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d2a_code_data_44354
void avformat_free_context(AVFormatContext *s) { int i; AVStream *st; av_opt_free(s); if (s->iformat && s->iformat->priv_class && s->priv_data) av_opt_free(s->priv_data); for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; if (st->parser) { av_parser_close(st->parser); } if (st->attached_pic.data) av_free_packet(&st->attached_pic); av_dict_free(&st->metadata); av_free(st->index_entries); av_free(st->codec->extradata); av_free(st->codec->subtitle_header); av_free(st->codec); av_free(st->priv_data); av_free(st->info); av_free(st); } for(i=s->nb_programs-1; i>=0; i--) { av_dict_free(&s->programs[i]->metadata); av_freep(&s->programs[i]->stream_index); av_freep(&s->programs[i]); } av_freep(&s->programs); av_freep(&s->priv_data); while(s->nb_chapters--) { av_dict_free(&s->chapters[s->nb_chapters]->metadata); av_free(s->chapters[s->nb_chapters]); } av_freep(&s->chapters); av_dict_free(&s->metadata); av_freep(&s->streams); av_free(s); }
https://github.com/libav/libav/blob/a7329e5fc22433dfeaf7af22fb40fe3cada21385/libavformat/utils.c/#L2649
d2a_code_data_44355
STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK_OF(SSL_CIPHER) *tls13_ciphersuites, STACK_OF(SSL_CIPHER) **cipher_list, STACK_OF(SSL_CIPHER) **cipher_list_by_id, const char *rule_str, CERT *c) { int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases, i; uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac; STACK_OF(SSL_CIPHER) *cipherstack; const char *rule_p; CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr; const SSL_CIPHER **ca_list = NULL; if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL) return NULL; #ifndef OPENSSL_NO_EC if (!check_suiteb_cipher_list(ssl_method, c, &rule_str)) return NULL; #endif disabled_mkey = disabled_mkey_mask; disabled_auth = disabled_auth_mask; disabled_enc = disabled_enc_mask; disabled_mac = disabled_mac_mask; num_of_ciphers = ssl_method->num_ciphers(); co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers); if (co_list == NULL) { SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); return NULL; } ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, disabled_mkey, disabled_auth, disabled_enc, disabled_mac, co_list, &head, &tail); ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); if (!ssl_cipher_strength_sort(&head, &tail)) { OPENSSL_free(co_list); return NULL; } ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail); num_of_group_aliases = OSSL_NELEM(cipher_aliases); num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1; ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max); if (ca_list == NULL) { OPENSSL_free(co_list); SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); return NULL; } ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, disabled_mkey, disabled_auth, disabled_enc, disabled_mac, head); ok = 1; rule_p = rule_str; if (strncmp(rule_str, "DEFAULT", 7) == 0) { ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST, &head, &tail, ca_list, c); rule_p += 7; if (*rule_p == ':') rule_p++; } if (ok && (strlen(rule_p) > 0)) ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c); OPENSSL_free(ca_list); if (!ok) { OPENSSL_free(co_list); return NULL; } if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) { OPENSSL_free(co_list); return NULL; } for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) { if (!sk_SSL_CIPHER_push(cipherstack, sk_SSL_CIPHER_value(tls13_ciphersuites, i))) { sk_SSL_CIPHER_free(cipherstack); return NULL; } } for (curr = head; curr != NULL; curr = curr->next) { if (curr->active) { if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) { OPENSSL_free(co_list); sk_SSL_CIPHER_free(cipherstack); return NULL; } #ifdef CIPHER_DEBUG fprintf(stderr, "<%s>\n", curr->cipher->name); #endif } } OPENSSL_free(co_list); if (!update_cipher_list_by_id(cipher_list_by_id, cipherstack)) { sk_SSL_CIPHER_free(cipherstack); return NULL; } sk_SSL_CIPHER_free(*cipher_list); *cipher_list = cipherstack; return cipherstack; }
https://github.com/openssl/openssl/blob/4845aeba4c49e1bd65259a5014d7e3ab38657d42/ssl/ssl_ciph.c/#L1577
d2a_code_data_44356
static int kek_unwrap_key(unsigned char *out, size_t *outlen, const unsigned char *in, size_t inlen, EVP_CIPHER_CTX *ctx) { size_t blocklen = EVP_CIPHER_CTX_block_size(ctx); unsigned char *tmp; int outl, rv = 0; if (inlen < 2 * blocklen) { return 0; } if (inlen % blocklen) { return 0; } tmp = OPENSSL_malloc(inlen); if (tmp == NULL) return 0; if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl, in + inlen - 2 * blocklen, blocklen * 2) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp + inlen - blocklen, blocklen) || !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen) || !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen)) goto err; if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) { goto err; } if (inlen < (size_t)(tmp[0] - 4)) { goto err; } *outlen = (size_t)tmp[0]; memcpy(out, tmp + 4, *outlen); rv = 1; err: OPENSSL_clear_free(tmp, inlen); return rv; }
https://github.com/openssl/openssl/blob/846ec07d904f9cc81d486db0db14fb84f61ff6e5/crypto/cms/cms_pwri.c/#L258
d2a_code_data_44357
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/b8c32081e02b7008a90d878eccce46da256dfe86/crypto/bn/bn_shift.c/#L112
d2a_code_data_44358
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ int length= a->length + FFABS(shift)*2; 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 - shift]= a->coeff[i]; } return vec; }
https://github.com/libav/libav/blob/184bc53db4fded8857af09cee2adc7197940deb7/libswscale/swscale.c/#L3012
d2a_code_data_44359
TXT_DB *TXT_DB_read(BIO *in, int num) { TXT_DB *ret = NULL; int esc = 0; long ln = 0; int i, add, n; int size = BUFSIZE; int offset = 0; char *p, *f; OPENSSL_STRING *pp; BUF_MEM *buf = NULL; if ((buf = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(buf, size)) goto err; if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL) goto err; ret->num_fields = num; ret->index = NULL; ret->qual = NULL; if ((ret->data = sk_OPENSSL_PSTRING_new_null()) == NULL) goto err; if ((ret->index = OPENSSL_malloc(sizeof(*ret->index) * num)) == NULL) goto err; if ((ret->qual = OPENSSL_malloc(sizeof(*(ret->qual)) * num)) == NULL) goto err; for (i = 0; i < num; i++) { ret->index[i] = NULL; ret->qual[i] = NULL; } add = (num + 1) * sizeof(char *); buf->data[size - 1] = '\0'; offset = 0; for (;;) { if (offset != 0) { size += BUFSIZE; if (!BUF_MEM_grow_clean(buf, size)) goto err; } buf->data[offset] = '\0'; BIO_gets(in, &(buf->data[offset]), size - offset); ln++; if (buf->data[offset] == '\0') break; if ((offset == 0) && (buf->data[0] == '#')) continue; i = strlen(&(buf->data[offset])); offset += i; if (buf->data[offset - 1] != '\n') continue; else { buf->data[offset - 1] = '\0'; if ((p = OPENSSL_malloc(add + offset)) == NULL) goto err; offset = 0; } pp = (char **)p; p += add; n = 0; pp[n++] = p; i = 0; f = buf->data; esc = 0; for (;;) { if (*f == '\0') break; if (*f == '\t') { if (esc) p--; else { *(p++) = '\0'; f++; if (n >= num) break; pp[n++] = p; continue; } } esc = (*f == '\\'); *(p++) = *(f++); } *(p++) = '\0'; if ((n != num) || (*f != '\0')) { OPENSSL_free(pp); ret->error = DB_ERROR_WRONG_NUM_FIELDS; goto err; } pp[n] = p; if (!sk_OPENSSL_PSTRING_push(ret->data, pp)) { OPENSSL_free(pp); goto err; } } BUF_MEM_free(buf); return ret; err: BUF_MEM_free(buf); if (ret != NULL) { sk_OPENSSL_PSTRING_free(ret->data); OPENSSL_free(ret->index); OPENSSL_free(ret->qual); OPENSSL_free(ret); } return NULL; }
https://github.com/openssl/openssl/blob/a8ca496ddb532d7f7dc356fd2b026697388d2384/crypto/txt_db/txt_db.c/#L111
d2a_code_data_44360
static int seq_parse_frame_data(SeqDemuxContext *seq, ByteIOContext *pb) { unsigned int offset_table[4], buffer_num[4]; TiertexSeqFrameBuffer *seq_buffer; int i, e, err; seq->current_frame_offs += SEQ_FRAME_SIZE; url_fseek(pb, seq->current_frame_offs, SEEK_SET); seq->current_audio_data_offs = get_le16(pb); if (seq->current_audio_data_offs != 0) { seq->current_audio_data_size = SEQ_AUDIO_BUFFER_SIZE * 2; } else { seq->current_audio_data_size = 0; } seq->current_pal_data_offs = get_le16(pb); if (seq->current_pal_data_offs != 0) { seq->current_pal_data_size = 768; } else { seq->current_pal_data_size = 0; } for (i = 0; i < 4; i++) buffer_num[i] = get_byte(pb); for (i = 0; i < 4; i++) offset_table[i] = get_le16(pb); for (i = 0; i < 3; i++) { if (offset_table[i] != 0) { for (e = i + 1; e < 4 && offset_table[e] == 0; e++); err = seq_fill_buffer(seq, pb, buffer_num[1 + i], offset_table[i], offset_table[e] - offset_table[i]); if (err != 0) return err; } } if (buffer_num[0] != 255) { if (buffer_num[0] >= SEQ_NUM_FRAME_BUFFERS) return AVERROR_INVALIDDATA; seq_buffer = &seq->frame_buffers[buffer_num[0]]; seq->current_video_data_size = seq_buffer->fill_size; seq->current_video_data_ptr = seq_buffer->data; seq_buffer->fill_size = 0; } else { seq->current_video_data_size = 0; seq->current_video_data_ptr = 0; } return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/tiertexseq.c/#L157
d2a_code_data_44361
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/6438632420cee9821409221ef6717edc5ee408c1/crypto/lhash/lhash.c/#L123
d2a_code_data_44362
static void opt_output_file(const char *filename) { AVFormatContext *oc; int err, use_video, use_audio, use_subtitle, use_data; int input_has_video, input_has_audio, input_has_subtitle, input_has_data; AVFormatParameters params, *ap = &params; 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; use_data = data_stream_copy || data_codec_name; if (nb_input_files > 0) { check_inputs(&input_has_video, &input_has_audio, &input_has_subtitle, &input_has_data); if (!input_has_video) use_video = 0; if (!input_has_audio) use_audio = 0; if (!input_has_subtitle) use_subtitle = 0; if (!input_has_data) use_data = 0; } if (audio_disable) use_audio = 0; if (video_disable) use_video = 0; if (subtitle_disable) use_subtitle = 0; if (data_disable) use_data = 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); if (use_data) new_data_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(EINVAL)); ffmpeg_exit(1); } } if (!(oc->oformat->flags & AVFMT_NOFILE)) { if (!file_overwrite && (strchr(filename, ':') == NULL || filename[1] == ':' || av_strstart(filename, "file:", NULL))) { if (avio_check(filename, 0) == 0) { 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 = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 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); uninit_opts(); init_opts(); }
https://github.com/libav/libav/blob/d0005d347d0831c904630fe70408c9fd4eec18e8/ffmpeg.c/#L3741
d2a_code_data_44363
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/#L891
d2a_code_data_44364
static void vp5_parse_coeff(VP56Context *s) { VP56RangeCoder *c = &s->c; VP56Model *model = s->modelp; uint8_t *permute = s->scantable.permutated; uint8_t *model1, *model2; int coeff, sign, coeff_idx; int b, i, cg, idx, ctx, ctx_last; int pt = 0; for (b=0; b<6; b++) { int ct = 1; if (b > 3) pt = 1; ctx = 6*s->coeff_ctx[vp56_b6to4[b]][0] + s->above_blocks[s->above_block_idx[b]].not_null_dc; model1 = model->coeff_dccv[pt]; model2 = model->coeff_dcct[pt][ctx]; coeff_idx = 0; for (;;) { if (vp56_rac_get_prob(c, model2[0])) { if (vp56_rac_get_prob(c, model2[2])) { if (vp56_rac_get_prob(c, model2[3])) { s->coeff_ctx[vp56_b6to4[b]][coeff_idx] = 4; idx = vp56_rac_get_tree(c, vp56_pc_tree, model1); sign = vp56_rac_get(c); coeff = vp56_coeff_bias[idx+5]; for (i=vp56_coeff_bit_length[idx]; i>=0; i--) coeff += vp56_rac_get_prob(c, vp56_coeff_parse_table[idx][i]) << i; } else { if (vp56_rac_get_prob(c, model2[4])) { coeff = 3 + vp56_rac_get_prob(c, model1[5]); s->coeff_ctx[vp56_b6to4[b]][coeff_idx] = 3; } else { coeff = 2; s->coeff_ctx[vp56_b6to4[b]][coeff_idx] = 2; } sign = vp56_rac_get(c); } ct = 2; } else { ct = 1; s->coeff_ctx[vp56_b6to4[b]][coeff_idx] = 1; sign = vp56_rac_get(c); coeff = 1; } coeff = (coeff ^ -sign) + sign; if (coeff_idx) coeff *= s->dequant_ac; s->block_coeff[b][permute[coeff_idx]] = coeff; } else { if (ct && !vp56_rac_get_prob(c, model2[1])) break; ct = 0; s->coeff_ctx[vp56_b6to4[b]][coeff_idx] = 0; } coeff_idx++; if (coeff_idx >= 64) break; cg = vp5_coeff_groups[coeff_idx]; ctx = s->coeff_ctx[vp56_b6to4[b]][coeff_idx]; model1 = model->coeff_ract[pt][ct][cg]; model2 = cg > 2 ? model1 : model->coeff_acct[pt][ct][cg][ctx]; } ctx_last = FFMIN(s->coeff_ctx_last[vp56_b6to4[b]], 24); s->coeff_ctx_last[vp56_b6to4[b]] = coeff_idx; if (coeff_idx < ctx_last) for (i=coeff_idx; i<=ctx_last; i++) s->coeff_ctx[vp56_b6to4[b]][i] = 5; s->above_blocks[s->above_block_idx[b]].not_null_dc = s->coeff_ctx[vp56_b6to4[b]][0]; } }
