id stringlengths 19 19 | content stringlengths 22 69.3k | max_stars_repo_path stringlengths 91 133 |
|---|---|---|
d2a_code_data_42854 | 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;
} | https://github.com/libav/libav/blob/7ff018c1cb43a5fe5ee2049d325cdd785852067a/libavcodec/bitstream.h/#L139 |
d2a_code_data_42855 | int n_ssl3_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int send)
{
unsigned char *mac_sec, *seq;
const EVP_MD_CTX *hash;
unsigned char *p, rec_char;
size_t md_size;
int npad;
int t;
if (send) {
mac_sec = &(ssl->s3->write_mac_secret[0]);
seq = RECORD_LAYER_get_write_sequence(&ssl->rlayer);
hash = ssl->write_hash;
} else {
mac_sec = &(ssl->s3->read_mac_secret[0]);
seq = RECORD_LAYER_get_read_sequence(&ssl->rlayer);
hash = ssl->read_hash;
}
t = EVP_MD_CTX_size(hash);
if (t < 0)
return -1;
md_size = t;
npad = (48 / md_size) * md_size;
if (!send &&
EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
ssl3_cbc_record_digest_supported(hash)) {
unsigned char header[75];
unsigned j = 0;
memcpy(header + j, mac_sec, md_size);
j += md_size;
memcpy(header + j, ssl3_pad_1, npad);
j += npad;
memcpy(header + j, seq, 8);
j += 8;
header[j++] = rec->type;
header[j++] = rec->length >> 8;
header[j++] = rec->length & 0xff;
if (ssl3_cbc_digest_record(hash,
md, &md_size,
header, rec->input,
rec->length + md_size, rec->orig_len,
mac_sec, md_size, 1) <= 0)
return -1;
} else {
unsigned int md_size_u;
EVP_MD_CTX *md_ctx = EVP_MD_CTX_new();
if (md_ctx == NULL)
return -1;
rec_char = rec->type;
p = md;
s2n(rec->length, p);
if (EVP_MD_CTX_copy_ex(md_ctx, hash) <= 0
|| EVP_DigestUpdate(md_ctx, mac_sec, md_size) <= 0
|| EVP_DigestUpdate(md_ctx, ssl3_pad_1, npad) <= 0
|| EVP_DigestUpdate(md_ctx, seq, 8) <= 0
|| EVP_DigestUpdate(md_ctx, &rec_char, 1) <= 0
|| EVP_DigestUpdate(md_ctx, md, 2) <= 0
|| EVP_DigestUpdate(md_ctx, rec->input, rec->length) <= 0
|| EVP_DigestFinal_ex(md_ctx, md, NULL) <= 0
|| EVP_MD_CTX_copy_ex(md_ctx, hash) <= 0
|| EVP_DigestUpdate(md_ctx, mac_sec, md_size) <= 0
|| EVP_DigestUpdate(md_ctx, ssl3_pad_2, npad) <= 0
|| EVP_DigestUpdate(md_ctx, md, md_size) <= 0
|| EVP_DigestFinal_ex(md_ctx, md, &md_size_u) <= 0) {
EVP_MD_CTX_reset(md_ctx);
return -1;
}
md_size = md_size_u;
EVP_MD_CTX_free(md_ctx);
}
ssl3_record_sequence_update(seq);
return (md_size);
} | https://github.com/openssl/openssl/blob/9a7169870e803bdd9767d75ca8f64802ca0e7f1c/ssl/record/ssl3_record.c/#L934 |
d2a_code_data_42856 | BN_ULONG bn_sub_part_words(BN_ULONG *r,
const BN_ULONG *a, const BN_ULONG *b,
int cl, int dl)
{
BN_ULONG c, t;
assert(cl >= 0);
c = bn_sub_words(r, a, b, cl);
if (dl == 0)
return c;
r += cl;
a += cl;
b += cl;
if (dl < 0) {
for (;;) {
t = b[0];
r[0] = (0 - t - c) & BN_MASK2;
if (t != 0)
c = 1;
if (++dl >= 0)
break;
t = b[1];
r[1] = (0 - t - c) & BN_MASK2;
if (t != 0)
c = 1;
if (++dl >= 0)
break;
t = b[2];
r[2] = (0 - t - c) & BN_MASK2;
if (t != 0)
c = 1;
if (++dl >= 0)
break;
t = b[3];
r[3] = (0 - t - c) & BN_MASK2;
if (t != 0)
c = 1;
if (++dl >= 0)
break;
b += 4;
r += 4;
}
} else {
int save_dl = dl;
while (c) {
t = a[0];
r[0] = (t - c) & BN_MASK2;
if (t != 0)
c = 0;
if (--dl <= 0)
break;
t = a[1];
r[1] = (t - c) & BN_MASK2;
if (t != 0)
c = 0;
if (--dl <= 0)
break;
t = a[2];
r[2] = (t - c) & BN_MASK2;
if (t != 0)
c = 0;
if (--dl <= 0)
break;
t = a[3];
r[3] = (t - c) & BN_MASK2;
if (t != 0)
c = 0;
if (--dl <= 0)
break;
save_dl = dl;
a += 4;
r += 4;
}
if (dl > 0) {
if (save_dl > dl) {
switch (save_dl - dl) {
case 1:
r[1] = a[1];
if (--dl <= 0)
break;
case 2:
r[2] = a[2];
if (--dl <= 0)
break;
case 3:
r[3] = a[3];
if (--dl <= 0)
break;
}
a += 4;
r += 4;
}
}
if (dl > 0) {
for (;;) {
r[0] = a[0];
if (--dl <= 0)
break;
r[1] = a[1];
if (--dl <= 0)
break;
r[2] = a[2];
if (--dl <= 0)
break;
r[3] = a[3];
if (--dl <= 0)
break;
a += 4;
r += 4;
}
}
}
return c;
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_mul.c/#L46 |
d2a_code_data_42857 | 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);
} | https://github.com/openssl/openssl/blob/757264207ad8650a89ea903d48ad89f61d56ea9c/crypto/bn/bn_lib.c/#L719 |
d2a_code_data_42858 | ngx_int_t
ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value,
ngx_uint_t flags)
{
size_t len;
u_char *p;
ngx_str_t *name;
ngx_uint_t i, k, n, skip, last;
ngx_array_t *keys, *hwc;
ngx_hash_key_t *hk;
last = key->len;
if (flags & NGX_HASH_WILDCARD_KEY) {
n = 0;
for (i = 0; i < key->len; i++) {
if (key->data[i] == '*') {
if (++n > 1) {
return NGX_DECLINED;
}
}
if (key->data[i] == '.' && key->data[i + 1] == '.') {
return NGX_DECLINED;
}
}
if (key->len > 1 && key->data[0] == '.') {
skip = 1;
goto wildcard;
}
if (key->len > 2) {
if (key->data[0] == '*' && key->data[1] == '.') {
skip = 2;
goto wildcard;
}
if (key->data[i - 2] == '.' && key->data[i - 1] == '*') {
skip = 0;
last -= 2;
goto wildcard;
}
}
if (n) {
return NGX_DECLINED;
}
}
k = 0;
for (i = 0; i < last; i++) {
if (!(flags & NGX_HASH_READONLY_KEY)) {
key->data[i] = ngx_tolower(key->data[i]);
}
k = ngx_hash(k, key->data[i]);
}
k %= ha->hsize;
name = ha->keys_hash[k].elts;
if (name) {
for (i = 0; i < ha->keys_hash[k].nelts; i++) {
if (last != name[i].len) {
continue;
}
if (ngx_strncmp(key->data, name[i].data, last) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4,
sizeof(ngx_str_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(&ha->keys_hash[k]);
if (name == NULL) {
return NGX_ERROR;
}
*name = *key;
hk = ngx_array_push(&ha->keys);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key = *key;
hk->key_hash = ngx_hash_key(key->data, last);
hk->value = value;
return NGX_OK;
wildcard:
k = ngx_hash_strlow(&key->data[skip], &key->data[skip], last - skip);
k %= ha->hsize;
if (skip == 1) {
name = ha->keys_hash[k].elts;
if (name) {
len = last - skip;
for (i = 0; i < ha->keys_hash[k].nelts; i++) {
if (len != name[i].len) {
continue;
}
if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4,
sizeof(ngx_str_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(&ha->keys_hash[k]);
if (name == NULL) {
return NGX_ERROR;
}
name->len = last - 1;
name->data = ngx_pnalloc(ha->temp_pool, name->len);
if (name->data == NULL) {
return NGX_ERROR;
}
ngx_memcpy(name->data, &key->data[1], name->len);
}
if (skip) {
p = ngx_pnalloc(ha->temp_pool, last);
if (p == NULL) {
return NGX_ERROR;
}
len = 0;
n = 0;
for (i = last - 1; i; i--) {
if (key->data[i] == '.') {
ngx_memcpy(&p[n], &key->data[i + 1], len);
n += len;
p[n++] = '.';
len = 0;
continue;
}
len++;
}
if (len) {
ngx_memcpy(&p[n], &key->data[1], len);
n += len;
}
p[n] = '\0';
hwc = &ha->dns_wc_head;
keys = &ha->dns_wc_head_hash[k];
} else {
last++;
p = ngx_pnalloc(ha->temp_pool, last);
if (p == NULL) {
return NGX_ERROR;
}
ngx_cpystrn(p, key->data, last);
hwc = &ha->dns_wc_tail;
keys = &ha->dns_wc_tail_hash[k];
}
hk = ngx_array_push(hwc);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key.len = last - 1;
hk->key.data = p;
hk->key_hash = 0;
hk->value = value;
name = keys->elts;
if (name) {
len = last - skip;
for (i = 0; i < keys->nelts; i++) {
if (len != name[i].len) {
continue;
}
if (ngx_strncmp(key->data + skip, name[i].data, len) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(keys, ha->temp_pool, 4, sizeof(ngx_str_t)) != NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(keys);
if (name == NULL) {
return NGX_ERROR;
}
name->len = last - skip;
name->data = ngx_pnalloc(ha->temp_pool, name->len);
if (name->data == NULL) {
return NGX_ERROR;
}
ngx_memcpy(name->data, key->data + skip, name->len);
return NGX_OK;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_hash.c/#L980 |
d2a_code_data_42859 | ngx_int_t
ngx_http_set_exten(ngx_http_request_t *r)
{
ngx_int_t i;
r->exten.len = 0;
r->exten.data = NULL;
for (i = r->uri.len - 1; i > 1; i--) {
if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
r->exten.len = r->uri.len - i - 1;
r->exten.data = &r->uri.data[i + 1];
break;
} else if (r->uri.data[i] == '/') {
break;
}
}
return NGX_OK;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/ngx_http_core_module.c/#L1622 |
d2a_code_data_42860 | static ossl_inline unsigned int constant_time_lt(unsigned int a,
unsigned int b)
{
return constant_time_msb(a ^ ((a ^ b) | ((a - b) ^ b)));
} | https://github.com/openssl/openssl/blob/1fb9fdc3027b27d8eb6a1e6a846435b070980770/include/internal/constant_time_locl.h/#L108 |
d2a_code_data_42861 | 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;
} | https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L139 |
d2a_code_data_42862 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/b6e3250671654e0344127be9dd49b3fb4a82f94b/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_42863 | static int wpacket_intern_close(WPACKET *pkt, WPACKET_SUB *sub, int doclose)
{
size_t packlen = pkt->written - sub->pwritten;
if (packlen == 0
&& (sub->flags & WPACKET_FLAGS_NON_ZERO_LENGTH) != 0)
return 0;
if (packlen == 0
&& sub->flags & WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH) {
if (!doclose)
return 0;
if ((pkt->curr - sub->lenbytes) == sub->packet_len) {
pkt->written -= sub->lenbytes;
pkt->curr -= sub->lenbytes;
}
sub->packet_len = 0;
sub->lenbytes = 0;
}
if (sub->lenbytes > 0
&& !put_value(&GETBUF(pkt)[sub->packet_len], packlen,
sub->lenbytes))
return 0;
if (doclose) {
pkt->subs = sub->parent;
OPENSSL_free(sub);
}
return 1;
} | https://github.com/openssl/openssl/blob/dd05bd4cb46e9662fae6f0f8ca9590fef6c1c957/ssl/packet.c/#L199 |
d2a_code_data_42864 | void *lh_delete(LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
const 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((void *)ret);
} | https://github.com/openssl/openssl/blob/9e09eebf94c933686077a1b1b2d60248acb9ba67/crypto/lhash/lhash.c/#L240 |
d2a_code_data_42865 | ERR_STATE *ERR_get_state(void)
{
ERR_STATE *state;
int saveerrno = get_last_sys_error();
if (!OPENSSL_init_crypto(OPENSSL_INIT_BASE_ONLY, NULL))
return NULL;
if (!RUN_ONCE(&err_init, err_do_init))
return NULL;
state = CRYPTO_THREAD_get_local(&err_thread_local);
if (state == (ERR_STATE*)-1)
return NULL;
if (state == NULL) {
if (!CRYPTO_THREAD_set_local(&err_thread_local, (ERR_STATE*)-1))
return NULL;
if ((state = OPENSSL_zalloc(sizeof(*state))) == NULL) {
CRYPTO_THREAD_set_local(&err_thread_local, NULL);
return NULL;
}
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE)
|| !CRYPTO_THREAD_set_local(&err_thread_local, state)) {
ERR_STATE_free(state);
CRYPTO_THREAD_set_local(&err_thread_local, NULL);
return NULL;
}
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
}
set_sys_error(saveerrno);
return state;
} | https://github.com/openssl/openssl/blob/915bf45ee32826ed9eb612e4f82034a138dfeb41/crypto/err/err.c/#L743 |
d2a_code_data_42866 | int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (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;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
pkt->written += len;
pkt->curr += len;
return 1;
} | https://github.com/openssl/openssl/blob/a6972f346248fbc37e42056bb943fae0896a2967/ssl/packet.c/#L25 |
d2a_code_data_42867 | 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;
} | https://github.com/openssl/openssl/blob/e3bc1305ec97d4ad4ab05fa59a288e92df2b2025/ssl/t1_lib.c/#L2298 |
d2a_code_data_42868 | STACK *SSL_dup_CA_list(STACK *sk)
{
int i;
STACK *ret;
X509_NAME *name;
ret=sk_new_null();
for (i=0; i<sk_num(sk); i++)
{
name=X509_NAME_dup((X509_NAME *)sk_value(sk,i));
if ((name == NULL) || !sk_push(ret,(char *)name))
{
sk_pop_free(ret,X509_NAME_free);
return(NULL);
}
}
return(ret);
} | https://github.com/openssl/openssl/blob/c1c96de01c5a9bd1b715f6968bf9972141c2ade6/ssl/ssl_cert.c/#L467 |
d2a_code_data_42869 | 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;
}
}
} | https://github.com/openssl/openssl/blob/6e68dae85a8f91944370125561c7ec0d5da46c20/crypto/lhash/lhash.c/#L191 |
d2a_code_data_42870 | static int module_init(CONF_MODULE *pmod, char *name, char *value,
const CONF *cnf)
{
int ret = 1;
int init_called = 0;
CONF_IMODULE *imod = NULL;
imod = OPENSSL_malloc(sizeof(*imod));
if (imod == NULL)
goto err;
imod->pmod = pmod;
imod->name = OPENSSL_strdup(name);
imod->value = OPENSSL_strdup(value);
imod->usr_data = NULL;
if (!imod->name || !imod->value)
goto memerr;
if (pmod->init) {
ret = pmod->init(imod, cnf);
init_called = 1;
if (ret <= 0)
goto err;
}
if (initialized_modules == NULL) {
initialized_modules = sk_CONF_IMODULE_new_null();
if (!initialized_modules) {
CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (!sk_CONF_IMODULE_push(initialized_modules, imod)) {
CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
goto err;
}
pmod->links++;
return ret;
err:
if (pmod->finish && init_called)
pmod->finish(imod);
memerr:
if (imod) {
OPENSSL_free(imod->name);
OPENSSL_free(imod->value);
OPENSSL_free(imod);
}
return -1;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/conf/conf_mod.c/#L352 |
d2a_code_data_42871 | SwsVector *sws_cloneVec(SwsVector *a){
double *coeff= av_malloc(a->length*sizeof(double));
int i;
SwsVector *vec= av_malloc(sizeof(SwsVector));
vec->coeff= coeff;
vec->length= a->length;
for (i=0; i<a->length; i++) coeff[i]= a->coeff[i];
return vec;
} | https://github.com/libav/libav/blob/184bc53db4fded8857af09cee2adc7197940deb7/libswscale/swscale.c/#L3062 |
d2a_code_data_42872 | static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
int src_index, int ref_index, int const penalty_factor,
int size, int h, int flags)
{
MotionEstContext * const c= &s->me;
me_cmp_func cmpf, chroma_cmpf;
Minima minima[MAX_SAB_SIZE];
const int minima_count= FFABS(c->dia_size);
int i, j;
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
for(j=i=0; i<ME_MAP_SIZE && j<MAX_SAB_SIZE; i++){
uint32_t key= map[i];
key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1));
if((key&((-1)<<(2*ME_MAP_MV_BITS))) != map_generation) continue;
minima[j].height= score_map[i];
minima[j].x= key & ((1<<ME_MAP_MV_BITS)-1); key>>=ME_MAP_MV_BITS;
minima[j].y= key & ((1<<ME_MAP_MV_BITS)-1);
minima[j].x-= (1<<(ME_MAP_MV_BITS-1));
minima[j].y-= (1<<(ME_MAP_MV_BITS-1));
if( minima[j].x > xmax || minima[j].x < xmin
|| minima[j].y > ymax || minima[j].y < ymin)
continue;
minima[j].checked=0;
if(minima[j].x || minima[j].y)
minima[j].height+= (mv_penalty[((minima[j].x)<<shift)-pred_x] + mv_penalty[((minima[j].y)<<shift)-pred_y])*penalty_factor;
j++;
}
qsort(minima, j, sizeof(Minima), minima_cmp);
for(; j<minima_count; j++){
minima[j].height=256*256*256*64;
minima[j].checked=0;
minima[j].x= minima[j].y=0;
}
for(i=0; i<minima_count; i++){
const int x= minima[i].x;
const int y= minima[i].y;
int d;
if(minima[i].checked) continue;
if( x >= xmax || x <= xmin
|| y >= ymax || y <= ymin)
continue;
SAB_CHECK_MV(x-1, y)
SAB_CHECK_MV(x+1, y)
SAB_CHECK_MV(x , y-1)
SAB_CHECK_MV(x , y+1)
minima[i].checked= 1;
}
best[0]= minima[0].x;
best[1]= minima[0].y;
dmin= minima[0].height;
if( best[0] < xmax && best[0] > xmin
&& best[1] < ymax && best[1] > ymin){
int d;
CHECK_MV(best[0]-1, best[1])
CHECK_MV(best[0]+1, best[1])
CHECK_MV(best[0], best[1]-1)
CHECK_MV(best[0], best[1]+1)
}
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L843 |
d2a_code_data_42873 | int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx,
unsigned char *md_out,
size_t *md_out_size,
const unsigned char header[13],
const unsigned char *data,
size_t data_plus_mac_size,
size_t data_plus_mac_plus_padding_size,
const unsigned char *mac_secret,
size_t mac_secret_length, char is_sslv3)
{
union {
double align;
