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d2a_code_data_45454
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/b8c32081e02b7008a90d878eccce46da256dfe86/crypto/bn/bn_ctx.c/#L276
d2a_code_data_45455
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_45456
int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify) { EVP_MD_CTX *mctx = EVP_MD_CTX_new(); unsigned char md[EVP_MAX_MD_SIZE]; unsigned int mdlen; int r = 0; CMS_DigestedData *dd; if (mctx == NULL) { CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL, ERR_R_MALLOC_FAILURE); goto err; } dd = cms->d.digestedData; if (!cms_DigestAlgorithm_find_ctx(mctx, chain, dd->digestAlgorithm)) goto err; if (EVP_DigestFinal_ex(mctx, md, &mdlen) <= 0) goto err; if (verify) { if (mdlen != (unsigned int)dd->digest->length) { CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL, CMS_R_MESSAGEDIGEST_WRONG_LENGTH); goto err; } if (memcmp(md, dd->digest->data, mdlen)) CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL, CMS_R_VERIFICATION_FAILURE); else r = 1; } else { if (!ASN1_STRING_set(dd->digest, md, mdlen)) goto err; r = 1; } err: EVP_MD_CTX_free(mctx); return r; }
https://github.com/openssl/openssl/blob/b842fcbb37cf3cded72dd7706abd8d54a10cd508/crypto/cms/cms_dd.c/#L95
d2a_code_data_45457
static void fmtfp(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags) { int signvalue = 0; LDOUBLE ufvalue; char iconvert[20]; char fconvert[20]; int iplace = 0; int fplace = 0; int padlen = 0; int zpadlen = 0; int caps = 0; long intpart; long fracpart; long max10; if (max < 0) max = 6; ufvalue = abs_val(fvalue); if (fvalue < 0) signvalue = '-'; else if (flags & DP_F_PLUS) signvalue = '+'; else if (flags & DP_F_SPACE) signvalue = ' '; intpart = (long)ufvalue; if (max > 9) max = 9; max10 = roundv(pow_10(max)); fracpart = roundv(pow_10(max) * (ufvalue - intpart)); if (fracpart >= max10) { intpart++; fracpart -= max10; } do { iconvert[iplace++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef")[intpart % 10]; intpart = (intpart / 10); } while (intpart && (iplace < (int)sizeof(iconvert))); if (iplace == sizeof iconvert) iplace--; iconvert[iplace] = 0; do { fconvert[fplace++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef")[fracpart % 10]; fracpart = (fracpart / 10); } while (fplace < max); if (fplace == sizeof fconvert) fplace--; fconvert[fplace] = 0; padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0); zpadlen = max - fplace; if (zpadlen < 0) zpadlen = 0; if (padlen < 0) padlen = 0; if (flags & DP_F_MINUS) padlen = -padlen; if ((flags & DP_F_ZERO) && (padlen > 0)) { if (signvalue) { doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); --padlen; signvalue = 0; } while (padlen > 0) { doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); --padlen; } } while (padlen > 0) { doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); --padlen; } if (signvalue) doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); while (iplace > 0) doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]); if (max > 0 || (flags & DP_F_NUM)) { doapr_outch(sbuffer, buffer, currlen, maxlen, '.'); while (fplace > 0) doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]); } while (zpadlen > 0) { doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); --zpadlen; } while (padlen < 0) { doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); ++padlen; } }
https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/bio/b_print.c/#L634
d2a_code_data_45458
int test_div_recp(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *b, *c, *d, *e; BN_RECP_CTX *recp; int i; recp = BN_RECP_CTX_new(); a = BN_new(); b = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); for (i = 0; i < num0 + num1; i++) { if (i < num1) { BN_bntest_rand(a, 400, 0, 0); BN_copy(b, a); BN_lshift(a, a, i); BN_add_word(a, i); } else BN_bntest_rand(b, 50 + 3 * (i - num1), 0, 0); a->neg = rand_neg(); b->neg = rand_neg(); BN_RECP_CTX_set(recp, b, ctx); BN_div_recp(d, c, a, recp, ctx); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " / "); BN_print(bp, b); BIO_puts(bp, " - "); } BN_print(bp, d); BIO_puts(bp, "\n"); if (!results) { BN_print(bp, a); BIO_puts(bp, " % "); BN_print(bp, b); BIO_puts(bp, " - "); } BN_print(bp, c); BIO_puts(bp, "\n"); } BN_mul(e, d, b, ctx); BN_add(d, e, c); BN_sub(d, d, a); if (!BN_is_zero(d)) { fprintf(stderr, "Reciprocal division test failed!\n"); fprintf(stderr, "a="); BN_print_fp(stderr, a); fprintf(stderr, "\nb="); BN_print_fp(stderr, b); fprintf(stderr, "\n"); return 0; } } BN_free(a); BN_free(b); BN_free(c); BN_free(d); BN_free(e); BN_RECP_CTX_free(recp); return (1); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L639
d2a_code_data_45459
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/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/crypto/lhash/lhash.c/#L123