https://github.com/libav/libav/blob/dbc2424baa5aa4c72026d167f0678f2374620f44/libavcodec/vp5.c/#L240
d2a_code_data_44365
static int cms_SignerInfo_content_sign(CMS_ContentInfo *cms, CMS_SignerInfo *si, BIO *chain) { EVP_MD_CTX *mctx = EVP_MD_CTX_new(); int r = 0; EVP_PKEY_CTX *pctx = NULL; if (mctx == NULL) { CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE); return 0; } if (!si->pkey) { CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_NO_PRIVATE_KEY); goto err; } if (!cms_DigestAlgorithm_find_ctx(mctx, chain, si->digestAlgorithm)) goto err; if (si->pctx && !cms_sd_asn1_ctrl(si, 0)) goto err; if (CMS_signed_get_attr_count(si) >= 0) { ASN1_OBJECT *ctype = cms->d.signedData->encapContentInfo->eContentType; unsigned char md[EVP_MAX_MD_SIZE]; unsigned int mdlen; if (!EVP_DigestFinal_ex(mctx, md, &mdlen)) goto err; if (!CMS_signed_add1_attr_by_NID(si, NID_pkcs9_messageDigest, V_ASN1_OCTET_STRING, md, mdlen)) goto err; if (CMS_signed_add1_attr_by_NID(si, NID_pkcs9_contentType, V_ASN1_OBJECT, ctype, -1) <= 0) goto err; if (!CMS_SignerInfo_sign(si)) goto err; } else if (si->pctx) { unsigned char *sig; size_t siglen; unsigned char md[EVP_MAX_MD_SIZE]; unsigned int mdlen; pctx = si->pctx; if (!EVP_DigestFinal_ex(mctx, md, &mdlen)) goto err; siglen = EVP_PKEY_size(si->pkey); sig = OPENSSL_malloc(siglen); if (sig == NULL) { CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE); goto err; } if (EVP_PKEY_sign(pctx, sig, &siglen, md, mdlen) <= 0) { OPENSSL_free(sig); goto err; } ASN1_STRING_set0(si->signature, sig, siglen); } else { unsigned char *sig; unsigned int siglen; sig = OPENSSL_malloc(EVP_PKEY_size(si->pkey)); if (sig == NULL) { CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, ERR_R_MALLOC_FAILURE); goto err; } if (!EVP_SignFinal(mctx, sig, &siglen, si->pkey)) { CMSerr(CMS_F_CMS_SIGNERINFO_CONTENT_SIGN, CMS_R_SIGNFINAL_ERROR); OPENSSL_free(sig); goto err; } ASN1_STRING_set0(si->signature, sig, siglen); } r = 1; err: EVP_MD_CTX_free(mctx); EVP_PKEY_CTX_free(pctx); return r; }
https://github.com/openssl/openssl/blob/b842fcbb37cf3cded72dd7706abd8d54a10cd508/crypto/cms/cms_sd.c/#L614
d2a_code_data_44366
static int cert_status_cb(SSL *s, void *arg) { tlsextstatusctx *srctx = arg; BIO *err = srctx->err; char *host, *port, *path; int use_ssl; unsigned char *rspder = NULL; int rspderlen; STACK_OF(OPENSSL_STRING) *aia = NULL; X509 *x = NULL; X509_STORE_CTX inctx; X509_OBJECT obj; OCSP_REQUEST *req = NULL; OCSP_RESPONSE *resp = NULL; OCSP_CERTID *id = NULL; STACK_OF(X509_EXTENSION) *exts; int ret = SSL_TLSEXT_ERR_NOACK; int i; #if 0 STACK_OF(OCSP_RESPID) *ids; SSL_get_tlsext_status_ids(s, &ids); BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); #endif if (srctx->verbose) BIO_puts(err, "cert_status: callback called\n"); x = SSL_get_certificate(s); aia = X509_get1_ocsp(x); if (aia) { if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &host, &port, &path, &use_ssl)) { BIO_puts(err, "cert_status: can't parse AIA URL\n"); goto err; } if (srctx->verbose) BIO_printf(err, "cert_status: AIA URL: %s\n", sk_OPENSSL_STRING_value(aia, 0)); } else { if (!srctx->host) { BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); goto done; } host = srctx->host; path = srctx->path; port = srctx->port; use_ssl = srctx->use_ssl; } if (!X509_STORE_CTX_init(&inctx, SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), NULL, NULL)) goto err; if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, X509_get_issuer_name(x),&obj) <= 0) { BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); X509_STORE_CTX_cleanup(&inctx); goto done; } req = OCSP_REQUEST_new(); if (!req) goto err; id = OCSP_cert_to_id(NULL, x, obj.data.x509); X509_free(obj.data.x509); X509_STORE_CTX_cleanup(&inctx); if (!id) goto err; if (!OCSP_request_add0_id(req, id)) goto err; id = NULL; SSL_get_tlsext_status_exts(s, &exts); for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); if (!OCSP_REQUEST_add_ext(req, ext, -1)) goto err; } resp = process_responder(err, req, host, path, port, use_ssl, NULL, srctx->timeout); if (!resp) { BIO_puts(err, "cert_status: error querying responder\n"); goto done; } rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); if (rspderlen <= 0) goto err; SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); if (srctx->verbose) { BIO_puts(err, "cert_status: ocsp response sent:\n"); OCSP_RESPONSE_print(err, resp, 2); } ret = SSL_TLSEXT_ERR_OK; done: if (ret != SSL_TLSEXT_ERR_OK) ERR_print_errors(err); if (aia) { OPENSSL_free(host); OPENSSL_free(path); OPENSSL_free(port); X509_email_free(aia); } if (id) OCSP_CERTID_free(id); if (req) OCSP_REQUEST_free(req); if (resp) OCSP_RESPONSE_free(resp); return ret; err: ret = SSL_TLSEXT_ERR_ALERT_FATAL; goto done; }
https://github.com/openssl/openssl/blob/ec4a50b3c3f2f50caccfd52e939857a5d6f02fd1/apps/s_server.c/#L822
d2a_code_data_44367
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/#L1168
d2a_code_data_44368
static int var_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; int dia_size; 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(dia_size=1; dia_size<=c->dia_size; dia_size++){ int dir, start, end; const int x= best[0]; const int y= best[1]; start= FFMAX(0, y + dia_size - ymax); end = FFMIN(dia_size, xmax - x + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x + dir , y + dia_size - dir); } start= FFMAX(0, x + dia_size - xmax); end = FFMIN(dia_size, y - ymin + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x + dia_size - dir, y - dir ); } start= FFMAX(0, -y + dia_size + ymin ); end = FFMIN(dia_size, x - xmin + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x - dir , y - dia_size + dir); } start= FFMAX(0, -x + dia_size + xmin ); end = FFMIN(dia_size, ymax - y + 1); for(dir= start; dir<end; dir++){ int d; CHECK_MV(x - dia_size + dir, y + dir ); } if(x!=best[0] || y!=best[1]) dia_size=0; #if 0 { int dx, dy, i; static int stats[8*8]; dx= FFABS(x-best[0]); dy= FFABS(y-best[1]); stats[dy*8 + dx] ++; if(256*256*256*64 % (stats[0]+1)==0){ for(i=0; i<64; i++){ if((i&7)==0) printf("\n"); printf("%6d ", stats[i]); } printf("\n"); } } #endif } return dmin; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L930
d2a_code_data_44369
int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt, const uint8_t *buf, int len) { unsigned int ssrc, h; int payload_type, seq, ret, flags = 0; AVStream *st; uint32_t timestamp; int rv= 0; if (!buf) { if(s->st && s->parse_packet) { timestamp = RTP_NOTS_VALUE; rv= s->parse_packet(s->ic, s->dynamic_protocol_context, s->st, pkt, &timestamp, NULL, 0, flags); finalize_packet(s, pkt, timestamp); return rv; } else { if (s->read_buf_index >= s->read_buf_size) return -1; ret = ff_mpegts_parse_packet(s->ts, pkt, s->buf + s->read_buf_index, s->read_buf_size - s->read_buf_index); if (ret < 0) return -1; s->read_buf_index += ret; if (s->read_buf_index < s->read_buf_size) return 1; else return 0; } } if (len < 12) return -1; if ((buf[0] & 0xc0) != (RTP_VERSION << 6)) return -1; if (buf[1] >= RTCP_SR && buf[1] <= RTCP_APP) { return rtcp_parse_packet(s, buf, len); } payload_type = buf[1] & 0x7f; if (buf[1] & 0x80) flags |= RTP_FLAG_MARKER; seq = AV_RB16(buf + 2); timestamp = AV_RB32(buf + 4); ssrc = AV_RB32(buf + 8); s->ssrc = ssrc; if (s->payload_type != payload_type) return -1; st = s->st; if(!rtp_valid_packet_in_sequence(&s->statistics, seq)) { av_log(st?st->codec:NULL, AV_LOG_ERROR, "RTP: PT=%02x: bad cseq %04x expected=%04x\n", payload_type, seq, ((s->seq + 1) & 0xffff)); return -1; } s->seq = seq; len -= 12; buf += 12; if (!st) { ret = ff_mpegts_parse_packet(s->ts, pkt, buf, len); if (ret < 0) return -1; if (ret < len) { s->read_buf_size = len - ret; memcpy(s->buf, buf + ret, s->read_buf_size); s->read_buf_index = 0; return 1; } return 0; } else if (s->parse_packet) { rv = s->parse_packet(s->ic, s->dynamic_protocol_context, s->st, pkt, &timestamp, buf, len, flags); } else { switch(st->codec->codec_id) { case CODEC_ID_MP2: case CODEC_ID_MP3: if (len <= 4) return -1; h = AV_RB32(buf); len -= 4; buf += 4; av_new_packet(pkt, len); memcpy(pkt->data, buf, len); break; case CODEC_ID_MPEG1VIDEO: case CODEC_ID_MPEG2VIDEO: if (len <= 4) return -1; h = AV_RB32(buf); buf += 4; len -= 4; if (h & (1 << 26)) { if (len <= 4) return -1; buf += 4; len -= 4; } av_new_packet(pkt, len); memcpy(pkt->data, buf, len); break; default: av_new_packet(pkt, len); memcpy(pkt->data, buf, len); break; } pkt->stream_index = st->index; } finalize_packet(s, pkt, timestamp); return rv; }
https://github.com/libav/libav/blob/f41237c9dbe9751ef025812edebdec762797e57d/libavformat/rtpdec.c/#L518
d2a_code_data_44370
int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret) { int ok = 0; BIGNUM *q = NULL; *ret = 0; q = BN_new(); if (q == NULL) goto err; BN_set_word(q, 1); if (BN_cmp(pub_key, q) <= 0) *ret |= DH_CHECK_PUBKEY_TOO_SMALL; BN_copy(q, dh->p); BN_sub_word(q, 1); if (BN_cmp(pub_key, q) >= 0) *ret |= DH_CHECK_PUBKEY_TOO_LARGE; ok = 1; err: BN_free(q); return (ok); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/dh/dh_check.c/#L162
d2a_code_data_44371
static void doapr_outch(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, int c) { assert(*sbuffer != NULL || buffer != NULL); if (buffer) { while (*currlen >= *maxlen) { if (*buffer == NULL) { if (*maxlen == 0) *maxlen = 1024; *buffer = OPENSSL_malloc(*maxlen); if(!*buffer) { return; } if (*currlen > 0) { assert(*sbuffer != NULL); memcpy(*buffer, *sbuffer, *currlen); } *sbuffer = NULL; } else { *maxlen += 1024; *buffer = OPENSSL_realloc(*buffer, *maxlen); if(!*buffer) { return; } } } assert(*sbuffer != NULL || *buffer != NULL); } if (*currlen < *maxlen) { if (*sbuffer) (*sbuffer)[(*currlen)++] = (char)c; else (*buffer)[(*currlen)++] = (char)c; } return; }
https://github.com/openssl/openssl/blob/ac5a110621ca48f0bebd5b4d76d081de403da29e/crypto/bio/b_print.c/#L740
d2a_code_data_44372
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L268
d2a_code_data_44373