unsigned char c[sizeof(LARGEST_DIGEST_CTX)];
} md_state;
void (*md_final_raw) (void *ctx, unsigned char *md_out);
void (*md_transform) (void *ctx, const unsigned char *block);
size_t md_size, md_block_size = 64;
size_t sslv3_pad_length = 40, header_length, variance_blocks,
len, max_mac_bytes, num_blocks,
num_starting_blocks, k, mac_end_offset, c, index_a, index_b;
size_t bits;
unsigned char length_bytes[MAX_HASH_BIT_COUNT_BYTES];
unsigned char hmac_pad[MAX_HASH_BLOCK_SIZE];
unsigned char first_block[MAX_HASH_BLOCK_SIZE];
unsigned char mac_out[EVP_MAX_MD_SIZE];
size_t i, j;
unsigned md_out_size_u;
EVP_MD_CTX *md_ctx = NULL;
size_t md_length_size = 8;
char length_is_big_endian = 1;
int ret;
OPENSSL_assert(data_plus_mac_plus_padding_size < 1024 * 1024);
switch (EVP_MD_CTX_type(ctx)) {
case NID_md5:
if (MD5_Init((MD5_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_md5_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))MD5_Transform;
md_size = 16;
sslv3_pad_length = 48;
length_is_big_endian = 0;
break;
case NID_sha1:
if (SHA1_Init((SHA_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha1_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA1_Transform;
md_size = 20;
break;
case NID_sha224:
if (SHA224_Init((SHA256_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha256_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA256_Transform;
md_size = 224 / 8;
break;
case NID_sha256:
if (SHA256_Init((SHA256_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha256_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA256_Transform;
md_size = 32;
break;
case NID_sha384:
if (SHA384_Init((SHA512_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha512_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA512_Transform;
md_size = 384 / 8;
md_block_size = 128;
md_length_size = 16;
break;
case NID_sha512:
if (SHA512_Init((SHA512_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha512_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA512_Transform;
md_size = 64;
md_block_size = 128;
md_length_size = 16;
break;
default:
OPENSSL_assert(0);
if (md_out_size)
*md_out_size = 0;
return 0;
}
OPENSSL_assert(md_length_size <= MAX_HASH_BIT_COUNT_BYTES);
OPENSSL_assert(md_block_size <= MAX_HASH_BLOCK_SIZE);
OPENSSL_assert(md_size <= EVP_MAX_MD_SIZE);
header_length = 13;
if (is_sslv3) {
header_length = mac_secret_length + sslv3_pad_length + 8 +
1 +
2 ;
}
variance_blocks = is_sslv3 ? 2 : 6;
len = data_plus_mac_plus_padding_size + header_length;
max_mac_bytes = len - md_size - 1;
num_blocks =
(max_mac_bytes + 1 + md_length_size + md_block_size -
1) / md_block_size;
num_starting_blocks = 0;
k = 0;
mac_end_offset = data_plus_mac_size + header_length - md_size;
c = mac_end_offset % md_block_size;
index_a = mac_end_offset / md_block_size;
index_b = (mac_end_offset + md_length_size) / md_block_size;
if (num_blocks > variance_blocks + (is_sslv3 ? 1 : 0)) {
num_starting_blocks = num_blocks - variance_blocks;
k = md_block_size * num_starting_blocks;
}
bits = 8 * mac_end_offset;
if (!is_sslv3) {
bits += 8 * md_block_size;
memset(hmac_pad, 0, md_block_size);
OPENSSL_assert(mac_secret_length <= sizeof(hmac_pad));
memcpy(hmac_pad, mac_secret, mac_secret_length);
for (i = 0; i < md_block_size; i++)
hmac_pad[i] ^= 0x36;
md_transform(md_state.c, hmac_pad);
}
if (length_is_big_endian) {
memset(length_bytes, 0, md_length_size - 4);
length_bytes[md_length_size - 4] = (unsigned char)(bits >> 24);
length_bytes[md_length_size - 3] = (unsigned char)(bits >> 16);
length_bytes[md_length_size - 2] = (unsigned char)(bits >> 8);
length_bytes[md_length_size - 1] = (unsigned char)bits;
} else {
memset(length_bytes, 0, md_length_size);
length_bytes[md_length_size - 5] = (unsigned char)(bits >> 24);
length_bytes[md_length_size - 6] = (unsigned char)(bits >> 16);
length_bytes[md_length_size - 7] = (unsigned char)(bits >> 8);
length_bytes[md_length_size - 8] = (unsigned char)bits;
}
if (k > 0) {
if (is_sslv3) {
size_t overhang;
if (header_length <= md_block_size) {
return 0;
}
overhang = header_length - md_block_size;
md_transform(md_state.c, header);
memcpy(first_block, header + md_block_size, overhang);
memcpy(first_block + overhang, data, md_block_size - overhang);
md_transform(md_state.c, first_block);
for (i = 1; i < k / md_block_size - 1; i++)
md_transform(md_state.c, data + md_block_size * i - overhang);
} else {
memcpy(first_block, header, 13);
memcpy(first_block + 13, data, md_block_size - 13);
md_transform(md_state.c, first_block);
for (i = 1; i < k / md_block_size; i++)
md_transform(md_state.c, data + md_block_size * i - 13);
}
}
memset(mac_out, 0, sizeof(mac_out));
for (i = num_starting_blocks; i <= num_starting_blocks + variance_blocks;
i++) {
unsigned char block[MAX_HASH_BLOCK_SIZE];
unsigned char is_block_a = constant_time_eq_8_s(i, index_a);
unsigned char is_block_b = constant_time_eq_8_s(i, index_b);
for (j = 0; j < md_block_size; j++) {
unsigned char b = 0, is_past_c, is_past_cp1;
if (k < header_length)
b = header[k];
else if (k < data_plus_mac_plus_padding_size + header_length)
b = data[k - header_length];
k++;
is_past_c = is_block_a & constant_time_ge_8_s(j, c);
is_past_cp1 = is_block_a & constant_time_ge_8_s(j, c + 1);
b = constant_time_select_8(is_past_c, 0x80, b);
b = b & ~is_past_cp1;
b &= ~is_block_b | is_block_a;
if (j >= md_block_size - md_length_size) {
b = constant_time_select_8(is_block_b,
length_bytes[j -
(md_block_size -
md_length_size)], b);
}
block[j] = b;
}
md_transform(md_state.c, block);
md_final_raw(md_state.c, block);
for (j = 0; j < md_size; j++)
mac_out[j] |= block[j] & is_block_b;
}
md_ctx = EVP_MD_CTX_new();
if (md_ctx == NULL)
goto err;
if (EVP_DigestInit_ex(md_ctx, EVP_MD_CTX_md(ctx), NULL ) <= 0)
goto err;
if (is_sslv3) {
memset(hmac_pad, 0x5c, sslv3_pad_length);
if (EVP_DigestUpdate(md_ctx, mac_secret, mac_secret_length) <= 0
|| EVP_DigestUpdate(md_ctx, hmac_pad, sslv3_pad_length) <= 0
|| EVP_DigestUpdate(md_ctx, mac_out, md_size) <= 0)
goto err;
} else {
for (i = 0; i < md_block_size; i++)
hmac_pad[i] ^= 0x6a;
if (EVP_DigestUpdate(md_ctx, hmac_pad, md_block_size) <= 0
|| EVP_DigestUpdate(md_ctx, mac_out, md_size) <= 0)
goto err;
}
ret = EVP_DigestFinal(md_ctx, md_out, &md_out_size_u);
if (ret && md_out_size)
*md_out_size = md_out_size_u;
EVP_MD_CTX_free(md_ctx);
return 1;
err:
EVP_MD_CTX_free(md_ctx);
return 0;
} | https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/ssl/s3_cbc.c/#L410 |
d2a_code_data_42874 | int RAND_pseudo_bytes(unsigned char *buf, int num)
{
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth->pseudorand != NULL)
return meth->pseudorand(buf, num);
return -1;
} | https://github.com/openssl/openssl/blob/363e941ed43c648adf4d6d0874077ddd80041e1f/crypto/rand/rand_lib.c/#L856 |
d2a_code_data_42875 | static ngx_buf_t *
ngx_http_autoindex_html(ngx_http_request_t *r, ngx_array_t *entries)
{
u_char *last, scale;
off_t length;
size_t len, char_len, escape_html;
ngx_tm_t tm;
ngx_buf_t *b;
ngx_int_t size;
ngx_uint_t i, utf8;
ngx_time_t *tp;
ngx_http_autoindex_entry_t *entry;
ngx_http_autoindex_loc_conf_t *alcf;
static u_char title[] =
"<html>" CRLF
"<head><title>Index of "
;
static u_char header[] =
"</title></head>" CRLF
"<body>" CRLF
"<h1>Index of "
;
static u_char tail[] =
"</body>" CRLF
"</html>" CRLF
;
static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
if (r->headers_out.charset.len == 5
&& ngx_strncasecmp(r->headers_out.charset.data, (u_char *) "utf-8", 5)
== 0)
{
utf8 = 1;
} else {
utf8 = 0;
}
escape_html = ngx_escape_html(NULL, r->uri.data, r->uri.len);
len = sizeof(title) - 1
+ r->uri.len + escape_html
+ sizeof(header) - 1
+ r->uri.len + escape_html
+ sizeof("</h1>") - 1
+ sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1
+ sizeof("</pre><hr>") - 1
+ sizeof(tail) - 1;
entry = entries->elts;
for (i = 0; i < entries->nelts; i++) {
entry[i].escape = 2 * ngx_escape_uri(NULL, entry[i].name.data,
entry[i].name.len,
NGX_ESCAPE_URI_COMPONENT);
entry[i].escape_html = ngx_escape_html(NULL, entry[i].name.data,
entry[i].name.len);
if (utf8) {
entry[i].utf_len = ngx_utf8_length(entry[i].name.data,
entry[i].name.len);
} else {
entry[i].utf_len = entry[i].name.len;
}
len += sizeof("<a href=\"") - 1
+ entry[i].name.len + entry[i].escape
+ 1
+ sizeof("\">") - 1
+ entry[i].name.len - entry[i].utf_len
+ entry[i].escape_html
+ NGX_HTTP_AUTOINDEX_NAME_LEN + sizeof(">") - 2
+ sizeof("</a>") - 1
+ sizeof(" 28-Sep-1970 12:00 ") - 1
+ 20
+ 2;
}
b = ngx_create_temp_buf(r->pool, len);
if (b == NULL) {
return NULL;
}
b->last = ngx_cpymem(b->last, title, sizeof(title) - 1);
if (escape_html) {
b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len);
b->last = ngx_cpymem(b->last, header, sizeof(header) - 1);
b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len);
} else {
b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
b->last = ngx_cpymem(b->last, header, sizeof(header) - 1);
b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
}
b->last = ngx_cpymem(b->last, "</h1>", sizeof("</h1>") - 1);
b->last = ngx_cpymem(b->last, "<hr><pre><a href=\"../\">../</a>" CRLF,
sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1);
alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);
tp = ngx_timeofday();
for (i = 0; i < entries->nelts; i++) {
b->last = ngx_cpymem(b->last, "<a href=\"", sizeof("<a href=\"") - 1);
if (entry[i].escape) {
ngx_escape_uri(b->last, entry[i].name.data, entry[i].name.len,
NGX_ESCAPE_URI_COMPONENT);
b->last += entry[i].name.len + entry[i].escape;
} else {
b->last = ngx_cpymem(b->last, entry[i].name.data,
entry[i].name.len);
}
if (entry[i].dir) {
*b->last++ = '/';
}
*b->last++ = '"';
*b->last++ = '>';
len = entry[i].utf_len;
if (entry[i].name.len != len) {
if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3 + 1;
} else {
char_len = NGX_HTTP_AUTOINDEX_NAME_LEN + 1;
}
last = b->last;
b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data,
char_len, entry[i].name.len + 1);
if (entry[i].escape_html) {
b->last = (u_char *) ngx_escape_html(last, entry[i].name.data,
b->last - last);
}
last = b->last;
} else {
if (entry[i].escape_html) {
if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3;
} else {
char_len = len;
}
b->last = (u_char *) ngx_escape_html(b->last,
entry[i].name.data, char_len);
last = b->last;
} else {
b->last = ngx_cpystrn(b->last, entry[i].name.data,
NGX_HTTP_AUTOINDEX_NAME_LEN + 1);
last = b->last - 3;
}
}
if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
b->last = ngx_cpymem(last, "..></a>", sizeof("..></a>") - 1);
} else {
if (entry[i].dir && NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) {
*b->last++ = '/';
len++;
}
b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1);
if (NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) {
ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len);
b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len;
}
}
*b->last++ = ' ';
ngx_gmtime(entry[i].mtime + tp->gmtoff * 60 * alcf->localtime, &tm);
b->last = ngx_sprintf(b->last, "%02d-%s-%d %02d:%02d ",
tm.ngx_tm_mday,
months[tm.ngx_tm_mon - 1],
tm.ngx_tm_year,
tm.ngx_tm_hour,
tm.ngx_tm_min);
if (alcf->exact_size) {
if (entry[i].dir) {
b->last = ngx_cpymem(b->last, " -",
sizeof(" -") - 1);
} else {
b->last = ngx_sprintf(b->last, "%19O", entry[i].size);
}
} else {
if (entry[i].dir) {
b->last = ngx_cpymem(b->last, " -",
sizeof(" -") - 1);
} else {
length = entry[i].size;
if (length > 1024 * 1024 * 1024 - 1) {
size = (ngx_int_t) (length / (1024 * 1024 * 1024));
if ((length % (1024 * 1024 * 1024))
> (1024 * 1024 * 1024 / 2 - 1))
{
size++;
}
scale = 'G';
} else if (length > 1024 * 1024 - 1) {
size = (ngx_int_t) (length / (1024 * 1024));
if ((length % (1024 * 1024)) > (1024 * 1024 / 2 - 1)) {
size++;
}
scale = 'M';
} else if (length > 9999) {
size = (ngx_int_t) (length / 1024);
if (length % 1024 > 511) {
size++;
}
scale = 'K';
} else {
size = (ngx_int_t) length;
scale = '\0';
}
if (scale) {
b->last = ngx_sprintf(b->last, "%6i%c", size, scale);
} else {
b->last = ngx_sprintf(b->last, " %6i", size);
}
}
}
*b->last++ = CR;
*b->last++ = LF;
}
b->last = ngx_cpymem(b->last, "</pre><hr>", sizeof("</pre><hr>") - 1);
b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1);
return b;
} | https://github.com/nginx/nginx/blob/1065455289d72b140f9e63a420b531eaae2d4039/src/http/modules/ngx_http_autoindex_module.c/#L531 |
d2a_code_data_42876 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {
ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf))
? (int)sizeof(ebcdic_buf) : num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L104 |
d2a_code_data_42877 | static int do_file(const char *filename, const char *fullpath, enum Hash h)
{
STACK_OF (X509_INFO) *inf;
X509_INFO *x;
X509_NAME *name = NULL;
BIO *b;
const char *ext;
unsigned char digest[EVP_MAX_MD_SIZE];
int i, type, ret = -1;
if ((ext = strrchr(filename, '.')) == NULL)
return 0;
for (i = 0; i < (int)OSSL_NELEM(extensions); i++) {
if (strcasecmp(extensions[i], ext + 1) == 0)
break;
}
if (i >= (int)OSSL_NELEM(extensions))
return -1;
if ((b = BIO_new_file(fullpath, "r")) == NULL)
return -1;
inf = PEM_X509_INFO_read_bio(b, NULL, NULL, NULL);
BIO_free(b);
if (inf == NULL)
return -1;
if (sk_X509_INFO_num(inf) != 1) {
BIO_printf(bio_err,
"%s: skipping %s,"
"it does not contain exactly one certificate or CRL\n",
opt_getprog(), filename);
goto end;
}
x = sk_X509_INFO_value(inf, 0);
if (x->x509) {
type = TYPE_CERT;
name = X509_get_subject_name(x->x509);
X509_digest(x->x509, evpmd, digest, NULL);
} else if (x->crl) {
type = TYPE_CRL;
name = X509_CRL_get_issuer(x->crl);
X509_CRL_digest(x->crl, evpmd, digest, NULL);
}
if (name) {
if ((h == HASH_NEW) || (h == HASH_BOTH))
add_entry(type, X509_NAME_hash(name), filename, digest, 1, ~0);
if ((h == HASH_OLD) || (h == HASH_BOTH))
add_entry(type, X509_NAME_hash_old(name), filename, digest, 1, ~0);
}
end:
sk_X509_INFO_pop_free(inf, X509_INFO_free);
return ret;
} | https://github.com/openssl/openssl/blob/aec27d4d5210234560deab85c97bd453535f66ae/apps/rehash.c/#L268 |
d2a_code_data_42878 | static int module_init(CONF_MODULE *pmod, char *name, char *value, CONF *cnf)
{
int ret, init_called = 0;
CONF_IMODULE *imod = NULL;
imod = OPENSSL_malloc(sizeof(CONF_IMODULE));
if (!imod)
goto err;
imod->pmod = pmod;
imod->name = BUF_strdup(name);
imod->value = BUF_strdup(value);
imod->usr_data = NULL;
if (!imod->name || !imod->value)
goto memerr;
if(pmod->init)
{
ret = pmod->init(imod, cnf);
init_called = 1;
if (ret <= 0)
goto err;
}
if (initialized_modules == NULL)
initialized_modules = sk_CONF_IMODULE_new_null();
if (!initialized_modules)
goto err;
if (!sk_CONF_IMODULE_push(initialized_modules, imod))
goto err;
pmod->links++;
return ret;
err:
CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
if (pmod->finish && init_called)
pmod->finish(imod);
memerr:
if (imod)
{
if (imod->name)
OPENSSL_free(imod->name);
if (imod->value)
OPENSSL_free(imod->value);
OPENSSL_free(imod);
}
return -1;
} | https://github.com/openssl/openssl/blob/e4dd79bbc83f9eb4f55f3f1d04c4f72fea022778/crypto/conf/conf_mod.c/#L360 |
d2a_code_data_42879 | 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;
} | https://github.com/openssl/openssl/blob/f770d75b1cac264d6280ec7326277daff6965cbb/test/handshake_helper.c/#L196 |
d2a_code_data_42880 | static void prime_field_tests(void)
{
BN_CTX *ctx = NULL;
BIGNUM *p, *a, *b;
EC_GROUP *group;
EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL, *P_256 =
