"Photometric tag value assumed incorrect, "
"assuming data is YCbCr instead of RGB");
}
if (!TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))
{
TIFFWarningExt(tif->tif_clientdata,module,
"BitsPerSample tag is missing, assuming 8 bits per sample");
if (!TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,8))
goto bad;
}
if (!TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))
{
if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)
{
TIFFWarningExt(tif->tif_clientdata,module,
"SamplesPerPixel tag is missing, "
"assuming correct SamplesPerPixel value is 3");
if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))
goto bad;
}
if (tif->tif_dir.td_photometric==PHOTOMETRIC_YCBCR)
{
TIFFWarningExt(tif->tif_clientdata,module,
"SamplesPerPixel tag is missing, "
"applying correct SamplesPerPixel value of 3");
if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))
goto bad;
}
else if ((tif->tif_dir.td_photometric==PHOTOMETRIC_MINISWHITE)
|| (tif->tif_dir.td_photometric==PHOTOMETRIC_MINISBLACK))
{
if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,1))
goto bad;
}
}
}
color_channels = _TIFFGetMaxColorChannels(tif->tif_dir.td_photometric);
if (color_channels && tif->tif_dir.td_samplesperpixel - tif->tif_dir.td_extrasamples > color_channels) {
uint16 old_extrasamples;
uint16 *new_sampleinfo;
TIFFWarningExt(tif->tif_clientdata,module, "Sum of Photometric type-related "
"color channels and ExtraSamples doesn't match SamplesPerPixel. "
"Defining non-color channels as ExtraSamples.");
old_extrasamples = tif->tif_dir.td_extrasamples;
tif->tif_dir.td_extrasamples = (uint16) (tif->tif_dir.td_samplesperpixel - color_channels);
new_sampleinfo = (uint16*) _TIFFcalloc(tif->tif_dir.td_extrasamples, sizeof(uint16));
if (!new_sampleinfo) {
TIFFErrorExt(tif->tif_clientdata, module, "Failed to allocate memory for "
"temporary new sampleinfo array (%d 16 bit elements)",
tif->tif_dir.td_extrasamples);
goto bad;
}
memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16));
_TIFFsetShortArray(&tif->tif_dir.td_sampleinfo, new_sampleinfo, tif->tif_dir.td_extrasamples);
_TIFFfree(new_sampleinfo);
}
if (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE &&
!TIFFFieldSet(tif, FIELD_COLORMAP)) {
if ( tif->tif_dir.td_bitspersample>=8 && tif->tif_dir.td_samplesperpixel==3)
tif->tif_dir.td_photometric = PHOTOMETRIC_RGB;
else if (tif->tif_dir.td_bitspersample>=8)
tif->tif_dir.td_photometric = PHOTOMETRIC_MINISBLACK;
else {
MissingRequired(tif, "Colormap");
goto bad;
}
}
if (tif->tif_dir.td_compression!=COMPRESSION_OJPEG)
{
if (!TIFFFieldSet(tif, FIELD_STRIPBYTECOUNTS)) {
if ((tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&
tif->tif_dir.td_nstrips > 1) ||
(tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE &&
tif->tif_dir.td_nstrips != (uint32)tif->tif_dir.td_samplesperpixel)) {
MissingRequired(tif, "StripByteCounts");
goto bad;
}
TIFFWarningExt(tif->tif_clientdata, module,
"TIFF directory is missing required "
"\"StripByteCounts\" field, calculating from imagelength");
if (EstimateStripByteCounts(tif, dir, dircount) < 0)
goto bad;
#define BYTECOUNTLOOKSBAD \
( (tif->tif_dir.td_stripbytecount[0] == 0 && tif->tif_dir.td_stripoffset[0] != 0) || \
(tif->tif_dir.td_compression == COMPRESSION_NONE && \
(tif->tif_dir.td_stripoffset[0] <= TIFFGetFileSize(tif) && \
tif->tif_dir.td_stripbytecount[0] > TIFFGetFileSize(tif) - tif->tif_dir.td_stripoffset[0])) || \
(tif->tif_mode == O_RDONLY && \
tif->tif_dir.td_compression == COMPRESSION_NONE && \
tif->tif_dir.td_stripbytecount[0] < TIFFScanlineSize64(tif) * tif->tif_dir.td_imagelength) )
} else if (tif->tif_dir.td_nstrips == 1
&& !(tif->tif_flags&TIFF_ISTILED)
&& _TIFFFillStriles(tif)
&& tif->tif_dir.td_stripoffset[0] != 0
&& BYTECOUNTLOOKSBAD) {
TIFFWarningExt(tif->tif_clientdata, module,
"Bogus \"StripByteCounts\" field, ignoring and calculating from imagelength");
if(EstimateStripByteCounts(tif, dir, dircount) < 0)
goto bad;
#if !defined(DEFER_STRILE_LOAD)
} else if (tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG
&& tif->tif_dir.td_nstrips > 2
&& tif->tif_dir.td_compression == COMPRESSION_NONE
&& tif->tif_dir.td_stripbytecount[0] != tif->tif_dir.td_stripbytecount[1]
&& tif->tif_dir.td_stripbytecount[0] != 0
&& tif->tif_dir.td_stripbytecount[1] != 0 ) {
TIFFWarningExt(tif->tif_clientdata, module,
"Wrong \"StripByteCounts\" field, ignoring and calculating from imagelength");
if (EstimateStripByteCounts(tif, dir, dircount) < 0)
goto bad;
#endif
}
}
if (dir)
{
_TIFFfree(dir);
dir=NULL;
}
if (!TIFFFieldSet(tif, FIELD_MAXSAMPLEVALUE))
{
if (tif->tif_dir.td_bitspersample>=16)
tif->tif_dir.td_maxsamplevalue=0xFFFF;
else
tif->tif_dir.td_maxsamplevalue = (uint16)((1L<<tif->tif_dir.td_bitspersample)-1);
}
#if !defined(DEFER_STRILE_LOAD)
if (tif->tif_dir.td_nstrips > 1) {
uint32 strip;
tif->tif_dir.td_stripbytecountsorted = 1;
for (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) {
if (tif->tif_dir.td_stripoffset[strip - 1] >
tif->tif_dir.td_stripoffset[strip]) {
tif->tif_dir.td_stripbytecountsorted = 0;
break;
}
}
}
#endif
(*tif->tif_fixuptags)(tif);
if ((tif->tif_dir.td_planarconfig==PLANARCONFIG_CONTIG)&&
(tif->tif_dir.td_nstrips==1)&&
(tif->tif_dir.td_compression==COMPRESSION_NONE)&&
((tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED))==TIFF_STRIPCHOP))
{
if ( !_TIFFFillStriles(tif) || !tif->tif_dir.td_stripbytecount )
return 0;
ChopUpSingleUncompressedStrip(tif);
}
if( tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&
tif->tif_dir.td_compression == COMPRESSION_NONE &&
(tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED)) == TIFF_STRIPCHOP &&
TIFFStripSize64(tif) > 0x7FFFFFFFUL )
{
if ( !_TIFFFillStriles(tif) || !tif->tif_dir.td_stripbytecount )
return 0;
TryChopUpUncompressedBigTiff(tif);
}
tif->tif_flags &= ~TIFF_DIRTYDIRECT;
tif->tif_flags &= ~TIFF_DIRTYSTRIP;
tif->tif_row = (uint32) -1;
tif->tif_curstrip = (uint32) -1;
tif->tif_col = (uint32) -1;
tif->tif_curtile = (uint32) -1;
tif->tif_tilesize = (tmsize_t) -1;
tif->tif_scanlinesize = TIFFScanlineSize(tif);
if (!tif->tif_scanlinesize) {
TIFFErrorExt(tif->tif_clientdata, module,
"Cannot handle zero scanline size");
return (0);
}
if (isTiled(tif)) {
tif->tif_tilesize = TIFFTileSize(tif);
if (!tif->tif_tilesize) {
TIFFErrorExt(tif->tif_clientdata, module,
"Cannot handle zero tile size");
return (0);
}
} else {
if (!TIFFStripSize(tif)) {
TIFFErrorExt(tif->tif_clientdata, module,
"Cannot handle zero strip size");
return (0);
}
}
return (1);
bad:
if (dir)
_TIFFfree(dir);
return (0);
} | ['int\nTIFFReadDirectory(TIFF* tif)\n{\n\tstatic const char module[] = "TIFFReadDirectory";\n\tTIFFDirEntry* dir;\n\tuint16 dircount;\n\tTIFFDirEntry* dp;\n\tuint16 di;\n\tconst TIFFField* fip;\n\tuint32 fii=FAILED_FII;\n toff_t nextdiroff;\n int bitspersample_read = FALSE;\n int color_channels;\n\ttif->tif_diroff=tif->tif_nextdiroff;\n\tif (!TIFFCheckDirOffset(tif,tif->tif_nextdiroff))\n\t\treturn 0;\n\t(*tif->tif_cleanup)(tif);\n\ttif->tif_curdir++;\n nextdiroff = tif->tif_nextdiroff;\n\tdircount=TIFFFetchDirectory(tif,nextdiroff,&dir,&tif->tif_nextdiroff);\n\tif (!dircount)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t "Failed to read directory at offset " TIFF_UINT64_FORMAT,nextdiroff);\n\t\treturn 0;\n\t}\n\tTIFFReadDirectoryCheckOrder(tif,dir,dircount);\n\t{\n\t\tTIFFDirEntry* ma;\n\t\tuint16 mb;\n\t\tfor (ma=dir, mb=0; mb<dircount; ma++, mb++)\n\t\t{\n\t\t\tTIFFDirEntry* na;\n\t\t\tuint16 nb;\n\t\t\tfor (na=ma+1, nb=mb+1; nb<dircount; na++, nb++)\n\t\t\t{\n\t\t\t\tif (ma->tdir_tag==na->tdir_tag)\n\t\t\t\t\tna->tdir_tag=IGNORE;\n\t\t\t}\n\t\t}\n\t}\n\ttif->tif_flags &= ~TIFF_BEENWRITING;\n\ttif->tif_flags &= ~TIFF_BUF4WRITE;\n\tTIFFFreeDirectory(tif);\n\tTIFFDefaultDirectory(tif);\n\tTIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG);\n\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_SAMPLESPERPIXEL);\n\tif (dp)\n\t{\n\t\tif (!TIFFFetchNormalTag(tif,dp,0))\n\t\t\tgoto bad;\n\t\tdp->tdir_tag=IGNORE;\n\t}\n\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_COMPRESSION);\n\tif (dp)\n\t{\n\t\tuint16 value;\n\t\tenum TIFFReadDirEntryErr err;\n\t\terr=TIFFReadDirEntryShort(tif,dp,&value);\n\t\tif (err==TIFFReadDirEntryErrCount)\n\t\t\terr=TIFFReadDirEntryPersampleShort(tif,dp,&value);\n\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t{\n\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,"Compression",0);\n\t\t\tgoto bad;\n\t\t}\n\t\tif (!TIFFSetField(tif,TIFFTAG_COMPRESSION,value))\n\t\t\tgoto bad;\n\t\tdp->tdir_tag=IGNORE;\n\t}\n\telse\n\t{\n\t\tif (!TIFFSetField(tif,TIFFTAG_COMPRESSION,COMPRESSION_NONE))\n\t\t\tgoto bad;\n\t}\n\tfor (di=0, dp=dir; di<dircount; di++, dp++)\n\t{\n\t\tif (dp->tdir_tag!=IGNORE)\n\t\t{\n\t\t\tTIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);\n\t\t\tif (fii == FAILED_FII)\n\t\t\t{\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t\t "Unknown field with tag %d (0x%x) encountered",\n\t\t\t\t dp->tdir_tag,dp->tdir_tag);\n\t\t\t\tif (!_TIFFMergeFields(tif,\n\t\t\t\t\t_TIFFCreateAnonField(tif,\n\t\t\t\t\t\tdp->tdir_tag,\n\t\t\t\t\t\t(TIFFDataType) dp->tdir_type),\n\t\t\t\t\t1)) {\n\t\t\t\t\tTIFFWarningExt(tif->tif_clientdata,\n\t\t\t\t\t module,\n\t\t\t\t\t "Registering anonymous field with tag %d (0x%x) failed",\n\t\t\t\t\t dp->tdir_tag,\n\t\t\t\t\t dp->tdir_tag);\n\t\t\t\t\tdp->tdir_tag=IGNORE;\n\t\t\t\t} else {\n\t\t\t\t\tTIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);\n\t\t\t\t\tassert(fii != FAILED_FII);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (dp->tdir_tag!=IGNORE)\n\t\t{\n\t\t\tfip=tif->tif_fields[fii];\n\t\t\tif (fip->field_bit==FIELD_IGNORE)\n\t\t\t\tdp->tdir_tag=IGNORE;\n\t\t\telse\n\t\t\t{\n\t\t\t\tswitch (dp->tdir_tag)\n\t\t\t\t{\n\t\t\t\t\tcase TIFFTAG_STRIPOFFSETS:\n\t\t\t\t\tcase TIFFTAG_STRIPBYTECOUNTS:\n\t\t\t\t\tcase TIFFTAG_TILEOFFSETS:\n\t\t\t\t\tcase TIFFTAG_TILEBYTECOUNTS:\n\t\t\t\t\t\tTIFFSetFieldBit(tif,fip->field_bit);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase TIFFTAG_IMAGEWIDTH:\n\t\t\t\t\tcase TIFFTAG_IMAGELENGTH:\n\t\t\t\t\tcase TIFFTAG_IMAGEDEPTH:\n\t\t\t\t\tcase TIFFTAG_TILELENGTH:\n\t\t\t\t\tcase TIFFTAG_TILEWIDTH:\n\t\t\t\t\tcase TIFFTAG_TILEDEPTH:\n\t\t\t\t\tcase TIFFTAG_PLANARCONFIG:\n\t\t\t\t\tcase TIFFTAG_ROWSPERSTRIP:\n\t\t\t\t\tcase TIFFTAG_EXTRASAMPLES:\n\t\t\t\t\t\tif (!TIFFFetchNormalTag(tif,dp,0))\n\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\tdp->tdir_tag=IGNORE;\n\t\t\t\t\t\tbreak;\n default:\n if( !_TIFFCheckFieldIsValidForCodec(tif, dp->tdir_tag) )\n dp->tdir_tag=IGNORE;\n break;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tif ((tif->tif_dir.td_compression==COMPRESSION_OJPEG)&&\n\t (tif->tif_dir.td_planarconfig==PLANARCONFIG_SEPARATE))\n\t{\n if (!_TIFFFillStriles(tif))\n goto bad;\n\t\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_STRIPOFFSETS);\n\t\tif ((dp!=0)&&(dp->tdir_count==1))\n\t\t{\n\t\t\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,\n\t\t\t TIFFTAG_STRIPBYTECOUNTS);\n\t\t\tif ((dp!=0)&&(dp->tdir_count==1))\n\t\t\t{\n\t\t\t\ttif->tif_dir.td_planarconfig=PLANARCONFIG_CONTIG;\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t "Planarconfig tag value assumed incorrect, "\n\t\t\t\t "assuming data is contig instead of chunky");\n\t\t\t}\n\t\t}\n\t}\n\tif (!TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))\n\t{\n\t\tMissingRequired(tif,"ImageLength");\n\t\tgoto bad;\n\t}\n\tif (!TIFFFieldSet(tif, FIELD_TILEDIMENSIONS)) {\n\t\ttif->tif_dir.td_nstrips = TIFFNumberOfStrips(tif);\n\t\ttif->tif_dir.td_tilewidth = tif->tif_dir.td_imagewidth;\n\t\ttif->tif_dir.td_tilelength = tif->tif_dir.td_rowsperstrip;\n\t\ttif->tif_dir.td_tiledepth = tif->tif_dir.td_imagedepth;\n\t\ttif->tif_flags &= ~TIFF_ISTILED;\n\t} else {\n\t\ttif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);\n\t\ttif->tif_flags |= TIFF_ISTILED;\n\t}\n\tif (!tif->tif_dir.td_nstrips) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t "Cannot handle zero number of %s",\n\t\t isTiled(tif) ? "tiles" : "strips");\n\t\tgoto bad;\n\t}\n\ttif->tif_dir.td_stripsperimage = tif->tif_dir.td_nstrips;\n\tif (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\ttif->tif_dir.td_stripsperimage /= tif->tif_dir.td_samplesperpixel;\n\tif (!TIFFFieldSet(tif, FIELD_STRIPOFFSETS)) {\n#ifdef OJPEG_SUPPORT\n\t\tif ((tif->tif_dir.td_compression==COMPRESSION_OJPEG) &&\n\t\t (isTiled(tif)==0) &&\n\t\t (tif->tif_dir.td_nstrips==1)) {\n\t\t\tTIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);\n\t\t} else\n#endif\n {\n\t\t\tMissingRequired(tif,\n\t\t\t\tisTiled(tif) ? "TileOffsets" : "StripOffsets");\n\t\t\tgoto bad;\n\t\t}\n\t}\n\tfor (di=0, dp=dir; di<dircount; di++, dp++)\n\t{\n\t\tswitch (dp->tdir_tag)\n\t\t{\n\t\t\tcase IGNORE:\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_MINSAMPLEVALUE:\n\t\t\tcase TIFFTAG_MAXSAMPLEVALUE:\n\t\t\tcase TIFFTAG_BITSPERSAMPLE:\n\t\t\tcase TIFFTAG_DATATYPE:\n\t\t\tcase TIFFTAG_SAMPLEFORMAT:\n\t\t\t\t{\n\t\t\t\t\tuint16 value;\n\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\terr=TIFFReadDirEntryShort(tif,dp,&value);\n\t\t\t\t\tif (err==TIFFReadDirEntryErrCount)\n\t\t\t\t\t\terr=TIFFReadDirEntryPersampleShort(tif,dp,&value);\n\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t{\n\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tif (!TIFFSetField(tif,dp->tdir_tag,value))\n\t\t\t\t\t\tgoto bad;\n if( dp->tdir_tag == TIFFTAG_BITSPERSAMPLE )\n bitspersample_read = TRUE;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_SMINSAMPLEVALUE:\n\t\t\tcase TIFFTAG_SMAXSAMPLEVALUE:\n\t\t\t\t{\n\t\t\t\t\tdouble *data = NULL;\n\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\tuint32 saved_flags;\n\t\t\t\t\tint m;\n\t\t\t\t\tif (dp->tdir_count != (uint64)tif->tif_dir.td_samplesperpixel)\n\t\t\t\t\t\terr = TIFFReadDirEntryErrCount;\n\t\t\t\t\telse\n\t\t\t\t\t\terr = TIFFReadDirEntryDoubleArray(tif, dp, &data);\n\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t{\n\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tsaved_flags = tif->tif_flags;\n\t\t\t\t\ttif->tif_flags |= TIFF_PERSAMPLE;\n\t\t\t\t\tm = TIFFSetField(tif,dp->tdir_tag,data);\n\t\t\t\t\ttif->tif_flags = saved_flags;\n\t\t\t\t\t_TIFFfree(data);\n\t\t\t\t\tif (!m)\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_STRIPOFFSETS:\n\t\t\tcase TIFFTAG_TILEOFFSETS:\n#if defined(DEFER_STRILE_LOAD)\n _TIFFmemcpy( &(tif->tif_dir.td_stripoffset_entry),\n dp, sizeof(TIFFDirEntry) );\n#else\n if( tif->tif_dir.td_stripoffset != NULL )\n {\n TIFFErrorExt(tif->tif_clientdata, module,\n "tif->tif_dir.td_stripoffset is "\n "already allocated. Likely duplicated "\n "StripOffsets/TileOffsets tag");\n goto bad;\n }\n\t\t\t\tif (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripoffset))\n\t\t\t\t\tgoto bad;\n#endif\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_STRIPBYTECOUNTS:\n\t\t\tcase TIFFTAG_TILEBYTECOUNTS:\n#if defined(DEFER_STRILE_LOAD)\n _TIFFmemcpy( &(tif->tif_dir.td_stripbytecount_entry),\n dp, sizeof(TIFFDirEntry) );\n#else\n if( tif->tif_dir.td_stripbytecount != NULL )\n {\n TIFFErrorExt(tif->tif_clientdata, module,\n "tif->tif_dir.td_stripbytecount is "\n "already allocated. Likely duplicated "\n "StripByteCounts/TileByteCounts tag");\n goto bad;\n }\n if (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripbytecount))\n\t\t\t\t\tgoto bad;\n#endif\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_COLORMAP:\n\t\t\tcase TIFFTAG_TRANSFERFUNCTION:\n\t\t\t\t{\n\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\tuint32 countpersample;\n\t\t\t\t\tuint32 countrequired;\n\t\t\t\t\tuint32 incrementpersample;\n\t\t\t\t\tuint16* value=NULL;\n if( !bitspersample_read )\n {\n fip = TIFFFieldWithTag(tif,dp->tdir_tag);\n TIFFWarningExt(tif->tif_clientdata,module,\n "Ignoring %s since BitsPerSample tag not found",\n fip ? fip->field_name : "unknown tagname");\n continue;\n }\n\t\t\t\t\tif (tif->tif_dir.td_bitspersample > 24)\n\t\t\t\t\t{\n\t\t\t\t\t fip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t TIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t\t\t"Ignoring %s because BitsPerSample=%d>24",\n\t\t\t\t\t\tfip ? fip->field_name : "unknown tagname",\n\t\t\t\t\t\ttif->tif_dir.td_bitspersample);\n\t\t\t\t\t continue;\n\t\t\t\t\t}\n\t\t\t\t\tcountpersample=(1U<<tif->tif_dir.td_bitspersample);\n\t\t\t\t\tif ((dp->tdir_tag==TIFFTAG_TRANSFERFUNCTION)&&(dp->tdir_count==(uint64)countpersample))\n\t\t\t\t\t{\n\t\t\t\t\t\tcountrequired=countpersample;\n\t\t\t\t\t\tincrementpersample=0;\n\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\t\tcountrequired=3*countpersample;\n\t\t\t\t\t\tincrementpersample=countpersample;\n\t\t\t\t\t}\n\t\t\t\t\tif (dp->tdir_count!