static char *shacrypt(const char *passwd, const char *magic, const char *salt) { static const char rounds_prefix[] = "rounds="; # define SALT_LEN_MAX 16 # define ROUNDS_DEFAULT 5000 # define ROUNDS_MIN 1000 # define ROUNDS_MAX 999999999 static char out_buf[3 + 17 + 17 + 86 + 1]; unsigned char buf[SHA512_DIGEST_LENGTH]; unsigned char temp_buf[SHA512_DIGEST_LENGTH]; size_t buf_size = 0; char ascii_magic[2]; char ascii_salt[17]; char *ascii_passwd = NULL; size_t n; EVP_MD_CTX *md = NULL, *md2 = NULL; const EVP_MD *sha = NULL; size_t passwd_len, salt_len, magic_len; unsigned int rounds = 5000; char rounds_custom = 0; char *p_bytes = NULL; char *s_bytes = NULL; char *cp = NULL; passwd_len = strlen(passwd); magic_len = strlen(magic); if (magic_len != 1) return NULL; switch (magic[0]) { case '5': sha = EVP_sha256(); buf_size = 32; break; case '6': sha = EVP_sha512(); buf_size = 64; break; default: return NULL; } if (strncmp(salt, rounds_prefix, sizeof(rounds_prefix) - 1) == 0) { const char *num = salt + sizeof(rounds_prefix) - 1; char *endp; unsigned long int srounds = strtoul (num, &endp, 10); if (*endp == '$') { salt = endp + 1; if (srounds > ROUNDS_MAX) rounds = ROUNDS_MAX; else if (srounds < ROUNDS_MIN) rounds = ROUNDS_MIN; else rounds = (unsigned int)srounds; rounds_custom = 1; } else { return NULL; } } OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic)); #ifdef CHARSET_EBCDIC if ((magic[0] & 0x80) != 0) ebcdic2ascii(ascii_magic, ascii_magic, magic_len); #endif OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt)); salt_len = strlen(ascii_salt); #ifdef CHARSET_EBCDIC ebcdic2ascii(ascii_salt, ascii_salt, salt_len); #endif #ifdef CHARSET_EBCDIC ascii_passwd = OPENSSL_strdup(passwd); if (ascii_passwd == NULL) return NULL; ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len); passwd = ascii_passwd; #endif out_buf[0] = 0; OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf)); OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf)); OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf)); if (rounds_custom) { char tmp_buf[80]; sprintf(tmp_buf, "rounds=%u", rounds); #ifdef CHARSET_EBCDIC if (tmp_buf[0] != 0x72) ebcdic2ascii(tmp_buf, tmp_buf, strlen(tmp_buf)); #endif OPENSSL_strlcat(out_buf, tmp_buf, sizeof(out_buf)); OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf)); } OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf)); if (strlen(out_buf) > 3 + 17 * rounds_custom + salt_len ) goto err; md = EVP_MD_CTX_new(); if (md == NULL || !EVP_DigestInit_ex(md, sha, NULL) || !EVP_DigestUpdate(md, passwd, passwd_len) || !EVP_DigestUpdate(md, ascii_salt, salt_len)) goto err; md2 = EVP_MD_CTX_new(); if (md2 == NULL || !EVP_DigestInit_ex(md2, sha, NULL) || !EVP_DigestUpdate(md2, passwd, passwd_len) || !EVP_DigestUpdate(md2, ascii_salt, salt_len) || !EVP_DigestUpdate(md2, passwd, passwd_len) || !EVP_DigestFinal_ex(md2, buf, NULL)) goto err; for (n = passwd_len; n > buf_size; n -= buf_size) { if (!EVP_DigestUpdate(md, buf, buf_size)) goto err; } if (!EVP_DigestUpdate(md, buf, n)) goto err; n = passwd_len; while (n) { if (!EVP_DigestUpdate(md, (n & 1) ? buf : (unsigned const char *)passwd, (n & 1) ? buf_size : passwd_len)) goto err; n >>= 1; } if (!EVP_DigestFinal_ex(md, buf, NULL)) return NULL; if (!EVP_DigestInit_ex(md2, sha, NULL)) goto err; for (n = passwd_len; n > 0; n--) if (!EVP_DigestUpdate(md2, passwd, passwd_len)) goto err; if (!EVP_DigestFinal_ex(md2, temp_buf, NULL)) return NULL; if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL) goto err; for (cp = p_bytes, n = passwd_len; n > buf_size; n -= buf_size, cp += buf_size) memcpy(cp, temp_buf, buf_size); memcpy(cp, temp_buf, n); if (!EVP_DigestInit_ex(md2, sha, NULL)) goto err; for (n = 16 + buf[0]; n > 0; n--) if (!EVP_DigestUpdate(md2, ascii_salt, salt_len)) goto err; if (!EVP_DigestFinal_ex(md2, temp_buf, NULL)) return NULL; if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL) goto err; for (cp = s_bytes, n = salt_len; n > buf_size; n -= buf_size, cp += buf_size) memcpy(cp, temp_buf, buf_size); memcpy(cp, temp_buf, n); for (n = 0; n < rounds; n++) { if (!EVP_DigestInit_ex(md2, sha, NULL)) goto err; if (!EVP_DigestUpdate(md2, (n & 1) ? (unsigned const char *)p_bytes : buf, (n & 1) ? passwd_len : buf_size)) goto err; if (n % 3) { if (!EVP_DigestUpdate(md2, s_bytes, salt_len)) goto err; } if (n % 7) { if (!EVP_DigestUpdate(md2, p_bytes, passwd_len)) goto err; } if (!EVP_DigestUpdate(md2, (n & 1) ? buf : (unsigned const char *)p_bytes, (n & 1) ? buf_size : passwd_len)) goto err; if (!EVP_DigestFinal_ex(md2, buf, NULL)) goto err; } EVP_MD_CTX_free(md2); EVP_MD_CTX_free(md); md2 = NULL; md = NULL; OPENSSL_free(p_bytes); OPENSSL_free(s_bytes); p_bytes = NULL; s_bytes = NULL; cp = out_buf + strlen(out_buf); *cp++ = ascii_dollar[0]; # define b64_from_24bit(B2, B1, B0, N) \ do { \ unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \ int i = (N); \ while (i-- > 0) \ { \ *cp++ = cov_2char[w & 0x3f]; \ w >>= 6; \ } \ } while (0) switch (magic[0]) { case '5': b64_from_24bit (buf[0], buf[10], buf[20], 4); b64_from_24bit (buf[21], buf[1], buf[11], 4); b64_from_24bit (buf[12], buf[22], buf[2], 4); b64_from_24bit (buf[3], buf[13], buf[23], 4); b64_from_24bit (buf[24], buf[4], buf[14], 4); b64_from_24bit (buf[15], buf[25], buf[5], 4); b64_from_24bit (buf[6], buf[16], buf[26], 4); b64_from_24bit (buf[27], buf[7], buf[17], 4); b64_from_24bit (buf[18], buf[28], buf[8], 4); b64_from_24bit (buf[9], buf[19], buf[29], 4); b64_from_24bit (0, buf[31], buf[30], 3); break; case '6': b64_from_24bit (buf[0], buf[21], buf[42], 4); b64_from_24bit (buf[22], buf[43], buf[1], 4); b64_from_24bit (buf[44], buf[2], buf[23], 4); b64_from_24bit (buf[3], buf[24], buf[45], 4); b64_from_24bit (buf[25], buf[46], buf[4], 4); b64_from_24bit (buf[47], buf[5], buf[26], 4); b64_from_24bit (buf[6], buf[27], buf[48], 4); b64_from_24bit (buf[28], buf[49], buf[7], 4); b64_from_24bit (buf[50], buf[8], buf[29], 4); b64_from_24bit (buf[9], buf[30], buf[51], 4); b64_from_24bit (buf[31], buf[52], buf[10], 4); b64_from_24bit (buf[53], buf[11], buf[32], 4); b64_from_24bit (buf[12], buf[33], buf[54], 4); b64_from_24bit (buf[34], buf[55], buf[13], 4); b64_from_24bit (buf[56], buf[14], buf[35], 4); b64_from_24bit (buf[15], buf[36], buf[57], 4); b64_from_24bit (buf[37], buf[58], buf[16], 4); b64_from_24bit (buf[59], buf[17], buf[38], 4); b64_from_24bit (buf[18], buf[39], buf[60], 4); b64_from_24bit (buf[40], buf[61], buf[19], 4); b64_from_24bit (buf[62], buf[20], buf[41], 4); b64_from_24bit (0, 0, buf[63], 2); break; default: goto err; } *cp = '\0'; #ifdef CHARSET_EBCDIC ascii2ebcdic(out_buf, out_buf, strlen(out_buf)); #endif return out_buf; err: EVP_MD_CTX_free(md2); EVP_MD_CTX_free(md); OPENSSL_free(p_bytes); OPENSSL_free(s_bytes); OPENSSL_free(ascii_passwd); return NULL; }
https://github.com/openssl/openssl/blob/8ae173bb57819a23717fd3c8e7c51cb62f4268d0/apps/passwd.c/#L653
d2a_code_data_44374
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_44375
int BN_hex2bn(BIGNUM **bn, const char *a) { BIGNUM *ret = NULL; BN_ULONG l = 0; int neg = 0, h, m, i, j, k, c; int num; if ((a == NULL) || (*a == '\0')) return (0); if (*a == '-') { neg = 1; a++; } for (i = 0; isxdigit((unsigned char)a[i]); i++) ; num = i + neg; if (bn == NULL) return (num); if (*bn == NULL) { if ((ret = BN_new()) == NULL) return (0); } else { ret = *bn; BN_zero(ret); } if (bn_expand(ret, i * 4) == NULL) goto err; j = i; m = 0; h = 0; while (j > 0) { m = ((BN_BYTES * 2) <= j) ? (BN_BYTES * 2) : j; l = 0; for (;;) { c = a[j - m]; if ((c >= '0') && (c <= '9')) k = c - '0'; else if ((c >= 'a') && (c <= 'f')) k = c - 'a' + 10; else if ((c >= 'A') && (c <= 'F')) k = c - 'A' + 10; else k = 0; l = (l << 4) | k; if (--m <= 0) { ret->d[h++] = l; break; } } j -= (BN_BYTES * 2); } ret->top = h; bn_correct_top(ret); ret->neg = neg; *bn = ret; bn_check_top(ret); return (num); err: if (*bn == NULL) BN_free(ret); return (0); }
https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/bn/bn_print.c/#L213
d2a_code_data_44376
static ngx_int_t ngx_http_upstream_get_random_peer(ngx_peer_connection_t *pc, void *data) { ngx_http_upstream_random_peer_data_t *rp = data; time_t now; uintptr_t m; ngx_uint_t i, n; ngx_http_upstream_rr_peer_t *peer; ngx_http_upstream_rr_peers_t *peers; ngx_http_upstream_rr_peer_data_t *rrp; ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, "get random peer, try: %ui", pc->tries); rrp = &rp->rrp; peers = rrp->peers; ngx_http_upstream_rr_peers_rlock(peers); if (rp->tries > 20 || peers->single) { ngx_http_upstream_rr_peers_unlock(peers); return ngx_http_upstream_get_round_robin_peer(pc, rrp); } pc->cached = 0; pc->connection = NULL; now = ngx_time(); for ( ;; ) { i = ngx_http_upstream_peek_random_peer(peers, rp); peer = rp->conf->ranges[i].peer; n = i / (8 * sizeof(uintptr_t)); m = (uintptr_t) 1 << i % (8 * sizeof(uintptr_t)); if (rrp->tried[n] & m) { goto next; } ngx_http_upstream_rr_peer_lock(peers, peer); if (peer->down) { ngx_http_upstream_rr_peer_unlock(peers, peer); goto next; } if (peer->max_fails && peer->fails >= peer->max_fails && now - peer->checked <= peer->fail_timeout) { ngx_http_upstream_rr_peer_unlock(peers, peer); goto next; } if (peer->max_conns && peer->conns >= peer->max_conns) { ngx_http_upstream_rr_peer_unlock(peers, peer); goto next; } break; next: if (++rp->tries > 20) { ngx_http_upstream_rr_peers_unlock(peers); return ngx_http_upstream_get_round_robin_peer(pc, rrp); } } rrp->current = peer; if (now - peer->checked > peer->fail_timeout) { peer->checked = now; } pc->sockaddr = peer->sockaddr; pc->socklen = peer->socklen; pc->name = &peer->name; peer->conns++; ngx_http_upstream_rr_peer_unlock(peers, peer); ngx_http_upstream_rr_peers_unlock(peers); rrp->tried[n] |= m; return NGX_OK; }
https://github.com/nginx/nginx/blob/468e37734c48e63296e9f633fd6319519b5f8c74/src/http/modules/ngx_http_upstream_random_module.c/#L276
d2a_code_data_44377
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_44378
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/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/crypto/lhash/lhash.c/#L123
d2a_code_data_44379
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/#L1080
d2a_code_data_44380
static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) { const char *codec_string = encoder ? "encoder" : "decoder"; AVCodec *codec; codec = encoder ? avcodec_find_encoder_by_name(name) : avcodec_find_decoder_by_name(name); if(!codec) { av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); exit_program(1); } if(codec->type != type) { av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); exit_program(1); } return codec; }
https://github.com/libav/libav/blob/4bf3c8f226252e18de8051fd0d417c1d39857b67/avconv.c/#L2876
d2a_code_data_44381
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/#L1056
d2a_code_data_44382
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/56c7754cab3da9745e52e36b0bf998f8356fd6d5/crypto/bn/bn_ctx.c/#L353
d2a_code_data_44383
ssize_t ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *chain) { u_char *prev; ssize_t n, size; ngx_err_t err; ngx_array_t vec; ngx_event_t *rev; struct iovec *iov, iovs[NGX_IOVS]; prev = NULL; iov = NULL; size = 0; vec.elts = iovs; vec.nelts = 0; vec.size = sizeof(struct iovec); vec.nalloc = NGX_IOVS; vec.pool = c->pool; while (chain) { if (prev == chain->buf->last) { iov->iov_len += chain->buf->end - chain->buf->last; } else { iov = ngx_array_push(&vec); if (iov == NULL) { return NGX_ERROR; } iov->iov_base = (void *) chain->buf->last; iov->iov_len = chain->buf->end - chain->buf->last; } size += chain->buf->end - chain->buf->last; prev = chain->buf->end; chain = chain->next; } ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, "readv: %d:%d", vec.nelts, iov->iov_len); rev = c->read; do { n = readv(c->fd, (struct iovec *) vec.elts, vec.nelts); if (n == 0) { rev->ready = 0; rev->eof = 1; return n; } else if (n > 0) { if (n < size && !(ngx_event_flags & NGX_USE_GREEDY_EVENT)) { rev->ready = 0; } return n; } err = ngx_socket_errno; if (err == NGX_EAGAIN || err == NGX_EINTR) { ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, "readv() not ready"); n = NGX_AGAIN; } else { n = ngx_connection_error(c, err, "readv() failed"); break; } } while (err == NGX_EINTR); rev->ready = 0; if (n == NGX_ERROR){ c->read->error = 1; } return n; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/os/unix/ngx_readv_chain.c/#L194
d2a_code_data_44384
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, const char *dir) { DIR *d; struct dirent *dstruct; int ret = 0; CRYPTO_w_lock(CRYPTO_LOCK_READDIR); d = opendir(dir); if(!d) { SYSerr(SYS_F_OPENDIR, get_last_sys_error()); ERR_add_error_data(3, "opendir('", dir, "')"); SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); goto err; } while((dstruct=readdir(d))) { char buf[1024]; int r; if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) { SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); goto err; } r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name); if (r <= 0 || r >= sizeof buf) goto err; if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) goto err; } ret = 1; err: CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); return ret; }