NULL, *P_384 = NULL, *P_521 = NULL;
EC_POINT *P, *Q, *R;
BIGNUM *x, *y, *z;
unsigned char buf[100];
size_t i, len;
int k;
ctx = BN_CTX_new();
if (!ctx)
ABORT;
p = BN_new();
a = BN_new();
b = BN_new();
if (!p || !a || !b)
ABORT;
if (!BN_hex2bn(&p, "17"))
ABORT;
if (!BN_hex2bn(&a, "1"))
ABORT;
if (!BN_hex2bn(&b, "1"))
ABORT;
group = EC_GROUP_new(EC_GFp_mont_method());
if (!group)
ABORT;
if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
ABORT;
{
EC_GROUP *tmp;
tmp = EC_GROUP_new(EC_GROUP_method_of(group));
if (!tmp)
ABORT;
if (!EC_GROUP_copy(tmp, group))
ABORT;
EC_GROUP_free(group);
group = tmp;
}
if (!EC_GROUP_get_curve_GFp(group, p, a, b, ctx))
ABORT;
fprintf(stdout,
"Curve defined by Weierstrass equation\n y^2 = x^3 + a*x + b (mod 0x");
BN_print_fp(stdout, p);
fprintf(stdout, ")\n a = 0x");
BN_print_fp(stdout, a);
fprintf(stdout, "\n b = 0x");
BN_print_fp(stdout, b);
fprintf(stdout, "\n");
P = EC_POINT_new(group);
Q = EC_POINT_new(group);
R = EC_POINT_new(group);
if (!P || !Q || !R)
ABORT;
if (!EC_POINT_set_to_infinity(group, P))
ABORT;
if (!EC_POINT_is_at_infinity(group, P))
ABORT;
buf[0] = 0;
if (!EC_POINT_oct2point(group, Q, buf, 1, ctx))
ABORT;
if (!EC_POINT_add(group, P, P, Q, ctx))
ABORT;
if (!EC_POINT_is_at_infinity(group, P))
ABORT;
x = BN_new();
y = BN_new();
z = BN_new();
if (!x || !y || !z)
ABORT;
if (!BN_hex2bn(&x, "D"))
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {
if (!EC_POINT_get_affine_coordinates_GFp(group, Q, x, y, ctx))
ABORT;
fprintf(stderr, "Point is not on curve: x = 0x");
BN_print_fp(stderr, x);
fprintf(stderr, ", y = 0x");
BN_print_fp(stderr, y);
fprintf(stderr, "\n");
ABORT;
}
fprintf(stdout, "A cyclic subgroup:\n");
k = 100;
do {
if (k-- == 0)
ABORT;
if (EC_POINT_is_at_infinity(group, P))
fprintf(stdout, " point at infinity\n");
else {
if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
fprintf(stdout, " x = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, ", y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, "\n");
}
if (!EC_POINT_copy(R, P))
ABORT;
if (!EC_POINT_add(group, P, P, Q, ctx))
ABORT;
}
while (!EC_POINT_is_at_infinity(group, P));
if (!EC_POINT_add(group, P, Q, R, ctx))
ABORT;
if (!EC_POINT_is_at_infinity(group, P))
ABORT;
len =
EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf,
sizeof buf, ctx);
if (len == 0)
ABORT;
if (!EC_POINT_oct2point(group, P, buf, len, ctx))
ABORT;
if (0 != EC_POINT_cmp(group, P, Q, ctx))
ABORT;
fprintf(stdout, "Generator as octet string, compressed form:\n ");
for (i = 0; i < len; i++)
fprintf(stdout, "%02X", buf[i]);
len =
EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf,
sizeof buf, ctx);
if (len == 0)
ABORT;
if (!EC_POINT_oct2point(group, P, buf, len, ctx))
ABORT;
if (0 != EC_POINT_cmp(group, P, Q, ctx))
ABORT;
fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n ");
for (i = 0; i < len; i++)
fprintf(stdout, "%02X", buf[i]);
len =
EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf,
ctx);
if (len == 0)
ABORT;
if (!EC_POINT_oct2point(group, P, buf, len, ctx))
ABORT;
if (0 != EC_POINT_cmp(group, P, Q, ctx))
ABORT;
fprintf(stdout, "\nGenerator as octet string, hybrid form:\n ");
for (i = 0; i < len; i++)
fprintf(stdout, "%02X", buf[i]);
if (!EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z, ctx))
ABORT;
fprintf(stdout,
"\nA representation of the inverse of that generator in\nJacobian projective coordinates:\n X = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, ", Y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, ", Z = 0x");
BN_print_fp(stdout, z);
fprintf(stdout, "\n");
if (!EC_POINT_invert(group, P, ctx))
ABORT;
if (0 != EC_POINT_cmp(group, P, R, ctx))
ABORT;
if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"))
ABORT;
if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
ABORT;
if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"))
ABORT;
if (!BN_hex2bn(&b, "1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45"))
ABORT;
if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
ABORT;
if (!BN_hex2bn(&x, "4A96B5688EF573284664698968C38BB913CBFC82"))
ABORT;
if (!BN_hex2bn(&y, "23a628553168947d59dcc912042351377ac5fb32"))
ABORT;
if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "0100000000000000000001F4C8F927AED3CA752257"))
ABORT;
if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
ABORT;
if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
fprintf(stdout, "\nSEC2 curve secp160r1 -- Generator:\n x = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, "\n y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, "\n");
if (!BN_hex2bn(&z, "23a628553168947d59dcc912042351377ac5fb32"))
ABORT;
if (0 != BN_cmp(y, z))
ABORT;
fprintf(stdout, "verify degree ...");
if (EC_GROUP_get_degree(group) != 160)
ABORT;
fprintf(stdout, " ok\n");
group_order_tests(group);
if ((P_160 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
ABORT;
if (!EC_GROUP_copy(P_160, group))
ABORT;
if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"))
ABORT;
if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
ABORT;
if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"))
ABORT;
if (!BN_hex2bn(&b, "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"))
ABORT;
if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
ABORT;
if (!BN_hex2bn(&x, "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"))
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"))
ABORT;
if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
ABORT;
if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
fprintf(stdout, "\nNIST curve P-192 -- Generator:\n x = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, "\n y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, "\n");
if (!BN_hex2bn(&z, "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"))
ABORT;
if (0 != BN_cmp(y, z))
ABORT;
fprintf(stdout, "verify degree ...");
if (EC_GROUP_get_degree(group) != 192)
ABORT;
fprintf(stdout, " ok\n");
group_order_tests(group);
if ((P_192 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
ABORT;
if (!EC_GROUP_copy(P_192, group))
ABORT;
if (!BN_hex2bn
(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"))
ABORT;
if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
ABORT;
if (!BN_hex2bn
(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))
ABORT;
if (!BN_hex2bn
(&b, "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"))
ABORT;
if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
ABORT;
if (!BN_hex2bn
(&x, "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"))
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn
(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"))
ABORT;
if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
ABORT;
if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
fprintf(stdout, "\nNIST curve P-224 -- Generator:\n x = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, "\n y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, "\n");
if (!BN_hex2bn
(&z, "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"))
ABORT;
if (0 != BN_cmp(y, z))
ABORT;
fprintf(stdout, "verify degree ...");
if (EC_GROUP_get_degree(group) != 224)
ABORT;
fprintf(stdout, " ok\n");
group_order_tests(group);
if ((P_224 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
ABORT;
if (!EC_GROUP_copy(P_224, group))
ABORT;
if (!BN_hex2bn
(&p,
"FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"))
ABORT;
if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
ABORT;
if (!BN_hex2bn
(&a,
"FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"))
ABORT;
if (!BN_hex2bn
(&b,
"5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"))
ABORT;
if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
ABORT;
if (!BN_hex2bn
(&x,
"6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"))
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E"
"84F3B9CAC2FC632551"))
ABORT;
if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
ABORT;
if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
fprintf(stdout, "\nNIST curve P-256 -- Generator:\n x = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, "\n y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, "\n");
if (!BN_hex2bn
(&z,
"4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"))
ABORT;
if (0 != BN_cmp(y, z))
ABORT;
fprintf(stdout, "verify degree ...");
if (EC_GROUP_get_degree(group) != 256)
ABORT;
fprintf(stdout, " ok\n");
group_order_tests(group);
if ((P_256 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
ABORT;
if (!EC_GROUP_copy(P_256, group))
ABORT;
if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"))
ABORT;
if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
ABORT;
if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC"))
ABORT;
if (!BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141"
"120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"))
ABORT;
if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
ABORT;
if (!BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B"
"9859F741E082542A385502F25DBF55296C3A545E3872760AB7"))
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"))
ABORT;
if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
ABORT;
if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
fprintf(stdout, "\nNIST curve P-384 -- Generator:\n x = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, "\n y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, "\n");
if (!BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A14"
"7CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"))
ABORT;
if (0 != BN_cmp(y, z))
ABORT;
fprintf(stdout, "verify degree ...");
if (EC_GROUP_get_degree(group) != 384)
ABORT;
fprintf(stdout, " ok\n");
group_order_tests(group);
if ((P_384 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
ABORT;
if (!EC_GROUP_copy(P_384, group))
ABORT;
if (!BN_hex2bn(&p, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFFFFFFFFFFFF"))
ABORT;
if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
ABORT;
if (!BN_hex2bn(&a, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFFFFFFFFFFFC"))
ABORT;
if (!BN_hex2bn(&b, "051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B"
"315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573"
"DF883D2C34F1EF451FD46B503F00"))
ABORT;
if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
ABORT;
if (!BN_hex2bn(&x, "C6858E06B70404E9CD9E3ECB662395B4429C648139053F"
"B521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B"
"3C1856A429BF97E7E31C2E5BD66"))
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5"
"C9B8899C47AEBB6FB71E91386409"))
ABORT;
if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
ABORT;
if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
fprintf(stdout, "\nNIST curve P-521 -- Generator:\n x = 0x");
BN_print_fp(stdout, x);
fprintf(stdout, "\n y = 0x");
BN_print_fp(stdout, y);
fprintf(stdout, "\n");
if (!BN_hex2bn(&z, "11839296A789A3BC0045C8A5FB42C7D1BD998F54449579"
"B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C"
"7086A272C24088BE94769FD16650"))
ABORT;
if (0 != BN_cmp(y, z))
ABORT;
fprintf(stdout, "verify degree ...");
if (EC_GROUP_get_degree(group) != 521)
ABORT;
fprintf(stdout, " ok\n");
group_order_tests(group);
if ((P_521 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
ABORT;
if (!EC_GROUP_copy(P_521, group))
ABORT;
if (!EC_POINT_copy(Q, P))
ABORT;
if (EC_POINT_is_at_infinity(group, Q))
ABORT;
if (!EC_POINT_dbl(group, P, P, ctx))
ABORT;
if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!EC_POINT_invert(group, Q, ctx))
ABORT;
if (!EC_POINT_add(group, R, P, Q, ctx))
ABORT;
if (!EC_POINT_add(group, R, R, Q, ctx))
ABORT;
if (!EC_POINT_is_at_infinity(group, R))
ABORT;
{
const EC_POINT *points[4];
const BIGNUM *scalars[4];
BIGNUM *scalar3;
if (EC_POINT_is_at_infinity(group, Q))
ABORT;
points[0] = Q;
points[1] = Q;
points[2] = Q;
points[3] = Q;
if (!EC_GROUP_get_order(group, z, ctx))
ABORT;
if (!BN_add(y, z, BN_value_one()))
ABORT;
if (BN_is_odd(y))
ABORT;
if (!BN_rshift1(y, y))
ABORT;
scalars[0] = y;
scalars[1] = y;
fprintf(stdout, "combined multiplication ...");
fflush(stdout);
if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
ABORT;
if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
ABORT;
if (0 != EC_POINT_cmp(group, P, R, ctx))
ABORT;
if (0 != EC_POINT_cmp(group, R, Q, ctx))
ABORT;
fprintf(stdout, ".");
fflush(stdout);
if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0))
ABORT;
if (!BN_add(z, z, y))
ABORT;
BN_set_negative(z, 1);
scalars[0] = y;
scalars[1] = z;
if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
ABORT;
if (!EC_POINT_is_at_infinity(group, P))
ABORT;
fprintf(stdout, ".");
fflush(stdout);
if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))
ABORT;
if (!BN_add(z, x, y))
ABORT;
BN_set_negative(z, 1);
scalars[0] = x;
scalars[1] = y;
scalars[2] = z;
scalar3 = BN_new();
if (!scalar3)
ABORT;
BN_zero(scalar3);
scalars[3] = scalar3;
if (!EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx))
ABORT;
if (!EC_POINT_is_at_infinity(group, P))
ABORT;
fprintf(stdout, " ok\n\n");
BN_free(scalar3);
}
BN_CTX_free(ctx);
BN_free(p);
BN_free(a);
BN_free(b);
EC_GROUP_free(group);
EC_POINT_free(P);
EC_POINT_free(Q);
EC_POINT_free(R);
BN_free(x);
BN_free(y);
BN_free(z);
EC_GROUP_free(P_160);
EC_GROUP_free(P_192);
EC_GROUP_free(P_224);
EC_GROUP_free(P_256);
EC_GROUP_free(P_384);
EC_GROUP_free(P_521);
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/ectest.c/#L256 |
d2a_code_data_42881 | void ff_acelp_lsf2lspd(double *lsp, const float *lsf, int lp_order)
{
int i;
for(i = 0; i < lp_order; i++)
lsp[i] = cos(2.0 * M_PI * lsf[i]);
} | https://github.com/libav/libav/blob/539ff40c2d685508c62f040693df0f0facda39ff/libavcodec/lsp.c/#L73 |
d2a_code_data_42882 | static inline int get_p_cbp(MpegEncContext * s,
DCTELEM block[6][64],
int motion_x, int motion_y){
int cbp, i;
if(s->flags & CODEC_FLAG_CBP_RD){
int best_cbpy_score= INT_MAX;
int best_cbpc_score= INT_MAX;
int cbpc = (-1), cbpy= (-1);
const int offset= (s->mv_type==MV_TYPE_16X16 ? 0 : 16) + (s->dquant ? 8 : 0);
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
for(i=0; i<4; i++){
int score= inter_MCBPC_bits[i + offset] * lambda;
if(i&1) score += s->coded_score[5];
if(i&2) score += s->coded_score[4];
if(score < best_cbpc_score){
best_cbpc_score= score;
cbpc= i;
}
}
for(i=0; i<16; i++){
int score= cbpy_tab[i ^ 0xF][1] * lambda;
if(i&1) score += s->coded_score[3];
if(i&2) score += s->coded_score[2];
if(i&4) score += s->coded_score[1];
if(i&8) score += s->coded_score[0];
if(score < best_cbpy_score){
best_cbpy_score= score;
cbpy= i;
}
}
cbp= cbpc + 4*cbpy;
if ((motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16){
if(best_cbpy_score + best_cbpc_score + 2*lambda >= 0)
cbp= 0;
}
for (i = 0; i < 6; i++) {
if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){
s->block_last_index[i]= -1;
memset(s->block[i], 0, sizeof(DCTELEM)*64);
}
}
}else{
cbp= 0;
for (i = 0; i < 6; i++) {
if (s->block_last_index[i] >= 0)
cbp |= 1 << (5 - i);
}
}
return cbp;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h263.c/#L806 |
d2a_code_data_42883 | int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
{
char *v;
int gmt=0;
int i;
int y=0,M=0,d=0,h=0,m=0,s=0;
char *f = NULL;
int f_len = 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 (tm->length >= 14 &&
(v[12] >= '0') && (v[12] <= '9') &&
(v[13] >= '0') && (v[13] <= '9'))
{
s= (v[12]-'0')*10+(v[13]-'0');
if (tm->length >= 15 && v[14] == '.')