=(uint64)countrequired)\n\t\t\t\t\t\terr=TIFFReadDirEntryErrCount;\n\t\t\t\t\telse\n\t\t\t\t\t\terr=TIFFReadDirEntryShortArray(tif,dp,&value);\n\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n {\n\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",1);\n }\n\t\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\t\tTIFFSetField(tif,dp->tdir_tag,value,value+incrementpersample,value+2*incrementpersample);\n\t\t\t\t\t\t_TIFFfree(value);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_OSUBFILETYPE:\n\t\t\t\t{\n\t\t\t\t\tuint16 valueo;\n\t\t\t\t\tuint32 value;\n\t\t\t\t\tif (TIFFReadDirEntryShort(tif,dp,&valueo)==TIFFReadDirEntryErrOk)\n\t\t\t\t\t{\n\t\t\t\t\t\tswitch (valueo)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcase OFILETYPE_REDUCEDIMAGE: value=FILETYPE_REDUCEDIMAGE; break;\n\t\t\t\t\t\t\tcase OFILETYPE_PAGE: value=FILETYPE_PAGE; break;\n\t\t\t\t\t\t\tdefault: value=0; break;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (value!=0)\n\t\t\t\t\t\t\tTIFFSetField(tif,TIFFTAG_SUBFILETYPE,value);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\t(void) TIFFFetchNormalTag(tif, dp, TRUE);\n\t\t\t\tbreak;\n\t\t}\n\t}\n\tif (tif->tif_dir.td_compression==COMPRESSION_OJPEG)\n\t{\n\t\tif (!TIFFFieldSet(tif,FIELD_PHOTOMETRIC))\n\t\t{\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t "Photometric tag is missing, assuming data is YCbCr");\n\t\t\tif (!TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,PHOTOMETRIC_YCBCR))\n\t\t\t\tgoto bad;\n\t\t}\n\t\telse if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)\n\t\t{\n\t\t\ttif->tif_dir.td_photometric=PHOTOMETRIC_YCBCR;\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t "Photometric tag value assumed incorrect, "\n\t\t\t "assuming data is YCbCr instead of RGB");\n\t\t}\n\t\tif (!TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))\n\t\t{\n\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t "BitsPerSample tag is missing, assuming 8 bits per sample");\n\t\t\tif (!TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,8))\n\t\t\t\tgoto bad;\n\t\t}\n\t\tif (!TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))\n\t\t{\n\t\t\tif (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)\n\t\t\t{\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t "SamplesPerPixel tag is missing, "\n\t\t\t\t "assuming correct SamplesPerPixel value is 3");\n\t\t\t\tif (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (tif->tif_dir.td_photometric==PHOTOMETRIC_YCBCR)\n\t\t\t{\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t "SamplesPerPixel tag is missing, "\n\t\t\t\t "applying correct SamplesPerPixel value of 3");\n\t\t\t\tif (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\telse if ((tif->tif_dir.td_photometric==PHOTOMETRIC_MINISWHITE)\n\t\t\t\t || (tif->tif_dir.td_photometric==PHOTOMETRIC_MINISBLACK))\n\t\t\t{\n\t\t\t\tif (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,1))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t}\n\t}\n color_channels = _TIFFGetMaxColorChannels(tif->tif_dir.td_photometric);\n if (color_channels && tif->tif_dir.td_samplesperpixel - tif->tif_dir.td_extrasamples > color_channels) {\n uint16 old_extrasamples;\n uint16 *new_sampleinfo;\n TIFFWarningExt(tif->tif_clientdata,module, "Sum of Photometric type-related "\n "color channels and ExtraSamples doesn\'t match SamplesPerPixel. "\n "Defining non-color channels as ExtraSamples.");\n old_extrasamples = tif->tif_dir.td_extrasamples;\n tif->tif_dir.td_extrasamples = (uint16) (tif->tif_dir.td_samplesperpixel - color_channels);\n new_sampleinfo = (uint16*) _TIFFcalloc(tif->tif_dir.td_extrasamples, sizeof(uint16));\n if (!new_sampleinfo) {\n TIFFErrorExt(tif->tif_clientdata, module, "Failed to allocate memory for "\n "temporary new sampleinfo array (%d 16 bit elements)",\n tif->tif_dir.td_extrasamples);\n goto bad;\n }\n memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16));\n _TIFFsetShortArray(&tif->tif_dir.td_sampleinfo, new_sampleinfo, tif->tif_dir.td_extrasamples);\n _TIFFfree(new_sampleinfo);\n }\n\tif (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE &&\n\t !TIFFFieldSet(tif, FIELD_COLORMAP)) {\n\t\tif ( tif->tif_dir.td_bitspersample>=8 && tif->tif_dir.td_samplesperpixel==3)\n\t\t\ttif->tif_dir.td_photometric = PHOTOMETRIC_RGB;\n\t\telse if (tif->tif_dir.td_bitspersample>=8)\n\t\t\ttif->tif_dir.td_photometric = PHOTOMETRIC_MINISBLACK;\n\t\telse {\n\t\t\tMissingRequired(tif, "Colormap");\n\t\t\tgoto bad;\n\t\t}\n\t}\n\tif (tif->tif_dir.td_compression!=COMPRESSION_OJPEG)\n\t{\n\t\tif (!TIFFFieldSet(tif, FIELD_STRIPBYTECOUNTS)) {\n\t\t\tif ((tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&\n\t\t\t tif->tif_dir.td_nstrips > 1) ||\n\t\t\t (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE &&\n\t\t\t tif->tif_dir.td_nstrips != (uint32)tif->tif_dir.td_samplesperpixel)) {\n\t\t\t MissingRequired(tif, "StripByteCounts");\n\t\t\t goto bad;\n\t\t\t}\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t\t"TIFF directory is missing required "\n\t\t\t\t"\\"StripByteCounts\\" field, calculating from imagelength");\n\t\t\tif (EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t goto bad;\n\t\t#define\tBYTECOUNTLOOKSBAD \\\n\t\t ( (tif->tif_dir.td_stripbytecount[0] == 0 && tif->tif_dir.td_stripoffset[0] != 0) || \\\n\t\t (tif->tif_dir.td_compression == COMPRESSION_NONE && \\\n\t\t (tif->tif_dir.td_stripoffset[0] <= TIFFGetFileSize(tif) && \\\n\t\t tif->tif_dir.td_stripbytecount[0] > TIFFGetFileSize(tif) - tif->tif_dir.td_stripoffset[0])) || \\\n\t\t (tif->tif_mode == O_RDONLY && \\\n\t\t tif->tif_dir.td_compression == COMPRESSION_NONE && \\\n\t\t tif->tif_dir.td_stripbytecount[0] < TIFFScanlineSize64(tif) * tif->tif_dir.td_imagelength) )\n\t\t} else if (tif->tif_dir.td_nstrips == 1\n && !(tif->tif_flags&TIFF_ISTILED)\n && _TIFFFillStriles(tif)\n\t\t\t && tif->tif_dir.td_stripoffset[0] != 0\n\t\t\t && BYTECOUNTLOOKSBAD) {\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t "Bogus \\"StripByteCounts\\" field, ignoring and calculating from imagelength");\n\t\t\tif(EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t goto bad;\n#if !defined(DEFER_STRILE_LOAD)\n\t\t} else if (tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG\n\t\t\t && tif->tif_dir.td_nstrips > 2\n\t\t\t && tif->tif_dir.td_compression == COMPRESSION_NONE\n\t\t\t && tif->tif_dir.td_stripbytecount[0] != tif->tif_dir.td_stripbytecount[1]\n\t\t\t && tif->tif_dir.td_stripbytecount[0] != 0\n\t\t\t && tif->tif_dir.td_stripbytecount[1] != 0 ) {\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t "Wrong \\"StripByteCounts\\" field, ignoring and calculating from imagelength");\n\t\t\tif (EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t goto bad;\n#endif\n\t\t}\n\t}\n\tif (dir)\n\t{\n\t\t_TIFFfree(dir);\n\t\tdir=NULL;\n\t}\n\tif (!TIFFFieldSet(tif, FIELD_MAXSAMPLEVALUE))\n\t{\n\t\tif (tif->tif_dir.td_bitspersample>=16)\n\t\t\ttif->tif_dir.td_maxsamplevalue=0xFFFF;\n\t\telse\n\t\t\ttif->tif_dir.td_maxsamplevalue = (uint16)((1L<<tif->tif_dir.td_bitspersample)-1);\n\t}\n#if !defined(DEFER_STRILE_LOAD)\n\tif (tif->tif_dir.td_nstrips > 1) {\n\t\tuint32 strip;\n\t\ttif->tif_dir.td_stripbytecountsorted = 1;\n\t\tfor (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) {\n\t\t\tif (tif->tif_dir.td_stripoffset[strip - 1] >\n\t\t\t tif->tif_dir.td_stripoffset[strip]) {\n\t\t\t\ttif->tif_dir.td_stripbytecountsorted = 0;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n#endif\n\t(*tif->tif_fixuptags)(tif);\n\tif ((tif->tif_dir.td_planarconfig==PLANARCONFIG_CONTIG)&&\n\t (tif->tif_dir.td_nstrips==1)&&\n\t (tif->tif_dir.td_compression==COMPRESSION_NONE)&&\n\t ((tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED))==TIFF_STRIPCHOP))\n {\n if ( !_TIFFFillStriles(tif) || !tif->tif_dir.td_stripbytecount )\n return 0;\n\t\tChopUpSingleUncompressedStrip(tif);\n }\n if( tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&\n tif->tif_dir.td_compression == COMPRESSION_NONE &&\n (tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED)) == TIFF_STRIPCHOP &&\n TIFFStripSize64(tif) > 0x7FFFFFFFUL )\n {\n if ( !_TIFFFillStriles(tif) || !tif->tif_dir.td_stripbytecount )\n return 0;\n TryChopUpUncompressedBigTiff(tif);\n }\n\ttif->tif_flags &= ~TIFF_DIRTYDIRECT;\n\ttif->tif_flags &= ~TIFF_DIRTYSTRIP;\n\ttif->tif_row = (uint32) -1;\n\ttif->tif_curstrip = (uint32) -1;\n\ttif->tif_col = (uint32) -1;\n\ttif->tif_curtile = (uint32) -1;\n\ttif->tif_tilesize = (tmsize_t) -1;\n\ttif->tif_scanlinesize = TIFFScanlineSize(tif);\n\tif (!tif->tif_scanlinesize) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t "Cannot handle zero scanline size");\n\t\treturn (0);\n\t}\n\tif (isTiled(tif)) {\n\t\ttif->tif_tilesize = TIFFTileSize(tif);\n\t\tif (!tif->tif_tilesize) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Cannot handle zero tile size");\n\t\t\treturn (0);\n\t\t}\n\t} else {\n\t\tif (!TIFFStripSize(tif)) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Cannot handle zero strip size");\n\t\t\treturn (0);\n\t\t}\n\t}\n\treturn (1);\nbad:\n\tif (dir)\n\t\t_TIFFfree(dir);\n\treturn (0);\n}', 'static int\nTIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32 nstrips, uint64** lpp)\n{\n\tstatic const char module[] = "TIFFFetchStripThing";\n\tenum TIFFReadDirEntryErr err;\n\tuint64* data;\n\terr=TIFFReadDirEntryLong8ArrayWithLimit(tif,dir,&data,nstrips);\n\tif (err!=TIFFReadDirEntryErrOk)\n\t{\n\t\tconst TIFFField* fip = TIFFFieldWithTag(tif,dir->tdir_tag);\n\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);\n\t\treturn(0);\n\t}\n\tif (dir->tdir_count<(uint64)nstrips)\n\t{\n\t\tuint64* resizeddata;\n\t\tconst TIFFField* fip = TIFFFieldWithTag(tif,dir->tdir_tag);\n\t\tconst char* pszMax = getenv("LIBTIFF_STRILE_ARRAY_MAX_RESIZE_COUNT");\n\t\tuint32 max_nstrips = 1000000;\n\t\tif( pszMax )\n\t\t\tmax_nstrips = (uint32) atoi(pszMax);\n\t\tTIFFReadDirEntryOutputErr(tif,TIFFReadDirEntryErrCount,\n\t\t module,\n\t\t fip ? fip->field_name : "unknown tagname",\n\t\t ( nstrips <= max_nstrips ) );\n\t\tif( nstrips > max_nstrips )\n\t\t{\n\t\t\t_TIFFfree(data);\n\t\t\treturn(0);\n\t\t}\n\t\tresizeddata=(uint64*)_TIFFCheckMalloc(tif,nstrips,sizeof(uint64),"for strip array");\n\t\tif (resizeddata==0) {\n\t\t\t_TIFFfree(data);\n\t\t\treturn(0);\n\t\t}\n _TIFFmemcpy(resizeddata,data,(uint32)dir->tdir_count*sizeof(uint64));\n _TIFFmemset(resizeddata+(uint32)dir->tdir_count,0,(nstrips-(uint32)dir->tdir_count)*sizeof(uint64));\n\t\t_TIFFfree(data);\n\t\tdata=resizeddata;\n\t}\n\t*lpp=data;\n\treturn(1);\n}'] |
8,170 | 0 | https://github.com/libav/libav/blob/0dea4c77ccf5956561bb8991311b3d834bb5fa40/libavcodec/motionpixels.c/#L244 | static void mp_decode_frame_helper(MotionPixelsContext *mp, GetBitContext *gb)
{
YuvPixel p;
int y, y0;
for (y = 0; y < mp->avctx->height; ++y) {
if (mp->changes_map[y * mp->avctx->width] != 0) {
memset(mp->gradient_scale, 1, sizeof(mp->gradient_scale));
p = mp_get_yuv_from_rgb(mp, 0, y);
} else {
p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));
p.y = av_clip_uintp2(p.y, 5);
if ((y & 3) == 0) {
p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));
p.v = av_clip_intp2(p.v, 5);
p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));
p.u = av_clip_intp2(p.u, 5);
}
mp->vpt[y] = p;
mp_set_rgb_from_yuv(mp, 0, y, &p);
}
}
for (y0 = 0; y0 < 2; ++y0)
for (y = y0; y < mp->avctx->height; y += 2)
mp_decode_line(mp, gb, y);
} | ['static void mp_decode_frame_helper(MotionPixelsContext *mp, GetBitContext *gb)\n{\n YuvPixel p;\n int y, y0;\n for (y = 0; y < mp->avctx->height; ++y) {\n if (mp->changes_map[y * mp->avctx->width] != 0) {\n memset(mp->gradient_scale, 1, sizeof(mp->gradient_scale));\n p = mp_get_yuv_from_rgb(mp, 0, y);\n } else {\n p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));\n p.y = av_clip_uintp2(p.y, 5);\n if ((y & 3) == 0) {\n p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));\n p.v = av_clip_intp2(p.v, 5);\n p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));\n p.u = av_clip_intp2(p.u, 5);\n }\n mp->vpt[y] = p;\n mp_set_rgb_from_yuv(mp, 0, y, &p);\n }\n }\n for (y0 = 0; y0 < 2; ++y0)\n for (y = y0; y < mp->avctx->height; y += 2)\n mp_decode_line(mp, gb, y);\n}'] |
8,171 | 0 | https://github.com/openssl/openssl/blob/a974e64aaaa8a6f99f55a68d28c07c04ecea2f50/crypto/bn/bn_ctx.c/#L328 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int RSA_eay_private_encrypt(int flen, const unsigned char *from,\n unsigned char *to, RSA *rsa, int padding)\n{\n BIGNUM *f, *ret, *res;\n int i, j, k, num = 0, r = -1;\n unsigned char *buf = NULL;\n BN_CTX *ctx = NULL;\n int local_blinding = 0;\n BIGNUM *unblind = NULL;\n BN_BLINDING *blinding = NULL;\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n f = BN_CTX_get(ctx);\n ret = BN_CTX_get(ctx);\n num = BN_num_bytes(rsa->n);\n buf = OPENSSL_malloc(num);\n if (f == NULL || ret == NULL || buf == NULL) {\n RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n switch (padding) {\n case RSA_PKCS1_PADDING:\n i = RSA_padding_add_PKCS1_type_1(buf, num, from, flen);\n break;\n case RSA_X931_PADDING:\n i = RSA_padding_add_X931(buf, num, from, flen);\n break;\n case RSA_NO_PADDING:\n i = RSA_padding_add_none(buf, num, from, flen);\n break;\n case RSA_SSLV23_PADDING:\n default:\n RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);\n goto err;\n }\n if (i <= 0)\n goto err;\n if (BN_bin2bn(buf, num, f) == NULL)\n goto err;\n if (BN_ucmp(f, rsa->n) >= 0) {\n RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,\n RSA_R_DATA_TOO_LARGE_FOR_MODULUS);\n goto err;\n }\n if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {\n blinding = rsa_get_blinding(rsa, &local_blinding, ctx);\n if (blinding == NULL) {\n RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n }\n if (blinding != NULL) {\n if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {\n RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!rsa_blinding_convert(blinding, f, unblind, ctx))\n goto err;\n }\n if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||\n ((rsa->p != NULL) &&\n (rsa->q != NULL) &&\n (rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {\n if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))\n goto err;\n } else {\n BIGNUM *d = NULL, *local_d = NULL;\n if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {\n local_d = d = BN_new();\n if (d == NULL) {\n RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n } else\n d = rsa->d;\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked\n (&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx)) {\n BN_free(local_d);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(local_d);\n goto err;\n }\n BN_free(local_d);\n }\n if (blinding)\n if (!rsa_blinding_invert(blinding, ret, unblind, ctx))\n goto err;\n if (padding == RSA_X931_PADDING) {\n BN_sub(f, rsa->n, ret);\n if (BN_cmp(ret, f) > 0)\n res = f;\n else\n res = ret;\n } else\n res = ret;\n j = BN_num_bytes(res);\n i = BN_bn2bin(res, &(to[num - j]));\n for (k = 0; k < (num - i); k++)\n to[k] = 0;\n r = num;\n err:\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n OPENSSL_clear_free(buf, num);\n return (r);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_r_lock(lock);\n ret = *pmont;\n CRYPTO_r_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (ret == NULL)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_w_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_w_unlock(lock);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n BN_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (pnoinv)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048))) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM local_A, local_B;\n BIGNUM *pA, *pB;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n pB = &local_B;\n local_B.flags = 0;\n BN_with_flags(pB, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, pB, A, ctx))\n goto err;\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n pA = &local_A;\n local_A.flags = 0;\n BN_with_flags(pA, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, pA, B, ctx))\n goto err;\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