https://github.com/openssl/openssl/blob/4bf4bc784f12bcdc3a3e772f85f6d33f5eccdab3/ssl/ssl_cert.c/#L768
d2a_code_data_44385
static void apply_window_mp3_c(MPA_INT *synth_buf, MPA_INT *window, int *dither_state, OUT_INT *samples, int incr) { register const MPA_INT *w, *w2, *p; int j; OUT_INT *samples2; #if CONFIG_FLOAT float sum, sum2; #elif FRAC_BITS <= 15 int sum, sum2; #else int64_t sum, sum2; #endif memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf)); samples2 = samples + 31 * incr; w = window; w2 = window + 31; sum = *dither_state; p = synth_buf + 16; SUM8(MACS, sum, w, p); p = synth_buf + 48; SUM8(MLSS, sum, w + 32, p); *samples = round_sample(&sum); samples += incr; w++; for(j=1;j<16;j++) { sum2 = 0; p = synth_buf + 16 + j; SUM8P2(sum, MACS, sum2, MLSS, w, w2, p); p = synth_buf + 48 - j; SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p); *samples = round_sample(&sum); samples += incr; sum += sum2; *samples2 = round_sample(&sum); samples2 -= incr; w++; w2--; } p = synth_buf + 32; SUM8(MLSS, sum, w + 32, p); *samples = round_sample(&sum); *dither_state= sum; }
https://github.com/libav/libav/blob/63e8d9760f23a4edf81e9ae58c4f6d3baa6ff4dd/libavcodec/mpegaudiodec.c/#L695
d2a_code_data_44386
static int cert_status_cb(SSL *s, void *arg) { tlsextstatusctx *srctx = arg; BIO *err = srctx->err; char *host, *port, *path; int use_ssl; unsigned char *rspder = NULL; int rspderlen; STACK_OF(OPENSSL_STRING) *aia = NULL; X509 *x = NULL; X509_STORE_CTX inctx; X509_OBJECT obj; OCSP_REQUEST *req = NULL; OCSP_RESPONSE *resp = NULL; OCSP_CERTID *id = NULL; STACK_OF(X509_EXTENSION) *exts; int ret = SSL_TLSEXT_ERR_NOACK; int i; #if 0 STACK_OF(OCSP_RESPID) *ids; SSL_get_tlsext_status_ids(s, &ids); BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); #endif if (srctx->verbose) BIO_puts(err, "cert_status: callback called\n"); x = SSL_get_certificate(s); aia = X509_get1_ocsp(x); if (aia) { if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &host, &port, &path, &use_ssl)) { BIO_puts(err, "cert_status: can't parse AIA URL\n"); goto err; } if (srctx->verbose) BIO_printf(err, "cert_status: AIA URL: %s\n", sk_OPENSSL_STRING_value(aia, 0)); } else { if (!srctx->host) { BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); goto done; } host = srctx->host; path = srctx->path; port = srctx->port; use_ssl = srctx->use_ssl; } if (!X509_STORE_CTX_init(&inctx, SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), NULL, NULL)) goto err; if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, X509_get_issuer_name(x),&obj) <= 0) { BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); X509_STORE_CTX_cleanup(&inctx); goto done; } req = OCSP_REQUEST_new(); if (!req) goto err; id = OCSP_cert_to_id(NULL, x, obj.data.x509); X509_free(obj.data.x509); X509_STORE_CTX_cleanup(&inctx); if (!id) goto err; if (!OCSP_request_add0_id(req, id)) goto err; id = NULL; SSL_get_tlsext_status_exts(s, &exts); for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); if (!OCSP_REQUEST_add_ext(req, ext, -1)) goto err; } resp = process_responder(err, req, host, path, port, use_ssl, NULL, srctx->timeout); if (!resp) { BIO_puts(err, "cert_status: error querying responder\n"); goto done; } rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); if (rspderlen <= 0) goto err; SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); if (srctx->verbose) { BIO_puts(err, "cert_status: ocsp response sent:\n"); OCSP_RESPONSE_print(err, resp, 2); } ret = SSL_TLSEXT_ERR_OK; done: if (ret != SSL_TLSEXT_ERR_OK) ERR_print_errors(err); if (aia) { OPENSSL_free(host); OPENSSL_free(path); OPENSSL_free(port); X509_email_free(aia); } if (id) OCSP_CERTID_free(id); if (req) OCSP_REQUEST_free(req); if (resp) OCSP_RESPONSE_free(resp); return ret; err: ret = SSL_TLSEXT_ERR_ALERT_FATAL; goto done; }
https://github.com/openssl/openssl/blob/1c16fd1f033816c98b96a41691625c0c2788e805/apps/s_server.c/#L820
d2a_code_data_44387
static int dvbsub_display_end_segment(AVCodecContext *avctx, const uint8_t *buf, int buf_size, AVSubtitle *sub) { DVBSubContext *ctx = avctx->priv_data; DVBSubDisplayDefinition *display_def = ctx->display_definition; DVBSubRegion *region; DVBSubRegionDisplay *display; AVSubtitleRect *rect; DVBSubCLUT *clut; uint32_t *clut_table; int i; int offset_x=0, offset_y=0; sub->rects = NULL; sub->start_display_time = 0; sub->end_display_time = ctx->time_out * 1000; sub->format = 0; if (display_def) { offset_x = display_def->x; offset_y = display_def->y; } sub->num_rects = ctx->display_list_size; if (sub->num_rects > 0) { sub->rects = av_mallocz(sizeof(*sub->rects) * sub->num_rects); if (!sub->rects) return AVERROR(ENOMEM); for (i = 0; i < sub->num_rects; i++) { sub->rects[i] = av_mallocz(sizeof(*sub->rects[i])); if (!sub->rects[i]) { int j; for (j = 0; j < i; j ++) av_free(sub->rects[j]); av_free(sub->rects); return AVERROR(ENOMEM); } } } i = 0; for (display = ctx->display_list; display; display = display->next) { region = get_region(ctx, display->region_id); rect = sub->rects[i]; if (!region) continue; rect->x = display->x_pos + offset_x; rect->y = display->y_pos + offset_y; rect->w = region->width; rect->h = region->height; rect->nb_colors = 16; rect->type = SUBTITLE_BITMAP; rect->linesize[0] = region->width; clut = get_clut(ctx, region->clut); if (!clut) clut = &default_clut; switch (region->depth) { case 2: clut_table = clut->clut4; break; case 8: clut_table = clut->clut256; break; case 4: default: clut_table = clut->clut16; break; } rect->data[1] = av_mallocz(AVPALETTE_SIZE); if (!rect->data[1]) { for (i = 0; i < sub->num_rects; i++) av_free(sub->rects[i]); av_free(sub->rects); return AVERROR(ENOMEM); } memcpy(rect->data[1], clut_table, (1 << region->depth) * sizeof(uint32_t)); rect->data[0] = av_malloc(region->buf_size); if (!rect->data[0]) { av_free(rect->data[1]); for (i = 0; i < sub->num_rects; i++) av_free(sub->rects[i]); av_free(sub->rects); return AVERROR(ENOMEM); } memcpy(rect->data[0], region->pbuf, region->buf_size); #if FF_API_AVPICTURE FF_DISABLE_DEPRECATION_WARNINGS { int j; for (j = 0; j < 4; j++) { rect->pict.data[j] = rect->data[j]; rect->pict.linesize[j] = rect->linesize[j]; } } FF_ENABLE_DEPRECATION_WARNINGS #endif i++; } sub->num_rects = i; #ifdef DEBUG save_display_set(ctx); #endif return 1; }
https://github.com/libav/libav/blob/969f215957b25ec014aeed6e440ecb450e6927c1/libavcodec/dvbsubdec.c/#L1309
d2a_code_data_44388
void *lh_delete(_LHASH *lh, const void *data) { unsigned long hash; LHASH_NODE *nn, **rn; void *ret; lh->error = 0; rn = getrn(lh, data, &hash); if (*rn == NULL) { lh->num_no_delete++; return (NULL); } else { nn = *rn; *rn = nn->next; ret = nn->data; OPENSSL_free(nn); lh->num_delete++; } lh->num_items--; if ((lh->num_nodes > MIN_NODES) && (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes))) contract(lh); return (ret); }
https://github.com/openssl/openssl/blob/f8e0a5573820bd7318782d4954c6643ff7e58102/crypto/lhash/lhash.c/#L209
d2a_code_data_44389
int ssl3_get_cert_verify(SSL *s) { EVP_PKEY *pkey=NULL; unsigned char *p; int al,ok,ret=0; long n; int type=0,i,j; X509 *peer; const EVP_MD *md = NULL; EVP_MD_CTX mctx; EVP_MD_CTX_init(&mctx); n=s->method->ssl_get_message(s, SSL3_ST_SR_CERT_VRFY_A, SSL3_ST_SR_CERT_VRFY_B, -1, SSL3_RT_MAX_PLAIN_LENGTH, &ok); if (!ok) return((int)n); if (s->session->peer != NULL) { peer=s->session->peer; pkey=X509_get_pubkey(peer); type=X509_certificate_type(peer,pkey); } else { peer=NULL; pkey=NULL; } if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY) { s->s3->tmp.reuse_message=1; if ((peer != NULL) && (type & EVP_PKT_SIGN)) { al=SSL_AD_UNEXPECTED_MESSAGE; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_MISSING_VERIFY_MESSAGE); goto f_err; } ret=1; goto end; } if (peer == NULL) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_NO_CLIENT_CERT_RECEIVED); al=SSL_AD_UNEXPECTED_MESSAGE; goto f_err; } if (!(type & EVP_PKT_SIGN)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE); al=SSL_AD_ILLEGAL_PARAMETER; goto f_err; } if (s->s3->change_cipher_spec) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_CCS_RECEIVED_EARLY); al=SSL_AD_UNEXPECTED_MESSAGE; goto f_err; } p=(unsigned char *)s->init_msg; if (n==64 && (pkey->type==NID_id_GostR3410_94 || pkey->type == NID_id_GostR3410_2001) ) { i=64; } else { if (SSL_USE_SIGALGS(s)) { int rv = tls12_check_peer_sigalg(&md, s, p, pkey); if (rv == -1) { al = SSL_AD_INTERNAL_ERROR; goto f_err; } else if (rv == 0) { al = SSL_AD_DECODE_ERROR; goto f_err; } #ifdef SSL_DEBUG fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md)); #endif p += 2; n -= 2; } n2s(p,i); n-=2; if (i > n) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_LENGTH_MISMATCH); al=SSL_AD_DECODE_ERROR; goto f_err; } } j=EVP_PKEY_size(pkey); if ((i > j) || (n > j) || (n <= 0)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_WRONG_SIGNATURE_SIZE); al=SSL_AD_DECODE_ERROR; goto f_err; } if (SSL_USE_SIGALGS(s)) { long hdatalen = 0; void *hdata; hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); if (hdatalen <= 0) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_INTERNAL_ERROR); al=SSL_AD_INTERNAL_ERROR; goto f_err; } #ifdef SSL_DEBUG fprintf(stderr, "Using TLS 1.2 with client verify alg %s\n", EVP_MD_name(md)); #endif if (!EVP_VerifyInit_ex(&mctx, md, NULL) || !EVP_VerifyUpdate(&mctx, hdata, hdatalen)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_EVP_LIB); al=SSL_AD_INTERNAL_ERROR; goto f_err; } if (EVP_VerifyFinal(&mctx, p , i, pkey) <= 0) { al=SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_SIGNATURE); goto f_err; } } else #ifndef OPENSSL_NO_RSA if (pkey->type == EVP_PKEY_RSA) { i=RSA_verify(NID_md5_sha1, s->s3->tmp.cert_verify_md, MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH, p, i, pkey->pkey.rsa); if (i < 0) { al=SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_DECRYPT); goto f_err; } if (i == 0) { al=SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_SIGNATURE); goto f_err; } } else #endif #ifndef OPENSSL_NO_DSA if (pkey->type == EVP_PKEY_DSA) { j=DSA_verify(pkey->save_type, &(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]), SHA_DIGEST_LENGTH,p,i,pkey->pkey.dsa); if (j <= 0) { al=SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_DSA_SIGNATURE); goto f_err; } } else #endif #ifndef OPENSSL_NO_ECDSA if (pkey->type == EVP_PKEY_EC) { j=ECDSA_verify(pkey->save_type, &(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]), SHA_DIGEST_LENGTH,p,i,pkey->pkey.ec); if (j <= 0) { al=SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_ECDSA_SIGNATURE); goto f_err; } } else #endif if (pkey->type == NID_id_GostR3410_94 || pkey->type == NID_id_GostR3410_2001) { unsigned char signature[64]; int idx; EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new(pkey,NULL); EVP_PKEY_verify_init(pctx); if (i!=64) { fprintf(stderr,"GOST signature length is %d",i); } for (idx=0;idx<64;idx++) { signature[63-idx]=p[idx]; } j=EVP_PKEY_verify(pctx,signature,64,s->s3->tmp.cert_verify_md,32); EVP_PKEY_CTX_free(pctx); if (j<=0) { al=SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_ECDSA_SIGNATURE); goto f_err; } } else { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,ERR_R_INTERNAL_ERROR); al=SSL_AD_UNSUPPORTED_CERTIFICATE; goto f_err; } ret=1; if (0) { f_err: ssl3_send_alert(s,SSL3_AL_FATAL,al); } end: if (s->s3->handshake_buffer) { BIO_free(s->s3->handshake_buffer); s->s3->handshake_buffer = NULL; s->s3->flags &= ~TLS1_FLAGS_KEEP_HANDSHAKE; } EVP_MD_CTX_cleanup(&mctx); EVP_PKEY_free(pkey); return(ret); }
https://github.com/openssl/openssl/blob/9e189b9dc10786c755919e6792e923c584c918a1/ssl/s3_srvr.c/#L3135