{
int l = tm->length;
f = &v[14];
f_len = 1;
while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
++f_len;
}
}
if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
return(0);
else
return(1);
err:
BIO_write(bp,"Bad time value",14);
return(0);
} | https://github.com/openssl/openssl/blob/c21869fb07ea02ffd46e817caeb47d85a85ee8ef/crypto/asn1/t_x509.c/#L393 |
d2a_code_data_42884 | static int opt_vstats(void *optctx, const char *opt, const char *arg)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
return opt_vstats_file(NULL, opt, filename);
} | https://github.com/libav/libav/blob/a0ce85ac7de098d3f9b53b51b77a09bad700a011/avconv_opt.c/#L1889 |
d2a_code_data_42885 | static void opt_vstats (void)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
opt_vstats_file(filename);
} | https://github.com/libav/libav/blob/b568d6d94bda607e4ebb35be68181a8c2a9f5c50/ffmpeg.c/#L4161 |
d2a_code_data_42886 | static inline void refill_32(BitstreamContext *bc)
{
if (bc->ptr >= bc->buffer_end)
return;
#ifdef BITSTREAM_READER_LE
bc->bits = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits;
#else
bc->bits = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left);
#endif
bc->ptr += 4;
bc->bits_left += 32;
} | https://github.com/libav/libav/blob/7ff018c1cb43a5fe5ee2049d325cdd785852067a/libavcodec/bitstream.h/#L68 |
d2a_code_data_42887 | 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;
} | https://github.com/openssl/openssl/blob/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/ssl/packet.c/#L48 |
d2a_code_data_42888 | static int
TIFFStartTile(TIFF* tif, uint32 tile)
{
TIFFDirectory *td = &tif->tif_dir;
if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
if (!(*tif->tif_setupdecode)(tif))
return (0);
tif->tif_flags |= TIFF_CODERSETUP;
}
tif->tif_curtile = tile;
tif->tif_row =
(tile % TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth)) *
td->td_tilelength;
tif->tif_col =
(tile % TIFFhowmany_32(td->td_imagelength, td->td_tilelength)) *
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)));
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_read.c/#L751 |
d2a_code_data_42889 | int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align)
{
int line_size;
int sample_size = av_get_bytes_per_sample(sample_fmt);
int planar = av_sample_fmt_is_planar(sample_fmt);
if (!sample_size || nb_samples <= 0 || nb_channels <= 0)
return AVERROR(EINVAL);
if (!align) {
if (nb_samples > INT_MAX - 31)
return AVERROR(EINVAL);
align = 1;
nb_samples = FFALIGN(nb_samples, 32);
}
if (nb_channels > INT_MAX / align ||
(int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size)
return AVERROR(EINVAL);
line_size = planar ? FFALIGN(nb_samples * sample_size, align) :
FFALIGN(nb_samples * sample_size * nb_channels, align);
if (linesize)
*linesize = line_size;
return planar ? line_size * nb_channels : line_size;
} | https://github.com/libav/libav/blob/0e830094ad0dc251613a0aa3234d9c5c397e02e6/libavutil/samplefmt.c/#L124 |
d2a_code_data_42890 | static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int err, use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = ¶ms;
AVOutputFormat *file_oformat;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
ffmpeg_exit(1);
}
if (last_asked_format) {
file_oformat = av_guess_format(last_asked_format, NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
ffmpeg_exit(1);
}
last_asked_format = NULL;
} else {
file_oformat = av_guess_format(NULL, filename, NULL);
if (!file_oformat) {
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
filename);
ffmpeg_exit(1);
}
}
oc->oformat = file_oformat;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = read_ffserver_streams(oc, filename);
if (err < 0) {
print_error(filename, err);
ffmpeg_exit(1);
}
} else {
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
if (nb_input_files > 0) {
check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
&input_has_subtitle);
if (!input_has_video)
use_video = 0;
if (!input_has_audio)
use_audio = 0;
if (!input_has_subtitle)
use_subtitle = 0;
}
if (audio_disable) use_audio = 0;
if (video_disable) use_video = 0;
if (subtitle_disable) use_subtitle = 0;
if (use_video) new_video_stream(oc, nb_output_files);
if (use_audio) new_audio_stream(oc, nb_output_files);
if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
oc->timestamp = recording_timestamp;
av_metadata_copy(&oc->metadata, metadata, 0);
av_metadata_free(&metadata);
}
output_files[nb_output_files++] = oc;
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR_NUMEXPECTED);
ffmpeg_exit(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
filename[1] == ':' ||
av_strstart(filename, "file:", NULL))) {
if (url_exist(filename)) {
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
if (!read_yesno()) {
fprintf(stderr, "Not overwriting - exiting\n");
ffmpeg_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
ffmpeg_exit(1);
}
}
}
if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
print_error(filename, err);
ffmpeg_exit(1);
}
}
memset(ap, 0, sizeof(*ap));
if (av_set_parameters(oc, ap) < 0) {
fprintf(stderr, "%s: Invalid encoding parameters\n",
oc->filename);
ffmpeg_exit(1);
}
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
oc->loop_output = loop_output;
oc->flags |= AVFMT_FLAG_NONBLOCK;
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
av_freep(&forced_key_frames);
} | https://github.com/libav/libav/blob/f4c79d1e0b2e797012304db57903e4091b0c2d7c/ffmpeg.c/#L3714 |
d2a_code_data_42891 | 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_zalloc(words * sizeof(*a));
else
a = A = OPENSSL_zalloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#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);
} | https://github.com/openssl/openssl/blob/d7c42d71ba407a4b3c26ed58263ae225976bbac3/crypto/bn/bn_lib.c/#L289 |
d2a_code_data_42892 | static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr,
int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale, int flags, int size, int h)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d;
int dmin;
int map_generation;
int penalty_factor;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
LOAD_COMMON2
if(c->pre_pass){
penalty_factor= c->pre_penalty_factor;
cmpf= s->dsp.me_pre_cmp[size];
chroma_cmpf= s->dsp.me_pre_cmp[size+1];
}else{
penalty_factor= c->penalty_factor;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
}
map_generation= update_map_generation(c);
assert(cmpf);
dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
map[0]= map_generation;
score_map[0]= dmin;
if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0)
dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}else{
if(dmin<((h*h*s->avctx->mv0_threshold)>>8)
&& ( P_LEFT[0] |P_LEFT[1]
|P_TOP[0] |P_TOP[1]
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
*mx_ptr= 0;
*my_ptr= 0;
c->skip=1;
return dmin;
}
CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)
CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
}
if(dmin>h*h*4){
if(c->pre_pass){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)
if(!s->first_slice_line)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}else{
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
}
if(c->avctx->last_predictor_count){
const int count= c->avctx->last_predictor_count;
const int xstart= FFMAX(0, s->mb_x - count);
const int ystart= FFMAX(0, s->mb_y - count);
const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
int mb_y;
for(mb_y=ystart; mb_y<yend; mb_y++){
int mb_x;
for(mb_x=xstart; mb_x<xend; mb_x++){
const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
CHECK_MV(mx,my)
}
}
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1069 |
d2a_code_data_42893 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {
ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf))
? (int)sizeof(ebcdic_buf) : num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L104 |
d2a_code_data_42894 | 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(sum, +=, w, p);
p = synth_buf + 48;
SUM8(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, +=, sum2, -=, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, -=, sum2, -=, 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(sum, -=, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L923 |
d2a_code_data_42895 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return 0;
r->neg = a->neg;
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return 1;
} | https://github.com/openssl/openssl/blob/4cc968df403ed9321d0df722aba33323ae575ce0/crypto/bn/bn_shift.c/#L112 |
d2a_code_data_42896 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/e113c9c59dcb419dd00525cec431edb854a6c897/crypto/bn/bn_ctx.c/#L328 |
d2a_code_data_42897 | static int opt_input_ts_scale(const char *opt, const char *arg)
{
unsigned int stream;
double scale;
char *p;
stream = strtol(arg, &p, 0);
if (*p)
p++;
scale= strtod(p, &p);
ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
ts_scale[stream] = scale;
return 0;
} | https://github.com/libav/libav/blob/eb97dbb05a990266b04830ea8e179e0428656b98/ffmpeg.c/#L3102 |
d2a_code_data_42898 | static char *
ngx_http_geo_add_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
in_addr_t start, in_addr_t end)
{
in_addr_t n;
ngx_uint_t h, i, s, e;
ngx_array_t *a;
ngx_http_geo_range_t *range;
for (n = start; n <= end; n += 0x10000) {
h = n >> 16;
if (n == start) {
s = n & 0xffff;
} else {
s = 0;
}
if ((n | 0xffff) > end) {
e = end & 0xffff;
} else {
e = 0xffff;
}
a = (ngx_array_t *) ctx->high->low[h].ranges;
if (a == NULL) {
a = ngx_array_create(ctx->temp_pool, 64,
sizeof(ngx_http_geo_range_t));
if (a == NULL) {
return NGX_CONF_ERROR;
}
ctx->high->low[h].ranges = (ngx_http_geo_range_t *) a;
}
i = a->nelts;
range = a->elts;
while (i) {
i--;
if (e < (ngx_uint_t) range[i].start) {
continue;
}
if (s > (ngx_uint_t) range[i].end) {
range = ngx_array_push(a);
if (range == NULL) {
return NGX_CONF_ERROR;
}
range = a->elts;
ngx_memcpy(&range[i + 2], &range[i + 1],
(a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t));
range[i + 1].start = (u_short) s;
range[i + 1].end = (u_short) e;
range[i + 1].value = ctx->value;
goto next;
}
if (s == (ngx_uint_t) range[i].start
&& e == (ngx_uint_t) range[i].end)
{
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"duplicate range \"%V\", value: \"%v\", old value: \"%v\"",
ctx->net, ctx->value, range[i].value);
range[i].value = ctx->value;
goto next;
}
if (s > (ngx_uint_t) range[i].start
&& e < (ngx_uint_t) range[i].end)
{
range = ngx_array_push(a);
if (range == NULL) {
return NGX_CONF_ERROR;
}
range = ngx_array_push(a);
if (range == NULL) {
return NGX_CONF_ERROR;
}
range = a->elts;
ngx_memcpy(&range[i + 3], &range[i + 1],
(a->nelts - 3 - i) * sizeof(ngx_http_geo_range_t));
range[i + 2].start = (u_short) (e + 1);
range[i + 2].end = range[i].end;
range[i + 2].value = range[i].value;
range[i + 1].start = (u_short) s;
range[i + 1].end = (u_short) e;
range[i + 1].value = ctx->value;
range[i].end = (u_short) (s - 1);
goto next;
}
if (s == (ngx_uint_t) range[i].start
&& e < (ngx_uint_t) range[i].end)
{
range = ngx_array_push(a);
if (range == NULL) {
return NGX_CONF_ERROR;
}
range = a->elts;
ngx_memcpy(&range[i + 1], &range[i],
(a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t));
range[i + 1].start = (u_short) (e + 1);
range[i].start = (u_short) s;
range[i].end = (u_short) e;
range[i].value = ctx->value;
goto next;
}
if (s > (ngx_uint_t) range[i].start
&& e == (ngx_uint_t) range[i].end)
{
range = ngx_array_push(a);
if (range == NULL) {
return NGX_CONF_ERROR;
}
range = a->elts;
ngx_memcpy(&range[i + 2], &range[i + 1],
(a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t));
range[i + 1].start = (u_short) s;
range[i + 1].end = (u_short) e;
range[i + 1].value = ctx->value;
range[i].end = (u_short) (s - 1);
goto next;
}
s = (ngx_uint_t) range[i].start;
e = (ngx_uint_t) range[i].end;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"range \"%V\" overlaps \"%d.%d.%d.%d-%d.%d.%d.%d\"",
ctx->net,
h >> 8, h & 0xff, s >> 8, s & 0xff,
h >> 8, h & 0xff, e >> 8, e & 0xff);
return NGX_CONF_ERROR;
}
range = ngx_array_push(a);
if (range == NULL) {
return NGX_CONF_ERROR;
}
range->start = (u_short) s;
range->end = (u_short) e;
range->value = ctx->value;
next:
continue;
}
return NGX_CONF_OK;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/modules/ngx_http_geo_module.c/#L615 |
d2a_code_data_42899 | static int encode_test_init(EVP_TEST *t, const char *encoding)
{
ENCODE_DATA *edata = OPENSSL_zalloc(sizeof(*edata));
if (strcmp(encoding, "canonical") == 0) {
edata->encoding = BASE64_CANONICAL_ENCODING;
} else if (strcmp(encoding, "valid") == 0) {
edata->encoding = BASE64_VALID_ENCODING;
} else if (strcmp(encoding, "invalid") == 0) {
edata->encoding = BASE64_INVALID_ENCODING;
t->expected_err = OPENSSL_strdup("DECODE_ERROR");
if (t->expected_err == NULL)
return 0;
} else {
TEST_info("Bad encoding: %s. Should be one of "
"{canonical, valid, invalid}", encoding);
return 0;
}
t->data = edata;
return 1;
} | https://github.com/openssl/openssl/blob/69b4c01fd26e6eb72b156ed3014522c3295a7669/test/evp_test.c/#L1763 |
d2a_code_data_42900 | static int epzs_motion_search4(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int P[10][2],
int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d, dmin;
int map_generation;
const int penalty_factor= c->penalty_factor;
const int size=1;
const int h=8;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
int flags= c->flags;
LOAD_COMMON2
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
map_generation= update_map_generation(c);
dmin = 1000000;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
}else{
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}
if(dmin>64*4){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1167 |
d2a_code_data_42901 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L353 |
d2a_code_data_42902 | DECLAREcpFunc(cpSeparate2ContigByRow)
{
tsize_t scanlinesizein = TIFFScanlineSize(in);
tsize_t scanlinesizeout = TIFFScanlineSize(out);
tdata_t inbuf;
tdata_t outbuf;
register uint8 *inp, *outp;
register uint32 n;
uint32 row;
tsample_t s;
inbuf = _TIFFmalloc(scanlinesizein);
outbuf = _TIFFmalloc(scanlinesizeout);
if (!inbuf || !outbuf)
return 0;
_TIFFmemset(inbuf, 0, scanlinesizein);
_TIFFmemset(outbuf, 0, scanlinesizeout);
for (row = 0; row < imagelength; row++) {
for (s = 0; s < spp; s++) {
if (TIFFReadScanline(in, inbuf, row, s) < 0
&& !ignore) {
TIFFError(TIFFFileName(in),
"Error, can't read scanline %lu",
(unsigned long) row);
goto bad;
}
inp = (uint8*)inbuf;
outp = ((uint8*)outbuf) + s;
for (n = imagewidth; n-- > 0;) {
*outp = *inp++;
outp += spp;
}
}
if (TIFFWriteScanline(out, outbuf, row, 0) < 0) {
TIFFError(TIFFFileName(out),
"Error, can't write scanline %lu",
(unsigned long) row);
goto bad;
}
}
if (inbuf) _TIFFfree(inbuf);
if (outbuf) _TIFFfree(outbuf);
return 1;
bad:
if (inbuf) _TIFFfree(inbuf);
if (outbuf) _TIFFfree(outbuf);
return 0;
} | https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/tools/tiffcp.c/#L1115 |
d2a_code_data_42903 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (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;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/ssl/packet.c/#L46 |
d2a_code_data_42904 | int RAND_bytes(unsigned char *buf, int num)