8,172 | 0 | https://github.com/openssl/openssl/blob/9dd4ac8cf17f2afd636e85ae0111d1df4104a475/engines/e_ossltest.c/#L627 | int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
unsigned char *tmpbuf = OPENSSL_malloc(inl);
if (tmpbuf == NULL && inl > 0)
return -1;
memcpy(tmpbuf, in, inl);
EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);
memcpy(out, tmpbuf, inl);
OPENSSL_free(tmpbuf);
return inl;
} | ['int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,\n const unsigned char *in, size_t inl)\n{\n unsigned char *tmpbuf = OPENSSL_malloc(inl);\n if (tmpbuf == NULL && inl > 0)\n return -1;\n memcpy(tmpbuf, in, inl);\n EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl);\n memcpy(out, tmpbuf, inl);\n OPENSSL_free(tmpbuf);\n return inl;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
8,173 | 0 | https://github.com/openssl/openssl/blob/b90506e995d44dee0ef4dd0324b56b59154256c2/crypto/bn/bn_print.c/#L171 | int BN_hex2bn(BIGNUM **bn, const char *a)
{
BIGNUM *ret = NULL;
BN_ULONG l = 0;
int neg = 0, h, m, i, j, k, c;
int num;
if ((a == NULL) || (*a == '\0'))
return (0);
if (*a == '-') {
neg = 1;
a++;
}
for (i = 0; i <= (INT_MAX/4) && isxdigit((unsigned char)a[i]); i++)
continue;
if (i == 0 || i > INT_MAX/4)
goto err;
num = i + neg;
if (bn == NULL)
return (num);
if (*bn == NULL) {
if ((ret = BN_new()) == NULL)
return (0);
} else {
ret = *bn;
BN_zero(ret);
}
if (bn_expand(ret, i * 4) == NULL)
goto err;
j = i;
m = 0;
h = 0;
while (j > 0) {
m = ((BN_BYTES * 2) <= j) ? (BN_BYTES * 2) : j;
l = 0;
for (;;) {
c = a[j - m];
k = OPENSSL_hexchar2int(c);
if (k < 0)
k = 0;
l = (l << 4) | k;
if (--m <= 0) {
ret->d[h++] = l;
break;
}
}
j -= (BN_BYTES * 2);
}
ret->top = h;
bn_correct_top(ret);
*bn = ret;
bn_check_top(ret);
if (ret->top != 0)
ret->neg = neg;
return (num);
err:
if (*bn == NULL)
BN_free(ret);
return (0);
} | ['static int run_srp_kat(void)\n{\n int ret = 0;\n BIGNUM *s = NULL;\n BIGNUM *v = NULL;\n BIGNUM *a = NULL;\n BIGNUM *b = NULL;\n BIGNUM *u = NULL;\n BIGNUM *x = NULL;\n BIGNUM *Apub = NULL;\n BIGNUM *Bpub = NULL;\n BIGNUM *Kclient = NULL;\n BIGNUM *Kserver = NULL;\n const SRP_gN *GN = SRP_get_default_gN("1024");\n if (GN == NULL) {\n fprintf(stderr, "Failed to get SRP parameters\\n");\n goto err;\n }\n BN_hex2bn(&s, "BEB25379D1A8581EB5A727673A2441EE");\n if (!SRP_create_verifier_BN("alice", "password123", &s, &v, GN->N,\n GN->g)) {\n fprintf(stderr, "Failed to create SRP verifier\\n");\n goto err;\n }\n if (!check_bn("v", v,\n "7E273DE8696FFC4F4E337D05B4B375BEB0DDE1569E8FA00A9886D812"\n "9BADA1F1822223CA1A605B530E379BA4729FDC59F105B4787E5186F5"\n "C671085A1447B52A48CF1970B4FB6F8400BBF4CEBFBB168152E08AB5"\n "EA53D15C1AFF87B2B9DA6E04E058AD51CC72BFC9033B564E26480D78"\n "E955A5E29E7AB245DB2BE315E2099AFB"))\n goto err;\n BN_hex2bn(&b, "E487CB59D31AC550471E81F00F6928E01DDA08E974A004F49E61F5D1"\n "05284D20");\n Bpub = SRP_Calc_B(b, GN->N, GN->g, v);\n if (!SRP_Verify_B_mod_N(Bpub, GN->N)) {\n fprintf(stderr, "Invalid B\\n");\n goto err;\n }\n if (!check_bn("B", Bpub,\n "BD0C61512C692C0CB6D041FA01BB152D4916A1E77AF46AE105393011"\n "BAF38964DC46A0670DD125B95A981652236F99D9B681CBF87837EC99"\n "6C6DA04453728610D0C6DDB58B318885D7D82C7F8DEB75CE7BD4FBAA"\n "37089E6F9C6059F388838E7A00030B331EB76840910440B1B27AAEAE"\n "EB4012B7D7665238A8E3FB004B117B58"))\n goto err;\n BN_hex2bn(&a, "60975527035CF2AD1989806F0407210BC81EDC04E2762A56AFD529DD"\n "DA2D4393");\n Apub = SRP_Calc_A(a, GN->N, GN->g);\n if (!SRP_Verify_A_mod_N(Apub, GN->N)) {\n fprintf(stderr, "Invalid A\\n");\n return -1;\n }\n if (!check_bn("A", Apub,\n "61D5E490F6F1B79547B0704C436F523DD0E560F0C64115BB72557EC4"\n "4352E8903211C04692272D8B2D1A5358A2CF1B6E0BFCF99F921530EC"\n "8E39356179EAE45E42BA92AEACED825171E1E8B9AF6D9C03E1327F44"\n "BE087EF06530E69F66615261EEF54073CA11CF5858F0EDFDFE15EFEA"\n "B349EF5D76988A3672FAC47B0769447B"))\n goto err;\n u = SRP_Calc_u(Apub, Bpub, GN->N);\n if (!check_bn("u", u, "CE38B9593487DA98554ED47D70A7AE5F462EF019"))\n goto err;\n x = SRP_Calc_x(s, "alice", "password123");\n Kclient = SRP_Calc_client_key(GN->N, Bpub, GN->g, x, a, u);\n if (!check_bn("Client\'s key", Kclient,\n "B0DC82BABCF30674AE450C0287745E7990A3381F63B387AAF271A10D"\n "233861E359B48220F7C4693C9AE12B0A6F67809F0876E2D013800D6C"\n "41BB59B6D5979B5C00A172B4A2A5903A0BDCAF8A709585EB2AFAFA8F"\n "3499B200210DCC1F10EB33943CD67FC88A2F39A4BE5BEC4EC0A3212D"\n "C346D7E474B29EDE8A469FFECA686E5A"))\n goto err;\n Kserver = SRP_Calc_server_key(Apub, v, u, b, GN->N);\n if (!check_bn("Server\'s key", Kserver,\n "B0DC82BABCF30674AE450C0287745E7990A3381F63B387AAF271A10D"\n "233861E359B48220F7C4693C9AE12B0A6F67809F0876E2D013800D6C"\n "41BB59B6D5979B5C00A172B4A2A5903A0BDCAF8A709585EB2AFAFA8F"\n "3499B200210DCC1F10EB33943CD67FC88A2F39A4BE5BEC4EC0A3212D"\n "C346D7E474B29EDE8A469FFECA686E5A"))\n goto err;\n ret = 1;\n err:\n BN_clear_free(Kclient);\n BN_clear_free(Kserver);\n BN_clear_free(x);\n BN_free(u);\n BN_free(Apub);\n BN_clear_free(a);\n BN_free(Bpub);\n BN_clear_free(b);\n BN_free(s);\n BN_clear_free(v);\n return ret;\n}', "int BN_hex2bn(BIGNUM **bn, const char *a)\n{\n BIGNUM *ret = NULL;\n BN_ULONG l = 0;\n int neg = 0, h, m, i, j, k, c;\n int num;\n if ((a == NULL) || (*a == '\\0'))\n return (0);\n if (*a == '-') {\n neg = 1;\n a++;\n }\n for (i = 0; i <= (INT_MAX/4) && isxdigit((unsigned char)a[i]); i++)\n continue;\n if (i == 0 || i > INT_MAX/4)\n goto err;\n num = i + neg;\n if (bn == NULL)\n return (num);\n if (*bn == NULL) {\n if ((ret = BN_new()) == NULL)\n return (0);\n } else {\n ret = *bn;\n BN_zero(ret);\n }\n if (bn_expand(ret, i * 4) == NULL)\n goto err;\n j = i;\n m = 0;\n h = 0;\n while (j > 0) {\n m = ((BN_BYTES * 2) <= j) ? (BN_BYTES * 2) : j;\n l = 0;\n for (;;) {\n c = a[j - m];\n k = OPENSSL_hexchar2int(c);\n if (k < 0)\n k = 0;\n l = (l << 4) | k;\n if (--m <= 0) {\n ret->d[h++] = l;\n break;\n }\n }\n j -= (BN_BYTES * 2);\n }\n ret->top = h;\n bn_correct_top(ret);\n *bn = ret;\n bn_check_top(ret);\n if (ret->top != 0)\n ret->neg = neg;\n return (num);\n err:\n if (*bn == NULL)\n BN_free(ret);\n return (0);\n}"] |
8,174 | 0 | https://github.com/nginx/nginx/blob/b0b7b5a356c7dedf4a1867e94d8a36cbb6dc3da1/src/http/modules/ngx_http_upstream_ip_hash_module.c/#L258 | static ngx_int_t
ngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, void *data)
{
ngx_http_upstream_ip_hash_peer_data_t *iphp = data;
time_t now;
ngx_int_t w;
uintptr_t m;
ngx_uint_t i, n, p, hash;
ngx_http_upstream_rr_peer_t *peer;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
"get ip hash peer, try: %ui", pc->tries);
ngx_http_upstream_rr_peers_wlock(iphp->rrp.peers);
if (iphp->tries > 20 || iphp->rrp.peers->single) {
ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers);
return iphp->get_rr_peer(pc, &iphp->rrp);
}
now = ngx_time();
pc->cached = 0;
pc->connection = NULL;
hash = iphp->hash;
for ( ;; ) {
for (i = 0; i < (ngx_uint_t) iphp->addrlen; i++) {
hash = (hash * 113 + iphp->addr[i]) % 6271;
}
if (!iphp->rrp.peers->weighted) {
p = hash % iphp->rrp.peers->number;
peer = iphp->rrp.peers->peer;
for (i = 0; i < p; i++) {
peer = peer->next;
}
} else {
w = hash % iphp->rrp.peers->total_weight;
for (peer = iphp->rrp.peers->peer, i = 0;
peer;
peer = peer->next, i++)
{
w -= peer->weight;
if (w < 0) {
break;
}
}
p = i;
}
n = p / (8 * sizeof(uintptr_t));
m = (uintptr_t) 1 << p % (8 * sizeof(uintptr_t));
if (iphp->rrp.tried[n] & m) {
goto next;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0,
"get ip hash peer, hash: %ui %04XA", p, m);
if (peer->down) {
goto next_try;
}
if (peer->max_fails
&& peer->fails >= peer->max_fails
&& now - peer->checked <= peer->fail_timeout)
{
goto next_try;
}
break;
next_try:
iphp->rrp.tried[n] |= m;
pc->tries--;
next:
if (++iphp->tries > 20) {
ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers);
return iphp->get_rr_peer(pc, &iphp->rrp);
}
}
iphp->rrp.current = peer;
pc->sockaddr = peer->sockaddr;
pc->socklen = peer->socklen;
pc->name = &peer->name;
peer->conns++;
if (now - peer->checked > peer->fail_timeout) {
peer->checked = now;
}
ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers);
iphp->rrp.tried[n] |= m;
iphp->hash = hash;
return NGX_OK;
} | ['static ngx_int_t\nngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, void *data)\n{\n ngx_http_upstream_ip_hash_peer_data_t *iphp = data;\n time_t now;\n ngx_int_t w;\n uintptr_t m;\n ngx_uint_t i, n, p, hash;\n ngx_http_upstream_rr_peer_t *peer;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,\n "get ip hash peer, try: %ui", pc->tries);\n ngx_http_upstream_rr_peers_wlock(iphp->rrp.peers);\n if (iphp->tries > 20 || iphp->rrp.peers->single) {\n ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers);\n return iphp->get_rr_peer(pc, &iphp->rrp);\n }\n now = ngx_time();\n pc->cached = 0;\n pc->connection = NULL;\n hash = iphp->hash;\n for ( ;; ) {\n for (i = 0; i < (ngx_uint_t) iphp->addrlen; i++) {\n hash = (hash * 113 + iphp->addr[i]) % 6271;\n }\n if (!iphp->rrp.peers->weighted) {\n p = hash % iphp->rrp.peers->number;\n peer = iphp->rrp.peers->peer;\n for (i = 0; i < p; i++) {\n peer = peer->next;\n }\n } else {\n w = hash % iphp->rrp.peers->total_weight;\n for (peer = iphp->rrp.peers->peer, i = 0;\n peer;\n peer = peer->next, i++)\n {\n w -= peer->weight;\n if (w < 0) {\n break;\n }\n }\n p = i;\n }\n n = p / (8 * sizeof(uintptr_t));\n m = (uintptr_t) 1 << p % (8 * sizeof(uintptr_t));\n if (iphp->rrp.tried[n] & m) {\n goto next;\n }\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0,\n "get ip hash peer, hash: %ui %04XA", p, m);\n if (peer->down) {\n goto next_try;\n }\n if (peer->max_fails\n && peer->fails >= peer->max_fails\n && now - peer->checked <= peer->fail_timeout)\n {\n goto next_try;\n }\n break;\n next_try:\n iphp->rrp.tried[n] |= m;\n pc->tries--;\n next:\n if (++iphp->tries > 20) {\n ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers);\n return iphp->get_rr_peer(pc, &iphp->rrp);\n }\n }\n iphp->rrp.current = peer;\n pc->sockaddr = peer->sockaddr;\n pc->socklen = peer->socklen;\n pc->name = &peer->name;\n peer->conns++;\n if (now - peer->checked > peer->fail_timeout) {\n peer->checked = now;\n }\n ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers);\n iphp->rrp.tried[n] |= m;\n iphp->hash = hash;\n return NGX_OK;\n}'] |
8,175 | 0 | https://github.com/libav/libav/blob/31c54711cc3f1484af101d629bbb805820d37ad1/libavcodec/ffv1.c/#L269 | static void find_best_state(uint8_t best_state[256][256],
const uint8_t one_state[256])
{
int i, j, k, m;
double l2tab[256];
for (i = 1; i < 256; i++)
l2tab[i] = log2(i / 256.0);
for (i = 0; i < 256; i++) {
double best_len[256];
double p = i / 256.0;
for (j = 0; j < 256; j++)
best_len[j] = 1 << 30;
for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) {
double occ[256] = { 0 };
double len = 0;
occ[j] = 1.0;
for (k = 0; k < 256; k++) {
double newocc[256] = { 0 };
for (m = 0; m < 256; m++)
if (occ[m]) {
len -= occ[m] * (p * l2tab[m] +
(1 - p) * l2tab[256 - m]);
}
if (len < best_len[k]) {
best_len[k] = len;
best_state[i][k] = j;
}
for (m = 0; m < 256; m++)
if (occ[m]) {
newocc[one_state[m]] += occ[m] * p;
newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);
}
memcpy(occ, newocc, sizeof(occ));
}
}
}
} | ['static void find_best_state(uint8_t best_state[256][256],\n const uint8_t one_state[256])\n{\n int i, j, k, m;\n double l2tab[256];\n for (i = 1; i < 256; i++)\n l2tab[i] = log2(i / 256.0);\n for (i = 0; i < 256; i++) {\n double best_len[256];\n double p = i / 256.0;\n for (j = 0; j < 256; j++)\n best_len[j] = 1 << 30;\n for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) {\n double occ[256] = { 0 };\n double len = 0;\n occ[j] = 1.0;\n for (k = 0; k < 256; k++) {\n double newocc[256] = { 0 };\n for (m = 0; m < 256; m++)\n if (occ[m]) {\n len -= occ[m] * (p * l2tab[m] +\n (1 - p) * l2tab[256 - m]);\n }\n if (len < best_len[k]) {\n best_len[k] = len;\n best_state[i][k] = j;\n }\n for (m = 0; m < 256; m++)\n if (occ[m]) {\n newocc[one_state[m]] += occ[m] * p;\n newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);\n }\n memcpy(occ, newocc, sizeof(occ));\n }\n }\n }\n}'] |
8,176 | 0 | https://github.com/openssl/openssl/blob/270a4bba49849de7f928f4fab186205abd132411/crypto/mem.c/#L281 | void CRYPTO_free(void *str, const char *file, int line)
{
if (free_impl != NULL && free_impl != &CRYPTO_free) {
free_impl(str, file, line);
return;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (call_malloc_debug) {
CRYPTO_mem_debug_free(str, 0, file, line);
free(str);
CRYPTO_mem_debug_free(str, 1, file, line);
} else {
free(str);
}
#else
free(str);
#endif
} | ['void CONF_modules_finish(void)\n{\n CONF_IMODULE *imod;\n while (sk_CONF_IMODULE_num(initialized_modules) > 0) {\n imod = sk_CONF_IMODULE_pop(initialized_modules);\n module_finish(imod);\n }\n sk_CONF_IMODULE_free(initialized_modules);\n initialized_modules = NULL;\n}', 'static void module_finish(CONF_IMODULE *imod)\n{\n if (!imod)\n return;\n if (imod->pmod->finish)\n imod->pmod->finish(imod);\n imod->pmod->links--;\n OPENSSL_free(imod->name);\n OPENSSL_free(imod->value);\n OPENSSL_free(imod);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
8,177 | 0 | https://github.com/libav/libav/blob/0bf511d579c7b21f1244eec688abf571ca1235bd/libavfilter/formats.c/#L264 | void ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
{
FORMATS_REF(f, ref);
} | ['void ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)\n{\n FORMATS_REF(f, ref);\n}', 'void *av_realloc(void *ptr, size_t size)\n{\n#if CONFIG_MEMALIGN_HACK\n int diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n if(!ptr) return av_malloc(size);\n diff= ((char*)ptr)[-1];\n return (char*)realloc((char*)ptr - diff, size + diff) + diff;\n#elif HAVE_ALIGNED_MALLOC\n return _aligned_realloc(ptr, size, 32);\n#else\n return realloc(ptr, size);\n#endif\n}'] |
8,178 | 0 | https://github.com/openssl/openssl/blob/54b5fd537f7a7ac1874359fd42a4721b6839f7a1/crypto/x509/x509_vpm.c/#L91 | X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void)
{
X509_VERIFY_PARAM *param;
param = OPENSSL_malloc(sizeof(X509_VERIFY_PARAM));
memset(param, 0, sizeof(X509_VERIFY_PARAM));
x509_verify_param_zero(param);
return param;
} | ['X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void)\n\t{\n\tX509_VERIFY_PARAM *param;\n\tparam = OPENSSL_malloc(sizeof(X509_VERIFY_PARAM));\n\tmemset(param, 0, sizeof(X509_VERIFY_PARAM));\n\tx509_verify_param_zero(param);\n\treturn param;\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if(ret && (num > 2048))\n\t{\textern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\t}\n#endif\n\treturn ret;\n\t}'] |
8,179 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_lib.c/#L352 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_malloc(words * sizeof(*a));
else
a = A = OPENSSL_malloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#ifdef PURIFY
memset(a, 0, sizeof(*a) * words);
#endif
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | ['int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret)\n{\n int ok = 0;\n BIGNUM *q = NULL;\n *ret = 0;\n q = BN_new();\n if (q == NULL)\n goto err;\n BN_set_word(q, 1);\n if (BN_cmp(pub_key, q) <= 0)\n *ret |= DH_CHECK_PUBKEY_TOO_SMALL;\n BN_copy(q, dh->p);\n BN_sub_word(q, 1);\n if (BN_cmp(pub_key, q) >= 0)\n *ret |= DH_CHECK_PUBKEY_TOO_LARGE;\n ok = 1;\n err:\n BN_free(q);\n return (ok);\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n int i;\n BN_ULONG *A;\n const BN_ULONG *B;\n bn_check_top(b);\n if (a == b)\n return (a);\n if (bn_wexpand(a, b->top) == NULL)\n return (NULL);\n#if 1\n A = a->d;\n B = b->d;\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:;\n }\n#else\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n#endif\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return (a);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_malloc(words * sizeof(*a));\n else\n a = A = OPENSSL_malloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#ifdef PURIFY\n memset(a, 0, sizeof(*a) * words);\n#endif\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}'] |