d2a_code_data_44390
static 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/732192a0796c4ecbef3b13ccc8ee8ab23e28f483/crypto/constant_time_locl.h/#L137
d2a_code_data_44391
static void floor_encode(venc_context_t * venc, floor_t * fc, PutBitContext * pb, uint_fast16_t * posts, float * floor, int samples) { int range = 255 / fc->multiplier + 1; int coded[fc->values]; int i, counter; put_bits(pb, 1, 1); put_bits(pb, ilog(range - 1), posts[0]); put_bits(pb, ilog(range - 1), posts[1]); coded[0] = coded[1] = 1; for (i = 2; i < fc->values; i++) { int predicted = render_point(fc->list[fc->list[i].low].x, posts[fc->list[i].low], fc->list[fc->list[i].high].x, posts[fc->list[i].high], fc->list[i].x); int highroom = range - predicted; int lowroom = predicted; int room = FFMIN(highroom, lowroom); if (predicted == posts[i]) { coded[i] = 0; continue; } else { if (!coded[fc->list[i].low ]) coded[fc->list[i].low ] = -1; if (!coded[fc->list[i].high]) coded[fc->list[i].high] = -1; } if (posts[i] > predicted) { if (posts[i] - predicted > room) coded[i] = posts[i] - predicted + lowroom; else coded[i] = (posts[i] - predicted) << 1; } else { if (predicted - posts[i] > room) coded[i] = predicted - posts[i] + highroom - 1; else coded[i] = ((predicted - posts[i]) << 1) - 1; } } counter = 2; for (i = 0; i < fc->partitions; i++) { floor_class_t * c = &fc->classes[fc->partition_to_class[i]]; int k, cval = 0, csub = 1<<c->subclass; if (c->subclass) { codebook_t * book = &venc->codebooks[c->masterbook]; int cshift = 0; for (k = 0; k < c->dim; k++) { int l; for (l = 0; l < csub; l++) { int maxval = 1; if (c->books[l] != -1) maxval = venc->codebooks[c->books[l]].nentries; if (coded[counter + k] < maxval) break; } assert(l != csub); cval |= l << cshift; cshift += c->subclass; } put_codeword(pb, book, cval); } for (k = 0; k < c->dim; k++) { int book = c->books[cval & (csub-1)]; int entry = coded[counter++]; cval >>= c->subclass; if (book == -1) continue; if (entry == -1) entry = 0; put_codeword(pb, &venc->codebooks[book], entry); } } ff_vorbis_floor1_render_list(fc->list, fc->values, posts, coded, fc->multiplier, floor, samples); }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/vorbis_enc.c/#L742
d2a_code_data_44392
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/#L890
d2a_code_data_44393
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->top = b->top; a->neg = b->neg; bn_check_top(a); return a; }
https://github.com/openssl/openssl/blob/b8c32081e02b7008a90d878eccce46da256dfe86/crypto/bn/bn_lib.c/#L295
d2a_code_data_44394
static void slide(signed char *r, const uint8_t *a) { int i; int b; int k; for (i = 0; i < 256; ++i) { r[i] = 1 & (a[i >> 3] >> (i & 7)); } for (i = 0; i < 256; ++i) { if (r[i]) { for (b = 1; b <= 6 && i + b < 256; ++b) { if (r[i + b]) { if (r[i] + (r[i + b] << b) <= 15) { r[i] += r[i + b] << b; r[i + b] = 0; } else if (r[i] - (r[i + b] << b) >= -15) { r[i] -= r[i + b] << b; for (k = i + b; k < 256; ++k) { if (!r[k]) { r[k] = 1; break; } r[k] = 0; } } else { break; } } } } } }
https://github.com/openssl/openssl/blob/04dec1ab34df70c1588d42cc394e8fa8b5f3191c/crypto/ec/curve25519.c/#L3600
d2a_code_data_44395
static int encode_test_init(struct evp_test *t, const char *encoding) { struct 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 { fprintf(stderr, "Bad encoding: %s. Should be one of " "{canonical, valid, invalid}\n", encoding); return 0; } t->data = edata; return 1; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/evp_test.c/#L1561
d2a_code_data_44396
DEFINE_RUN_ONCE_STATIC(do_load_builtin_compressions) { SSL_COMP *comp = NULL; COMP_METHOD *method = COMP_zlib(); CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE); ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp); if (COMP_get_type(method) != NID_undef && ssl_comp_methods != NULL) { comp = OPENSSL_malloc(sizeof(*comp)); if (comp != NULL) { comp->method = method; comp->id = SSL_COMP_ZLIB_IDX; comp->name = COMP_get_name(method); sk_SSL_COMP_push(ssl_comp_methods, comp); sk_SSL_COMP_sort(ssl_comp_methods); } } CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE); return 1; }
https://github.com/openssl/openssl/blob/7f9ae88817ddf0aac5c6bd95d9a5af1c54ed5bbf/ssl/ssl_ciph.c/#L489
d2a_code_data_44397
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 ( (v[12] >= '0') && (v[12] <= '9') && (v[13] >= '0') && (v[13] <= '9')) { s= (v[12]-'0')*10+(v[13]-'0'); if (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/985de8634000df9b33b8ac4519fa10a99e43b314/crypto/asn1/t_x509.c/#L389
d2a_code_data_44398
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; if (pkt->buf->length > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE : pkt->buf->length * 2; } 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/84d5549e692e63a16fa1b11603e4098fc31746e9/ssl/packet.c/#L25
d2a_code_data_44399
int X509_NAME_print(BIO *bp, X509_NAME *name, int obase) { char *s, *c, *b; int l, i; l = 80 - 2 - obase; b = X509_NAME_oneline(name, NULL, 0); if (!b) return 0; if (!*b) { OPENSSL_free(b); return 1; } s = b + 1; c = s; for (;;) { #ifndef CHARSET_EBCDIC if (((*s == '/') && ((s[1] >= 'A') && (s[1] <= 'Z') && ((s[2] == '=') || ((s[2] >= 'A') && (s[2] <= 'Z') && (s[3] == '=')) ))) || (*s == '\0')) #else if (((*s == '/') && (isupper(s[1]) && ((s[2] == '=') || (isupper(s[2]) && (s[3] == '=')) ))) || (*s == '\0')) #endif { i = s - c; if (BIO_write(bp, c, i) != i) goto err; c = s + 1; if (*s != '\0') { if (BIO_write(bp, ", ", 2) != 2) goto err; } l--; } if (*s == '\0') break; s++; l--; } OPENSSL_free(b); return 1; err: X509err(X509_F_X509_NAME_PRINT, ERR_R_BUF_LIB); OPENSSL_free(b); return 0; }
https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x_name.c/#L552
d2a_code_data_44400
static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont) { BIGNUM *n; BN_ULONG *ap, *np, *rp, n0, v, carry; int nl, max, i; n = &(mont->N); nl = n->top; if (nl == 0) { ret->top = 0; return (1); } max = (2 * nl); if (bn_wexpand(r, max) == NULL) return (0); r->neg ^= n->neg; np = n->d; rp = r->d; i = max - r->top; if (i) memset(&rp[r->top], 0, sizeof(*rp) * i); r->top = max; n0 = mont->n0[0]; for (carry = 0, i = 0; i < nl; i++, rp++) { v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2); v = (v + carry + rp[nl]) & BN_MASK2; carry |= (v != rp[nl]); carry &= (v <= rp[nl]); rp[nl] = v; } if (bn_wexpand(ret, nl) == NULL) return (0); ret->top = nl; ret->neg = r->neg; rp = ret->d; ap = &(r->d[nl]); # define BRANCH_FREE 1 # if BRANCH_FREE { BN_ULONG *nrp; size_t m; v = bn_sub_words(rp, ap, np, nl) - carry; m = (0 - (size_t)v); nrp = (BN_ULONG *)(((PTR_SIZE_INT) rp & ~m) | ((PTR_SIZE_INT) ap & m)); for (i = 0, nl -= 4; i < nl; i += 4) { BN_ULONG t1, t2, t3, t4; t1 = nrp[i + 0]; t2 = nrp[i + 1]; t3 = nrp[i + 2]; ap[i + 0] = 0; t4 = nrp[i + 3]; ap[i + 1] = 0; rp[i + 0] = t1; ap[i + 2] = 0; rp[i + 1] = t2; ap[i + 3] = 0; rp[i + 2] = t3; rp[i + 3] = t4; } for (nl += 4; i < nl; i++) rp[i] = nrp[i], ap[i] = 0; } # else if (bn_sub_words(rp, ap, np, nl) - carry) memcpy(rp, ap, nl * sizeof(BN_ULONG)); # endif bn_correct_top(r); bn_correct_top(ret); bn_check_top(ret); return (1); }
https://github.com/openssl/openssl/blob/3f97052392cb10fca5309212bf720685262ad4a6/crypto/bn/bn_mont.c/#L106
d2a_code_data_44401
static void update(Real288_internal *glob) { int x,y; float buffer1[40],temp1[37]; float buffer2[8],temp2[11]; for (x=0,y=glob->phasep+5;x<40;buffer1[x++]=glob->output[(y++)%40]); co(36,40,35,buffer1,temp1,glob->st1a,glob->st1b,table1); if (pred(temp1,glob->st1,36)) colmult(glob->pr1,glob->st1,table1a,36); for (x=0,y=glob->phase+1;x<8;buffer2[x++]=glob->history[(y++)%8]); co(10,8,20,buffer2,temp2,glob->st2a,glob->st2b,table2); if (pred(temp2,glob->st2,10)) colmult(glob->pr2,glob->st2,table2a,10); }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra288.c/#L79
d2a_code_data_44402
static void mov_create_chapter_track(AVFormatContext *s, int tracknum) { MOVMuxContext *mov = s->priv_data; MOVTrack *track = &mov->tracks[tracknum]; AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY }; int i, len; track->mode = mov->mode; track->tag = MKTAG('t','e','x','t'); track->timescale = MOV_TIMESCALE; track->enc = avcodec_alloc_context3(NULL); track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; for (i = 0; i < s->nb_chapters; i++) { AVChapter *c = s->chapters[i]; AVDictionaryEntry *t; int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE}); pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE}); pkt.duration = end - pkt.dts; if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { len = strlen(t->value); pkt.size = len+2; pkt.data = av_malloc(pkt.size); AV_WB16(pkt.data, len); memcpy(pkt.data+2, t->value, len); ff_mov_write_packet(s, &pkt); av_freep(&pkt.data); } } }
https://github.com/libav/libav/blob/f53221049933627a31fb4a530c290802715ccf65/libavformat/movenc.c/#L2770
d2a_code_data_44403
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))); return overlapped; }
https://github.com/openssl/openssl/blob/4086b42b2d58773bee8463f69eee4bf8c299b589/crypto/evp/evp_enc.c/#L288
d2a_code_data_44404
static void decode_gain_and_index(QCELPContext *q, float *gain) { int i, subframes_count, g1[16]; float slope; if(q->bitrate >= RATE_QUARTER) { switch(q->bitrate) { case RATE_FULL: subframes_count = 16; break; case RATE_HALF: subframes_count = 4; break; default: subframes_count = 5; } for(i=0; i<subframes_count; i++) { g1[i] = 4 * q->frame.cbgain[i]; if(q->bitrate == RATE_FULL && !((i+1) & 3)) { g1[i] += av_clip((g1[i-1] + g1[i-2] + g1[i-3]) / 3 - 6, 0, 32); } gain[i] = qcelp_g12ga[g1[i]]; if(q->frame.cbsign[i]) { gain[i] = -gain[i]; q->frame.cindex[i] = (q->frame.cindex[i]-89) & 127; } } q->prev_g1[0] = g1[i-2]; q->prev_g1[1] = g1[i-1]; q->last_codebook_gain = qcelp_g12ga[g1[i-1]]; if(q->bitrate == RATE_QUARTER) { gain[7] = gain[4]; gain[6] = 0.4*gain[3] + 0.6*gain[4]; gain[5] = gain[3]; gain[4] = 0.8*gain[2] + 0.2*gain[3]; gain[3] = 0.2*gain[1] + 0.8*gain[2]; gain[2] = gain[1]; gain[1] = 0.6*gain[0] + 0.4*gain[1]; } }else { if(q->bitrate == RATE_OCTAVE) { g1[0] = 2 * q->frame.cbgain[0] + av_clip((q->prev_g1[0] + q->prev_g1[1]) / 2 - 5, 0, 54); subframes_count = 8; }else { assert(q->bitrate == I_F_Q); g1[0] = q->prev_g1[1]; switch(q->erasure_count) { case 1 : break; case 2 : g1[0] -= 1; break; case 3 : g1[0] -= 2; break; default: g1[0] -= 6; } if(g1[0] < 0) g1[0] = 0; subframes_count = 4; } slope = 0.5*(qcelp_g12ga[g1[0]] - q->last_codebook_gain) / subframes_count; for(i=1; i<=subframes_count; i++) gain[i-1] = q->last_codebook_gain + slope * i; q->last_codebook_gain = gain[i-2]; q->prev_g1[0] = q->prev_g1[1]; q->prev_g1[1] = g1[0]; } }
https://github.com/libav/libav/blob/ce60c2d133876b2878b724cb512b81d4a149c72e/libavcodec/qcelpdec.c/#L233
d2a_code_data_44405
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/#L1079
d2a_code_data_44406
unsigned char *next_protos_parse(size_t *outlen, const char *in) { size_t len; unsigned char *out; size_t i, start = 0; len = strlen(in); if (len >= 65535) return NULL; out = app_malloc(strlen(in) + 1, "NPN buffer"); for (i = 0; i <= len; ++i) { if (i == len || in[i] == ',') { if (i - start > 255) { OPENSSL_free(out); return NULL; } out[start] = (unsigned char)(i - start); start = i + 1; } else { out[i + 1] = in[i]; } } *outlen = len + 1; return out; }
https://github.com/openssl/openssl/blob/d3620841cc39aaa4a3d75ea32e94ccd110b5bef4/apps/apps.c/#L1812
d2a_code_data_44407
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_44408
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_44409