{
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth->bytes != NULL)
return meth->bytes(buf, num);
RANDerr(RAND_F_RAND_BYTES, RAND_R_FUNC_NOT_IMPLEMENTED);
return -1;
} | https://github.com/openssl/openssl/blob/95658c32436017aeeef3d8598957071baf6769a9/crypto/rand/rand_lib.c/#L830 |
d2a_code_data_42905 | IMPLEMENT_new_ctx(cfb1, CFB, 256) | https://github.com/openssl/openssl/blob/f79858ac4d90a450d0620d1ecb713bc35d7d9f8d/providers/common/ciphers/aes.c/#L309 |
d2a_code_data_42906 | void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
int i;
InternalBuffer *buf, *last;
assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
assert(s->internal_buffer_count);
if(s->internal_buffer){
buf = NULL;
for(i=0; i<s->internal_buffer_count; i++){
buf= &((InternalBuffer*)s->internal_buffer)[i];
if(buf->data[0] == pic->data[0])
break;
}
assert(i < s->internal_buffer_count);
s->internal_buffer_count--;
last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
FFSWAP(InternalBuffer, *buf, *last);
}
for(i=0; i<4; i++){
pic->data[i]=NULL;
}
if(s->debug&FF_DEBUG_BUFFERS)
av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count);
} | https://github.com/libav/libav/blob/e2542dcc6e94d86b8b844f6ab0ce32ed329d39ee/libavcodec/utils.c/#L377 |
d2a_code_data_42907 | size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)
{
int len = strlen(dst);
va_list vl;
va_start(vl, fmt);
len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl);
va_end(vl);
return len;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavutil/string.c/#L74 |
d2a_code_data_42908 | static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int err, use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = ¶ms;
AVOutputFormat *file_oformat;
AVMetadataTag *tag = NULL;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
ffmpeg_exit(1);
}
if (last_asked_format) {
file_oformat = av_guess_format(last_asked_format, NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
ffmpeg_exit(1);
}
last_asked_format = NULL;
} else {
file_oformat = av_guess_format(NULL, filename, NULL);
if (!file_oformat) {
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
filename);
ffmpeg_exit(1);
}
}
oc->oformat = file_oformat;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = read_ffserver_streams(oc, filename);
if (err < 0) {
print_error(filename, err);
ffmpeg_exit(1);
}
} else {
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
if (nb_input_files > 0) {
check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
&input_has_subtitle);
if (!input_has_video)
use_video = 0;
if (!input_has_audio)
use_audio = 0;
if (!input_has_subtitle)
use_subtitle = 0;
}
if (audio_disable) use_audio = 0;
if (video_disable) use_video = 0;
if (subtitle_disable) use_subtitle = 0;
if (use_video) new_video_stream(oc, nb_output_files);
if (use_audio) new_audio_stream(oc, nb_output_files);
if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
oc->timestamp = recording_timestamp;
while ((tag = av_metadata_get(metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
av_metadata_set2(&oc->metadata, tag->key, tag->value, 0);
av_metadata_free(&metadata);
}
output_files[nb_output_files++] = oc;
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR_NUMEXPECTED);
ffmpeg_exit(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
filename[1] == ':' ||
av_strstart(filename, "file:", NULL))) {
if (url_exist(filename)) {
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
if (!read_yesno()) {
fprintf(stderr, "Not overwriting - exiting\n");
ffmpeg_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
ffmpeg_exit(1);
}
}
}
if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
print_error(filename, err);
ffmpeg_exit(1);
}
}
memset(ap, 0, sizeof(*ap));
if (av_set_parameters(oc, ap) < 0) {
fprintf(stderr, "%s: Invalid encoding parameters\n",
oc->filename);
ffmpeg_exit(1);
}
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
oc->loop_output = loop_output;
oc->flags |= AVFMT_FLAG_NONBLOCK;
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
nb_streamid_map = 0;
av_freep(&forced_key_frames);
} | https://github.com/libav/libav/blob/eced8fa02ea237abd9c6a6e9287bb7524addb8f4/ffmpeg.c/#L3585 |
d2a_code_data_42909 | 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;
}
} | https://github.com/openssl/openssl/blob/02756aa8ba36af6e718d7a07c4e6bd8ad12e7ba1/crypto/lhash/lhash.c/#L368 |
d2a_code_data_42910 | static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
int frame_size)
{
AVCodecContext *enc;
int frame_number;
double ti1, bitrate, avg_bitrate;
if (!vstats_file) {
vstats_file = fopen(vstats_filename, "w");
if (!vstats_file) {
perror("fopen");
ffmpeg_exit(1);
}
}
enc = ost->st->codec;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->frame_number;
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
if (enc->flags&CODEC_FLAG_PSNR)
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
fprintf(vstats_file,"f_size= %6d ", frame_size);
ti1 = ost->sync_opts * av_q2d(enc->time_base);
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)video_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
}
} | https://github.com/libav/libav/blob/eced8fa02ea237abd9c6a6e9287bb7524addb8f4/ffmpeg.c/#L1257 |
d2a_code_data_42911 | static int flv_write_header(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
FLVContext *flv = s->priv_data;
int i, width, height, samplerate, samplesize, channels, audiocodecid, videocodecid;
double framerate = 0.0;
int metadata_size_pos, data_size;
flv->hasAudio = 0;
flv->hasVideo = 0;
for(i=0; i<s->nb_streams; i++){
AVCodecContext *enc = s->streams[i]->codec;
if (enc->codec_type == CODEC_TYPE_VIDEO) {
width = enc->width;
height = enc->height;
if (s->streams[i]->r_frame_rate.den && s->streams[i]->r_frame_rate.num) {
framerate = av_q2d(s->streams[i]->r_frame_rate);
} else {
framerate = 1/av_q2d(s->streams[i]->codec->time_base);
}
flv->hasVideo=1;
videocodecid = enc->codec_tag;
if(videocodecid == 0) {
av_log(enc, AV_LOG_ERROR, "video codec not compatible with flv\n");
return -1;
}
} else {
flv->hasAudio=1;
samplerate = enc->sample_rate;
channels = enc->channels;
audiocodecid = enc->codec_tag;
samplesize = (enc->codec_id == CODEC_ID_PCM_S8) ? 8 : 16;
if(get_audio_flags(enc)<0)
return -1;
}
av_set_pts_info(s->streams[i], 24, 1, 1000);
}
put_tag(pb,"FLV");
put_byte(pb,1);
put_byte(pb, FLV_HEADER_FLAG_HASAUDIO * flv->hasAudio
+ FLV_HEADER_FLAG_HASVIDEO * flv->hasVideo);
put_be32(pb,9);
put_be32(pb,0);
for(i=0; i<s->nb_streams; i++){
if(s->streams[i]->codec->codec_tag == 5){
put_byte(pb,8);
put_be24(pb,0);
put_be24(pb,0);
put_be32(pb,0);
put_be32(pb,11);
flv->reserved=5;
}
}
put_byte(pb, 18);
metadata_size_pos= url_ftell(pb);
put_be24(pb, 0);
put_be24(pb, 0);
put_be32(pb, 0);
put_byte(pb, AMF_DATA_TYPE_STRING);
put_amf_string(pb, "onMetaData");
put_byte(pb, AMF_DATA_TYPE_MIXEDARRAY);
put_be32(pb, 5*flv->hasVideo + 4*flv->hasAudio + 2);
put_amf_string(pb, "duration");
flv->duration_offset= url_ftell(pb);
put_amf_double(pb, 0);
if(flv->hasVideo){
put_amf_string(pb, "width");
put_amf_double(pb, width);
put_amf_string(pb, "height");
put_amf_double(pb, height);
put_amf_string(pb, "videodatarate");
put_amf_double(pb, s->bit_rate / 1024.0);
put_amf_string(pb, "framerate");
put_amf_double(pb, framerate);
put_amf_string(pb, "videocodecid");
put_amf_double(pb, videocodecid);
}
if(flv->hasAudio){
put_amf_string(pb, "audiosamplerate");
put_amf_double(pb, samplerate);
put_amf_string(pb, "audiosamplesize");
put_amf_double(pb, samplesize);
put_amf_string(pb, "stereo");
put_amf_bool(pb, (channels == 2));
put_amf_string(pb, "audiocodecid");
put_amf_double(pb, audiocodecid);
}
put_amf_string(pb, "filesize");
flv->filesize_offset= url_ftell(pb);
put_amf_double(pb, 0);
put_amf_string(pb, "");
put_byte(pb, AMF_END_OF_OBJECT);
data_size= url_ftell(pb) - metadata_size_pos - 10;
url_fseek(pb, metadata_size_pos, SEEK_SET);
put_be24(pb, data_size);
url_fseek(pb, data_size + 10 - 3, SEEK_CUR);
put_be32(pb, data_size + 11);
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/flvenc.c/#L232 |
d2a_code_data_42912 | static void new_data_stream(AVFormatContext *oc, int file_idx)
{
AVStream *st;
AVOutputStream *ost;
AVCodec *codec=NULL;
AVCodecContext *data_enc;
st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
ffmpeg_exit(1);
}
ost = new_output_stream(oc, file_idx);
data_enc = st->codec;
output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
if (!data_stream_copy) {
fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
ffmpeg_exit(1);
}
avcodec_get_context_defaults3(st->codec, codec);
data_enc->codec_type = AVMEDIA_TYPE_DATA;
if (data_codec_tag)
data_enc->codec_tag= data_codec_tag;
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
if (data_stream_copy) {
st->stream_copy = 1;
}
data_disable = 0;
av_freep(&data_codec_name);
data_stream_copy = 0;
} | https://github.com/libav/libav/blob/41e21e4db623ebd77f431a6f30cf21d62d9e1f33/ffmpeg.c/#L3650 |
d2a_code_data_42913 | IMPLEMENT_new_ctx(ofb, OFB, 192) | https://github.com/openssl/openssl/blob/f79858ac4d90a450d0620d1ecb713bc35d7d9f8d/providers/common/ciphers/aes.c/#L299 |
d2a_code_data_42914 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | https://github.com/openssl/openssl/blob/aa048aef0b9146f90c06333dedfc105d1f9e2c22/crypto/bn/bn_sqr.c/#L114 |
d2a_code_data_42915 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->neg = b->neg;
a->top = b->top;
a->flags |= b->flags & BN_FLG_FIXED_TOP;
bn_check_top(a);
return a;
} | https://github.com/openssl/openssl/blob/3051bf2afab7ac8b7b9c64e68755d1addd2fb8ff/crypto/bn/bn_lib.c/#L291 |
d2a_code_data_42916 | size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len)
{
unsigned int M = (ctx->nonce.c[0] >> 3) & 7;
M *= 2;
M += 2;
if (len < M)
return 0;
memcpy(tag, ctx->cmac.c, M);
return M;
} | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/modes/ccm128.c/#L477 |
d2a_code_data_42917 | void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len)
{
#ifdef POLY1305_ASM
poly1305_blocks_f poly1305_blocks_p = ctx->func.blocks;
#endif
size_t rem, num;
if ((num = ctx->num)) {
rem = POLY1305_BLOCK_SIZE - num;
if (len >= rem) {
memcpy(ctx->data + num, inp, rem);
poly1305_blocks(ctx->opaque, ctx->data, POLY1305_BLOCK_SIZE, 1);
inp += rem;
len -= rem;
} else {
memcpy(ctx->data + num, inp, len);
ctx->num = num + len;
return;
}
}
rem = len % POLY1305_BLOCK_SIZE;
len -= rem;
if (len >= POLY1305_BLOCK_SIZE) {
poly1305_blocks(ctx->opaque, inp, len, 1);
inp += len;
}
if (rem)
memcpy(ctx->data, inp, rem);
ctx->num = rem;
} | https://github.com/openssl/openssl/blob/740b2b9a6cf31b02916a4d18f868e8a95934c083/crypto/poly1305/poly1305.c/#L485 |
d2a_code_data_42918 | int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n)
{
int i, ret = 0, a, b, c, d;
unsigned long l;
while ((conv_ascii2bin(*f) == B64_WS) && (n > 0)) {
f++;
n--;
}
while ((n > 3) && (B64_NOT_BASE64(conv_ascii2bin(f[n - 1]))))
n--;
if (n % 4 != 0)
return -1;
for (i = 0; i < n; i += 4) {
a = conv_ascii2bin(*(f++));
b = conv_ascii2bin(*(f++));
c = conv_ascii2bin(*(f++));
d = conv_ascii2bin(*(f++));
if ((a & 0x80) || (b & 0x80) || (c & 0x80) || (d & 0x80))
return -1;
l = ((((unsigned long)a) << 18L) |
(((unsigned long)b) << 12L) |
(((unsigned long)c) << 6L) | (((unsigned long)d)));
*(t++) = (unsigned char)(l >> 16L) & 0xff;
*(t++) = (unsigned char)(l >> 8L) & 0xff;
*(t++) = (unsigned char)(l) & 0xff;
ret += 3;
}
return ret;
} | https://github.com/openssl/openssl/blob/7747a49f2452dfab8880ff60451073ae8506c90e/crypto/evp/encode.c/#L372 |
d2a_code_data_42919 | int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
{
char *ret;
size_t n;
if (str->length >= len)
{
memset(&str->data[len],0,str->length-len);
str->length=len;
return(len);
}
if (str->max >= len)
{
memset(&str->data[str->length],0,len-str->length);
str->length=len;
return(len);
}
if (len > LIMIT_BEFORE_EXPANSION)
{
BUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE);
return 0;
}
n=(len+3)/3*4;
if (str->data == NULL)
ret=OPENSSL_malloc(n);
else
ret=OPENSSL_realloc_clean(str->data,str->max,n);
if (ret == NULL)
{
BUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE);
len=0;
}
else
{
str->data=ret;
str->max=n;
memset(&str->data[str->length],0,len-str->length);
str->length=len;
}
return(len);
} | https://github.com/openssl/openssl/blob/66f96fe2d519147097c118d4bf60704c69ed0635/crypto/buffer/buffer.c/#L146 |
d2a_code_data_42920 | int BN_num_bits_word(BN_ULONG l)
{
BN_ULONG x, mask;
int bits = (l != 0);
#if BN_BITS2 > 32
x = l >> 32;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 32 & mask;
l ^= (x ^ l) & mask;
#endif
x = l >> 16;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 16 & mask;
l ^= (x ^ l) & mask;
x = l >> 8;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 8 & mask;
l ^= (x ^ l) & mask;
x = l >> 4;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 4 & mask;
l ^= (x ^ l) & mask;
x = l >> 2;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 2 & mask;
l ^= (x ^ l) & mask;
x = l >> 1;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 1 & mask;
return bits;
} | https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_lib.c/#L97 |
d2a_code_data_42921 | 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();
} | https://github.com/openssl/openssl/blob/35b1a433ed893f29adff490ad06160eaa86c2416/ssl/t1_lib.c/#L4013 |
d2a_code_data_42922 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | https://github.com/openssl/openssl/blob/2238119751bb95efc1dfafabf0e70e86f71fc6f6/crypto/bn/bn_shift.c/#L110 |
d2a_code_data_42923 | 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;
} | https://github.com/openssl/openssl/blob/b5ee517794cf546dc7e3d5a82b400955a7381053/crypto/lhash/lhash.c/#L146 |
d2a_code_data_42924 | static int adpcm_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
const uint8_t *buf, int buf_size)
{
ADPCMContext *c = avctx->priv_data;
ADPCMChannelStatus *cs;
int n, m, channel, i;
int block_predictor[2];
short *samples;
short *samples_end;
const uint8_t *src;
int st;
unsigned char last_byte = 0;
unsigned char nibble;
int decode_top_nibble_next = 0;
int diff_channel;
uint32_t samples_in_chunk;
int32_t previous_left_sample, previous_right_sample;
int32_t current_left_sample, current_right_sample;
int32_t next_left_sample, next_right_sample;
int32_t coeff1l, coeff2l, coeff1r, coeff2r;
uint8_t shift_left, shift_right;
int count1, count2;
if (!buf_size)
return 0;
if(*data_size/4 < buf_size + 8)
return -1;
samples = data;
samples_end= samples + *data_size/2;
*data_size= 0;
src = buf;
st = avctx->channels == 2 ? 1 : 0;
switch(avctx->codec->id) {
case CODEC_ID_ADPCM_IMA_QT:
n = (buf_size - 2);
channel = c->channel;
cs = &(c->status[channel]);
cs->predictor = (*src++) << 8;
cs->predictor |= (*src & 0x80);
cs->predictor &= 0xFF80;
if(cs->predictor & 0x8000)
cs->predictor -= 0x10000;
cs->predictor = av_clip_int16(cs->predictor);
cs->step_index = (*src++) & 0x7F;
if (cs->step_index > 88){
av_log(avctx, AV_LOG_ERROR, "ERROR: step_index = %i\n", cs->step_index);
cs->step_index = 88;
}
cs->step = step_table[cs->step_index];
if (st && channel)
samples++;
for(m=32; n>0 && m>0; n--, m--) {
*samples = adpcm_ima_expand_nibble(cs, src[0] & 0x0F, 3);
samples += avctx->channels;
*samples = adpcm_ima_expand_nibble(cs, (src[0] >> 4) & 0x0F, 3);