8,180 | 0 | https://github.com/libav/libav/blob/838ed296df913dde55a573ccfae5b0a4ef934cfa/libavfilter/vf_scale.c/#L270 | static int filter_frame(AVFilterLink *link, AVFilterBufferRef *in)
{
ScaleContext *scale = link->dst->priv;
AVFilterLink *outlink = link->dst->outputs[0];
AVFilterBufferRef *out;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
if (!scale->sws)
return ff_filter_frame(outlink, in);
scale->hsub = desc->log2_chroma_w;
scale->vsub = desc->log2_chroma_h;
out = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
if (!out) {
avfilter_unref_bufferp(&in);
return AVERROR(ENOMEM);
}
avfilter_copy_buffer_ref_props(out, in);
out->video->w = outlink->w;
out->video->h = outlink->h;
av_reduce(&out->video->pixel_aspect.num, &out->video->pixel_aspect.den,
(int64_t)in->video->pixel_aspect.num * outlink->h * link->w,
(int64_t)in->video->pixel_aspect.den * outlink->w * link->h,
INT_MAX);
sws_scale(scale->sws, in->data, in->linesize, 0, in->video->h,
out->data, out->linesize);
avfilter_unref_bufferp(&in);
return ff_filter_frame(outlink, out);
} | ['static int filter_frame(AVFilterLink *link, AVFilterBufferRef *in)\n{\n ScaleContext *scale = link->dst->priv;\n AVFilterLink *outlink = link->dst->outputs[0];\n AVFilterBufferRef *out;\n const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);\n if (!scale->sws)\n return ff_filter_frame(outlink, in);\n scale->hsub = desc->log2_chroma_w;\n scale->vsub = desc->log2_chroma_h;\n out = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);\n if (!out) {\n avfilter_unref_bufferp(&in);\n return AVERROR(ENOMEM);\n }\n avfilter_copy_buffer_ref_props(out, in);\n out->video->w = outlink->w;\n out->video->h = outlink->h;\n av_reduce(&out->video->pixel_aspect.num, &out->video->pixel_aspect.den,\n (int64_t)in->video->pixel_aspect.num * outlink->h * link->w,\n (int64_t)in->video->pixel_aspect.den * outlink->w * link->h,\n INT_MAX);\n sws_scale(scale->sws, in->data, in->linesize, 0, in->video->h,\n out->data, out->linesize);\n avfilter_unref_bufferp(&in);\n return ff_filter_frame(outlink, out);\n}', 'const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)\n{\n if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)\n return NULL;\n return &av_pix_fmt_descriptors[pix_fmt];\n}'] |
8,181 | 0 | https://github.com/libav/libav/blob/688417399c69aadd4c287bdb0dec82ef8799011c/libavcodec/hevcdsp_template.c/#L901 | PUT_HEVC_QPEL_HV(1, 1) | ['QPEL(24)', 'PUT_HEVC_QPEL_HV(1, 1)'] |
8,182 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_lib.c/#L260 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m)\n{\n if (r != a) {\n if (BN_copy(r, a) == NULL)\n return 0;\n }\n while (n > 0) {\n int max_shift;\n max_shift = BN_num_bits(m) - BN_num_bits(r);\n if (max_shift < 0) {\n BNerr(BN_F_BN_MOD_LSHIFT_QUICK, BN_R_INPUT_NOT_REDUCED);\n return 0;\n }\n if (max_shift > n)\n max_shift = n;\n if (max_shift) {\n if (!BN_lshift(r, r, max_shift))\n return 0;\n n -= max_shift;\n } else {\n if (!BN_lshift1(r, r))\n return 0;\n --n;\n }\n if (BN_cmp(r, m) >= 0) {\n if (!BN_sub(r, r, m))\n return 0;\n }\n }\n bn_check_top(r);\n return 1;\n}', 'int BN_num_bits(const BIGNUM *a)\n{\n int i = a->top - 1;\n bn_check_top(a);\n if (BN_is_zero(a))\n return 0;\n return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'int BN_is_zero(const BIGNUM *a)\n{\n return a->top == 0;\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return 0;\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
8,183 | 0 | https://github.com/openssl/openssl/blob/cf56663fb71ce279eb8ea603faf0a3c98cc7bc47/crypto/lhash/lhash.c/#L365 | static void contract(LHASH *lh)
{
LHASH_NODE **n,*n1,*np;
np=lh->b[lh->p+lh->pmax-1];
lh->b[lh->p+lh->pmax-1]=NULL;
if (lh->p == 0)
{
n=(LHASH_NODE **)OPENSSL_realloc(lh->b,
(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));
if (n == NULL)
{
lh->error++;
return;
}
lh->num_contract_reallocs++;
lh->num_alloc_nodes/=2;
lh->pmax/=2;
lh->p=lh->pmax-1;
lh->b=n;
}
else
lh->p--;
lh->num_nodes--;
lh->num_contracts++;
n1=lh->b[(int)lh->p];
if (n1 == NULL)
lh->b[(int)lh->p]=np;
else
{
while (n1->next != NULL)
n1=n1->next;
n1->next=np;
}
} | ['int MAIN(int argc, char **argv)\n\t{\n\tint off=0;\n\tSSL *con=NULL,*con2=NULL;\n\tX509_STORE *store = NULL;\n\tint s,k,width,state=0;\n\tchar *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;\n\tint cbuf_len,cbuf_off;\n\tint sbuf_len,sbuf_off;\n\tfd_set readfds,writefds;\n\tshort port=PORT;\n\tint full_log=1;\n\tchar *host=SSL_HOST_NAME;\n\tchar *cert_file=NULL,*key_file=NULL;\n\tchar *CApath=NULL,*CAfile=NULL,*cipher=NULL;\n\tint reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;\n\tint crlf=0;\n\tint write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;\n\tSSL_CTX *ctx=NULL;\n\tint ret=1,in_init=1,i,nbio_test=0;\n\tint smtp_starttls = 0;\n\tint prexit = 0, vflags = 0;\n\tSSL_METHOD *meth=NULL;\n\tBIO *sbio;\n\tchar *inrand=NULL;\n#ifndef OPENSSL_NO_ENGINE\n\tchar *engine_id=NULL;\n\tENGINE *e=NULL;\n#endif\n#ifdef OPENSSL_SYS_WINDOWS\n\tstruct timeval tv;\n#endif\n#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv23_client_method();\n#elif !defined(OPENSSL_NO_SSL3)\n\tmeth=SSLv3_client_method();\n#elif !defined(OPENSSL_NO_SSL2)\n\tmeth=SSLv2_client_method();\n#endif\n\tapps_startup();\n\tc_Pause=0;\n\tc_quiet=0;\n\tc_ign_eof=0;\n\tc_debug=0;\n\tc_msg=0;\n\tc_showcerts=0;\n\tif (bio_err == NULL)\n\t\tbio_err=BIO_new_fp(stderr,BIO_NOCLOSE);\n\tif (!load_config(bio_err, NULL))\n\t\tgoto end;\n\tif (\t((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||\n\t\t((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||\n\t\t((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tverify_depth=0;\n\tverify_error=X509_V_OK;\n#ifdef FIONBIO\n\tc_nbio=0;\n#endif\n\targc--;\n\targv++;\n\twhile (argc >= 1)\n\t\t{\n\t\tif\t(strcmp(*argv,"-host") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\thost= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-port") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tport=atoi(*(++argv));\n\t\t\tif (port == 0) goto bad;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-connect") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tif (!extract_host_port(*(++argv),&host,NULL,&port))\n\t\t\t\tgoto bad;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-verify") == 0)\n\t\t\t{\n\t\t\tverify=SSL_VERIFY_PEER;\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tverify_depth=atoi(*(++argv));\n\t\t\tBIO_printf(bio_err,"verify depth is %d\\n",verify_depth);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-cert") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcert_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-crl_check") == 0)\n\t\t\tvflags |= X509_V_FLAG_CRL_CHECK;\n\t\telse if\t(strcmp(*argv,"-crl_check_all") == 0)\n\t\t\tvflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;\n\t\telse if\t(strcmp(*argv,"-prexit") == 0)\n\t\t\tprexit=1;\n\t\telse if\t(strcmp(*argv,"-crlf") == 0)\n\t\t\tcrlf=1;\n\t\telse if\t(strcmp(*argv,"-quiet") == 0)\n\t\t\t{\n\t\t\tc_quiet=1;\n\t\t\tc_ign_eof=1;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-ign_eof") == 0)\n\t\t\tc_ign_eof=1;\n\t\telse if\t(strcmp(*argv,"-pause") == 0)\n\t\t\tc_Pause=1;\n\t\telse if\t(strcmp(*argv,"-debug") == 0)\n\t\t\tc_debug=1;\n\t\telse if\t(strcmp(*argv,"-msg") == 0)\n\t\t\tc_msg=1;\n\t\telse if\t(strcmp(*argv,"-showcerts") == 0)\n\t\t\tc_showcerts=1;\n\t\telse if\t(strcmp(*argv,"-nbio_test") == 0)\n\t\t\tnbio_test=1;\n\t\telse if\t(strcmp(*argv,"-state") == 0)\n\t\t\tstate=1;\n#ifndef OPENSSL_NO_SSL2\n\t\telse if\t(strcmp(*argv,"-ssl2") == 0)\n\t\t\tmeth=SSLv2_client_method();\n#endif\n#ifndef OPENSSL_NO_SSL3\n\t\telse if\t(strcmp(*argv,"-ssl3") == 0)\n\t\t\tmeth=SSLv3_client_method();\n#endif\n#ifndef OPENSSL_NO_TLS1\n\t\telse if\t(strcmp(*argv,"-tls1") == 0)\n\t\t\tmeth=TLSv1_client_method();\n#endif\n\t\telse if (strcmp(*argv,"-bugs") == 0)\n\t\t\tbugs=1;\n\t\telse if\t(strcmp(*argv,"-key") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkey_file= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-reconnect") == 0)\n\t\t\t{\n\t\t\treconnect=5;\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CApath") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCApath= *(++argv);\n\t\t\t}\n\t\telse if\t(strcmp(*argv,"-CAfile") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-no_tls1") == 0)\n\t\t\toff|=SSL_OP_NO_TLSv1;\n\t\telse if (strcmp(*argv,"-no_ssl3") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv3;\n\t\telse if (strcmp(*argv,"-no_ssl2") == 0)\n\t\t\toff|=SSL_OP_NO_SSLv2;\n\t\telse if (strcmp(*argv,"-serverpref") == 0)\n\t\t\toff|=SSL_OP_CIPHER_SERVER_PREFERENCE;\n\t\telse if\t(strcmp(*argv,"-cipher") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tcipher= *(++argv);\n\t\t\t}\n#ifdef FIONBIO\n\t\telse if (strcmp(*argv,"-nbio") == 0)\n\t\t\t{ c_nbio=1; }\n#endif\n\t\telse if\t(strcmp(*argv,"-starttls") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\t++argv;\n\t\t\tif (strcmp(*argv,"smtp") == 0)\n\t\t\t\tsmtp_starttls = 1;\n\t\t\telse\n\t\t\t\tgoto bad;\n\t\t\t}\n#ifndef OPENSSL_NO_ENGINE\n\t\telse if\t(strcmp(*argv,"-engine") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tengine_id = *(++argv);\n\t\t\t}\n#endif\n\t\telse if (strcmp(*argv,"-rand") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinrand= *(++argv);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unknown option %s\\n",*argv);\n\t\t\tbadop=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badop)\n\t\t{\nbad:\n\t\tsc_usage();\n\t\tgoto end;\n\t\t}\n\tOpenSSL_add_ssl_algorithms();\n\tSSL_load_error_strings();\n#ifndef OPENSSL_NO_ENGINE\n e = setup_engine(bio_err, engine_id, 1);\n#endif\n\tif (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL\n\t\t&& !RAND_status())\n\t\t{\n\t\tBIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\\n");\n\t\t}\n\tif (inrand != NULL)\n\t\tBIO_printf(bio_err,"%ld semi-random bytes loaded\\n",\n\t\t\tapp_RAND_load_files(inrand));\n\tif (bio_c_out == NULL)\n\t\t{\n\t\tif (c_quiet && !c_debug && !c_msg)\n\t\t\t{\n\t\t\tbio_c_out=BIO_new(BIO_s_null());\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bio_c_out == NULL)\n\t\t\t\tbio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);\n\t\t\t}\n\t\t}\n\tctx=SSL_CTX_new(meth);\n\tif (ctx == NULL)\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (bugs)\n\t\tSSL_CTX_set_options(ctx,SSL_OP_ALL|off);\n\telse\n\t\tSSL_CTX_set_options(ctx,off);\n\tif (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);\n\tif (cipher != NULL)\n\t\tif(!SSL_CTX_set_cipher_list(ctx,cipher)) {\n\t\tBIO_printf(bio_err,"error setting cipher list\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t}\n#if 0\n\telse\n\t\tSSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));\n#endif\n\tSSL_CTX_set_verify(ctx,verify,verify_callback);\n\tif (!set_cert_stuff(ctx,cert_file,key_file))\n\t\tgoto end;\n\tif ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||\n\t\t(!SSL_CTX_set_default_verify_paths(ctx)))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\t}\n\tstore = SSL_CTX_get_cert_store(ctx);\n\tX509_STORE_set_flags(store, vflags);\n\tcon=SSL_new(ctx);\n#ifndef OPENSSL_NO_KRB5\n\tif (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)\n {\n kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);\n\t\t}\n#endif\nre_start:\n\tif (init_client(&s,host,port) == 0)\n\t\t{\n\t\tBIO_printf(bio_err,"connect:errno=%d\\n",get_last_socket_error());\n\t\tSHUTDOWN(s);\n\t\tgoto end;\n\t\t}\n\tBIO_printf(bio_c_out,"CONNECTED(%08X)\\n",s);\n#ifdef FIONBIO\n\tif (c_nbio)\n\t\t{\n\t\tunsigned long l=1;\n\t\tBIO_printf(bio_c_out,"turning on non blocking io\\n");\n\t\tif (BIO_socket_ioctl(s,FIONBIO,&l) < 0)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n\tif (c_Pause & 0x01) con->debug=1;\n\tsbio=BIO_new_socket(s,BIO_NOCLOSE);\n\tif (nbio_test)\n\t\t{\n\t\tBIO *test;\n\t\ttest=BIO_new(BIO_f_nbio_test());\n\t\tsbio=BIO_push(test,sbio);\n\t\t}\n\tif (c_debug)\n\t\t{\n\t\tcon->debug=1;\n\t\tBIO_set_callback(sbio,bio_dump_cb);\n\t\tBIO_set_callback_arg(sbio,bio_c_out);\n\t\t}\n\tif (c_msg)\n\t\t{\n\t\tSSL_set_msg_callback(con, msg_cb);\n\t\tSSL_set_msg_callback_arg(con, bio_c_out);\n\t\t}\n\tSSL_set_bio(con,sbio,sbio);\n\tSSL_set_connect_state(con);\n\twidth=SSL_get_fd(con)+1;\n\tread_tty=1;\n\twrite_tty=0;\n\ttty_on=0;\n\tread_ssl=1;\n\twrite_ssl=1;\n\tcbuf_len=0;\n\tcbuf_off=0;\n\tsbuf_len=0;\n\tsbuf_off=0;\n\tif (smtp_starttls)\n\t\t{\n\t\tBIO_read(sbio,mbuf,BUFSIZZ);\n\t\tBIO_printf(sbio,"STARTTLS\\r\\n");\n\t\tBIO_read(sbio,sbuf,BUFSIZZ);\n\t\t}\n\tfor (;;)\n\t\t{\n\t\tFD_ZERO(&readfds);\n\t\tFD_ZERO(&writefds);\n\t\tif (SSL_in_init(con) && !SSL_total_renegotiations(con))\n\t\t\t{\n\t\t\tin_init=1;\n\t\t\ttty_on=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\ttty_on=1;\n\t\t\tif (in_init)\n\t\t\t\t{\n\t\t\t\tin_init=0;\n\t\t\t\tprint_stuff(bio_c_out,con,full_log);\n\t\t\t\tif (full_log > 0) full_log--;\n\t\t\t\tif (smtp_starttls)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"%s",mbuf);\n\t\t\t\t\tsmtp_starttls = 0;\n\t\t\t\t\t}\n\t\t\t\tif (reconnect)\n\t\t\t\t\t{\n\t\t\t\t\treconnect--;\n\t\t\t\t\tBIO_printf(bio_c_out,"drop connection and then reconnect\\n");\n\t\t\t\t\tSSL_shutdown(con);\n\t\t\t\t\tSSL_set_connect_state(con);\n\t\t\t\t\tSHUTDOWN(SSL_get_fd(con));\n\t\t\t\t\tgoto re_start;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tssl_pending = read_ssl && SSL_pending(con);\n\t\tif (!ssl_pending)\n\t\t\t{\n#ifndef OPENSSL_SYS_WINDOWS\n\t\t\tif (tty_on)\n\t\t\t\t{\n\t\t\t\tif (read_tty) FD_SET(fileno(stdin),&readfds);\n\t\t\t\tif (write_tty) FD_SET(fileno(stdout),&writefds);\n\t\t\t\t}\n\t\t\tif (read_ssl)\n\t\t\t\tFD_SET(SSL_get_fd(con),&readfds);\n\t\t\tif (write_ssl)\n\t\t\t\tFD_SET(SSL_get_fd(con),&writefds);\n#else\n\t\t\tif(!tty_on || !write_tty) {\n\t\t\t\tif (read_ssl)\n\t\t\t\t\tFD_SET(SSL_get_fd(con),&readfds);\n\t\t\t\tif (write_ssl)\n\t\t\t\t\tFD_SET(SSL_get_fd(con),&writefds);\n\t\t\t}\n#endif\n#ifdef OPENSSL_SYS_WINDOWS\n\t\t\ti=0;\n\t\t\tif(!write_tty) {\n\t\t\t\tif(read_tty) {\n\t\t\t\t\ttv.tv_sec = 1;\n\t\t\t\t\ttv.tv_usec = 0;\n\t\t\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t\t NULL,&tv);\n#ifdef OPENSSL_SYS_WINCE\n\t\t\t\t\tif(!i && (!