static int pbe_test_init(EVP_TEST *t, const char *alg) { PBE_DATA *pdat; int pbe_type = 0; if (strcmp(alg, "scrypt") == 0) { #ifndef OPENSSL_NO_SCRYPT pbe_type = PBE_TYPE_SCRYPT; #else t->skip = 1; return 1; #endif } else if (strcmp(alg, "pbkdf2") == 0) { pbe_type = PBE_TYPE_PBKDF2; } else if (strcmp(alg, "pkcs12") == 0) { pbe_type = PBE_TYPE_PKCS12; } else { TEST_error("Unknown pbe algorithm %s", alg); } pdat = OPENSSL_malloc(sizeof(*pdat)); pdat->pbe_type = pbe_type; pdat->pass = NULL; pdat->salt = NULL; pdat->N = 0; pdat->r = 0; pdat->p = 0; pdat->maxmem = 0; pdat->id = 0; pdat->iter = 0; pdat->md = NULL; t->data = pdat; return 1; }
https://github.com/openssl/openssl/blob/69b4c01fd26e6eb72b156ed3014522c3295a7669/test/evp_test.c/#L1641
d2a_code_data_44410
void avfilter_unref_buffer(AVFilterBufferRef *ref) { if(!(--ref->buf->refcount)) ref->buf->free(ref->buf); av_free(ref->video); av_free(ref); }
https://github.com/libav/libav/blob/ad0d70c964f852a18e9ab8124f0e7aa8876cac6e/libavfilter/avfilter.c/#L63
d2a_code_data_44411
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_44412
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return (NULL); } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return (NULL); } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
https://github.com/openssl/openssl/blob/757264207ad8650a89ea903d48ad89f61d56ea9c/crypto/bn/bn_lib.c/#L271
d2a_code_data_44413
u_char * ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) { u_char *p, zero, *last; int d; float f, scale; size_t len, slen; int64_t i64; uint64_t ui64; ngx_msec_t ms; ngx_uint_t width, sign, hex, max_width, frac_width, i; ngx_str_t *v; ngx_variable_value_t *vv; if (max == 0) { return buf; } last = buf + max; while (*fmt && buf < last) { if (*fmt == '%') { i64 = 0; ui64 = 0; zero = (u_char) ((*++fmt == '0') ? '0' : ' '); width = 0; sign = 1; hex = 0; max_width = 0; frac_width = 0; slen = (size_t) -1; while (*fmt >= '0' && *fmt <= '9') { width = width * 10 + *fmt++ - '0'; } for ( ;; ) { switch (*fmt) { case 'u': sign = 0; fmt++; continue; case 'm': max_width = 1; fmt++; continue; case 'X': hex = 2; sign = 0; fmt++; continue; case 'x': hex = 1; sign = 0; fmt++; continue; case '.': fmt++; while (*fmt >= '0' && *fmt <= '9') { frac_width = frac_width * 10 + *fmt++ - '0'; } break; case '*': slen = va_arg(args, size_t); fmt++; continue; default: break; } break; } switch (*fmt) { case 'V': v = va_arg(args, ngx_str_t *); len = v->len; len = (buf + len < last) ? len : (size_t) (last - buf); buf = ngx_cpymem(buf, v->data, len); fmt++; continue; case 'v': vv = va_arg(args, ngx_variable_value_t *); len = vv->len; len = (buf + len < last) ? len : (size_t) (last - buf); buf = ngx_cpymem(buf, vv->data, len); fmt++; continue; case 's': p = va_arg(args, u_char *); if (slen == (size_t) -1) { while (*p && buf < last) { *buf++ = *p++; } } else { len = (buf + slen < last) ? slen : (size_t) (last - buf); buf = ngx_cpymem(buf, p, len); } fmt++; continue; case 'O': i64 = (int64_t) va_arg(args, off_t); sign = 1; break; case 'P': i64 = (int64_t) va_arg(args, ngx_pid_t); sign = 1; break; case 'T': i64 = (int64_t) va_arg(args, time_t); sign = 1; break; case 'M': ms = (ngx_msec_t) va_arg(args, ngx_msec_t); if ((ngx_msec_int_t) ms == -1) { sign = 1; i64 = -1; } else { sign = 0; ui64 = (uint64_t) ms; } break; case 'z': if (sign) { i64 = (int64_t) va_arg(args, ssize_t); } else { ui64 = (uint64_t) va_arg(args, size_t); } break; case 'i': if (sign) { i64 = (int64_t) va_arg(args, ngx_int_t); } else { ui64 = (uint64_t) va_arg(args, ngx_uint_t); } if (max_width) { width = NGX_INT_T_LEN; } break; case 'd': if (sign) { i64 = (int64_t) va_arg(args, int); } else { ui64 = (uint64_t) va_arg(args, u_int); } break; case 'l': if (sign) { i64 = (int64_t) va_arg(args, long); } else { ui64 = (uint64_t) va_arg(args, u_long); } break; case 'D': if (sign) { i64 = (int64_t) va_arg(args, int32_t); } else { ui64 = (uint64_t) va_arg(args, uint32_t); } break; case 'L': if (sign) { i64 = va_arg(args, int64_t); } else { ui64 = va_arg(args, uint64_t); } break; case 'A': if (sign) { i64 = (int64_t) va_arg(args, ngx_atomic_int_t); } else { ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); } if (max_width) { width = NGX_ATOMIC_T_LEN; } break; case 'f': f = (float) va_arg(args, double); if (f < 0) { *buf++ = '-'; f = -f; } ui64 = (int64_t) f; buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width); if (frac_width) { if (buf < last) { *buf++ = '.'; } scale = 1.0; for (i = 0; i < frac_width; i++) { scale *= 10.0; } ui64 = (uint64_t) ((f - (int64_t) ui64) * scale); buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width); } fmt++; continue; #if !(NGX_WIN32) case 'r': i64 = (int64_t) va_arg(args, rlim_t); sign = 1; break; #endif case 'p': ui64 = (uintptr_t) va_arg(args, void *); hex = 2; sign = 0; zero = '0'; width = NGX_PTR_SIZE * 2; break; case 'c': d = va_arg(args, int); *buf++ = (u_char) (d & 0xff); fmt++; continue; case 'Z': *buf++ = '\0'; fmt++; continue; case 'N': #if (NGX_WIN32) *buf++ = CR; #endif *buf++ = LF; fmt++; continue; case '%': *buf++ = '%'; fmt++; continue; default: *buf++ = *fmt++; continue; } if (sign) { if (i64 < 0) { *buf++ = '-'; ui64 = (uint64_t) -i64; } else { ui64 = (uint64_t) i64; } } buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width); fmt++; } else { *buf++ = *fmt++; } } return buf; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L244
d2a_code_data_44414
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/f4001a0d192a2462bcedbaadf95e778ddc352ebb/crypto/modes/gcm128.c/#L1379
d2a_code_data_44415
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/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/crypto/lhash/lhash.c/#L123
d2a_code_data_44416
static void opt_output_file(void *optctx, const char *filename) { OptionsContext *o = optctx; AVFormatContext *oc; int i, err; AVOutputFormat *file_oformat; OutputStream *ost; InputStream *ist; if (!strcmp(filename, "-")) filename = "pipe:"; oc = avformat_alloc_context(); if (!oc) { print_error(filename, AVERROR(ENOMEM)); exit_program(1); } if (o->format) { file_oformat = av_guess_format(o->format, NULL, NULL); if (!file_oformat) { av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format); exit_program(1); } } else { file_oformat = av_guess_format(NULL, filename, NULL); if (!file_oformat) { av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n", filename); exit_program(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_avserver_streams(o, oc, filename); if (err < 0) { print_error(filename, err); exit_program(1); } } else if (!o->nb_stream_maps) { #define NEW_STREAM(type, index)\ if (index >= 0) {\ ost = new_ ## type ## _stream(o, oc);\ ost->source_index = index;\ ost->sync_ist = &input_streams[index];\ input_streams[index].discard = 0;\ } if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) { int area = 0, idx = -1; for (i = 0; i < nb_input_streams; i++) { ist = &input_streams[i]; if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->st->codec->width * ist->st->codec->height > area) { area = ist->st->codec->width * ist->st->codec->height; idx = i; } } NEW_STREAM(video, idx); } if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) { int channels = 0, idx = -1; for (i = 0; i < nb_input_streams; i++) { ist = &input_streams[i]; if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && ist->st->codec->channels > channels) { channels = ist->st->codec->channels; idx = i; } } NEW_STREAM(audio, idx); } if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) { for (i = 0; i < nb_input_streams; i++) if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { NEW_STREAM(subtitle, i); break; } } } else { for (i = 0; i < o->nb_stream_maps; i++) { StreamMap *map = &o->stream_maps[i]; if (map->disabled) continue; ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index]; switch (ist->st->codec->codec_type) { case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break; case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break; case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break; default: av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n", map->file_index, map->stream_index); exit_program(1); } ost->source_index = input_files[map->file_index].ist_index + map->stream_index; ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index + map->sync_stream_index]; ist->discard = 0; } } for (i = 0; i < o->nb_attachments; i++) { AVIOContext *pb; uint8_t *attachment; const char *p; int64_t len; if ((err = avio_open(&pb, o->attachments[i], AVIO_FLAG_READ)) < 0) { av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n", o->attachments[i]); exit_program(1); } if ((len = avio_size(pb)) <= 0) { av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n", o->attachments[i]); exit_program(1); } if (!(attachment = av_malloc(len))) { av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n", o->attachments[i]); exit_program(1); } avio_read(pb, attachment, len); ost = new_attachment_stream(o, oc); ost->stream_copy = 0; ost->source_index = -1; ost->attachment_filename = o->attachments[i]; ost->st->codec->extradata = attachment; ost->st->codec->extradata_size = len; p = strrchr(o->attachments[i], '/'); av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE); avio_close(pb); } output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1); output_files[nb_output_files - 1].ctx = oc; output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams; output_files[nb_output_files - 1].recording_time = o->recording_time; output_files[nb_output_files - 1].start_time = o->start_time; output_files[nb_output_files - 1].limit_filesize = o->limit_filesize; av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0); if (oc->oformat->flags & AVFMT_NEEDNUMBER) { if (!av_filename_number_test(oc->filename)) { print_error(oc->filename, AVERROR(EINVAL)); exit_program(1); } } if (!(oc->oformat->flags & AVFMT_NOFILE)) { assert_file_overwrite(filename); if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) { print_error(filename, err); exit_program(1); } } if (o->mux_preload) { uint8_t buf[64]; snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE)); av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0); } oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); oc->flags |= AVFMT_FLAG_NONBLOCK; if (o->chapters_input_file >= nb_input_files) { if (o->chapters_input_file == INT_MAX) { o->chapters_input_file = -1; for (i = 0; i < nb_input_files; i++) if (input_files[i].ctx->nb_chapters) { o->chapters_input_file = i; break; } } else { av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n", o->chapters_input_file); exit_program(1); } } if (o->chapters_input_file >= 0) copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1], !o->metadata_chapters_manual); for (i = 0; i < o->nb_meta_data_maps; i++) { AVFormatContext *files[2]; AVDictionary **meta[2]; int j; #define METADATA_CHECK_INDEX(index, nb_elems, desc)\ if ((index) < 0 || (index) >= (nb_elems)) {\ av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\ (desc), (index));\ exit_program(1);\ } int in_file_index = o->meta_data_maps[i][1].file; if (in_file_index < 0) continue; METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file") files[0] = oc; files[1] = input_files[in_file_index].ctx; for (j = 0; j < 2; j++) { MetadataMap *map = &o->meta_data_maps[i][j]; switch (map->type) { case 'g': meta[j] = &files[j]->metadata; break; case 's': METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream") meta[j] = &files[j]->streams[map->index]->metadata; break; case 'c': METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter") meta[j] = &files[j]->chapters[map->index]->metadata; break; case 'p': METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program") meta[j] = &files[j]->programs[map->index]->metadata; break; } } av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE); } if (!o->metadata_global_manual && nb_input_files) av_dict_copy(&oc->metadata, input_files[0].ctx->metadata, AV_DICT_DONT_OVERWRITE); if (!o->metadata_streams_manual) for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) { InputStream *ist; if (output_streams[i].source_index < 0) continue; ist = &input_streams[output_streams[i].source_index]; av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE); } for (i = 0; i < o->nb_metadata; i++) { AVDictionary **m; char type, *val; int index = 0; val = strchr(o->metadata[i].u.str, '='); if (!val) { av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n", o->metadata[i].u.str); exit_program(1); } *val++ = 0; parse_meta_type(o->metadata[i].specifier, &type, &index); switch (type) { case 'g': m = &oc->metadata; break; case 's': if (index < 0 || index >= oc->nb_streams) { av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index); exit_program(1); } m = &oc->streams[index]->metadata; break; case 'c': if (index < 0 || index >= oc->nb_chapters) { av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index); exit_program(1); } m = &oc->chapters[index]->metadata; break; default: av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier); exit_program(1); } av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0); } reset_options(o); }