samples += avctx->channels;
src ++;
}
if(st) {
c->channel = (channel + 1) % 2;
if(channel == 1) {
return src - buf;
}
}
break;
case CODEC_ID_ADPCM_IMA_WAV:
if (avctx->block_align != 0 && buf_size > avctx->block_align)
buf_size = avctx->block_align;
for(i=0; i<avctx->channels; i++){
cs = &(c->status[i]);
cs->predictor = *samples++ = (int16_t)(src[0] + (src[1]<<8));
src+=2;
cs->step_index = *src++;
if (cs->step_index > 88){
av_log(avctx, AV_LOG_ERROR, "ERROR: step_index = %i\n", cs->step_index);
cs->step_index = 88;
}
if (*src++) av_log(avctx, AV_LOG_ERROR, "unused byte should be null but is %d!!\n", src[-1]);
}
while(src < buf + buf_size){
for(m=0; m<4; m++){
for(i=0; i<=st; i++)
*samples++ = adpcm_ima_expand_nibble(&c->status[i], src[4*i] & 0x0F, 3);
for(i=0; i<=st; i++)
*samples++ = adpcm_ima_expand_nibble(&c->status[i], src[4*i] >> 4 , 3);
src++;
}
src += 4*st;
}
break;
case CODEC_ID_ADPCM_4XM:
cs = &(c->status[0]);
c->status[0].predictor= (int16_t)(src[0] + (src[1]<<8)); src+=2;
if(st){
c->status[1].predictor= (int16_t)(src[0] + (src[1]<<8)); src+=2;
}
c->status[0].step_index= (int16_t)(src[0] + (src[1]<<8)); src+=2;
if(st){
c->status[1].step_index= (int16_t)(src[0] + (src[1]<<8)); src+=2;
}
if (cs->step_index < 0) cs->step_index = 0;
if (cs->step_index > 88) cs->step_index = 88;
m= (buf_size - (src - buf))>>st;
for(i=0; i<m; i++) {
*samples++ = adpcm_ima_expand_nibble(&c->status[0], src[i] & 0x0F, 4);
if (st)
*samples++ = adpcm_ima_expand_nibble(&c->status[1], src[i+m] & 0x0F, 4);
*samples++ = adpcm_ima_expand_nibble(&c->status[0], src[i] >> 4, 4);
if (st)
*samples++ = adpcm_ima_expand_nibble(&c->status[1], src[i+m] >> 4, 4);
}
src += m<<st;
break;
case CODEC_ID_ADPCM_MS:
if (avctx->block_align != 0 && buf_size > avctx->block_align)
buf_size = avctx->block_align;
n = buf_size - 7 * avctx->channels;
if (n < 0)
return -1;
block_predictor[0] = av_clip(*src++, 0, 7);
block_predictor[1] = 0;
if (st)
block_predictor[1] = av_clip(*src++, 0, 7);
c->status[0].idelta = (int16_t)((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
src+=2;
if (st){
c->status[1].idelta = (int16_t)((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
src+=2;
}
c->status[0].coeff1 = AdaptCoeff1[block_predictor[0]];
c->status[0].coeff2 = AdaptCoeff2[block_predictor[0]];
c->status[1].coeff1 = AdaptCoeff1[block_predictor[1]];
c->status[1].coeff2 = AdaptCoeff2[block_predictor[1]];
c->status[0].sample1 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
src+=2;
if (st) c->status[1].sample1 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
if (st) src+=2;
c->status[0].sample2 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
src+=2;
if (st) c->status[1].sample2 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
if (st) src+=2;
*samples++ = c->status[0].sample1;
if (st) *samples++ = c->status[1].sample1;
*samples++ = c->status[0].sample2;
if (st) *samples++ = c->status[1].sample2;
for(;n>0;n--) {
*samples++ = adpcm_ms_expand_nibble(&c->status[0], (src[0] >> 4) & 0x0F);
*samples++ = adpcm_ms_expand_nibble(&c->status[st], src[0] & 0x0F);
src ++;
}
break;
case CODEC_ID_ADPCM_IMA_DK4:
if (avctx->block_align != 0 && buf_size > avctx->block_align)
buf_size = avctx->block_align;
c->status[0].predictor = (int16_t)(src[0] | (src[1] << 8));
c->status[0].step_index = src[2];
src += 4;
*samples++ = c->status[0].predictor;
if (st) {
c->status[1].predictor = (int16_t)(src[0] | (src[1] << 8));
c->status[1].step_index = src[2];
src += 4;
*samples++ = c->status[1].predictor;
}
while (src < buf + buf_size) {
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F, 3);
if (st)
*samples++ = adpcm_ima_expand_nibble(&c->status[1],
src[0] & 0x0F, 3);
else
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
src[0] & 0x0F, 3);
src++;
}
break;
case CODEC_ID_ADPCM_IMA_DK3:
if (avctx->block_align != 0 && buf_size > avctx->block_align)
buf_size = avctx->block_align;
if(buf_size + 16 > (samples_end - samples)*3/8)
return -1;
c->status[0].predictor = (int16_t)(src[10] | (src[11] << 8));
c->status[1].predictor = (int16_t)(src[12] | (src[13] << 8));
c->status[0].step_index = src[14];
c->status[1].step_index = src[15];
src += 16;
diff_channel = c->status[1].predictor;
while (1) {
DK3_GET_NEXT_NIBBLE();
adpcm_ima_expand_nibble(&c->status[0], nibble, 3);
DK3_GET_NEXT_NIBBLE();
adpcm_ima_expand_nibble(&c->status[1], nibble, 3);
diff_channel = (diff_channel + c->status[1].predictor) / 2;
*samples++ = c->status[0].predictor + c->status[1].predictor;
*samples++ = c->status[0].predictor - c->status[1].predictor;
DK3_GET_NEXT_NIBBLE();
adpcm_ima_expand_nibble(&c->status[0], nibble, 3);
diff_channel = (diff_channel + c->status[1].predictor) / 2;
*samples++ = c->status[0].predictor + c->status[1].predictor;
*samples++ = c->status[0].predictor - c->status[1].predictor;
}
break;
case CODEC_ID_ADPCM_IMA_WS:
while (src < buf + buf_size) {
if (st) {
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F, 3);
*samples++ = adpcm_ima_expand_nibble(&c->status[1],
src[0] & 0x0F, 3);
} else {
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F, 3);
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
src[0] & 0x0F, 3);
}
src++;
}
break;
case CODEC_ID_ADPCM_XA:
while (buf_size >= 128) {
xa_decode(samples, src, &c->status[0], &c->status[1],
avctx->channels);
src += 128;
samples += 28 * 8;
buf_size -= 128;
}
break;
case CODEC_ID_ADPCM_IMA_EA_EACS:
samples_in_chunk = bytestream_get_le32(&src) >> (1-st);
if (samples_in_chunk > buf_size-4-(8<<st)) {
src += buf_size - 4;
break;
}
for (i=0; i<=st; i++)
c->status[i].step_index = bytestream_get_le32(&src);
for (i=0; i<=st; i++)
c->status[i].predictor = bytestream_get_le32(&src);
for (; samples_in_chunk; samples_in_chunk--, src++) {
*samples++ = adpcm_ima_expand_nibble(&c->status[0], *src>>4, 3);
*samples++ = adpcm_ima_expand_nibble(&c->status[st], *src&0x0F, 3);
}
break;
case CODEC_ID_ADPCM_IMA_EA_SEAD:
for (; src < buf+buf_size; src++) {
*samples++ = adpcm_ima_expand_nibble(&c->status[0], src[0] >> 4, 6);
*samples++ = adpcm_ima_expand_nibble(&c->status[st],src[0]&0x0F, 6);
}
break;
case CODEC_ID_ADPCM_EA:
samples_in_chunk = AV_RL32(src);
if (samples_in_chunk >= ((buf_size - 12) * 2)) {
src += buf_size;
break;
}
src += 4;
current_left_sample = (int16_t)AV_RL16(src);
src += 2;
previous_left_sample = (int16_t)AV_RL16(src);
src += 2;
current_right_sample = (int16_t)AV_RL16(src);
src += 2;
previous_right_sample = (int16_t)AV_RL16(src);
src += 2;
for (count1 = 0; count1 < samples_in_chunk/28;count1++) {
coeff1l = ea_adpcm_table[(*src >> 4) & 0x0F];
coeff2l = ea_adpcm_table[((*src >> 4) & 0x0F) + 4];
coeff1r = ea_adpcm_table[*src & 0x0F];
coeff2r = ea_adpcm_table[(*src & 0x0F) + 4];
src++;
shift_left = ((*src >> 4) & 0x0F) + 8;
shift_right = (*src & 0x0F) + 8;
src++;
for (count2 = 0; count2 < 28; count2++) {
next_left_sample = (((*src & 0xF0) << 24) >> shift_left);
next_right_sample = (((*src & 0x0F) << 28) >> shift_right);
src++;
next_left_sample = (next_left_sample +
(current_left_sample * coeff1l) +
(previous_left_sample * coeff2l) + 0x80) >> 8;
next_right_sample = (next_right_sample +
(current_right_sample * coeff1r) +
(previous_right_sample * coeff2r) + 0x80) >> 8;
previous_left_sample = current_left_sample;
current_left_sample = av_clip_int16(next_left_sample);
previous_right_sample = current_right_sample;
current_right_sample = av_clip_int16(next_right_sample);
*samples++ = (unsigned short)current_left_sample;
*samples++ = (unsigned short)current_right_sample;
}
}
break;
case CODEC_ID_ADPCM_EA_R1:
case CODEC_ID_ADPCM_EA_R2:
case CODEC_ID_ADPCM_EA_R3: {
const int big_endian = avctx->codec->id == CODEC_ID_ADPCM_EA_R3;
int32_t previous_sample, current_sample, next_sample;
int32_t coeff1, coeff2;
uint8_t shift;
unsigned int channel;
uint16_t *samplesC;
const uint8_t *srcC;
samples_in_chunk = (big_endian ? bytestream_get_be32(&src)
: bytestream_get_le32(&src)) / 28;
if (samples_in_chunk > UINT32_MAX/(28*avctx->channels) ||
28*samples_in_chunk*avctx->channels > samples_end-samples) {
src += buf_size - 4;
break;
}
for (channel=0; channel<avctx->channels; channel++) {
srcC = src + (big_endian ? bytestream_get_be32(&src)
: bytestream_get_le32(&src))
+ (avctx->channels-channel-1) * 4;
samplesC = samples + channel;
if (avctx->codec->id == CODEC_ID_ADPCM_EA_R1) {
current_sample = (int16_t)bytestream_get_le16(&srcC);
previous_sample = (int16_t)bytestream_get_le16(&srcC);
} else {
current_sample = c->status[channel].predictor;
previous_sample = c->status[channel].prev_sample;
}
for (count1=0; count1<samples_in_chunk; count1++) {
if (*srcC == 0xEE) {
srcC++;
current_sample = (int16_t)bytestream_get_be16(&srcC);
previous_sample = (int16_t)bytestream_get_be16(&srcC);
for (count2=0; count2<28; count2++) {
*samplesC = (int16_t)bytestream_get_be16(&srcC);
samplesC += avctx->channels;
}
} else {
coeff1 = ea_adpcm_table[ (*srcC>>4) & 0x0F ];
coeff2 = ea_adpcm_table[((*srcC>>4) & 0x0F) + 4];
shift = (*srcC++ & 0x0F) + 8;
for (count2=0; count2<28; count2++) {
if (count2 & 1)
next_sample = ((*srcC++ & 0x0F) << 28) >> shift;
else
next_sample = ((*srcC & 0xF0) << 24) >> shift;
next_sample += (current_sample * coeff1) +
(previous_sample * coeff2);
next_sample = av_clip_int16(next_sample >> 8);
previous_sample = current_sample;
current_sample = next_sample;
*samplesC = current_sample;
samplesC += avctx->channels;
}
}
}
if (avctx->codec->id != CODEC_ID_ADPCM_EA_R1) {
c->status[channel].predictor = current_sample;
c->status[channel].prev_sample = previous_sample;
}
}
src = src + buf_size - (4 + 4*avctx->channels);
samples += 28 * samples_in_chunk * avctx->channels;
break;
}
case CODEC_ID_ADPCM_EA_XAS:
if (samples_end-samples < 32*4*avctx->channels
|| buf_size < (4+15)*4*avctx->channels) {
src += buf_size;
break;
}
for (channel=0; channel<avctx->channels; channel++) {
int coeff[2][4], shift[4];
short *s2, *s = &samples[channel];
for (n=0; n<4; n++, s+=32*avctx->channels) {
for (i=0; i<2; i++)
coeff[i][n] = ea_adpcm_table[(src[0]&0x0F)+4*i];
shift[n] = (src[2]&0x0F) + 8;
for (s2=s, i=0; i<2; i++, src+=2, s2+=avctx->channels)
s2[0] = (src[0]&0xF0) + (src[1]<<8);
}
for (m=2; m<32; m+=2) {
s = &samples[m*avctx->channels + channel];
for (n=0; n<4; n++, src++, s+=32*avctx->channels) {
for (s2=s, i=0; i<8; i+=4, s2+=avctx->channels) {
int level = ((*src & (0xF0>>i)) << (24+i)) >> shift[n];
int pred = s2[-1*avctx->channels] * coeff[0][n]
+ s2[-2*avctx->channels] * coeff[1][n];
s2[0] = av_clip_int16((level + pred + 0x80) >> 8);
}
}
}
}
samples += 32*4*avctx->channels;
break;
case CODEC_ID_ADPCM_IMA_AMV:
case CODEC_ID_ADPCM_IMA_SMJPEG:
c->status[0].predictor = (int16_t)bytestream_get_le16(&src);
c->status[0].step_index = bytestream_get_le16(&src);
if (avctx->codec->id == CODEC_ID_ADPCM_IMA_AMV)
src+=4;
while (src < buf + buf_size) {
char hi, lo;
lo = *src & 0x0F;
hi = (*src >> 4) & 0x0F;
if (avctx->codec->id == CODEC_ID_ADPCM_IMA_AMV)
FFSWAP(char, hi, lo);
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
lo, 3);
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
hi, 3);
src++;
}
break;
case CODEC_ID_ADPCM_CT:
while (src < buf + buf_size) {
if (st) {
*samples++ = adpcm_ct_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F);
*samples++ = adpcm_ct_expand_nibble(&c->status[1],
src[0] & 0x0F);
} else {
*samples++ = adpcm_ct_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F);
*samples++ = adpcm_ct_expand_nibble(&c->status[0],
src[0] & 0x0F);
}
src++;
}
break;
case CODEC_ID_ADPCM_SBPRO_4:
case CODEC_ID_ADPCM_SBPRO_3:
case CODEC_ID_ADPCM_SBPRO_2:
if (!c->status[0].step_index) {
*samples++ = 128 * (*src++ - 0x80);
if (st)
*samples++ = 128 * (*src++ - 0x80);
c->status[0].step_index = 1;
}
if (avctx->codec->id == CODEC_ID_ADPCM_SBPRO_4) {
while (src < buf + buf_size) {
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F, 4, 0);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[st],
src[0] & 0x0F, 4, 0);
src++;
}
} else if (avctx->codec->id == CODEC_ID_ADPCM_SBPRO_3) {
while (src < buf + buf_size && samples + 2 < samples_end) {
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
(src[0] >> 5) & 0x07, 3, 0);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
(src[0] >> 2) & 0x07, 3, 0);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
src[0] & 0x03, 2, 0);
src++;
}
} else {
while (src < buf + buf_size && samples + 3 < samples_end) {
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
(src[0] >> 6) & 0x03, 2, 2);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[st],
(src[0] >> 4) & 0x03, 2, 2);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[0],
(src[0] >> 2) & 0x03, 2, 2);
*samples++ = adpcm_sbpro_expand_nibble(&c->status[st],
src[0] & 0x03, 2, 2);
src++;
}
}
break;
case CODEC_ID_ADPCM_SWF:
{
GetBitContext gb;
const int *table;
int k0, signmask, nb_bits, count;
int size = buf_size*8;
init_get_bits(&gb, buf, size);
nb_bits = get_bits(&gb, 2)+2;
table = swf_index_tables[nb_bits-2];
k0 = 1 << (nb_bits-2);
signmask = 1 << (nb_bits-1);
while (get_bits_count(&gb) <= size - 22*avctx->channels) {
for (i = 0; i < avctx->channels; i++) {
*samples++ = c->status[i].predictor = get_sbits(&gb, 16);
c->status[i].step_index = get_bits(&gb, 6);
}
for (count = 0; get_bits_count(&gb) <= size - nb_bits*avctx->channels && count < 4095; count++) {
int i;
for (i = 0; i < avctx->channels; i++) {
int delta = get_bits(&gb, nb_bits);
int step = step_table[c->status[i].step_index];
long vpdiff = 0;
int k = k0;
do {
if (delta & k)
vpdiff += step;
step >>= 1;
k >>= 1;
} while(k);
vpdiff += step;
if (delta & signmask)
c->status[i].predictor -= vpdiff;
else
c->status[i].predictor += vpdiff;
c->status[i].step_index += table[delta & (~signmask)];
c->status[i].step_index = av_clip(c->status[i].step_index, 0, 88);
c->status[i].predictor = av_clip_int16(c->status[i].predictor);
*samples++ = c->status[i].predictor;
if (samples >= samples_end) {
av_log(avctx, AV_LOG_ERROR, "allocated output buffer is too small\n");
return -1;
}
}
}
}
src += buf_size;
break;
}
case CODEC_ID_ADPCM_YAMAHA:
while (src < buf + buf_size) {
if (st) {
*samples++ = adpcm_yamaha_expand_nibble(&c->status[0],
src[0] & 0x0F);
*samples++ = adpcm_yamaha_expand_nibble(&c->status[1],
(src[0] >> 4) & 0x0F);
} else {
*samples++ = adpcm_yamaha_expand_nibble(&c->status[0],
src[0] & 0x0F);
*samples++ = adpcm_yamaha_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F);
}
src++;
}
break;
case CODEC_ID_ADPCM_THP:
{
int table[2][16];
unsigned int samplecnt;
int prev[2][2];
int ch;
if (buf_size < 80) {
av_log(avctx, AV_LOG_ERROR, "frame too small\n");
return -1;
}
src+=4;
samplecnt = bytestream_get_be32(&src);
for (i = 0; i < 32; i++)
table[0][i] = (int16_t)bytestream_get_be16(&src);
for (i = 0; i < 4; i++)
prev[0][i] = (int16_t)bytestream_get_be16(&src);
if (samplecnt >= (samples_end - samples) / (st + 1)) {
av_log(avctx, AV_LOG_ERROR, "allocated output buffer is too small\n");
return -1;
}
for (ch = 0; ch <= st; ch++) {
samples = (unsigned short *) data + ch;
for (i = 0; i < samplecnt / 14; i++) {
int index = (*src >> 4) & 7;
unsigned int exp = 28 - (*src++ & 15);
int factor1 = table[ch][index * 2];
int factor2 = table[ch][index * 2 + 1];
for (n = 0; n < 14; n++) {
int32_t sampledat;
if(n&1) sampledat= *src++ <<28;
else sampledat= (*src&0xF0)<<24;