_kbhit() || !read_tty) ) continue;\n#else\n\t\t\t\t\tif(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;\n#endif\n\t\t\t\t} else \ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t\t NULL,NULL);\n\t\t\t}\n#else\n\t\t\ti=select(width,(void *)&readfds,(void *)&writefds,\n\t\t\t\t NULL,NULL);\n#endif\n\t\t\tif ( i < 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"bad select %d\\n",\n\t\t\t\tget_last_socket_error());\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n\t\tif (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))\n\t\t\t{\n\t\t\tk=SSL_write(con,&(cbuf[cbuf_off]),\n\t\t\t\t(unsigned int)cbuf_len);\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tcbuf_off+=k;\n\t\t\t\tcbuf_len-=k;\n\t\t\t\tif (k <= 0) goto end;\n\t\t\t\tif (cbuf_len <= 0)\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=0;\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"write W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"write R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_ssl=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"write X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tif (cbuf_len != 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_c_out,"shutdown\\n");\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tif ((k != 0) || (cbuf_len != 0))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"write:errno=%d\\n",\n\t\t\t\t\t\tget_last_socket_error());\n\t\t\t\t\tgoto shut;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tread_tty=1;\n\t\t\t\t\twrite_ssl=0;\n\t\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)\n\t\telse if (!ssl_pending && write_tty)\n#else\n\t\telse if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))\n#endif\n\t\t\t{\n#ifdef CHARSET_EBCDIC\n\t\t\tascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);\n#endif\n\t\t\ti=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);\n\t\t\tif (i <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_c_out,"DONE\\n");\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tsbuf_len-=i;;\n\t\t\tsbuf_off+=i;\n\t\t\tif (sbuf_len <= 0)\n\t\t\t\t{\n\t\t\t\tread_ssl=1;\n\t\t\t\twrite_tty=0;\n\t\t\t\t}\n\t\t\t}\n\t\telse if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))\n\t\t\t{\n#ifdef RENEG\n{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }\n#endif\n#if 1\n\t\t\tk=SSL_read(con,sbuf,1024 );\n#else\n\t\t\tk=SSL_read(con,sbuf,16);\n{ char zbuf[10240];\nprintf("read=%d pending=%d peek=%d\\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));\n}\n#endif\n\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t{\n\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\tif (k <= 0)\n\t\t\t\t\tgoto end;\n\t\t\t\tsbuf_off=0;\n\t\t\t\tsbuf_len=k;\n\t\t\t\tread_ssl=0;\n\t\t\t\twrite_tty=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tBIO_printf(bio_c_out,"read W BLOCK\\n");\n\t\t\t\twrite_ssl=1;\n\t\t\t\tread_tty=0;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tBIO_printf(bio_c_out,"read R BLOCK\\n");\n\t\t\t\twrite_tty=0;\n\t\t\t\tread_ssl=1;\n\t\t\t\tif ((read_tty == 0) && (write_ssl == 0))\n\t\t\t\t\twrite_ssl=1;\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\tBIO_printf(bio_c_out,"read X BLOCK\\n");\n\t\t\t\tbreak;\n\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tBIO_printf(bio_err,"read:errno=%d\\n",get_last_socket_error());\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\tBIO_printf(bio_c_out,"closed\\n");\n\t\t\t\tgoto shut;\n\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\t}\n#ifdef OPENSSL_SYS_WINDOWS\n#ifdef OPENSSL_SYS_WINCE\n\t\telse if (_kbhit())\n#else\n\t\telse if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))\n#endif\n#else\n\t\telse if (FD_ISSET(fileno(stdin),&readfds))\n#endif\n\t\t\t{\n\t\t\tif (crlf)\n\t\t\t\t{\n\t\t\t\tint j, lf_num;\n\t\t\t\ti=read(fileno(stdin),cbuf,BUFSIZZ/2);\n\t\t\t\tlf_num = 0;\n\t\t\t\tfor (j = 0; j < i; j++)\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\tlf_num++;\n\t\t\t\tfor (j = i-1; j >= 0; j--)\n\t\t\t\t\t{\n\t\t\t\t\tcbuf[j+lf_num] = cbuf[j];\n\t\t\t\t\tif (cbuf[j] == \'\\n\')\n\t\t\t\t\t\t{\n\t\t\t\t\t\tlf_num--;\n\t\t\t\t\t\ti++;\n\t\t\t\t\t\tcbuf[j+lf_num] = \'\\r\';\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\tassert(lf_num == 0);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\ti=read(fileno(stdin),cbuf,BUFSIZZ);\n\t\t\tif ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == \'Q\')))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DONE\\n");\n\t\t\t\tgoto shut;\n\t\t\t\t}\n\t\t\tif ((!c_ign_eof) && (cbuf[0] == \'R\'))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RENEGOTIATING\\n");\n\t\t\t\tSSL_renegotiate(con);\n\t\t\t\tcbuf_len=0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tcbuf_len=i;\n\t\t\t\tcbuf_off=0;\n#ifdef CHARSET_EBCDIC\n\t\t\t\tebcdic2ascii(cbuf, cbuf, i);\n#endif\n\t\t\t\t}\n\t\t\twrite_ssl=1;\n\t\t\tread_tty=0;\n\t\t\t}\n\t\t}\nshut:\n\tSSL_shutdown(con);\n\tSHUTDOWN(SSL_get_fd(con));\n\tret=0;\nend:\n\tif(prexit) print_stuff(bio_c_out,con,1);\n\tif (con != NULL) SSL_free(con);\n\tif (con2 != NULL) SSL_free(con2);\n\tif (ctx != NULL) SSL_CTX_free(ctx);\n\tif (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }\n\tif (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }\n\tif (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }\n\tif (bio_c_out != NULL)\n\t\t{\n\t\tBIO_free(bio_c_out);\n\t\tbio_c_out=NULL;\n\t\t}\n\tapps_shutdown();\n\tOPENSSL_EXIT(ret);\n\t}', 'int load_config(BIO *err, CONF *cnf)\n\t{\n\tif (!cnf)\n\t\tcnf = config;\n\tif (!cnf)\n\t\treturn 1;\n\tOPENSSL_load_builtin_modules();\n\tif (CONF_modules_load(cnf, NULL, 0) <= 0)\n\t\t{\n\t\tBIO_printf(err, "Error configuring OpenSSL\\n");\n\t\tERR_print_errors(err);\n\t\treturn 0;\n\t\t}\n\treturn 1;\n\t}', 'void SSL_free(SSL *s)\n\t{\n\tint i;\n\tif(s == NULL)\n\t return;\n\ti=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);\n#ifdef REF_PRINT\n\tREF_PRINT("SSL",s);\n#endif\n\tif (i > 0) return;\n#ifdef REF_CHECK\n\tif (i < 0)\n\t\t{\n\t\tfprintf(stderr,"SSL_free, bad reference count\\n");\n\t\tabort();\n\t\t}\n#endif\n\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n\tif (s->bbio != NULL)\n\t\t{\n\t\tif (s->bbio == s->wbio)\n\t\t\t{\n\t\t\ts->wbio=BIO_pop(s->wbio);\n\t\t\t}\n\t\tBIO_free(s->bbio);\n\t\ts->bbio=NULL;\n\t\t}\n\tif (s->rbio != NULL)\n\t\tBIO_free_all(s->rbio);\n\tif ((s->wbio != NULL) && (s->wbio != s->rbio))\n\t\tBIO_free_all(s->wbio);\n\tif (s->init_buf != NULL) BUF_MEM_free(s->init_buf);\n\tif (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);\n\tif (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);\n\tif (s->session != NULL)\n\t\t{\n\t\tssl_clear_bad_session(s);\n\t\tSSL_SESSION_free(s->session);\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (s->cert != NULL) ssl_cert_free(s->cert);\n\tif (s->ctx) SSL_CTX_free(s->ctx);\n\tif (s->client_CA != NULL)\n\t\tsk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);\n\tif (s->method != NULL) s->method->ssl_free(s);\n\tOPENSSL_free(s);\n\t}', 'int ssl_clear_bad_session(SSL *s)\n\t{\n\tif (\t(s->session != NULL) &&\n\t\t!(s->shutdown & SSL_SENT_SHUTDOWN) &&\n\t\t!(SSL_in_init(s) || SSL_in_before(s)))\n\t\t{\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\treturn(1);\n\t\t}\n\telse\n\t\treturn(0);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tif ((r = (SSL_SESSION *)lh_retrieve(ctx->sessions,c)) == c)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}', 'static void contract(LHASH *lh)\n\t{\n\tLHASH_NODE **n,*n1,*np;\n\tnp=lh->b[lh->p+lh->pmax-1];\n\tlh->b[lh->p+lh->pmax-1]=NULL;\n\tif (lh->p == 0)\n\t\t{\n\t\tn=(LHASH_NODE **)OPENSSL_realloc(lh->b,\n\t\t\t(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));\n\t\tif (n == NULL)\n\t\t\t{\n\t\t\tlh->error++;\n\t\t\treturn;\n\t\t\t}\n\t\tlh->num_contract_reallocs++;\n\t\tlh->num_alloc_nodes/=2;\n\t\tlh->pmax/=2;\n\t\tlh->p=lh->pmax-1;\n\t\tlh->b=n;\n\t\t}\n\telse\n\t\tlh->p--;\n\tlh->num_nodes--;\n\tlh->num_contracts++;\n\tn1=lh->b[(int)lh->p];\n\tif (n1 == NULL)\n\t\tlh->b[(int)lh->p]=np;\n\telse\n\t\t{\n\t\twhile (n1->next != NULL)\n\t\t\tn1=n1->next;\n\t\tn1->next=np;\n\t\t}\n\t}'] |
8,184 | 0 | https://github.com/openssl/openssl/blob/72bb2f64fc67dc644f302a07953900becced011f/ssl/t1_lib.c/#L4260 | DH *ssl_get_auto_dh(SSL *s)
{
int dh_secbits = 80;
if (s->cert->dh_tmp_auto == 2)
return DH_get_1024_160();
if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {
if (s->s3->tmp.new_cipher->strength_bits == 256)
dh_secbits = 128;
else
dh_secbits = 80;
} else {
CERT_PKEY *cpk = ssl_get_server_send_pkey(s);
dh_secbits = EVP_PKEY_security_bits(cpk->privatekey);
}
if (dh_secbits >= 128) {
DH *dhp = DH_new();
if (dhp == NULL)
return NULL;
dhp->g = BN_new();
if (dhp->g != NULL)
BN_set_word(dhp->g, 2);
if (dh_secbits >= 192)
dhp->p = get_rfc3526_prime_8192(NULL);
else
dhp->p = get_rfc3526_prime_3072(NULL);
if (dhp->p == NULL || dhp->g == NULL) {
DH_free(dhp);
return NULL;
}
return dhp;
}
if (dh_secbits >= 112)
return DH_get_2048_224();
return DH_get_1024_160();
} | ['DH *ssl_get_auto_dh(SSL *s)\n{\n int dh_secbits = 80;\n if (s->cert->dh_tmp_auto == 2)\n return DH_get_1024_160();\n if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {\n if (s->s3->tmp.new_cipher->strength_bits == 256)\n dh_secbits = 128;\n else\n dh_secbits = 80;\n } else {\n CERT_PKEY *cpk = ssl_get_server_send_pkey(s);\n dh_secbits = EVP_PKEY_security_bits(cpk->privatekey);\n }\n if (dh_secbits >= 128) {\n DH *dhp = DH_new();\n if (dhp == NULL)\n return NULL;\n dhp->g = BN_new();\n if (dhp->g != NULL)\n BN_set_word(dhp->g, 2);\n if (dh_secbits >= 192)\n dhp->p = get_rfc3526_prime_8192(NULL);\n else\n dhp->p = get_rfc3526_prime_3072(NULL);\n if (dhp->p == NULL || dhp->g == NULL) {\n DH_free(dhp);\n return NULL;\n }\n return dhp;\n }\n if (dh_secbits >= 112)\n return DH_get_2048_224();\n return DH_get_1024_160();\n}', 'CERT_PKEY *ssl_get_server_send_pkey(SSL *s)\n{\n CERT *c;\n int i;\n c = s->cert;\n if (!s->s3 || !s->s3->tmp.new_cipher)\n return NULL;\n ssl_set_masks(s, s->s3->tmp.new_cipher);\n#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL\n if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL)\n return c->key;\n#endif\n i = ssl_get_server_cert_index(s);\n if (i < 0)\n return NULL;\n return &c->pkeys[i];\n}', 'static int ssl_get_server_cert_index(const SSL *s)\n{\n int idx;\n idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);\n if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509)\n idx = SSL_PKEY_RSA_SIGN;\n if (idx == SSL_PKEY_GOST_EC) {\n if (s->cert->pkeys[SSL_PKEY_GOST12_512].x509)\n idx = SSL_PKEY_GOST12_512;\n else if (s->cert->pkeys[SSL_PKEY_GOST12_256].x509)\n idx = SSL_PKEY_GOST12_256;\n else if (s->cert->pkeys[SSL_PKEY_GOST01].x509)\n idx = SSL_PKEY_GOST01;\n else\n idx = -1;\n }\n if (idx == -1)\n SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR);\n return idx;\n}', 'int ssl_cipher_get_cert_index(const SSL_CIPHER *c)\n{\n uint32_t alg_k, alg_a;\n alg_k = c->algorithm_mkey;\n alg_a = c->algorithm_auth;\n if (alg_k & (SSL_kECDHr | SSL_kECDHe)) {\n return SSL_PKEY_ECC;\n } else if (alg_a & SSL_aECDSA)\n return SSL_PKEY_ECC;\n else if (alg_k & SSL_kDHr)\n return SSL_PKEY_DH_RSA;\n else if (alg_k & SSL_kDHd)\n return SSL_PKEY_DH_DSA;\n else if (alg_a & SSL_aDSS)\n return SSL_PKEY_DSA_SIGN;\n else if (alg_a & SSL_aRSA)\n return SSL_PKEY_RSA_ENC;\n else if (alg_a & SSL_aGOST12)\n return SSL_PKEY_GOST_EC;\n else if (alg_a & SSL_aGOST01)\n return SSL_PKEY_GOST01;\n return -1;\n}'] |
8,185 | 0 | https://github.com/openssl/openssl/blob/8ac6a53100bd6730a8824968ec25dccc727c29c9/test/handshake_helper.c/#L186 | static int early_select_server_ctx(SSL *s, void *arg, int ignore)
{
const char *servername;
const unsigned char *p;
size_t len, remaining;
HANDSHAKE_EX_DATA *ex_data =
(HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
if (!SSL_early_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) ||
remaining <= 2)
return 0;
len = (*(p++) << 1);
len += *(p++);
if (len + 2 != remaining)
return 0;
remaining = len;
if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
return 0;
remaining--;
if (remaining <= 2)
return 0;
len = (*(p++) << 1);
len += *(p++);
if (len + 2 > remaining)
return 0;
remaining = len;
servername = (const char *)p;
if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
SSL_CTX *new_ctx = arg;
SSL_set_SSL_CTX(s, new_ctx);
SSL_clear_options(s, 0xFFFFFFFFL);
SSL_set_options(s, SSL_CTX_get_options(new_ctx));
ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
return 1;
} else if (len == strlen("server1") &&
strncmp(servername, "server1", len) == 0) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return 1;
} else if (ignore) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return 1;
}
return 0;
} | ['static int early_select_server_ctx(SSL *s, void *arg, int ignore)\n{\n const char *servername;\n const unsigned char *p;\n size_t len, remaining;\n HANDSHAKE_EX_DATA *ex_data =\n (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));\n if (!SSL_early_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) ||\n remaining <= 2)\n return 0;\n len = (*(p++) << 1);\n len += *(p++);\n if (len + 2 != remaining)\n return 0;\n remaining = len;\n if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)\n return 0;\n remaining--;\n if (remaining <= 2)\n return 0;\n len = (*(p++) << 1);\n len += *(p++);\n if (len + 2 > remaining)\n return 0;\n remaining = len;\n servername = (const char *)p;\n if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {\n SSL_CTX *new_ctx = arg;\n SSL_set_SSL_CTX(s, new_ctx);\n SSL_clear_options(s, 0xFFFFFFFFL);\n SSL_set_options(s, SSL_CTX_get_options(new_ctx));\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;\n return 1;\n } else if (len == strlen("server1") &&\n strncmp(servername, "server1", len) == 0) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return 1;\n } else if (ignore) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return 1;\n }\n return 0;\n}', 'void *SSL_get_ex_data(const SSL *s, int idx)\n{\n return (CRYPTO_get_ex_data(&s->ex_data, idx));\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n return NULL;\n return sk_void_value(ad->sk, idx);\n}', 'SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)\n{\n CERT *new_cert;\n if (ssl->ctx == ctx)\n return ssl->ctx;\n if (ctx == NULL)\n ctx = ssl->session_ctx;\n new_cert = ssl_cert_dup(ctx->cert);\n if (new_cert == NULL) {\n return NULL;\n }\n ssl_cert_free(ssl->cert);\n ssl->cert = new_cert;\n OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx));\n if ((ssl->ctx != NULL) &&\n (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&\n (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {\n ssl->sid_ctx_length = ctx->sid_ctx_length;\n memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));\n }\n SSL_CTX_up_ref(ctx);\n SSL_CTX_free(ssl->ctx);\n ssl->ctx = ctx;\n return ssl->ctx;\n}', 'void ssl_cert_free(CERT *c)\n{\n int i;\n if (c == NULL)\n return;\n CRYPTO_DOWN_REF(&c->references, &i, c->lock);\n REF_PRINT_COUNT("CERT", c);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n#ifndef OPENSSL_NO_DH\n EVP_PKEY_free(c->dh_tmp);\n#endif\n ssl_cert_clear_certs(c);\n OPENSSL_free(c->conf_sigalgs);\n OPENSSL_free(c->client_sigalgs);\n OPENSSL_free(c->shared_sigalgs);\n OPENSSL_free(c->ctype);\n X509_STORE_free(c->verify_store);\n X509_STORE_free(c->chain_store);\n custom_exts_free(&c->cli_ext);\n custom_exts_free(&c->srv_ext);\n#ifndef OPENSSL_NO_PSK\n OPENSSL_free(c->psk_identity_hint);\n#endif\n CRYPTO_THREAD_lock_free(c->lock);\n OPENSSL_free(c);\n}', 'int SSL_CTX_up_ref(SSL_CTX *ctx)\n{\n int i;\n if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0)\n return 0;\n REF_PRINT_COUNT("SSL_CTX", ctx);\n REF_ASSERT_ISNT(i < 2);\n return ((i > 1) ? 1 : 0);\n}', 'static ossl_inline int CRYPTO_UP_REF(_Atomic int *val, int *ret, void *lock)\n{\n *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;\n return 1;\n}', 'unsigned long SSL_clear_options(SSL *s, unsigned long op)\n{\n return s->options &= ~op;\n}', 'unsigned long SSL_CTX_get_options(const SSL_CTX *ctx)\n{\n return ctx->options;\n}', 'unsigned long SSL_set_options(SSL *s, unsigned long op)\n{\n return s->options |= op;\n}'] |
8,186 | 0 | https://github.com/libav/libav/blob/12f0388f9cb32016ac0dacaeca631b088b29bb96/libavcodec/smacker.c/#L629 | static int smka_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
GetBitContext gb;
HuffContext h[4] = { { 0 } };
VLC vlc[4] = { { 0 } };
int16_t *samples;
uint8_t *samples8;
int val;
int i, res, ret;
int unp_size;
int bits, stereo;
int pred[2] = {0, 0};
if (buf_size <= 4) {
av_log(avctx, AV_LOG_ERROR, "packet is too small\n");
return AVERROR(EINVAL);
}
unp_size = AV_RL32(buf);
init_get_bits(&gb, buf + 4, (buf_size - 4) * 8);
if(!get_bits1(&gb)){
av_log(avctx, AV_LOG_INFO, "Sound: no data\n");
*got_frame_ptr = 0;
return 1;
}
stereo = get_bits1(&gb);
bits = get_bits1(&gb);
if (stereo ^ (avctx->channels != 1)) {
av_log(avctx, AV_LOG_ERROR, "channels mismatch\n");
return AVERROR(EINVAL);
}
if (bits && avctx->sample_fmt == AV_SAMPLE_FMT_U8) {
av_log(avctx, AV_LOG_ERROR, "sample format mismatch\n");
return AVERROR(EINVAL);
}
frame->nb_samples = unp_size / (avctx->channels * (bits + 1));
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
samples = (int16_t *)frame->data[0];
samples8 = frame->data[0];
for(i = 0; i < (1 << (bits + stereo)); i++) {
h[i].length = 256;
h[i].maxlength = 0;
h[i].current = 0;
h[i].bits = av_mallocz(256 * 4);
h[i].lengths = av_mallocz(256 * sizeof(int));
h[i].values = av_mallocz(256 * sizeof(int));
if (!h[i].bits || !h[i].lengths || !h[i].values) {
ret = AVERROR(ENOMEM);
goto error;
}
skip_bits1(&gb);
if (smacker_decode_tree(&gb, &h[i], 0, 0) < 0) {
ret = AVERROR_INVALIDDATA;