https://github.com/libav/libav/blob/e551a6f49a13f2e992c42bc00a8b45ad636e52ad/avconv.c/#L3531
d2a_code_data_44417
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/ccea588f831906084b8c8235222920e6984beb72/libavutil/samplefmt.c/#L124
d2a_code_data_44418
off_t ngx_parse_offset(ngx_str_t *line) { u_char unit; off_t offset; size_t len; 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; case 'G': case 'g': len--; scale = 1024 * 1024 * 1024; break; default: scale = 1; } offset = ngx_atoof(line->data, len); if (offset == NGX_ERROR) { return NGX_ERROR; } offset *= scale; return offset; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_parse.c/#L59
d2a_code_data_44419
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/ec772a817afc0f788c38006f623204a7d76221ec/crypto/bn/bn_ctx.c/#L273
d2a_code_data_44420
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return NULL; } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return NULL; } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_lib.c/#L232
d2a_code_data_44421
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_44422
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/69588edbaa424beb71c6a9b1be416588232cb78c/crypto/bn/bn_sqr.c/#L113
d2a_code_data_44423
int av_base64_decode(uint8_t * out, const char *in, int out_length) { int i, v; uint8_t *dst = out; v = 0; for (i = 0; in[i] && in[i] != '='; i++) { unsigned int index= in[i]-43; if (index>=(sizeof(map2)/sizeof(map2[0])) || map2[index] == 0xff) return -1; v = (v << 6) + map2[index]; if (i & 3) { if (dst - out < out_length) { *dst++ = v >> (6 - 2 * (i & 3)); } } } return (dst - out); }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavutil/base64.c/#L54
d2a_code_data_44424
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/a8ca496ddb532d7f7dc356fd2b026697388d2384/crypto/bn/bn_sqr.c/#L114
d2a_code_data_44425
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/#L1166
d2a_code_data_44426
static void unpack_input(const unsigned char *input, unsigned int *output) { unsigned int outbuffer[28]; unsigned short inbuffer[10]; unsigned int x; unsigned int *ptr; for (x=0;x<20;x+=2) inbuffer[x/2]=(input[x]<<8)+input[x+1]; ptr=outbuffer; *(ptr++)=27; *(ptr++)=(inbuffer[0]>>10)&0x3f; *(ptr++)=(inbuffer[0]>>5)&0x1f; *(ptr++)=inbuffer[0]&0x1f; *(ptr++)=(inbuffer[1]>>12)&0xf; *(ptr++)=(inbuffer[1]>>8)&0xf; *(ptr++)=(inbuffer[1]>>5)&7; *(ptr++)=(inbuffer[1]>>2)&7; *(ptr++)=((inbuffer[1]<<1)&6)|((inbuffer[2]>>15)&1); *(ptr++)=(inbuffer[2]>>12)&7; *(ptr++)=(inbuffer[2]>>10)&3; *(ptr++)=(inbuffer[2]>>5)&0x1f; *(ptr++)=((inbuffer[2]<<2)&0x7c)|((inbuffer[3]>>14)&3); *(ptr++)=(inbuffer[3]>>6)&0xff; *(ptr++)=((inbuffer[3]<<1)&0x7e)|((inbuffer[4]>>15)&1); *(ptr++)=(inbuffer[4]>>8)&0x7f; *(ptr++)=(inbuffer[4]>>1)&0x7f; *(ptr++)=((inbuffer[4]<<7)&0x80)|((inbuffer[5]>>9)&0x7f); *(ptr++)=(inbuffer[5]>>2)&0x7f; *(ptr++)=((inbuffer[5]<<5)&0x60)|((inbuffer[6]>>11)&0x1f); *(ptr++)=(inbuffer[6]>>4)&0x7f; *(ptr++)=((inbuffer[6]<<4)&0xf0)|((inbuffer[7]>>12)&0xf); *(ptr++)=(inbuffer[7]>>5)&0x7f; *(ptr++)=((inbuffer[7]<<2)&0x7c)|((inbuffer[8]>>14)&3); *(ptr++)=(inbuffer[8]>>7)&0x7f; *(ptr++)=((inbuffer[8]<<1)&0xfe)|((inbuffer[9]>>15)&1); *(ptr++)=(inbuffer[9]>>8)&0x7f; *(ptr++)=(inbuffer[9]>>1)&0x7f; *(output++)=outbuffer[11]; for (x=1;x<11;*(output++)=outbuffer[x++]); ptr=outbuffer+12; for (x=0;x<16;x+=4) { *(output++)=ptr[x]; *(output++)=ptr[x+2]; *(output++)=ptr[x+3]; *(output++)=ptr[x+1]; } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra144.c/#L268
d2a_code_data_44427
ngx_int_t ngx_conf_full_name(ngx_cycle_t *cycle, ngx_str_t *name, ngx_uint_t conf_prefix) { size_t len; u_char *p, *prefix; ngx_str_t old; if (name->data[0] == '/') { return NGX_OK; } #if (NGX_WIN32) if (name->len > 2 && name->data[1] == ':' && ((name->data[0] >= 'a' && name->data[0] <= 'z') || (name->data[0] >= 'A' && name->data[0] <= 'Z'))) { return NGX_OK; } #endif old = *name; if (conf_prefix) { len = sizeof(NGX_CONF_PREFIX) - 1; prefix = (u_char *) NGX_CONF_PREFIX; } else { len = cycle->root.len; prefix = cycle->root.data; } name->len = len + old.len; name->data = ngx_pnalloc(cycle->pool, name->len + 1); if (name->data == NULL) { return NGX_ERROR; } p = ngx_cpymem(name->data, prefix, len); ngx_cpystrn(p, old.data, old.len + 1); return NGX_OK; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_conf_file.c/#L834
d2a_code_data_44428
static int check_image_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, const int linesizes[4]) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); int i; for (i = 0; i < 4; i++) { int plane = desc->comp[i].plane; if (!data[plane] || !linesizes[plane]) return 0; } return 1; }
https://github.com/libav/libav/blob/5f87c277bd5caa09cc4f9061d4ccdd58dc121110/libswscale/swscale_unscaled.c/#L1118
d2a_code_data_44429
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 **)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/1c890fa86415d7f739509701e213a2093fe53438/crypto/lhash/lhash.c/#L356
d2a_code_data_44430
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", _asn1_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/01b7851aa27aa144372f5484da916be042d9aa4f/crypto/asn1/a_gentm.c/#L308
d2a_code_data_44431
static SwsVector *sws_sumVec(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/#L2977
d2a_code_data_44432
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/a055a8815587f402d700093dea0dec6bf34631a3/crypto/bn/bn_ctx.c/#L273
d2a_code_data_44433
static ossl_inline size_t constant_time_lt_s(size_t a, size_t b) { return constant_time_msb_s(a ^ ((a ^ b) | ((a - b) ^ b))); }
https://github.com/openssl/openssl/blob/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/include/internal/constant_time_locl.h/#L119
d2a_code_data_44434
int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx) { BIGNUM *t; int i; if ((nbits < 1024) || (nbits & 0xff)) return 0; nbits >>= 1; if (!BN_rand(Xp, nbits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ANY)) goto err; BN_CTX_start(ctx); t = BN_CTX_get(ctx); for (i = 0; i < 1000; i++) { if (!BN_rand(Xq, nbits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ANY)) goto err; BN_sub(t, Xp, Xq); if (BN_num_bits(t) > (nbits - 100)) break; } BN_CTX_end(ctx); if (i < 1000) return 1; return 0; err: BN_CTX_end(ctx); return 0; }
https://github.com/openssl/openssl/blob/c6231e9c7baec688792e043d12508e608545fffb/crypto/bn/bn_x931p.c/#L187
d2a_code_data_44435
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_44436
static int seq_parse_frame_data(SeqDemuxContext *seq, ByteIOContext *pb) { unsigned int offset_table[4], buffer_num[4]; TiertexSeqFrameBuffer *seq_buffer; int i, e, err; seq->current_frame_offs += SEQ_FRAME_SIZE; url_fseek(pb, seq->current_frame_offs, SEEK_SET); seq->current_audio_data_offs = get_le16(pb); if (seq->current_audio_data_offs != 0) { seq->current_audio_data_size = SEQ_AUDIO_BUFFER_SIZE * 2; } else { seq->current_audio_data_size = 0; } seq->current_pal_data_offs = get_le16(pb); if (seq->current_pal_data_offs != 0) { seq->current_pal_data_size = 768; } else { seq->current_pal_data_size = 0; } for (i = 0; i < 4; i++) buffer_num[i] = get_byte(pb); for (i = 0; i < 4; i++) offset_table[i] = get_le16(pb); for (i = 0; i < 3; i++) { if (offset_table[i] != 0) { for (e = i + 1; e < 4 && offset_table[e] == 0; e++); err = seq_fill_buffer(seq, pb, buffer_num[1 + i], offset_table[i], offset_table[e] - offset_table[i]); if (err != 0) return err; } } if (buffer_num[0] != 255) { if (buffer_num[0] >= SEQ_NUM_FRAME_BUFFERS) return AVERROR_INVALIDDATA; seq_buffer = &seq->frame_buffers[buffer_num[0]]; seq->current_video_data_size = seq_buffer->fill_size; seq->current_video_data_ptr = seq_buffer->data; seq_buffer->fill_size = 0; } else { seq->current_video_data_size = 0; seq->current_video_data_ptr = 0; } return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/tiertexseq.c/#L159
d2a_code_data_44437
static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_LEFT; PREDICT_8x8_LOAD_TOPLEFT; SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2; SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2; SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2; SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2; SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2; SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2; SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2; SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1; SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2; SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1; SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2; SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1; SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2; SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1; SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2; SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1; SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2; SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1; SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2; SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1; SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2; SRC(7,0)= (t6 + t7 + 1) >> 1; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L900
d2a_code_data_44438
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))); return overlapped; }
https://github.com/openssl/openssl/blob/b1531d8e6cc95837e38b10d875ae64144c6fdf7a/crypto/evp/evp_enc.c/#L288
d2a_code_data_44439
static int opt_streamid(OptionsContext *o, const char *opt, const char *arg) { int idx; char *p; char idx_str[16]; av_strlcpy(idx_str, arg, sizeof(idx_str)); p = strchr(idx_str, ':'); if (!p) { av_log(NULL, AV_LOG_FATAL, "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", arg, opt); exit_program(1); } *p++ = '\0'; idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX); o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1); o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); return 0; }
https://github.com/libav/libav/blob/1be8c90847300ac7889833612c99d57c58ff64b1/avconv.c/#L4063
d2a_code_data_44440
void avformat_close_input(AVFormatContext **ps) { AVFormatContext *s = *ps; AVIOContext *pb = s->pb; if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) || (s->flags & AVFMT_FLAG_CUSTOM_IO)) pb = NULL; flush_packet_queue(s); if (s->iformat) { if (s->iformat->read_close) s->iformat->read_close(s); } avformat_free_context(s); *ps = NULL; avio_close(pb); }
https://github.com/libav/libav/blob/d7b3ee9a3a03ab88d61a5895fbdbc6689f4dd671/libavformat/utils.c/#L2559
d2a_code_data_44441
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/034cb87b6c7758986b40692d1d5abdd2a7ba826e/crypto/lhash/lhash.c/#L180
d2a_code_data_44442
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_44443
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/630fe1da888490b7dfef3fe0928b813ddff5d51a/crypto/bn/bn_shift.c/#L112