sampledat = ((prev[ch][0]*factor1
+ prev[ch][1]*factor2) >> 11) + (sampledat>>exp);
*samples = av_clip_int16(sampledat);
prev[ch][1] = prev[ch][0];
prev[ch][0] = *samples++;
samples += st;
}
}
}
samples -= st;
break;
}
default:
return -1;
}
*data_size = (uint8_t *)samples - (uint8_t *)data;
return src - buf;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/adpcm.c/#L1339 |
d2a_code_data_42925 | static inline void pred_direct_motion(H264Context * const h, int *mb_type){
MpegEncContext * const s = &h->s;
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
const int is_b8x8 = IS_8X8(*mb_type);
unsigned int sub_mb_type;
int i8, i4;
#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
}else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
*mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
}else{
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
}
if(!is_b8x8)
*mb_type |= MB_TYPE_DIRECT2;
if(MB_FIELD)
*mb_type |= MB_TYPE_INTERLACED;
tprintf(s->avctx, "mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
if(h->direct_spatial_mv_pred){
int ref[2];
int mv[2][2];
int list;
for(list=0; list<2; list++){
int refa = h->ref_cache[list][scan8[0] - 1];
int refb = h->ref_cache[list][scan8[0] - 8];
int refc = h->ref_cache[list][scan8[0] - 8 + 4];
if(refc == -2)
refc = h->ref_cache[list][scan8[0] - 8 - 1];
ref[list] = refa;
if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
ref[list] = refb;
if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
ref[list] = refc;
if(ref[list] < 0)
ref[list] = -1;
}
if(ref[0] < 0 && ref[1] < 0){
ref[0] = ref[1] = 0;
mv[0][0] = mv[0][1] =
mv[1][0] = mv[1][1] = 0;
}else{
for(list=0; list<2; list++){
if(ref[list] >= 0)
pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
else
mv[list][0] = mv[list][1] = 0;
}
}
if(ref[1] < 0){
if(!is_b8x8)
*mb_type &= ~MB_TYPE_L1;
sub_mb_type &= ~MB_TYPE_L1;
}else if(ref[0] < 0){
if(!is_b8x8)
*mb_type &= ~MB_TYPE_L0;
sub_mb_type &= ~MB_TYPE_L0;
}
if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
int mb_types_col[2];
int b8_stride = h->b8_stride;
int b4_stride = h->b_stride;
*mb_type = (*mb_type & ~MB_TYPE_16x16) | MB_TYPE_8x8;
if(IS_INTERLACED(*mb_type)){
mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
if(s->mb_y&1){
l1ref0 -= 2*b8_stride;
l1ref1 -= 2*b8_stride;
l1mv0 -= 4*b4_stride;
l1mv1 -= 4*b4_stride;
}
b8_stride *= 3;
b4_stride *= 6;
}else{
int cur_poc = s->current_picture_ptr->poc;
int *col_poc = h->ref_list[1]->field_poc;
int col_parity = FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc);
int dy = 2*col_parity - (s->mb_y&1);
mb_types_col[0] =
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy + col_parity*s->mb_stride];
l1ref0 += dy*b8_stride;
l1ref1 += dy*b8_stride;
l1mv0 += 2*dy*b4_stride;
l1mv1 += 2*dy*b4_stride;
b8_stride = 0;
}
for(i8=0; i8<4; i8++){
int x8 = i8&1;
int y8 = i8>>1;
int xy8 = x8+y8*b8_stride;
int xy4 = 3*x8+y8*b4_stride;
int a=0, b=0;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
if(!IS_INTRA(mb_types_col[y8])
&& ( (l1ref0[xy8] == 0 && FFABS(l1mv0[xy4][0]) <= 1 && FFABS(l1mv0[xy4][1]) <= 1)
|| (l1ref0[xy8] < 0 && l1ref1[xy8] == 0 && FFABS(l1mv1[xy4][0]) <= 1 && FFABS(l1mv1[xy4][1]) <= 1))){
if(ref[0] > 0)
a= pack16to32(mv[0][0],mv[0][1]);
if(ref[1] > 0)
b= pack16to32(mv[1][0],mv[1][1]);
}else{
a= pack16to32(mv[0][0],mv[0][1]);
b= pack16to32(mv[1][0],mv[1][1]);
}
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4);
}
}else if(IS_16X16(*mb_type)){
int a=0, b=0;
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
if(!IS_INTRA(mb_type_col)
&& ( (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
|| (l1ref0[0] < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
&& (h->x264_build>33 || !h->x264_build)))){
if(ref[0] > 0)
a= pack16to32(mv[0][0],mv[0][1]);
if(ref[1] > 0)
b= pack16to32(mv[1][0],mv[1][1]);
}else{
a= pack16to32(mv[0][0],mv[0][1]);
b= pack16to32(mv[1][0],mv[1][1]);
}
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
}else{
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0
|| (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
&& (h->x264_build>33 || !h->x264_build)))){
const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
if(IS_SUB_8X8(sub_mb_type)){
const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
if(ref[0] == 0)
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
if(ref[1] == 0)
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
}
}else
for(i4=0; i4<4; i4++){
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
if(ref[0] == 0)
*(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
if(ref[1] == 0)
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
}
}
}
}
}
}else{
const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
const int *dist_scale_factor = h->dist_scale_factor;
if(FRAME_MBAFF){
if(IS_INTERLACED(*mb_type)){
map_col_to_list0[0] = h->map_col_to_list0_field[0];
map_col_to_list0[1] = h->map_col_to_list0_field[1];
dist_scale_factor = h->dist_scale_factor_field;
}
if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
int mb_types_col[2];
int y_shift;
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
| (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
| (*mb_type & MB_TYPE_INTERLACED);
sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
if(IS_INTERLACED(*mb_type)){
mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
if(s->mb_y&1){
l1ref0 -= 2*h->b8_stride;
l1ref1 -= 2*h->b8_stride;
l1mv0 -= 4*h->b_stride;
l1mv1 -= 4*h->b_stride;
}
y_shift = 0;
if( (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
&& (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
&& !is_b8x8)
*mb_type |= MB_TYPE_16x8;
else
*mb_type |= MB_TYPE_8x8;
}else{
int dy = (s->mb_y&1) ? 1 : 2;
mb_types_col[0] =
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
l1ref0 += dy*h->b8_stride;
l1ref1 += dy*h->b8_stride;
l1mv0 += 2*dy*h->b_stride;
l1mv1 += 2*dy*h->b_stride;
y_shift = 2;
if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
&& !is_b8x8)
*mb_type |= MB_TYPE_16x16;
else
*mb_type |= MB_TYPE_8x8;
}
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
int ref0, scale;
const int16_t (*l1mv)[2]= l1mv0;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
if(IS_INTRA(mb_types_col[y8])){
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
continue;
}
ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0*2>>y_shift];
else{
ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
{
const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
int my_col = (mv_col[1]<<y_shift)/2;
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * my_col + 128) >> 8;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
}
}
return;
}
}
if(IS_16X16(*mb_type)){
int ref, mv0, mv1;
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
if(IS_INTRA(mb_type_col)){
ref=mv0=mv1=0;
}else{
const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
: map_col_to_list0[1][l1ref1[0]];
const int scale = dist_scale_factor[ref0];
const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
int mv_l0[2];
mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
ref= ref0;
mv0= pack16to32(mv_l0[0],mv_l0[1]);
mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
}
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
}else{
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
int ref0, scale;
const int16_t (*l1mv)[2]= l1mv0;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
if(IS_INTRA(mb_type_col)){
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
continue;
}
ref0 = l1ref0[x8 + y8*h->b8_stride];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0];
else{
ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
if(IS_SUB_8X8(sub_mb_type)){
const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * mv_col[1] + 128) >> 8;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
}else
for(i4=0; i4<4; i4++){
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
}
}
}
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L1019 |
d2a_code_data_42926 | int BN_num_bits_word(BN_ULONG l)
{
BN_ULONG x, mask;
int bits = (l != 0);
#if BN_BITS2 > 32
x = l >> 32;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 32 & mask;
l ^= (x ^ l) & mask;
#endif
x = l >> 16;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 16 & mask;
l ^= (x ^ l) & mask;
x = l >> 8;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 8 & mask;
l ^= (x ^ l) & mask;
x = l >> 4;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 4 & mask;
l ^= (x ^ l) & mask;
x = l >> 2;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 2 & mask;
l ^= (x ^ l) & mask;
x = l >> 1;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 1 & mask;
return bits;
} | https://github.com/openssl/openssl/blob/a9cf71a3716f8f624b711faa0d5ea391bb26d9f6/crypto/bn/bn_lib.c/#L96 |
d2a_code_data_42927 | void t2p_read_tiff_size(T2P* t2p, TIFF* input){
uint64* sbc=NULL;
#if defined(JPEG_SUPPORT) || defined (OJPEG_SUPPORT)
unsigned char* jpt=NULL;
tstrip_t i=0;
tstrip_t stripcount=0;
#endif
#ifdef OJPEG_SUPPORT
tsize_t k = 0;
#endif
if(t2p->pdf_transcode == T2P_TRANSCODE_RAW){
#ifdef CCITT_SUPPORT
if(t2p->pdf_compression == T2P_COMPRESS_G4 ){
TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);
t2p->tiff_datasize=(tmsize_t)sbc[0];
return;
}
#endif
#ifdef ZIP_SUPPORT
if(t2p->pdf_compression == T2P_COMPRESS_ZIP){
TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);
t2p->tiff_datasize=(tmsize_t)sbc[0];
return;
}
#endif
#ifdef OJPEG_SUPPORT
if(t2p->tiff_compression == COMPRESSION_OJPEG){
if(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
stripcount=TIFFNumberOfStrips(input);
for(i=0;i<stripcount;i++){
k += sbc[i];
}
if(TIFFGetField(input, TIFFTAG_JPEGIFOFFSET, &(t2p->tiff_dataoffset))){
if(t2p->tiff_dataoffset != 0){
if(TIFFGetField(input, TIFFTAG_JPEGIFBYTECOUNT, &(t2p->tiff_datasize))!=0){
if(t2p->tiff_datasize < k) {
t2p->pdf_ojpegiflength=t2p->tiff_datasize;
t2p->tiff_datasize+=k;
t2p->tiff_datasize+=6;
t2p->tiff_datasize+=2*stripcount;
TIFFWarning(TIFF2PDF_MODULE,
"Input file %s has short JPEG interchange file byte count",
TIFFFileName(input));
return;
}
return;
}else {
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_JPEGIFBYTECOUNT",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
}
}
t2p->tiff_datasize+=k;
t2p->tiff_datasize+=2*stripcount;
t2p->tiff_datasize+=2048;
return;
}
#endif
#ifdef JPEG_SUPPORT
if(t2p->tiff_compression == COMPRESSION_JPEG) {
uint32 count = 0;
if(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0 ){
if(count > 4){
t2p->tiff_datasize += count;
t2p->tiff_datasize -= 2;
}
} else {
t2p->tiff_datasize = 2;
}
stripcount=TIFFNumberOfStrips(input);
if(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
for(i=0;i<stripcount;i++){
t2p->tiff_datasize += sbc[i];
t2p->tiff_datasize -=4;
}
t2p->tiff_datasize +=2;
return;
}
#endif
(void) 0;
}
t2p->tiff_datasize=TIFFScanlineSize(input) * t2p->tiff_length;
if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){
t2p->tiff_datasize*= t2p->tiff_samplesperpixel;
}
return;
} | https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/tools/tiff2pdf.c/#L1795 |
d2a_code_data_42928 | void ff_MPV_frame_end(MpegEncContext *s)
{
#if FF_API_XVMC
FF_DISABLE_DEPRECATION_WARNINGS
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) {
ff_xvmc_field_end(s);
} else
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (s->er.error_count &&
!s->avctx->hwaccel &&
s->unrestricted_mv &&
s->current_picture.reference &&
!s->intra_only &&
!(s->flags & CODEC_FLAG_EMU_EDGE)) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
int hshift = desc->log2_chroma_w;
int vshift = desc->log2_chroma_h;
s->dsp.draw_edges(s->current_picture.f.data[0], s->linesize,
s->h_edge_pos, s->v_edge_pos,
EDGE_WIDTH, EDGE_WIDTH,
EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(s->current_picture.f.data[1], s->uvlinesize,
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(s->current_picture.f.data[2], s->uvlinesize,
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
EDGE_TOP | EDGE_BOTTOM);
}
emms_c();
if (s->current_picture.reference)
ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
} | https://github.com/libav/libav/blob/d7b3ee9a3a03ab88d61a5895fbdbc6689f4dd671/libavcodec/mpegvideo.c/#L1663 |
d2a_code_data_42929 | static ngx_int_t
ngx_http_gzip_accept_encoding(ngx_str_t *ae)
{
u_char *p, *start, *last;
start = ae->data;
last = start + ae->len;
for ( ;; ) {
p = ngx_strcasestrn(start, "gzip", 4 - 1);
if (p == NULL) {
return NGX_DECLINED;
}
if (p == start || (*(p - 1) == ',' || *(p - 1) == ' ')) {
break;
}
start = p + 4;
}
p += 4;
while (p < last) {
switch(*p++) {
case ',':
return NGX_OK;
case ';':
goto quantity;
case ' ':
continue;
default:
return NGX_DECLINED;
}
}
return NGX_OK;
quantity:
while (p < last) {
switch(*p++) {
case 'q':
case 'Q':
goto equal;
case ' ':
continue;
default:
return NGX_DECLINED;
}
}
return NGX_OK;
equal:
if (p + 2 > last || *p++ != '=') {
return NGX_DECLINED;
}
if (ngx_http_gzip_quantity(p, last) == 0) {
return NGX_DECLINED;
}
return NGX_OK;
} | https://github.com/nginx/nginx/blob/ddb7cd1c410a7166d8e28092d714f782ed1d69b3/src/http/ngx_http_core_module.c/#L2229 |
d2a_code_data_42930 | char *X509_NAME_oneline(const X509_NAME *a, char *buf, int len)
{
const X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_IA5STRING) {
if (num > (int)sizeof(ebcdic_buf))
num = sizeof(ebcdic_buf);
ascii2ebcdic(ebcdic_buf, q, num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/cdb2a60347f988037d29adc7e4415e9c66c8a5a5/crypto/x509/x509_obj.c/#L57 |
d2a_code_data_42931 | int is_partially_overlapping(const void *ptr1, const void *ptr2, int len)
{
PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
(diff > (0 - (PTRDIFF_T)len)));
assert(!overlapped);
return overlapped;
} | https://github.com/openssl/openssl/blob/7141ba31969d0b378d08104a51f8f99b9187b9d5/crypto/evp/evp_enc.c/#L288 |
d2a_code_data_42932 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | https://github.com/openssl/openssl/blob/440bce8f813fa661437ce52378c3df38e2fd073b/crypto/bn/bn_sqr.c/#L120 |
d2a_code_data_42933 | int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, size_t len,
size_t *written)
{
int i;
SSL3_BUFFER *wb = s->rlayer.wbuf;
size_t currbuf = 0;
size_t tmpwrit = 0;
if ((s->rlayer.wpend_tot > len)
|| ((s->rlayer.wpend_buf != buf) &&
!(s->mode & SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER))
|| (s->rlayer.wpend_type != type)) {
SSLerr(SSL_F_SSL3_WRITE_PENDING, SSL_R_BAD_WRITE_RETRY);
return -1;
}
for (;;) {
if (SSL3_BUFFER_get_left(&wb[currbuf]) == 0
&& currbuf < s->rlayer.numwpipes - 1) {
currbuf++;
continue;
}
clear_sys_error();
if (s->wbio != NULL) {
s->rwstate = SSL_WRITING;
i = BIO_write(s->wbio, (char *)
&(SSL3_BUFFER_get_buf(&wb[currbuf])
[SSL3_BUFFER_get_offset(&wb[currbuf])]),
(unsigned int)SSL3_BUFFER_get_left(&wb[currbuf]));
if (i >= 0)
tmpwrit = i;
} else {
SSLerr(SSL_F_SSL3_WRITE_PENDING, SSL_R_BIO_NOT_SET);
i = -1;
}
if (i > 0 && tmpwrit == SSL3_BUFFER_get_left(&wb[currbuf])) {
SSL3_BUFFER_set_left(&wb[currbuf], 0);
SSL3_BUFFER_add_offset(&wb[currbuf], tmpwrit);
if (currbuf + 1 < s->rlayer.numwpipes)
continue;
s->rwstate = SSL_NOTHING;
*written = s->rlayer.wpend_ret;
return 1;
} else if (i <= 0) {
if (SSL_IS_DTLS(s)) {
SSL3_BUFFER_set_left(&wb[currbuf], 0);
}
return -1;
}
SSL3_BUFFER_add_offset(&wb[currbuf], tmpwrit);