goto error;
}
skip_bits1(&gb);
if(h[i].current > 1) {
res = init_vlc(&vlc[i], SMKTREE_BITS, h[i].length,
h[i].lengths, sizeof(int), sizeof(int),
h[i].bits, sizeof(uint32_t), sizeof(uint32_t), INIT_VLC_LE);
if(res < 0) {
av_log(avctx, AV_LOG_ERROR, "Cannot build VLC table\n");
ret = AVERROR_INVALIDDATA;
goto error;
}
}
}
if(bits) {
for(i = stereo; i >= 0; i--)
pred[i] = sign_extend(av_bswap16(get_bits(&gb, 16)), 16);
for(i = 0; i <= stereo; i++)
*samples++ = pred[i];
for(; i < unp_size / 2; i++) {
if(i & stereo) {
if(vlc[2].table)
res = get_vlc2(&gb, vlc[2].table, SMKTREE_BITS, 3);
else
res = 0;
val = h[2].values[res];
if(vlc[3].table)
res = get_vlc2(&gb, vlc[3].table, SMKTREE_BITS, 3);
else
res = 0;
val |= h[3].values[res] << 8;
pred[1] += sign_extend(val, 16);
*samples++ = pred[1];
} else {
if(vlc[0].table)
res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);
else
res = 0;
val = h[0].values[res];
if(vlc[1].table)
res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
else
res = 0;
val |= h[1].values[res] << 8;
pred[0] += sign_extend(val, 16);
*samples++ = pred[0];
}
}
} else {
for(i = stereo; i >= 0; i--)
pred[i] = get_bits(&gb, 8);
for(i = 0; i <= stereo; i++)
*samples8++ = pred[i];
for(; i < unp_size; i++) {
if(i & stereo){
if(vlc[1].table)
res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
else
res = 0;
pred[1] += sign_extend(h[1].values[res], 8);
*samples8++ = pred[1];
} else {
if(vlc[0].table)
res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);
else
res = 0;
pred[0] += sign_extend(h[0].values[res], 8);
*samples8++ = pred[0];
}
}
}
*got_frame_ptr = 1;
ret = buf_size;
error:
for(i = 0; i < 4; i++) {
if(vlc[i].table)
ff_free_vlc(&vlc[i]);
av_free(h[i].bits);
av_free(h[i].lengths);
av_free(h[i].values);
}
return ret;
} | ['static int smka_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame_ptr, AVPacket *avpkt)\n{\n AVFrame *frame = data;\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n GetBitContext gb;\n HuffContext h[4] = { { 0 } };\n VLC vlc[4] = { { 0 } };\n int16_t *samples;\n uint8_t *samples8;\n int val;\n int i, res, ret;\n int unp_size;\n int bits, stereo;\n int pred[2] = {0, 0};\n if (buf_size <= 4) {\n av_log(avctx, AV_LOG_ERROR, "packet is too small\\n");\n return AVERROR(EINVAL);\n }\n unp_size = AV_RL32(buf);\n init_get_bits(&gb, buf + 4, (buf_size - 4) * 8);\n if(!get_bits1(&gb)){\n av_log(avctx, AV_LOG_INFO, "Sound: no data\\n");\n *got_frame_ptr = 0;\n return 1;\n }\n stereo = get_bits1(&gb);\n bits = get_bits1(&gb);\n if (stereo ^ (avctx->channels != 1)) {\n av_log(avctx, AV_LOG_ERROR, "channels mismatch\\n");\n return AVERROR(EINVAL);\n }\n if (bits && avctx->sample_fmt == AV_SAMPLE_FMT_U8) {\n av_log(avctx, AV_LOG_ERROR, "sample format mismatch\\n");\n return AVERROR(EINVAL);\n }\n frame->nb_samples = unp_size / (avctx->channels * (bits + 1));\n if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return ret;\n }\n samples = (int16_t *)frame->data[0];\n samples8 = frame->data[0];\n for(i = 0; i < (1 << (bits + stereo)); i++) {\n h[i].length = 256;\n h[i].maxlength = 0;\n h[i].current = 0;\n h[i].bits = av_mallocz(256 * 4);\n h[i].lengths = av_mallocz(256 * sizeof(int));\n h[i].values = av_mallocz(256 * sizeof(int));\n if (!h[i].bits || !h[i].lengths || !h[i].values) {\n ret = AVERROR(ENOMEM);\n goto error;\n }\n skip_bits1(&gb);\n if (smacker_decode_tree(&gb, &h[i], 0, 0) < 0) {\n ret = AVERROR_INVALIDDATA;\n goto error;\n }\n skip_bits1(&gb);\n if(h[i].current > 1) {\n res = init_vlc(&vlc[i], SMKTREE_BITS, h[i].length,\n h[i].lengths, sizeof(int), sizeof(int),\n h[i].bits, sizeof(uint32_t), sizeof(uint32_t), INIT_VLC_LE);\n if(res < 0) {\n av_log(avctx, AV_LOG_ERROR, "Cannot build VLC table\\n");\n ret = AVERROR_INVALIDDATA;\n goto error;\n }\n }\n }\n if(bits) {\n for(i = stereo; i >= 0; i--)\n pred[i] = sign_extend(av_bswap16(get_bits(&gb, 16)), 16);\n for(i = 0; i <= stereo; i++)\n *samples++ = pred[i];\n for(; i < unp_size / 2; i++) {\n if(i & stereo) {\n if(vlc[2].table)\n res = get_vlc2(&gb, vlc[2].table, SMKTREE_BITS, 3);\n else\n res = 0;\n val = h[2].values[res];\n if(vlc[3].table)\n res = get_vlc2(&gb, vlc[3].table, SMKTREE_BITS, 3);\n else\n res = 0;\n val |= h[3].values[res] << 8;\n pred[1] += sign_extend(val, 16);\n *samples++ = pred[1];\n } else {\n if(vlc[0].table)\n res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);\n else\n res = 0;\n val = h[0].values[res];\n if(vlc[1].table)\n res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);\n else\n res = 0;\n val |= h[1].values[res] << 8;\n pred[0] += sign_extend(val, 16);\n *samples++ = pred[0];\n }\n }\n } else {\n for(i = stereo; i >= 0; i--)\n pred[i] = get_bits(&gb, 8);\n for(i = 0; i <= stereo; i++)\n *samples8++ = pred[i];\n for(; i < unp_size; i++) {\n if(i & stereo){\n if(vlc[1].table)\n res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);\n else\n res = 0;\n pred[1] += sign_extend(h[1].values[res], 8);\n *samples8++ = pred[1];\n } else {\n if(vlc[0].table)\n res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);\n else\n res = 0;\n pred[0] += sign_extend(h[0].values[res], 8);\n *samples8++ = pred[0];\n }\n }\n }\n *got_frame_ptr = 1;\n ret = buf_size;\nerror:\n for(i = 0; i < 4; i++) {\n if(vlc[i].table)\n ff_free_vlc(&vlc[i]);\n av_free(h[i].bits);\n av_free(h[i].lengths);\n av_free(h[i].values);\n }\n return ret;\n}', 'static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,\n int bit_size)\n{\n int buffer_size;\n int ret = 0;\n if (bit_size > INT_MAX - 7 || bit_size < 0 || !buffer) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n ret = AVERROR_INVALIDDATA;\n }\n buffer_size = (bit_size + 7) >> 3;\n s->buffer = buffer;\n s->size_in_bits = bit_size;\n#if !UNCHECKED_BITSTREAM_READER\n s->size_in_bits_plus8 = bit_size + 8;\n#endif\n s->buffer_end = buffer + buffer_size;\n s->index = 0;\n return ret;\n}', 'static inline unsigned int get_bits1(GetBitContext *s)\n{\n unsigned int index = s->index;\n uint8_t result = s->buffer[index >> 3];\n#ifdef BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n#if !UNCHECKED_BITSTREAM_READER\n if (s->index < s->size_in_bits_plus8)\n#endif\n index++;\n s->index = index;\n return result;\n}'] |
8,187 | 0 | https://github.com/openssl/openssl/blob/3ba25ee86a3758cc659c954b59718d8397030768/crypto/asn1/t_x509.c/#L388 | int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
{
char *v;
int gmt=0;
int i;
int y=0,M=0,d=0,h=0,m=0,s=0;
i=tm->length;
v=(char *)tm->data;
if (i < 12) goto err;
if (v[i-1] == 'Z') gmt=1;
for (i=0; i<12; i++)
if ((v[i] > '9') || (v[i] < '0')) goto err;
y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
M= (v[4]-'0')*10+(v[5]-'0');
if ((M > 12) || (M < 1)) goto err;
d= (v[6]-'0')*10+(v[7]-'0');
h= (v[8]-'0')*10+(v[9]-'0');
m= (v[10]-'0')*10+(v[11]-'0');
if ( (v[12] >= '0') && (v[12] <= '9') &&
(v[13] >= '0') && (v[13] <= '9'))
s= (v[12]-'0')*10+(v[13]-'0');
if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
return(0);
else
return(1);
err:
BIO_write(bp,"Bad time value",14);
return(0);
} | ['static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *cutoff, BIO *bp, int ind)\n{\n\tif (!BIO_printf(bp, "%*s", ind, "")) return 0;\n\tif(!ASN1_GENERALIZEDTIME_print(bp, cutoff)) return 0;\n\treturn 1;\n}', 'int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)\n\t{\n\tchar *v;\n\tint gmt=0;\n\tint i;\n\tint y=0,M=0,d=0,h=0,m=0,s=0;\n\ti=tm->length;\n\tv=(char *)tm->data;\n\tif (i < 12) goto err;\n\tif (v[i-1] == \'Z\') gmt=1;\n\tfor (i=0; i<12; i++)\n\t\tif ((v[i] > \'9\') || (v[i] < \'0\')) goto err;\n\ty= (v[0]-\'0\')*1000+(v[1]-\'0\')*100 + (v[2]-\'0\')*10+(v[3]-\'0\');\n\tM= (v[4]-\'0\')*10+(v[5]-\'0\');\n\tif ((M > 12) || (M < 1)) goto err;\n\td= (v[6]-\'0\')*10+(v[7]-\'0\');\n\th= (v[8]-\'0\')*10+(v[9]-\'0\');\n\tm= (v[10]-\'0\')*10+(v[11]-\'0\');\n\tif (\t(v[12] >= \'0\') && (v[12] <= \'9\') &&\n\t\t(v[13] >= \'0\') && (v[13] <= \'9\'))\n\t\ts= (v[12]-\'0\')*10+(v[13]-\'0\');\n\tif (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",\n\t\tmon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)\n\t\treturn(0);\n\telse\n\t\treturn(1);\nerr:\n\tBIO_write(bp,"Bad time value",14);\n\treturn(0);\n\t}'] |
8,188 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_lib.c/#L536 | int BN_set_word(BIGNUM *a, BN_ULONG w)
{
bn_check_top(a);
if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
return (0);
a->neg = 0;
a->d[0] = w;
a->top = (w ? 1 : 0);
bn_check_top(a);
return (1);
} | ['static int probable_prime_dh_safe(BIGNUM *p, int bits, const BIGNUM *padd,\n const BIGNUM *rem, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *t1, *qadd, *q;\n bits--;\n BN_CTX_start(ctx);\n t1 = BN_CTX_get(ctx);\n q = BN_CTX_get(ctx);\n qadd = BN_CTX_get(ctx);\n if (qadd == NULL)\n goto err;\n if (!BN_rshift1(qadd, padd))\n goto err;\n if (!BN_rand(q, bits, 0, 1))\n goto err;\n if (!BN_mod(t1, q, qadd, ctx))\n goto err;\n if (!BN_sub(q, q, t1))\n goto err;\n if (rem == NULL) {\n if (!BN_add_word(q, 1))\n goto err;\n } else {\n if (!BN_rshift1(t1, rem))\n goto err;\n if (!BN_add(q, q, t1))\n goto err;\n }\n if (!BN_lshift1(p, q))\n goto err;\n if (!BN_add_word(p, 1))\n goto err;\n loop:\n for (i = 1; i < NUMPRIMES; i++) {\n if ((BN_mod_word(p, (BN_ULONG)primes[i]) == 0) ||\n (BN_mod_word(q, (BN_ULONG)primes[i]) == 0)) {\n if (!BN_add(p, p, padd))\n goto err;\n if (!BN_add(q, q, qadd))\n goto err;\n goto loop;\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(p);\n return (ret);\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_rshift1(BIGNUM *r, const BIGNUM *a)\n{\n BN_ULONG *ap, *rp, t, c;\n int i, j;\n bn_check_top(r);\n bn_check_top(a);\n if (BN_is_zero(a)) {\n BN_zero(r);\n return (1);\n }\n i = a->top;\n ap = a->d;\n j = i - (ap[i - 1] == 1);\n if (a != r) {\n if (bn_wexpand(r, j) == NULL)\n return (0);\n r->neg = a->neg;\n }\n rp = r->d;\n t = ap[--i];\n c = (t & 1) ? BN_TBIT : 0;\n if (t >>= 1)\n rp[i] = t;\n while (i > 0) {\n t = ap[--i];\n rp[i] = ((t >> 1) & BN_MASK2) | c;\n c = (t & 1) ? BN_TBIT : 0;\n }\n r->top = j;\n bn_check_top(r);\n return (1);\n}'] |
8,189 | 0 | https://github.com/libav/libav/blob/424b1e764263b1493de4c34365ef367ddae856db/libavformat/assdec.c/#L160 | static int read_packet(AVFormatContext *s, AVPacket *pkt)
{
ASSContext *ass = s->priv_data;
uint8_t *p, *end;
if(ass->event_index >= ass->event_count)
return AVERROR(EIO);
p= ass->event[ ass->event_index ];
end= strchr(p, '\n');
av_new_packet(pkt, end ? end-p+1 : strlen(p));
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->pos= p - ass->event_buffer + s->streams[0]->codec->extradata_size;
pkt->pts= pkt->dts= get_pts(p);
memcpy(pkt->data, p, pkt->size);
ass->event_index++;
return 0;
} | ["static int read_packet(AVFormatContext *s, AVPacket *pkt)\n{\n ASSContext *ass = s->priv_data;\n uint8_t *p, *end;\n if(ass->event_index >= ass->event_count)\n return AVERROR(EIO);\n p= ass->event[ ass->event_index ];\n end= strchr(p, '\\n');\n av_new_packet(pkt, end ? end-p+1 : strlen(p));\n pkt->flags |= AV_PKT_FLAG_KEY;\n pkt->pos= p - ass->event_buffer + s->streams[0]->codec->extradata_size;\n pkt->pts= pkt->dts= get_pts(p);\n memcpy(pkt->data, p, pkt->size);\n ass->event_index++;\n return 0;\n}", 'int av_new_packet(AVPacket *pkt, int size)\n{\n uint8_t *data = NULL;\n if ((unsigned)size < (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE)\n data = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);\n if (data) {\n memset(data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);\n } else\n size = 0;\n av_init_packet(pkt);\n pkt->data = data;\n pkt->size = size;\n pkt->destruct = av_destruct_packet;\n if (!data)\n return AVERROR(ENOMEM);\n return 0;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if (size > (INT_MAX - 32) || !size)\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size + 32);\n if (!ptr)\n return ptr;\n diff = ((-(long)ptr - 1) & 31) + 1;\n ptr = (char *)ptr + diff;\n ((char *)ptr)[-1] = diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr, 32, size))\n ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n ptr = memalign(32, size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}', 'void av_init_packet(AVPacket *pkt)\n{\n pkt->pts = AV_NOPTS_VALUE;\n pkt->dts = AV_NOPTS_VALUE;\n pkt->pos = -1;\n pkt->duration = 0;\n pkt->convergence_duration = 0;\n pkt->flags = 0;\n pkt->stream_index = 0;\n pkt->destruct = NULL;\n pkt->side_data = NULL;\n pkt->side_data_elems = 0;\n}', 'static int64_t get_pts(const uint8_t *p)\n{\n int hour, min, sec, hsec;\n if(sscanf(p, "%*[^,],%d:%d:%d%*c%d", &hour, &min, &sec, &hsec) != 4)\n return AV_NOPTS_VALUE;\n av_dlog(NULL, "%d %d %d %d [%s]\\n", hour, min, sec, hsec, p);\n min+= 60*hour;\n sec+= 60*min;\n return sec*100+hsec;\n}'] |
8,190 | 0 | https://github.com/nginx/nginx/blob/c07bebdcd116d04c96c71126b86a5ba13737db78/src/http/modules/ngx_http_fastcgi_module.c/#L3343 | static char *
ngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_fastcgi_loc_conf_t *flcf = conf;
ngx_str_t *value;
ngx_http_complex_value_t cv;
ngx_http_compile_complex_value_t ccv;
value = cf->args->elts;
if (flcf->upstream.cache != NGX_CONF_UNSET) {
return "is duplicate";
}
if (ngx_strcmp(value[1].data, "off") == 0) {
flcf->upstream.cache = 0;
return NGX_CONF_OK;
}
if (flcf->upstream.store > 0) {
return "is incompatible with \"fastcgi_store\"";
}
flcf->upstream.cache = 1;
ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
ccv.cf = cf;
ccv.value = &value[1];
ccv.complex_value = &cv;
if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
return NGX_CONF_ERROR;
}
if (cv.lengths != NULL) {
flcf->upstream.cache_value = ngx_palloc(cf->pool,
sizeof(ngx_http_complex_value_t));
if (flcf->upstream.cache_value == NULL) {
return NGX_CONF_ERROR;
}
*flcf->upstream.cache_value = cv;
return NGX_CONF_OK;
}
flcf->upstream.cache_zone = ngx_shared_memory_add(cf, &value[1], 0,
&ngx_http_fastcgi_module);
if (flcf->upstream.cache_zone == NULL) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
} | ['static char *\nngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)\n{\n ngx_http_fastcgi_loc_conf_t *flcf = conf;\n ngx_str_t *value;\n ngx_http_complex_value_t cv;\n ngx_http_compile_complex_value_t ccv;\n value = cf->args->elts;\n if (flcf->upstream.cache != NGX_CONF_UNSET) {\n return "is duplicate";\n }\n if (ngx_strcmp(value[1].data, "off") == 0) {\n flcf->upstream.cache = 0;\n return NGX_CONF_OK;\n }\n if (flcf->upstream.store > 0) {\n return "is incompatible with \\"fastcgi_store\\"";\n }\n flcf->upstream.cache = 1;\n ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));\n ccv.cf = cf;\n ccv.value = &value[1];\n ccv.complex_value = &cv;\n if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {\n return NGX_CONF_ERROR;\n }\n if (cv.lengths != NULL) {\n flcf->upstream.cache_value = ngx_palloc(cf->pool,\n sizeof(ngx_http_complex_value_t));\n if (flcf->upstream.cache_value == NULL) {\n return NGX_CONF_ERROR;\n }\n *flcf->upstream.cache_value = cv;\n return NGX_CONF_OK;\n }\n flcf->upstream.cache_zone = ngx_shared_memory_add(cf, &value[1], 0,\n &ngx_http_fastcgi_module);\n if (flcf->upstream.cache_zone == NULL) {\n return NGX_CONF_ERROR;\n }\n return NGX_CONF_OK;\n}'] |
8,191 | 0 | https://github.com/openssl/openssl/blob/fa9bb6201e1d16ba8ccab938833d140ef81a7f73/crypto/bn/bn_shift.c/#L211 | int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, j, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l, tmp;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
rb = n % BN_BITS2;
lb = BN_BITS2 - rb;
if (nw >= a->top || a->top == 0) {
BN_zero(r);
return (1);
}
i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;
if (r != a) {
r->neg = a->neg;
if (bn_wexpand(r, i) == NULL)
return (0);
} else {
if (n == 0)
return 1;
}
f = &(a->d[nw]);
t = r->d;
j = a->top - nw;
r->top = i;
if (rb == 0) {
for (i = j; i != 0; i--)
*(t++) = *(f++);
} else {
l = *(f++);
for (i = j - 1; i != 0; i--) {
tmp = (l >> rb) & BN_MASK2;
l = *(f++);
*(t++) = (tmp | (l << lb)) & BN_MASK2;
}
if ((l = (l >> rb) & BN_MASK2))
*(t) = l;
}
bn_check_top(r);
return (1);