d2a_code_data_44444
int test_gf2m_mod_sqrt(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *b[2], *c, *d, *e, *f; int i, j, ret = 0; int p0[] = { 163, 7, 6, 3, 0, -1 }; int p1[] = { 193, 15, 0, -1 }; a = BN_new(); b[0] = BN_new(); b[1] = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); f = BN_new(); BN_GF2m_arr2poly(p0, b[0]); BN_GF2m_arr2poly(p1, b[1]); for (i = 0; i < num0; i++) { BN_bntest_rand(a, 512, 0, 0); for (j = 0; j < 2; j++) { BN_GF2m_mod(c, a, b[j]); BN_GF2m_mod_sqrt(d, a, b[j], ctx); BN_GF2m_mod_sqr(e, d, b[j], ctx); BN_GF2m_add(f, c, e); if (!BN_is_zero(f)) { fprintf(stderr, "GF(2^m) modular square root test failed!\n"); goto err; } } } ret = 1; err: BN_free(a); BN_free(b[0]); BN_free(b[1]); BN_free(c); BN_free(d); BN_free(e); BN_free(f); return ret; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L1568
d2a_code_data_44445
static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength) { BIGNUM *bn = NULL; static RSA *rsa_tmp = NULL; if (!rsa_tmp && ((bn = BN_new()) == NULL)) BIO_printf(bio_err, "Allocation error in generating RSA key\n"); if (!rsa_tmp && bn) { if (!s_quiet) { BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", keylength); (void)BIO_flush(bio_err); } if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { RSA_free(rsa_tmp); rsa_tmp = NULL; } if (!s_quiet) { BIO_printf(bio_err, "\n"); (void)BIO_flush(bio_err); } BN_free(bn); } return (rsa_tmp); }
https://github.com/openssl/openssl/blob/f3b9257f8239e06cc30cea47558d37fc540853ee/apps/s_server.c/#L3116
d2a_code_data_44446
static void test_fail_bignum_common(const char *prefix, const char *file, int line, const char *type, const char *left, const char *right, const char *op, const BIGNUM *bn1, const BIGNUM *bn2) { const int indent = subtest_level(); const size_t bytes = bn_bytes; char b1[MAX_STRING_WIDTH + 1], b2[MAX_STRING_WIDTH + 1]; char *p, bdiff[MAX_STRING_WIDTH + 1]; size_t l1, l2, n1, n2, i, len; unsigned int cnt, diff, real_diff; unsigned char *m1 = NULL, *m2 = NULL; int lz1 = 1, lz2 = 1; unsigned char buffer[MEM_BUFFER_SIZE * 2], *bufp = buffer; l1 = bn1 == NULL ? 0 : (BN_num_bytes(bn1) + (BN_is_negative(bn1) ? 1 : 0)); l2 = bn2 == NULL ? 0 : (BN_num_bytes(bn2) + (BN_is_negative(bn2) ? 1 : 0)); if (l1 == 0 && l2 == 0) { if ((bn1 == NULL) == (bn2 == NULL)) { test_bignum_header_line(); test_bignum_zero_print(bn1, ' '); } else { test_diff_header(left, right); test_bignum_header_line(); test_bignum_zero_print(bn1, '-'); test_bignum_zero_print(bn2, '+'); } goto fin; } if (l1 != l2 || bn1 == NULL || bn2 == NULL || BN_cmp(bn1, bn2) != 0) test_diff_header(left, right); test_bignum_header_line(); len = ((l1 > l2 ? l1 : l2) + bytes - 1) / bytes * bytes; if (len > MEM_BUFFER_SIZE && (bufp = OPENSSL_malloc(len * 2)) == NULL) { bufp = buffer; len = MEM_BUFFER_SIZE; test_printf_stderr("%*s# WARNING: these BIGNUMs have been truncated", indent, ""); } if (bn1 != NULL) { m1 = bufp; BN_bn2binpad(bn1, m1, len); } if (bn2 != NULL) { m2 = bufp + len; BN_bn2binpad(bn2, m2, len); } while (len > 0) { cnt = 8 * (len - bytes); n1 = convert_bn_memory(m1, bytes, b1, &lz1, bn1); n2 = convert_bn_memory(m2, bytes, b2, &lz2, bn2); diff = real_diff = 0; i = 0; p = bdiff; for (i=0; b1[i] != '\0'; i++) if (b1[i] == b2[i] || b1[i] == ' ' || b2[i] == ' ') { *p++ = ' '; diff |= b1[i] != b2[i]; } else { *p++ = '^'; real_diff = diff = 1; } *p++ = '\0'; if (!diff) { test_printf_stderr("%*s# %s:% 5d\n", indent, "", n2 > n1 ? b2 : b1, cnt); } else { if (cnt == 0 && bn1 == NULL) test_printf_stderr("%*s# -%s\n", indent, "", b1); else if (cnt == 0 || n1 > 0) test_printf_stderr("%*s# -%s:% 5d\n", indent, "", b1, cnt); if (cnt == 0 && bn2 == NULL) test_printf_stderr("%*s# +%s\n", indent, "", b2); else if (cnt == 0 || n2 > 0) test_printf_stderr("%*s# +%s:% 5d\n", indent, "", b2, cnt); if (real_diff && (cnt == 0 || (n1 > 0 && n2 > 0)) && bn1 != NULL && bn2 != NULL) test_printf_stderr("%*s# %s\n", indent, "", bdiff); } if (m1 != NULL) m1 += bytes; if (m2 != NULL) m2 += bytes; len -= bytes; } fin: test_printf_stderr("\n"); test_flush_stderr(); if (bufp != buffer) OPENSSL_free(bufp); }
https://github.com/openssl/openssl/blob/ffbaf06ade6dab6a0805a24087cf2e84c5db8d43/test/testutil/tests.c/#L331
d2a_code_data_44447
static void info_cb(const SSL *s, int where, int ret) { if (where & SSL_CB_ALERT) { HANDSHAKE_EX_DATA *ex_data = (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); if (where & SSL_CB_WRITE) { ex_data->alert_sent = ret; if (strcmp(SSL_alert_type_string(ret), "F") == 0 || strcmp(SSL_alert_desc_string(ret), "CN") == 0) ex_data->num_fatal_alerts_sent++; } else { ex_data->alert_received = ret; } } }
https://github.com/openssl/openssl/blob/0f5df0f1037590de12cc11eeab26fe29bf3f16a3/test/handshake_helper.c/#L95
d2a_code_data_44448
static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr, SpectrumParameters *spectrum) { unsigned int temp, max_qmf_subbands; unsigned int start_min, stop_min; int k; const int8_t *sbr_offset_ptr; int16_t stop_dk[13]; if (sbr->sample_rate < 32000) { temp = 3000; } else if (sbr->sample_rate < 64000) { temp = 4000; } else temp = 5000; start_min = ((temp << 7) + (sbr->sample_rate >> 1)) / sbr->sample_rate; stop_min = ((temp << 8) + (sbr->sample_rate >> 1)) / sbr->sample_rate; switch (sbr->sample_rate) { case 16000: sbr_offset_ptr = sbr_offset[0]; break; case 22050: sbr_offset_ptr = sbr_offset[1]; break; case 24000: sbr_offset_ptr = sbr_offset[2]; break; case 32000: sbr_offset_ptr = sbr_offset[3]; break; case 44100: case 48000: case 64000: sbr_offset_ptr = sbr_offset[4]; break; case 88200: case 96000: case 128000: case 176400: case 192000: sbr_offset_ptr = sbr_offset[5]; break; default: av_log(ac->avctx, AV_LOG_ERROR, "Unsupported sample rate for SBR: %d\n", sbr->sample_rate); return -1; } sbr->k[0] = start_min + sbr_offset_ptr[spectrum->bs_start_freq]; if (spectrum->bs_stop_freq < 14) { sbr->k[2] = stop_min; make_bands(stop_dk, stop_min, 64, 13); qsort(stop_dk, 13, sizeof(stop_dk[0]), qsort_comparison_function_int16); for (k = 0; k < spectrum->bs_stop_freq; k++) sbr->k[2] += stop_dk[k]; } else if (spectrum->bs_stop_freq == 14) { sbr->k[2] = 2*sbr->k[0]; } else if (spectrum->bs_stop_freq == 15) { sbr->k[2] = 3*sbr->k[0]; } else { av_log(ac->avctx, AV_LOG_ERROR, "Invalid bs_stop_freq: %d\n", spectrum->bs_stop_freq); return -1; } sbr->k[2] = FFMIN(64, sbr->k[2]); if (sbr->sample_rate <= 32000) { max_qmf_subbands = 48; } else if (sbr->sample_rate == 44100) { max_qmf_subbands = 35; } else if (sbr->sample_rate >= 48000) max_qmf_subbands = 32; if (sbr->k[2] - sbr->k[0] > max_qmf_subbands) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid bitstream, too many QMF subbands: %d\n", sbr->k[2] - sbr->k[0]); return -1; } if (!spectrum->bs_freq_scale) { int dk, k2diff; dk = spectrum->bs_alter_scale + 1; sbr->n_master = ((sbr->k[2] - sbr->k[0] + (dk&2)) >> dk) << 1; if (check_n_master(ac->avctx, sbr->n_master, sbr->spectrum_params.bs_xover_band)) return -1; for (k = 1; k <= sbr->n_master; k++) sbr->f_master[k] = dk; k2diff = sbr->k[2] - sbr->k[0] - sbr->n_master * dk; if (k2diff < 0) { sbr->f_master[1]--; sbr->f_master[2]-= (k2diff < -1); } else if (k2diff) { sbr->f_master[sbr->n_master]++; } sbr->f_master[0] = sbr->k[0]; for (k = 1; k <= sbr->n_master; k++) sbr->f_master[k] += sbr->f_master[k - 1]; } else { int half_bands = 7 - spectrum->bs_freq_scale; int two_regions, num_bands_0; int vdk0_max, vdk1_min; int16_t vk0[49]; if (49 * sbr->k[2] > 110 * sbr->k[0]) { two_regions = 1; sbr->k[1] = 2 * sbr->k[0]; } else { two_regions = 0; sbr->k[1] = sbr->k[2]; } num_bands_0 = lrintf(half_bands * log2f(sbr->k[1] / (float)sbr->k[0])) * 2; if (num_bands_0 <= 0) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid num_bands_0: %d\n", num_bands_0); return -1; } vk0[0] = 0; make_bands(vk0+1, sbr->k[0], sbr->k[1], num_bands_0); qsort(vk0 + 1, num_bands_0, sizeof(vk0[1]), qsort_comparison_function_int16); vdk0_max = vk0[num_bands_0]; vk0[0] = sbr->k[0]; for (k = 1; k <= num_bands_0; k++) { if (vk0[k] <= 0) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid vDk0[%d]: %d\n", k, vk0[k]); return -1; } vk0[k] += vk0[k-1]; } if (two_regions) { int16_t vk1[49]; float invwarp = spectrum->bs_alter_scale ? 0.76923076923076923077f : 1.0f; int num_bands_1 = lrintf(half_bands * invwarp * log2f(sbr->k[2] / (float)sbr->k[1])) * 2; make_bands(vk1+1, sbr->k[1], sbr->k[2], num_bands_1); vdk1_min = array_min_int16(vk1 + 1, num_bands_1); if (vdk1_min < vdk0_max) { int change; qsort(vk1 + 1, num_bands_1, sizeof(vk1[1]), qsort_comparison_function_int16); change = FFMIN(vdk0_max - vk1[1], (vk1[num_bands_1] - vk1[1]) >> 1); vk1[1] += change; vk1[num_bands_1] -= change; } qsort(vk1 + 1, num_bands_1, sizeof(vk1[1]), qsort_comparison_function_int16); vk1[0] = sbr->k[1]; for (k = 1; k <= num_bands_1; k++) { if (vk1[k] <= 0) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid vDk1[%d]: %d\n", k, vk1[k]); return -1; } vk1[k] += vk1[k-1]; } sbr->n_master = num_bands_0 + num_bands_1; if (check_n_master(ac->avctx, sbr->n_master, sbr->spectrum_params.bs_xover_band)) return -1; memcpy(&sbr->f_master[0], vk0, (num_bands_0 + 1) * sizeof(sbr->f_master[0])); memcpy(&sbr->f_master[num_bands_0 + 1], vk1 + 1, num_bands_1 * sizeof(sbr->f_master[0])); } else { sbr->n_master = num_bands_0; if (check_n_master(ac->avctx, sbr->n_master, sbr->spectrum_params.bs_xover_band)) return -1; memcpy(sbr->f_master, vk0, (num_bands_0 + 1) * sizeof(sbr->f_master[0])); } } return 0; }
https://github.com/libav/libav/blob/5634f30c4a25c17c1de26703948efeafb733413d/libavcodec/aacsbr.c/#L395
d2a_code_data_44449
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; if (pkt->buf->length > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE : pkt->buf->length * 2; } 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/84d5549e692e63a16fa1b11603e4098fc31746e9/ssl/packet.c/#L25
d2a_code_data_44450
static void BN_POOL_release(BN_POOL *p, unsigned int num) { unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE; p->used -= num; while (num--) { bn_check_top(p->current->vals + offset); if (offset == 0) { offset = BN_CTX_POOL_SIZE - 1; p->current = p->current->prev; } else offset--; } }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L340
d2a_code_data_44451
static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, long max) { const unsigned char *p = *pp; unsigned long ret = 0; unsigned long i; if (max-- < 1) return 0; if (*p == 0x80) { *inf = 1; ret = 0; p++; } else { *inf = 0; i = *p & 0x7f; if (*(p++) & 0x80) { if (max < (long)i + 1) return 0; while (i && *p == 0) { p++; i--; } if (i > sizeof(long)) return 0; while (i-- > 0) { ret <<= 8L; ret |= *(p++); } } else ret = i; } if (ret > LONG_MAX) return 0; *pp = p; *rl = (long)ret; return 1; }
https://github.com/openssl/openssl/blob/7671342e550ed2de676b23c79d0e7f45a381c76e/crypto/asn1/asn1_lib.c/#L125
d2a_code_data_44452
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return NULL; } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return NULL; } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
https://github.com/openssl/openssl/blob/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_lib.c/#L233
d2a_code_data_44453
static int check_name_constraints(X509_STORE_CTX *ctx) { X509 *x; int i, j, rv; for (i = sk_X509_num(ctx->chain) - 1; i >= 0; i--) { x = sk_X509_value(ctx->chain, i); if (i && (x->ex_flags & EXFLAG_SI)) continue; for (j = sk_X509_num(ctx->chain) - 1; j > i; j--) { NAME_CONSTRAINTS *nc = sk_X509_value(ctx->chain, j)->nc; if (nc) { rv = NAME_CONSTRAINTS_check(x, nc); if (rv != X509_V_OK) { ctx->error = rv; ctx->error_depth = i; ctx->current_cert = x; if (!ctx->verify_cb(0,ctx)) return 0; } } } } return 1; }
https://github.com/openssl/openssl/blob/2dac2667d1ec0ffd9f5609cc07f7e1221624e152/crypto/x509/x509_vfy.c/#L704