SSL3_BUFFER_sub_left(&wb[currbuf], tmpwrit);
}
} | https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/ssl/record/rec_layer_s3.c/#L924 |
d2a_code_data_42934 | int dsa_paramgen_check_g(DSA *dsa)
{
BN_CTX *ctx;
BIGNUM *tmp;
BN_MONT_CTX *mont = NULL;
int rv = -1;
ctx = BN_CTX_new();
if (ctx == NULL)
return -1;
BN_CTX_start(ctx);
if (BN_cmp(dsa->g, BN_value_one()) <= 0)
return 0;
if (BN_cmp(dsa->g, dsa->p) >= 0)
return 0;
tmp = BN_CTX_get(ctx);
if (!tmp)
goto err;
if ((mont = BN_MONT_CTX_new()) == NULL)
goto err;
if (!BN_MONT_CTX_set(mont, dsa->p, ctx))
goto err;
if (!BN_mod_exp_mont(tmp, dsa->g, dsa->q, dsa->p, ctx, mont))
goto err;
if (!BN_cmp(tmp, BN_value_one()))
rv = 1;
else
rv = 0;
err:
BN_CTX_end(ctx);
BN_MONT_CTX_free(mont);
BN_CTX_free(ctx);
return rv;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/dsa/dsa_gen.c/#L666 |
d2a_code_data_42935 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (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;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46 |
d2a_code_data_42936 | static int tls_curve_allowed(SSL *s, const unsigned char *curve, int op)
{
tls_curve_info *cinfo;
if (curve[0])
return 1;
if ((curve[1] < 1) || ((size_t)curve[1] >
sizeof(nid_list)/sizeof(nid_list[0])))
return 0;
cinfo = &nid_list[curve[1]-1];
return ssl_security(s, op, cinfo->secbits, cinfo->nid, (void *)curve);
} | https://github.com/openssl/openssl/blob/dbb7654dc189992966ecd95ca66f7a3bb011ab9b/ssl/t1_lib.c/#L437 |
d2a_code_data_42937 | static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
{
AVCodecInternal *avci = avctx->internal;
InternalBuffer *buf;
int buf_size, ret, i, needs_extended_data;
buf_size = av_samples_get_buffer_size(NULL, avctx->channels,
frame->nb_samples, avctx->sample_fmt,
32);
if (buf_size < 0)
return AVERROR(EINVAL);
needs_extended_data = av_sample_fmt_is_planar(avctx->sample_fmt) &&
avctx->channels > AV_NUM_DATA_POINTERS;
if (!avci->buffer) {
avci->buffer = av_mallocz(sizeof(InternalBuffer));
if (!avci->buffer)
return AVERROR(ENOMEM);
}
buf = avci->buffer;
if (buf->extended_data) {
if (buf->extended_data[0] && buf_size > buf->audio_data_size) {
av_free(buf->extended_data[0]);
if (buf->extended_data != buf->data)
av_free(&buf->extended_data);
buf->extended_data = NULL;
buf->data[0] = NULL;
}
if (buf->nb_channels != avctx->channels) {
if (buf->extended_data != buf->data)
av_free(buf->extended_data);
buf->extended_data = NULL;
}
}
if (!buf->extended_data) {
if (needs_extended_data) {
buf->extended_data = av_mallocz(avctx->channels *
sizeof(*buf->extended_data));
if (!buf->extended_data)
return AVERROR(ENOMEM);
} else {
buf->extended_data = buf->data;
}
if (buf->extended_data[0]) {
ret = av_samples_fill_arrays(buf->extended_data, &buf->linesize[0],
buf->extended_data[0], avctx->channels,
frame->nb_samples, avctx->sample_fmt,
32);
} else {
ret = av_samples_alloc(buf->extended_data, &buf->linesize[0],
avctx->channels, frame->nb_samples,
avctx->sample_fmt, 32);
}
if (ret)
return ret;
if (needs_extended_data) {
for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
buf->data[i] = buf->extended_data[i];
}
buf->audio_data_size = buf_size;
buf->nb_channels = avctx->channels;
}
frame->type = FF_BUFFER_TYPE_INTERNAL;
frame->extended_data = buf->extended_data;
frame->linesize[0] = buf->linesize[0];
memcpy(frame->data, buf->data, sizeof(frame->data));
if (avctx->pkt) frame->pkt_pts = avctx->pkt->pts;
else frame->pkt_pts = AV_NOPTS_VALUE;
frame->reordered_opaque = avctx->reordered_opaque;
if (avctx->debug & FF_DEBUG_BUFFERS)
av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p, "
"internal audio buffer used\n", frame);
return 0;
} | https://github.com/libav/libav/blob/9f3c77dd2a4fa4accf102c2af1f22567652b8e0f/libavcodec/utils.c/#L272 |
d2a_code_data_42938 | static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr,
int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale, int flags, int size, int h)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d;
int dmin;
int map_generation;
int penalty_factor;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
LOAD_COMMON2
if(c->pre_pass){
penalty_factor= c->pre_penalty_factor;
cmpf= s->dsp.me_pre_cmp[size];
chroma_cmpf= s->dsp.me_pre_cmp[size+1];
}else{
penalty_factor= c->penalty_factor;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
}
map_generation= update_map_generation(c);
assert(cmpf);
dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
map[0]= map_generation;
score_map[0]= dmin;
if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0)
dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}else{
if(dmin<((h*h*s->avctx->mv0_threshold)>>8)
&& ( P_LEFT[0] |P_LEFT[1]
|P_TOP[0] |P_TOP[1]
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
*mx_ptr= 0;
*my_ptr= 0;
c->skip=1;
return dmin;
}
CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)
CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
}
if(dmin>h*h*4){
if(c->pre_pass){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)
if(!s->first_slice_line)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}else{
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
}
if(c->avctx->last_predictor_count){
const int count= c->avctx->last_predictor_count;
const int xstart= FFMAX(0, s->mb_x - count);
const int ystart= FFMAX(0, s->mb_y - count);
const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
int mb_y;
for(mb_y=ystart; mb_y<yend; mb_y++){
int mb_x;
for(mb_x=xstart; mb_x<xend; mb_x++){
const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
CHECK_MV(mx,my)
}
}
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1057 |
d2a_code_data_42939 | void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len)
{
CRYPTO_gcm128_finish(ctx, NULL, 0);
memcpy(tag, ctx->Xi.c,
len <= sizeof(ctx->Xi.c) ? len : sizeof(ctx->Xi.c));
} | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/modes/gcm128.c/#L1705 |
d2a_code_data_42940 | ssize_t
ngx_parse_size(ngx_str_t *line)
{
u_char unit;
size_t len;
ssize_t size;
ngx_int_t scale;
len = line->len;
unit = line->data[len - 1];
switch (unit) {
case 'K':
case 'k':
len--;
scale = 1024;
break;
case 'M':
case 'm':
len--;
scale = 1024 * 1024;
break;
default:
scale = 1;
}
size = ngx_atosz(line->data, len);
if (size == NGX_ERROR) {
return NGX_ERROR;
}
size *= scale;
return size;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_parse.c/#L20 |
d2a_code_data_42941 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_42942 | static void
cpStripToTile(uint8* out, uint8* in,
uint32 rows, uint32 cols, int outskew, int inskew)
{
while (rows-- > 0) {
uint32 j = cols;
while (j-- > 0)
*out++ = *in++;
out += outskew;
in += inskew;
}
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/tools/tiffcp.c/#L1073 |
d2a_code_data_42943 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_42944 | BIGNUM *SRP_Calc_client_key(BIGNUM *N, BIGNUM *B, BIGNUM *g, BIGNUM *x,
BIGNUM *a, BIGNUM *u)
{
BIGNUM *tmp = NULL, *tmp2 = NULL, *tmp3 = NULL, *k = NULL, *K = NULL;
BN_CTX *bn_ctx;
if (u == NULL || B == NULL || N == NULL || g == NULL || x == NULL
|| a == NULL || (bn_ctx = BN_CTX_new()) == NULL)
return NULL;
if ((tmp = BN_new()) == NULL ||
(tmp2 = BN_new()) == NULL ||
(tmp3 = BN_new()) == NULL ||
(K = BN_new()) == NULL)
goto err;
if (!BN_mod_exp(tmp, g, x, N, bn_ctx))
goto err;
if ((k = srp_Calc_k(N, g)) == NULL)
goto err;
if (!BN_mod_mul(tmp2, tmp, k, N, bn_ctx))
goto err;
if (!BN_mod_sub(tmp, B, tmp2, N, bn_ctx))
goto err;
if (!BN_mod_mul(tmp3, u, x, N, bn_ctx))
goto err;
if (!BN_mod_add(tmp2, a, tmp3, N, bn_ctx))
goto err;
if (!BN_mod_exp(K, tmp, tmp2, N, bn_ctx))
goto err;
err:
BN_CTX_free(bn_ctx);
BN_clear_free(tmp);
BN_clear_free(tmp2);
BN_clear_free(tmp3);
BN_free(k);
return K;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/srp/srp_lib.c/#L290 |
d2a_code_data_42945 | 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
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/mem.c/#L245 |
d2a_code_data_42946 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/e113c9c59dcb419dd00525cec431edb854a6c897/crypto/bn/bn_ctx.c/#L328 |
d2a_code_data_42947 | static int
rotateImage(uint16 rotation, struct image_data *image, uint32 *img_width,
uint32 *img_length, unsigned char **ibuff_ptr)
{
int shift_width;
uint32 bytes_per_pixel, bytes_per_sample;
uint32 row, rowsize, src_offset, dst_offset;
uint32 i, col, width, length;
uint32 colsize, buffsize, col_offset, pix_offset;
unsigned char *ibuff;
unsigned char *src;
unsigned char *dst;
uint16 spp, bps;
float res_temp;
unsigned char *rbuff = NULL;
width = *img_width;
length = *img_length;
spp = image->spp;
bps = image->bps;
rowsize = ((bps * spp * width) + 7) / 8;
colsize = ((bps * spp * length) + 7) / 8;
if ((colsize * width) > (rowsize * length))
buffsize = (colsize + 1) * width;
else
buffsize = (rowsize + 1) * length;
bytes_per_sample = (bps + 7) / 8;
bytes_per_pixel = ((bps * spp) + 7) / 8;
if (bytes_per_pixel < (bytes_per_sample + 1))
shift_width = bytes_per_pixel;
else
shift_width = bytes_per_sample + 1;
switch (rotation)
{
case 0:
case 360: return (0);
case 90:
case 180:
case 270: break;
default: TIFFError("rotateImage", "Invalid rotation angle %d", rotation);
return (-1);
}
if (!(rbuff = (unsigned char *)_TIFFmalloc(buffsize)))
{
TIFFError("rotateImage", "Unable to allocate rotation buffer of %1u bytes", buffsize);
return (-1);
}
_TIFFmemset(rbuff, '\0', buffsize);
ibuff = *ibuff_ptr;
switch (rotation)
{
case 180: if ((bps % 8) == 0)
{
src = ibuff;
pix_offset = (spp * bps) / 8;
for (row = 0; row < length; row++)
{
dst_offset = (length - row - 1) * rowsize;
for (col = 0; col < width; col++)
{
col_offset = (width - col - 1) * pix_offset;
dst = rbuff + dst_offset + col_offset;
for (i = 0; i < bytes_per_pixel; i++)
*dst++ = *src++;
}
}
}
else
{
for (row = 0; row < length; row++)
{
src_offset = row * rowsize;
dst_offset = (length - row - 1) * rowsize;
src = ibuff + src_offset;
dst = rbuff + dst_offset;
switch (shift_width)
{
case 1: if (bps == 1)
{
if (reverseSamples8bits(spp, bps, width, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
}
if (reverseSamples16bits(spp, bps, width, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
case 2: if (reverseSamples24bits(spp, bps, width, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
case 3:
case 4:
case 5: if (reverseSamples32bits(spp, bps, width, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
default: TIFFError("rotateImage","Unsupported bit depth %d", bps);
_TIFFfree(rbuff);
return (-1);
}
}
}
_TIFFfree(ibuff);
*(ibuff_ptr) = rbuff;
break;
case 90: if ((bps % 8) == 0)
{
for (col = 0; col < width; col++)
{
src_offset = ((length - 1) * rowsize) + (col * bytes_per_pixel);
dst_offset = col * colsize;
src = ibuff + src_offset;
dst = rbuff + dst_offset;
for (row = length; row > 0; row--)
{
for (i = 0; i < bytes_per_pixel; i++)
*dst++ = *(src + i);
src -= rowsize;
}
}
}
else
{
for (col = 0; col < width; col++)
{
src_offset = (length - 1) * rowsize;
dst_offset = col * colsize;
src = ibuff + src_offset;
dst = rbuff + dst_offset;
switch (shift_width)
{
case 1: if (bps == 1)
{
if (rotateContigSamples8bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
}
if (rotateContigSamples16bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
case 2: if (rotateContigSamples24bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
case 3:
case 4:
case 5: if (rotateContigSamples32bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
default: TIFFError("rotateImage","Unsupported bit depth %d", bps);
_TIFFfree(rbuff);
return (-1);
}
}
}
_TIFFfree(ibuff);
*(ibuff_ptr) = rbuff;
*img_width = length;
*img_length = width;
image->width = length;
image->length = width;
res_temp = image->xres;
image->xres = image->yres;
image->yres = res_temp;
break;
case 270: if ((bps % 8) == 0)
{
for (col = 0; col < width; col++)
{
src_offset = col * bytes_per_pixel;
dst_offset = (width - col - 1) * colsize;
src = ibuff + src_offset;
dst = rbuff + dst_offset;
for (row = length; row > 0; row--)
{
for (i = 0; i < bytes_per_pixel; i++)
*dst++ = *(src + i);
src += rowsize;
}
}
}
else
{
for (col = 0; col < width; col++)
{
src_offset = 0;
dst_offset = (width - col - 1) * colsize;
src = ibuff + src_offset;
dst = rbuff + dst_offset;
switch (shift_width)
{
case 1: if (bps == 1)
{
if (rotateContigSamples8bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
}
if (rotateContigSamples16bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
case 2: if (rotateContigSamples24bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
case 3:
case 4:
case 5: if (rotateContigSamples32bits(rotation, spp, bps, width,
length, col, src, dst))
{
_TIFFfree(rbuff);
return (-1);
}
break;
default: TIFFError("rotateImage","Unsupported bit depth %d", bps);
_TIFFfree(rbuff);
return (-1);
}
}
}
_TIFFfree(ibuff);
*(ibuff_ptr) = rbuff;
*img_width = length;
*img_length = width;
image->width = length;
image->length = width;
res_temp = image->xres;
image->xres = image->yres;
image->yres = res_temp;
break;
default:
break;
}
return (0);
} | https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/tools/tiffcrop.c/#L8403 |
d2a_code_data_42948 | 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();
BIGNUM *p, *g;
if (dhp == NULL)
return NULL;
g = BN_new();
if (g != NULL)
BN_set_word(g, 2);
if (dh_secbits >= 192)
p = BN_get_rfc3526_prime_8192(NULL);
else
p = BN_get_rfc3526_prime_3072(NULL);
if (p == NULL || g == NULL || !DH_set0_pqg(dhp, p, NULL, g)) {
DH_free(dhp);
BN_free(p);
BN_free(g);
return NULL;
}
return dhp;
}
if (dh_secbits >= 112)
return DH_get_2048_224();
return DH_get_1024_160();
} | https://github.com/openssl/openssl/blob/f7a39a5a3f7f91e0d1ba0030323eef26bc8ccddf/ssl/t1_lib.c/#L4296 |
d2a_code_data_42949 | static BN_ULONG bn_get_bits(const BIGNUM *a, int bitpos)
{
BN_ULONG ret = 0;
int wordpos;
wordpos = bitpos / BN_BITS2;
bitpos %= BN_BITS2;
if (wordpos >= 0 && wordpos < a->top) {
ret = a->d[wordpos] & BN_MASK2;
if (bitpos) {
ret >>= bitpos;
if (++wordpos < a->top)
ret |= a->d[wordpos] << (BN_BITS2 - bitpos);
}
}
return ret & BN_MASK2;
} | https://github.com/openssl/openssl/blob/8f58ede09572dcc6a7e6c01280dd348240199568/crypto/bn/bn_exp.c/#L484 |
d2a_code_data_42950 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_42951 | 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);
} | https://github.com/openssl/openssl/blob/25ffeb11ea86bdc76db150c504550602a9acc9bc/crypto/lhash/lhash.c/#L126 |
d2a_code_data_42952 | static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){
int length= FFMAX(a->length, b->length);
double *coeff= av_malloc(length*sizeof(double));
int i;
SwsVector *vec= av_malloc(sizeof(SwsVector));
vec->coeff= coeff;
vec->length= length;
for (i=0; i<length; i++) coeff[i]= 0.0;
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i];
return vec;
} | https://github.com/libav/libav/blob/184bc53db4fded8857af09cee2adc7197940deb7/libswscale/swscale.c/#L2994 |
d2a_code_data_42953 | static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,
LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)
{
int i;
LHASH_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;
}
}
} | https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/lhash/lhash.c/#L281 |
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