} | ['int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n top = m->top;\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n#ifdef RSAZ_ENABLED\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n if ((top & 7) == 0)\n powerbufLen += 2 * top * sizeof(m->d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!BN_to_montgomery(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_mod(&am, a, m, ctx))\n goto err;\n if (!BN_to_montgomery(&am, &am, mont, ctx))\n goto err;\n } else if (!BN_to_montgomery(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits >= 0) {\n if (bits < stride)\n stride = bits + 1;\n bits -= stride;\n wvalue = bn_get_bits(p, bits + 1);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0, *np2;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n if (top & 7)\n np2 = np;\n else\n for (np2 = am.d + top, i = 0; i < top; i++)\n np2[2 * i] = np[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7)\n while (bits >= 0) {\n for (wvalue = 0, i = 0; i < 5; i++, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n } else {\n while (bits >= 0) {\n wvalue = bn_get_bits5(p->d, bits - 4);\n bits -= 5;\n bn_power5(tmp.d, tmp.d, powerbuf, np2, n0, top, wvalue);\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np2, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, numPowers))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, numPowers))\n goto err;\n if (window > 1) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF\n (&tmp, top, powerbuf, 2, numPowers))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF\n (&tmp, top, powerbuf, i, numPowers))\n goto err;\n }\n }\n bits--;\n for (wvalue = 0, i = bits % window; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF\n (&tmp, top, powerbuf, wvalue, numPowers))\n goto err;\n while (bits >= 0) {\n wvalue = 0;\n for (i = 0; i < window; i++, bits--) {\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n }\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF\n (&am, top, powerbuf, wvalue, numPowers))\n goto err;\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (pnoinv)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, j, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l, tmp;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n rb = n % BN_BITS2;\n lb = BN_BITS2 - rb;\n if (nw >= a->top || a->top == 0) {\n BN_zero(r);\n return (1);\n }\n i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;\n if (r != a) {\n r->neg = a->neg;\n if (bn_wexpand(r, i) == NULL)\n return (0);\n } else {\n if (n == 0)\n return 1;\n }\n f = &(a->d[nw]);\n t = r->d;\n j = a->top - nw;\n r->top = i;\n if (rb == 0) {\n for (i = j; i != 0; i--)\n *(t++) = *(f++);\n } else {\n l = *(f++);\n for (i = j - 1; i != 0; i--) {\n tmp = (l >> rb) & BN_MASK2;\n l = *(f++);\n *(t++) = (tmp | (l << lb)) & BN_MASK2;\n }\n if ((l = (l >> rb) & BN_MASK2))\n *(t) = l;\n }\n bn_check_top(r);\n return (1);\n}'] |
8,192 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L197 | static void pred4x4_down_left_rv40_c(uint8_t *src, uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
LOAD_LEFT_EDGE
LOAD_DOWN_LEFT_EDGE
src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
src[1+0*stride]=
src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
src[2+0*stride]=
src[1+1*stride]=
src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + l4 + 2*l3 + 2)>>3;
src[3+0*stride]=
src[2+1*stride]=
src[1+2*stride]=
src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3 + l5 + 2*l4 + 2)>>3;
src[3+1*stride]=
src[2+2*stride]=
src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;
src[3+2*stride]=
src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;
src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;
} | ['static void pred4x4_down_left_rv40_c(uint8_t *src, uint8_t *topright, int stride){\n LOAD_TOP_EDGE\n LOAD_TOP_RIGHT_EDGE\n LOAD_LEFT_EDGE\n LOAD_DOWN_LEFT_EDGE\n src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;\n src[1+0*stride]=\n src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;\n src[2+0*stride]=\n src[1+1*stride]=\n src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + l4 + 2*l3 + 2)>>3;\n src[3+0*stride]=\n src[2+1*stride]=\n src[1+2*stride]=\n src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3 + l5 + 2*l4 + 2)>>3;\n src[3+1*stride]=\n src[2+2*stride]=\n src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;\n src[3+2*stride]=\n src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;\n src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;\n}'] |
8,193 | 0 | https://github.com/libav/libav/blob/77b0443544fd5f5c3f974b7a4fa4f2f18f7ba8df/libavformat/mxfenc.c/#L360 | static void mxf_write_identification(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
int length, company_name_len, product_name_len, version_string_len;
mxf_write_metadata_key(pb, 0x013000);
PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
company_name_len = sizeof("FFmpeg");
product_name_len = sizeof("OP1a Muxer");
length = 80 + company_name_len + product_name_len;
if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {
version_string_len = sizeof(LIBAVFORMAT_IDENT);
length += 4 + version_string_len;
}
klv_encode_ber_length(pb, length);
mxf_write_local_tag(pb, 16, 0x3C0A);
mxf_write_uuid(pb, Identification, 0);
PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
mxf_write_local_tag(pb, 16, 0x3C09);
mxf_write_uuid(pb, Identification, 1);
mxf_write_local_tag(pb, company_name_len, 0x3C01);
put_buffer(pb, "FFmpeg", company_name_len);
mxf_write_local_tag(pb, product_name_len, 0x3C02);
put_buffer(pb, "OP1a Muxer", product_name_len);
if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {
mxf_write_local_tag(pb, version_string_len, 0x3C04);
put_buffer(pb, LIBAVFORMAT_IDENT, version_string_len);
}
mxf_write_local_tag(pb, 16, 0x3C05);
mxf_write_uuid(pb, Identification, 2);
mxf_write_local_tag(pb, 8, 0x3C06);
put_be64(pb, 0);
} | ['static void mxf_write_identification(AVFormatContext *s)\n{\n ByteIOContext *pb = s->pb;\n int length, company_name_len, product_name_len, version_string_len;\n mxf_write_metadata_key(pb, 0x013000);\n PRINT_KEY(s, "identification key", pb->buf_ptr - 16);\n company_name_len = sizeof("FFmpeg");\n product_name_len = sizeof("OP1a Muxer");\n length = 80 + company_name_len + product_name_len;\n if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {\n version_string_len = sizeof(LIBAVFORMAT_IDENT);\n length += 4 + version_string_len;\n }\n klv_encode_ber_length(pb, length);\n mxf_write_local_tag(pb, 16, 0x3C0A);\n mxf_write_uuid(pb, Identification, 0);\n PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);\n mxf_write_local_tag(pb, 16, 0x3C09);\n mxf_write_uuid(pb, Identification, 1);\n mxf_write_local_tag(pb, company_name_len, 0x3C01);\n put_buffer(pb, "FFmpeg", company_name_len);\n mxf_write_local_tag(pb, product_name_len, 0x3C02);\n put_buffer(pb, "OP1a Muxer", product_name_len);\n if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {\n mxf_write_local_tag(pb, version_string_len, 0x3C04);\n put_buffer(pb, LIBAVFORMAT_IDENT, version_string_len);\n }\n mxf_write_local_tag(pb, 16, 0x3C05);\n mxf_write_uuid(pb, Identification, 2);\n mxf_write_local_tag(pb, 8, 0x3C06);\n put_be64(pb, 0);\n}'] |
8,194 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/cmdutils.c/#L143 | void parse_options(int argc, char **argv, const OptionDef *options,
void (* parse_arg_function)(const char*))
{
const char *opt, *arg;
int optindex, handleoptions=1;
const OptionDef *po;
optindex = 1;
while (optindex < argc) {
opt = argv[optindex++];
if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
if (opt[1] == '-' && opt[2] == '\0') {
handleoptions = 0;
continue;
}
po= find_option(options, opt + 1);
if (!po->name)
po= find_option(options, "default");
if (!po->name) {
unknown_opt:
fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
exit(1);
}
arg = NULL;
if (po->flags & HAS_ARG) {
arg = argv[optindex++];
if (!arg) {
fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
exit(1);
}
}
if (po->flags & OPT_STRING) {
char *str;
str = av_strdup(arg);
*po->u.str_arg = str;
} else if (po->flags & OPT_BOOL) {
*po->u.int_arg = 1;
} else if (po->flags & OPT_INT) {
*po->u.int_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT_MIN, INT_MAX);
} else if (po->flags & OPT_INT64) {
*po->u.int64_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT64_MIN, INT64_MAX);
} else if (po->flags & OPT_FLOAT) {
*po->u.float_arg = parse_number_or_die(opt+1, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
} else if (po->flags & OPT_FUNC2) {
if(po->u.func2_arg(opt+1, arg)<0)
goto unknown_opt;
} else {
po->u.func_arg(arg);
}
} else {
if (parse_arg_function)
parse_arg_function(opt);
}
}
} | ['void parse_options(int argc, char **argv, const OptionDef *options,\n void (* parse_arg_function)(const char*))\n{\n const char *opt, *arg;\n int optindex, handleoptions=1;\n const OptionDef *po;\n optindex = 1;\n while (optindex < argc) {\n opt = argv[optindex++];\n if (handleoptions && opt[0] == \'-\' && opt[1] != \'\\0\') {\n if (opt[1] == \'-\' && opt[2] == \'\\0\') {\n handleoptions = 0;\n continue;\n }\n po= find_option(options, opt + 1);\n if (!po->name)\n po= find_option(options, "default");\n if (!po->name) {\nunknown_opt:\n fprintf(stderr, "%s: unrecognized option \'%s\'\\n", argv[0], opt);\n exit(1);\n }\n arg = NULL;\n if (po->flags & HAS_ARG) {\n arg = argv[optindex++];\n if (!arg) {\n fprintf(stderr, "%s: missing argument for option \'%s\'\\n", argv[0], opt);\n exit(1);\n }\n }\n if (po->flags & OPT_STRING) {\n char *str;\n str = av_strdup(arg);\n *po->u.str_arg = str;\n } else if (po->flags & OPT_BOOL) {\n *po->u.int_arg = 1;\n } else if (po->flags & OPT_INT) {\n *po->u.int_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT_MIN, INT_MAX);\n } else if (po->flags & OPT_INT64) {\n *po->u.int64_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT64_MIN, INT64_MAX);\n } else if (po->flags & OPT_FLOAT) {\n *po->u.float_arg = parse_number_or_die(opt+1, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);\n } else if (po->flags & OPT_FUNC2) {\n if(po->u.func2_arg(opt+1, arg)<0)\n goto unknown_opt;\n } else {\n po->u.func_arg(arg);\n }\n } else {\n if (parse_arg_function)\n parse_arg_function(opt);\n }\n }\n}', 'double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)\n{\n char *tail;\n const char *error;\n double d = strtod(numstr, &tail);\n if (*tail)\n error= "Expected number for %s but found: %s\\n";\n else if (d < min || d > max)\n error= "The value for %s was %s which is not within %f - %f\\n";\n else if(type == OPT_INT64 && (int64_t)d != d)\n error= "Expected int64 for %s but found %s\\n";\n else\n return d;\n fprintf(stderr, error, context, numstr, min, max);\n exit(1);\n}'] |
8,195 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_lib.c/#L250 | int BN_num_bits(const BIGNUM *a)
{
int i = a->top - 1;
bn_check_top(a);
if (BN_is_zero(a)) return 0;
return ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));
} | ['BIGNUM *BN_mpi2bn(const unsigned char *d, size_t n, BIGNUM *a)\n\t{\n\tlong len;\n\tint neg=0;\n\tif (n < 4)\n\t\t{\n\t\tBNerr(BN_F_BN_MPI2BN,BN_R_INVALID_LENGTH);\n\t\treturn(NULL);\n\t\t}\n\tlen=((long)d[0]<<24)|((long)d[1]<<16)|((int)d[2]<<8)|(int)d[3];\n\tif ((len+4) != n)\n\t\t{\n\t\tBNerr(BN_F_BN_MPI2BN,BN_R_ENCODING_ERROR);\n\t\treturn(NULL);\n\t\t}\n\tif (a == NULL) a=BN_new();\n\tif (a == NULL) return(NULL);\n\tif (len == 0)\n\t\t{\n\t\ta->neg=0;\n\t\ta->top=0;\n\t\treturn(a);\n\t\t}\n\td+=4;\n\tif ((*d) & 0x80)\n\t\tneg=1;\n\tif (BN_bin2bn(d,(int)len,a) == NULL)\n\t\treturn(NULL);\n\ta->neg=neg;\n\tif (neg)\n\t\t{\n\t\tBN_clear_bit(a,BN_num_bits(a)-1);\n\t\t}\n\tbn_check_top(a);\n\treturn(a);\n\t}', 'BIGNUM *BN_bin2bn(const unsigned char *s, size_t len, BIGNUM *ret)\n\t{\n\tunsigned int i,m;\n\tunsigned int n;\n\tBN_ULONG l;\n\tBIGNUM *bn = NULL;\n\tif (ret == NULL)\n\t\tret = bn = BN_new();\n\tif (ret == NULL) return(NULL);\n\tbn_check_top(ret);\n\tl=0;\n\tn=len;\n\tif (n == 0)\n\t\t{\n\t\tret->top=0;\n\t\treturn(ret);\n\t\t}\n\ti=((n-1)/BN_BYTES)+1;\n\tm=((n-1)%(BN_BYTES));\n\tif (bn_wexpand(ret, i) == NULL)\n\t\t{\n\t\tif (bn) BN_free(bn);\n\t\treturn NULL;\n\t\t}\n\tret->top=i;\n\tret->neg=0;\n\twhile (n--)\n\t\t{\n\t\tl=(l<<8L)| *(s++);\n\t\tif (m-- == 0)\n\t\t\t{\n\t\t\tret->d[--i]=l;\n\t\t\tl=0;\n\t\t\tm=BN_BYTES-1;\n\t\t\t}\n\t\t}\n\tbn_correct_top(ret);\n\treturn(ret);\n\t}', 'int BN_num_bits(const BIGNUM *a)\n\t{\n\tint i = a->top - 1;\n\tbn_check_top(a);\n\tif (BN_is_zero(a)) return 0;\n\treturn ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));\n\t}'] |
8,196 | 0 | https://github.com/libav/libav/blob/28240a60c1b5ce276e947ba013271ec009adc078/libavcodec/ansi.c/#L229 | static int execute_code(AVCodecContext * avctx, int c)
{
AnsiContext *s = avctx->priv_data;
int ret, i, width, height;
switch(c) {
case 'A':
s->y = FFMAX(s->y - (s->nb_args > 0 ? s->args[0]*s->font_height : s->font_height), 0);
break;
case 'B':
s->y = FFMIN(s->y + (s->nb_args > 0 ? s->args[0]*s->font_height : s->font_height), avctx->height - s->font_height);
break;
case 'C':
s->x = FFMIN(s->x + (s->nb_args > 0 ? s->args[0]*FONT_WIDTH : FONT_WIDTH), avctx->width - FONT_WIDTH);
break;
case 'D':
s->x = FFMAX(s->x - (s->nb_args > 0 ? s->args[0]*FONT_WIDTH : FONT_WIDTH), 0);
break;
case 'H':
case 'f':
s->y = s->nb_args > 0 ? av_clip((s->args[0] - 1)*s->font_height, 0, avctx->height - s->font_height) : 0;
s->x = s->nb_args > 1 ? av_clip((s->args[1] - 1)*FONT_WIDTH, 0, avctx->width - FONT_WIDTH) : 0;
break;
case 'h':
case 'l':
if (s->nb_args < 2)
s->args[0] = DEFAULT_SCREEN_MODE;
switch(s->args[0]) {
case 0: case 1: case 4: case 5: case 13: case 19:
s->font = ff_cga_font;
s->font_height = 8;
width = 40<<3;
height = 25<<3;
break;
case 2: case 3:
s->font = ff_vga16_font;
s->font_height = 16;
width = 80<<3;
height = 25<<4;
break;
case 6: case 14:
s->font = ff_cga_font;
s->font_height = 8;
width = 80<<3;
height = 25<<3;
break;
case 7:
break;
case 15: case 16:
s->font = ff_cga_font;
s->font_height = 8;
width = 80<<3;
height = 43<<3;
break;
case 17: case 18:
s->font = ff_cga_font;
s->font_height = 8;
width = 80<<3;
height = 60<<4;
break;
default:
avpriv_request_sample(avctx, "Unsupported screen mode");
}
if (width != avctx->width || height != avctx->height) {
av_frame_unref(s->frame);
ret = ff_set_dimensions(avctx, width, height);
if (ret < 0)
return ret;
ret = ff_get_buffer(avctx, s->frame, AV_GET_BUFFER_FLAG_REF);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
s->frame->pict_type = AV_PICTURE_TYPE_I;
s->frame->palette_has_changed = 1;
memcpy(s->frame->data[1], ff_cga_palette, 16 * 4);
erase_screen(avctx);
} else if (c == 'l') {
erase_screen(avctx);
}
break;
case 'J':
switch (s->args[0]) {
case 0:
erase_line(avctx, s->x, avctx->width - s->x);
if (s->y < avctx->height - s->font_height)
memset(s->frame->data[0] + (s->y + s->font_height)*s->frame->linesize[0],
DEFAULT_BG_COLOR, (avctx->height - s->y - s->font_height)*s->frame->linesize[0]);
break;
case 1:
erase_line(avctx, 0, s->x);
if (s->y > 0)
memset(s->frame->data[0], DEFAULT_BG_COLOR, s->y * s->frame->linesize[0]);
break;
case 2:
erase_screen(avctx);
}
break;
case 'K':
switch(s->args[0]) {
case 0:
erase_line(avctx, s->x, avctx->width - s->x);
break;
case 1:
erase_line(avctx, 0, s->x);
break;
case 2:
erase_line(avctx, 0, avctx->width);
}
break;
case 'm':
if (s->nb_args == 0) {
s->nb_args = 1;
s->args[0] = 0;
}
for (i = 0; i < FFMIN(s->nb_args, MAX_NB_ARGS); i++) {
int m = s->args[i];
if (m == 0) {
s->attributes = 0;
s->fg = DEFAULT_FG_COLOR;
s->bg = DEFAULT_BG_COLOR;
} else if (m == 1 || m == 2 || m == 4 || m == 5 || m == 7 || m == 8) {
s->attributes |= 1 << (m - 1);
} else if (m >= 30 && m <= 38) {
s->fg = ansi_to_cga[m - 30];
} else if (m == 39) {
s->fg = ansi_to_cga[DEFAULT_FG_COLOR];
} else if (m >= 40 && m <= 47) {
s->bg = ansi_to_cga[m - 40];
} else if (m == 49) {
s->fg = ansi_to_cga[DEFAULT_BG_COLOR];
} else {
avpriv_request_sample(avctx, "Unsupported rendition parameter");
}
}
break;
case 'n':
case 'R':
break;
case 's':
s->sx = s->x;
s->sy = s->y;
break;
case 'u':
s->x = av_clip(s->sx, 0, avctx->width - FONT_WIDTH);
s->y = av_clip(s->sy, 0, avctx->height - s->font_height);
break;
default:
avpriv_request_sample(avctx, "Unknown escape code");
break;
}
return 0;
} | ['static int execute_code(AVCodecContext * avctx, int c)\n{\n AnsiContext *s = avctx->priv_data;\n int ret, i, width, height;\n switch(c) {\n case \'A\':\n s->y = FFMAX(s->y - (s->nb_args > 0 ? s->args[0]*s->font_height : s->font_height), 0);\n break;\n case \'B\':\n s->y = FFMIN(s->y + (s->nb_args > 0 ? s->args[0]*s->font_height : s->font_height), avctx->height - s->font_height);\n break;\n case \'C\':\n s->x = FFMIN(s->x + (s->nb_args > 0 ? s->args[0]*FONT_WIDTH : FONT_WIDTH), avctx->width - FONT_WIDTH);\n break;\n case \'D\':\n s->x = FFMAX(s->x - (s->nb_args > 0 ? s->args[0]*FONT_WIDTH : FONT_WIDTH), 0);\n break;\n case \'H\':\n case \'f\':\n s->y = s->nb_args > 0 ? av_clip((s->args[0] - 1)*s->font_height, 0, avctx->height - s->font_height) : 0;\n s->x = s->nb_args > 1 ? av_clip((s->args[1] - 1)*FONT_WIDTH, 0, avctx->width - FONT_WIDTH) : 0;\n break;\n case \'h\':\n case \'l\':\n if (s->nb_args < 2)\n s->args[0] = DEFAULT_SCREEN_MODE;\n switch(s->args[0]) {\n case 0: case 1: case 4: case 5: case 13: case 19:\n s->font = ff_cga_font;\n s->font_height = 8;\n width = 40<<3;\n height = 25<<3;\n break;\n case 2: case 3:\n s->font = ff_vga16_font;\n s->font_height = 16;\n width = 80<<3;\n height = 25<<4;\n break;\n case 6: case 14:\n s->font = ff_cga_font;\n s->font_height = 8;\n width = 80<<3;\n height = 25<<3;\n break;\n case 7:\n break;\n case 15: case 16:\n s->font = ff_cga_font;\n s->font_height = 8;\n width = 80<<3;\n height = 43<<3;\n break;\n case 17: case 18:\n s->font = ff_cga_font;\n s->font_height = 8;\n width = 80<<3;\n height = 60<<4;\n break;\n default:\n avpriv_request_sample(avctx, "Unsupported screen mode");\n }\n if (width != avctx->width || height != avctx->height) {\n av_frame_unref(s->frame);\n ret = ff_set_dimensions(avctx, width, height);\n if (ret < 0)\n return ret;\n ret = ff_get_buffer(avctx, s->frame, AV_GET_BUFFER_FLAG_REF);\n if (ret < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return ret;\n }\n s->frame->pict_type = AV_PICTURE_TYPE_I;\n s->frame->palette_has_changed = 1;\n memcpy(s->frame->data[1], ff_cga_palette, 16 * 4);\n erase_screen(avctx);\n } else if (c == \'l\') {\n erase_screen(avctx);\n }\n break;\n case \'J\':\n switch (s->args[0]) {\n case 0:\n erase_line(avctx, s->x, avctx->width - s->x);\n if (s->y < avctx->height - s->font_height)\n memset(s->frame->data[0] + (s->y + s->font_height)*s->frame->linesize[0],\n DEFAULT_BG_COLOR, (avctx->height - s->y - s->font_height)*s->frame->linesize[0]);\n break;\n case 1:\n erase_line(avctx, 0, s->x);\n if (s->y > 0)\n memset(s->frame->data[0], DEFAULT_BG_COLOR, s->y * s->frame->linesize[0]);\n break;\n case 2:\n erase_screen(avctx);\n }\n break;\n case \'K\':\n switch(s->args[0]) {\n case 0:\n erase_line(avctx, s->x, avctx->width - s->x);\n break;\n case 1:\n erase_line(avctx, 0, s->x);\n break;\n case 2:\n erase_line(avctx, 0, avctx->width);\n }\n break;\n case \'m\':\n if (s->nb_args == 0) {\n s->nb_args = 1;\n s->args[0] = 0;\n }\n for (i = 0; i < FFMIN(s->nb_args, MAX_NB_ARGS); i++) {\n int m = s->args[i];\n if (m == 0) {\n s->attributes = 0;\n s->fg = DEFAULT_FG_COLOR;\n s->bg = DEFAULT_BG_COLOR;\n } else if (m == 1 || m == 2 || m == 4 || m == 5 || m == 7 || m == 8) {\n s->attributes |= 1 << (m - 1);\n } else if (m >= 30 && m <= 38) {\n s->fg = ansi_to_cga[m - 30];\n } else if (m == 39) {\n s->fg = ansi_to_cga[DEFAULT_FG_COLOR];\n } else if (m >= 40 && m <= 47) {\n s->bg = ansi_to_cga[m - 40];\n } else if (m == 49) {\n s->fg = ansi_to_cga[DEFAULT_BG_COLOR];\n } else {\n avpriv_request_sample(avctx, "Unsupported rendition parameter");\n }\n }\n break;\n case \'n\':\n case \'R\':\n break;\n case \'s\':\n s->sx = s->x;\n s->sy = s->y;\n break;\n case \'u\':\n s->x = av_clip(s->sx, 0, avctx->width - FONT_WIDTH);\n s->y = av_clip(s->sy, 0, avctx->height - s->font_height);\n break;\n default:\n avpriv_request_sample(avctx, "Unknown escape code");\n break;\n }\n return 0;\n}'] |
8,197 | 0 | https://github.com/openssl/openssl/blob/a055a8815587f402d700093dea0dec6bf34631a3/ssl/t1_lib.c/#L2253 | int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)
{
int rv, start_idx, i;
if (x == NULL) {
x = sk_X509_value(sk, 0);
start_idx = 1;
} else
start_idx = 0;
rv = ssl_security_cert(s, NULL, x, vfy, 1);
if (rv != 1)
return rv;
for (i = start_idx; i < sk_X509_num(sk); i++) {
x = sk_X509_value(sk, i);
rv = ssl_security_cert(s, NULL, x, vfy, 0);
if (rv != 1)
return rv;
}
return 1;
} | ['int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)\n{\n int rv, start_idx, i;\n if (x == NULL) {\n x = sk_X509_value(sk, 0);\n start_idx = 1;\n } else\n start_idx = 0;\n rv = ssl_security_cert(s, NULL, x, vfy, 1);\n if (rv != 1)\n return rv;\n for (i = start_idx; i < sk_X509_num(sk); i++) {\n x = sk_X509_value(sk, i);\n rv = ssl_security_cert(s, NULL, x, vfy, 0);\n if (rv != 1)\n return rv;\n }\n return 1;\n}', 'DEFINE_STACK_OF(X509)', 'void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)\n{\n if (st == NULL || i < 0 || i >= st->num)\n return NULL;\n return (void *)st->data[i];\n}'] |
8,198 | 0 | https://github.com/libav/libav/blob/ab492ca2ab105aeb24d955f3f03756bdb3139ee1/libavcodec/truemotion2.c/#L149 | static int tm2_build_huff_table(TM2Context *ctx, TM2Codes *code)
{
TM2Huff huff;
int res = 0;
huff.val_bits = get_bits(&ctx->gb, 5);
huff.max_bits = get_bits(&ctx->gb, 5);
huff.min_bits = get_bits(&ctx->gb, 5);
huff.nodes = get_bits_long(&ctx->gb, 17);
huff.num = 0;
if((huff.val_bits < 1) || (huff.val_bits > 32) ||
(huff.max_bits < 0) || (huff.max_bits > 32)) {
av_log(ctx->avctx, AV_LOG_ERROR, "Incorrect tree parameters - literal length: %i, max code length: %i\n",
huff.val_bits, huff.max_bits);
return -1;
}
if((huff.nodes <= 0) || (huff.nodes > 0x10000)) {
av_log(ctx->avctx, AV_LOG_ERROR, "Incorrect number of Huffman tree nodes: %i\n", huff.nodes);
return -1;
}
if(huff.max_bits == 0)
huff.max_bits = 1;
huff.max_num = (huff.nodes + 1) >> 1;
huff.nums = av_mallocz(huff.max_num * sizeof(int));
huff.bits = av_mallocz(huff.max_num * sizeof(uint32_t));
huff.lens = av_mallocz(huff.max_num * sizeof(int));
if(tm2_read_tree(ctx, 0, 0, &huff) == -1)
res = -1;
if(huff.num != huff.max_num) {
av_log(ctx->avctx, AV_LOG_ERROR, "Got less codes than expected: %i of %i\n",
huff.num, huff.max_num);
res = -1;
}
if(res != -1) {
int i;
res = init_vlc(&code->vlc, huff.max_bits, huff.max_num,
huff.lens, sizeof(int), sizeof(int),
huff.bits, sizeof(uint32_t), sizeof(uint32_t), 0);
if(res < 0) {
av_log(ctx->avctx, AV_LOG_ERROR, "Cannot build VLC table\n");
res = -1;
} else
res = 0;
if(res != -1) {
code->bits = huff.max_bits;
code->length = huff.max_num;
code->recode = av_malloc(code->length * sizeof(int));
for(i = 0; i < code->length; i++)
code->recode[i] = huff.nums[i];
}
}
av_free(huff.nums);
av_free(huff.bits);
av_free(huff.lens);
return res;
} | ['static int tm2_build_huff_table(TM2Context *ctx, TM2Codes *code)\n{\n TM2Huff huff;\n int res = 0;\n huff.val_bits = get_bits(&ctx->gb, 5);\n huff.max_bits = get_bits(&ctx->gb, 5);\n huff.min_bits = get_bits(&ctx->gb, 5);\n huff.nodes = get_bits_long(&ctx->gb, 17);\n huff.num = 0;\n if((huff.val_bits < 1) || (huff.val_bits > 32) ||\n (huff.max_bits < 0) || (huff.max_bits > 32)) {\n av_log(ctx->avctx, AV_LOG_ERROR, "Incorrect tree parameters - literal length: %i, max code length: %i\\n",\n huff.val_bits, huff.max_bits);\n return -1;\n }\n if((huff.nodes <= 0) || (huff.nodes > 0x10000)) {\n av_log(ctx->avctx, AV_LOG_ERROR, "Incorrect number of Huffman tree nodes: %i\\n", huff.nodes);\n return -1;\n }\n if(huff.max_bits == 0)\n huff.max_bits = 1;\n huff.max_num = (huff.nodes + 1) >> 1;\n huff.nums = av_mallocz(huff.max_num * sizeof(int));\n huff.bits = av_mallocz(huff.max_num * sizeof(uint32_t));\n huff.lens = av_mallocz(huff.max_num * sizeof(int));\n if(tm2_read_tree(ctx, 0, 0, &huff) == -1)\n res = -1;\n if(huff.num != huff.max_num) {\n av_log(ctx->avctx, AV_LOG_ERROR, "Got less codes than expected: %i of %i\\n",\n huff.num, huff.max_num);\n res = -1;\n }\n if(res != -1) {\n int i;\n res = init_vlc(&code->vlc, huff.max_bits, huff.max_num,\n huff.lens, sizeof(int), sizeof(int),\n huff.bits, sizeof(uint32_t), sizeof(uint32_t), 0);\n if(res < 0) {\n av_log(ctx->avctx, AV_LOG_ERROR, "Cannot build VLC table\\n");\n res = -1;\n } else\n res = 0;\n if(res != -1) {\n code->bits = huff.max_bits;\n code->length = huff.max_num;\n code->recode = av_malloc(code->length * sizeof(int));\n for(i = 0; i < code->length; i++)\n code->recode[i] = huff.nums[i];\n }\n }\n av_free(huff.nums);\n av_free(huff.bits);\n av_free(huff.lens);\n return res;\n}', 'static inline unsigned int get_bits(GetBitContext *s, int n)\n{\n register int tmp;\n OPEN_READER(re, s);\n UPDATE_CACHE(re, s);\n tmp = SHOW_UBITS(re, s, n);\n LAST_SKIP_BITS(re, s, n);\n CLOSE_READER(re, s);\n return tmp;\n}', 'static av_always_inline av_const uint32_t av_bswap32(uint32_t x)\n{\n return AV_BSWAP32C(x);\n}', 'static inline unsigned int get_bits_long(GetBitContext *s, int n)\n{\n if (n <= MIN_CACHE_BITS)\n return get_bits(s, n);\n else {\n#ifdef BITSTREAM_READER_LE\n int ret = get_bits(s, 16);\n return ret | (get_bits(s, n-16) << 16);\n#else\n int ret = get_bits(s, 16) << (n-16);\n return ret | get_bits(s, n-16);\n#endif\n }\n}', 'void *av_mallocz(size_t size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-32) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+32);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&31) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,32,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(32,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}', 'static int tm2_read_tree(TM2Context *ctx, uint32_t prefix, int length, TM2Huff *huff)\n{\n if(length > huff->max_bits) {\n av_log(ctx->avctx, AV_LOG_ERROR, "Tree exceeded its given depth (%i)\\n", huff->max_bits);\n return -1;\n }\n if(!get_bits1(&ctx->gb)) {\n if (length == 0) {\n length = 1;\n }\n if(huff->num >= huff->max_num) {\n av_log(ctx->avctx, AV_LOG_DEBUG, "Too many literals\\n");\n return -1;\n }\n huff->nums[huff->num] = get_bits_long(&ctx->gb, huff->val_bits);\n huff->bits[huff->num] = prefix;\n huff->lens[huff->num] = length;\n huff->num++;\n return 0;\n } else {\n if(tm2_read_tree(ctx, prefix << 1, length + 1, huff) == -1)\n return -1;\n if(tm2_read_tree(ctx, (prefix << 1) | 1, length + 1, huff) == -1)\n return -1;\n }\n return 0;\n}', 'static inline unsigned int get_bits1(GetBitContext *s)\n{\n unsigned int index = s->index;\n uint8_t result = s->buffer[index>>3];\n#ifdef BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n#if !UNCHECKED_BITSTREAM_READER\n if (s->index < s->size_in_bits_plus8)\n#endif\n index++;\n s->index = index;\n return result;\n}'] |
8,199 | 0 | https://github.com/openssl/openssl/blob/15db6a40d3569789329d3f6f84e47e0e0e8f9caa/ssl/packet_locl.h/#L83 | static inline void packet_forward(PACKET *pkt, size_t len)
{
pkt->curr += len;
pkt->remaining -= len;
} | ['static int test_PACKET_get_4(unsigned char buf[BUF_LEN])\n{\n unsigned long i;\n PACKET pkt;\n if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)\n || !PACKET_get_4(&pkt, &i)\n || i != 0x08060402UL\n || !PACKET_forward(&pkt, BUF_LEN - 8)\n || !PACKET_get_4(&pkt, &i)\n || i != 0xfefcfaf8UL\n || PACKET_get_4(&pkt, &i)) {\n fprintf(stderr, "test_PACKET_get_4() failed\\n");\n return 0;\n }\n return 1;\n}', '__owur static inline int PACKET_buf_init(PACKET *pkt, unsigned char *buf,\n size_t len)\n{\n if (len > (size_t)(SIZE_MAX / 2))\n return 0;\n pkt->curr = buf;\n pkt->remaining = len;\n return 1;\n}', '__owur static inline int PACKET_get_4(PACKET *pkt, unsigned long *data)\n{\n if (!PACKET_peek_4(pkt, data))\n return 0;\n packet_forward(pkt, 4);\n return 1;\n}', '__owur static inline int PACKET_peek_4(const PACKET *pkt, unsigned long *data)\n{\n if (PACKET_remaining(pkt) < 4)\n return 0;\n *data = *pkt->curr;\n *data |= ((unsigned long)(*(pkt->curr + 1))) << 8;\n *data |= ((unsigned long)(*(pkt->curr + 2))) << 16;\n *data |= ((unsigned long)(*(pkt->curr + 3))) << 24;\n return 1;\n}', '__owur static inline int PACKET_forward(PACKET *pkt, size_t len)\n{\n if (PACKET_remaining(pkt) < len)\n return 0;\n packet_forward(pkt, len);\n return 1;\n}', 'static inline void packet_forward(PACKET *pkt, size_t len)\n{\n pkt->curr += len;\n pkt->remaining -= len;\n}'] |
8,200 | 0 | https://github.com/openssl/openssl/blob/2234212c3dde887e0b7fa08277d035cd132e2cce/crypto/lhash/lhash.c/#L168 | static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
OPENSSL_LH_DOALL_FUNC func,
OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)
{
int i;
OPENSSL_LH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | ['static int ssl_servername_cb(SSL *s, int *ad, void *arg)\n{\n tlsextctx *p = (tlsextctx *) arg;\n const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);\n if (servername != NULL && p->biodebug != NULL)\n BIO_printf(p->biodebug, "Hostname in TLS extension: \\"%s\\"\\n",\n servername);\n if (p->servername == NULL)\n return SSL_TLSEXT_ERR_NOACK;\n if (servername != NULL) {\n if (strcasecmp(servername, p->servername))\n return p->extension_error;\n if (ctx2 != NULL) {\n BIO_printf(p->biodebug, "Switching server context.\\n");\n SSL_set_SSL_CTX(s, ctx2);\n }\n }\n return SSL_TLSEXT_ERR_OK;\n}', 'SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)\n{\n CERT *new_cert;\n if (ssl->ctx == ctx)\n return ssl->ctx;\n if (ctx == NULL)\n ctx = ssl->session_ctx;\n new_cert = ssl_cert_dup(ctx->cert);\n if (new_cert == NULL) {\n return NULL;\n }\n if (!custom_exts_copy_flags(&new_cert->custext, &ssl->cert->custext)) {\n ssl_cert_free(new_cert);\n return NULL;\n }\n ssl_cert_free(ssl->cert);\n ssl->cert = new_cert;\n if (!ossl_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)))\n return NULL;\n if ((ssl->ctx != NULL) &&\n (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&\n (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {\n ssl->sid_ctx_length = ctx->sid_ctx_length;\n memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));\n }\n SSL_CTX_up_ref(ctx);\n SSL_CTX_free(ssl->ctx);\n ssl->ctx = ctx;\n return ssl->ctx;\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n CRYPTO_DOWN_REF(&a->references, &i, a->lock);\n REF_PRINT_COUNT("SSL_CTX", a);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(a->param);\n dane_ctx_final(&a->dane);\n if (a->sessions != NULL)\n SSL_CTX_flush_sessions(a, 0);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n lh_SSL_SESSION_free(a->sessions);\n X509_STORE_free(a->cert_store);\n#ifndef OPENSSL_NO_CT\n CTLOG_STORE_free(a->ctlog_store);\n#endif\n sk_SSL_CIPHER_free(a->cipher_list);\n sk_SSL_CIPHER_free(a->cipher_list_by_id);\n ssl_cert_free(a->cert);\n sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free);\n sk_X509_pop_free(a->extra_certs, X509_free);\n a->comp_methods = NULL;\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(a->ext.ecpointformats);\n OPENSSL_free(a->ext.supportedgroups);\n#endif\n OPENSSL_free(a->ext.alpn);\n CRYPTO_THREAD_lock_free(a->lock);\n OPENSSL_free(a);\n}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n{\n unsigned long i;\n TIMEOUT_PARAM tp;\n tp.ctx = s;\n tp.cache = s->sessions;\n if (tp.cache == NULL)\n return;\n tp.time = t;\n CRYPTO_THREAD_write_lock(s->lock);\n i = lh_SSL_SESSION_get_down_load(s->sessions);\n lh_SSL_SESSION_set_down_load(s->sessions, 0);\n lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);\n lh_SSL_SESSION_set_down_load(s->sessions, i);\n CRYPTO_THREAD_unlock(s->lock);\n}', 'IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM)', 'void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg)\n{\n doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC)0, func, arg);\n}', 'static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,\n OPENSSL_LH_DOALL_FUNC func,\n OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)\n{\n int i;\n OPENSSL_LH_NODE *a, *n;\n if (lh == NULL)\n return;\n for (i = lh->num_nodes - 1; i >= 0; i--) {\n a = lh->b[i];\n while (a != NULL) {\n n = a->next;\n if (use_arg)\n func_arg(a->data, arg);\n else\n func(a->data);\n a = n;\n }\n }\n}'] |
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