d2a_code_data_45460
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_45461
static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict) { const char *codec_string = encoder ? "encoder" : "decoder"; AVCodec *codec; if(!name) return CODEC_ID_NONE; codec = encoder ? avcodec_find_encoder_by_name(name) : avcodec_find_decoder_by_name(name); if(!codec) { fprintf(stderr, "Unknown %s '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->type != type) { fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->capabilities & CODEC_CAP_EXPERIMENTAL && strict > FF_COMPLIANCE_EXPERIMENTAL) { fprintf(stderr, "%s '%s' is experimental and might produce bad " "results.\nAdd '-strict experimental' if you want to use it.\n", codec_string, codec->name); codec = encoder ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id); if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) fprintf(stderr, "Or use the non experimental %s '%s'.\n", codec_string, codec->name); ffmpeg_exit(1); } return codec->id; }
https://github.com/libav/libav/blob/2d777bb7a20041ac0564ffef85bf40619af8ccd1/ffmpeg.c/#L3105
d2a_code_data_45462
static int vp3_decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; Vp3DecodeContext *s = avctx->priv_data; GetBitContext gb; int i; init_get_bits(&gb, buf, buf_size * 8); if (s->theora && get_bits1(&gb)) { av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n"); return -1; } s->keyframe = !get_bits1(&gb); if (!s->theora) skip_bits(&gb, 1); for (i = 0; i < 3; i++) s->last_qps[i] = s->qps[i]; s->nqps=0; do{ s->qps[s->nqps++]= get_bits(&gb, 6); } while(s->theora >= 0x030200 && s->nqps<3 && get_bits1(&gb)); for (i = s->nqps; i < 3; i++) s->qps[i] = -1; if (s->avctx->debug & FF_DEBUG_PICT_INFO) av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n", s->keyframe?"key":"", avctx->frame_number+1, s->qps[0]); s->skip_loop_filter = !s->filter_limit_values[s->qps[0]] || avctx->skip_loop_filter >= (s->keyframe ? AVDISCARD_ALL : AVDISCARD_NONKEY); if (s->qps[0] != s->last_qps[0]) init_loop_filter(s); for (i = 0; i < s->nqps; i++) if (s->qps[i] != s->last_qps[i] || s->qps[0] != s->last_qps[0]) init_dequantizer(s, i); if (avctx->skip_frame >= AVDISCARD_NONKEY && !s->keyframe) return buf_size; s->current_frame.reference = 3; s->current_frame.pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P; if (ff_thread_get_buffer(avctx, &s->current_frame) < 0) { av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); goto error; } if (!s->edge_emu_buffer) s->edge_emu_buffer = av_malloc(9*FFABS(s->current_frame.linesize[0])); if (s->keyframe) { if (!s->theora) { skip_bits(&gb, 4); skip_bits(&gb, 4); if (s->version) { s->version = get_bits(&gb, 5); if (avctx->frame_number == 0) av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version); } } if (s->version || s->theora) { if (get_bits1(&gb)) av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n"); skip_bits(&gb, 2); } } else { if (!s->golden_frame.data[0]) { av_log(s->avctx, AV_LOG_WARNING, "vp3: first frame not a keyframe\n"); s->golden_frame.reference = 3; s->golden_frame.pict_type = AV_PICTURE_TYPE_I; if (ff_thread_get_buffer(avctx, &s->golden_frame) < 0) { av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); goto error; } s->last_frame = s->golden_frame; s->last_frame.type = FF_BUFFER_TYPE_COPY; ff_thread_report_progress(&s->last_frame, INT_MAX, 0); } } memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment)); ff_thread_finish_setup(avctx); if (unpack_superblocks(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n"); goto error; } if (unpack_modes(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n"); goto error; } if (unpack_vectors(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n"); goto error; } if (unpack_block_qpis(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_block_qpis\n"); goto error; } if (unpack_dct_coeffs(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n"); goto error; } for (i = 0; i < 3; i++) { int height = s->height >> (i && s->chroma_y_shift); if (s->flipped_image) s->data_offset[i] = 0; else s->data_offset[i] = (height-1) * s->current_frame.linesize[i]; } s->last_slice_end = 0; for (i = 0; i < s->c_superblock_height; i++) render_slice(s, i); for (i = 0; i < 3; i++) { int row = (s->height >> (3+(i && s->chroma_y_shift))) - 1; apply_loop_filter(s, i, row, row+1); } vp3_draw_horiz_band(s, s->avctx->height); *data_size=sizeof(AVFrame); *(AVFrame*)data= s->current_frame; if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME)) update_frames(avctx); return buf_size; error: ff_thread_report_progress(&s->current_frame, INT_MAX, 0); if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME)) avctx->release_buffer(avctx, &s->current_frame); return -1; }
https://github.com/libav/libav/blob/1c9e340d35351858907f11c45b2691db708f3903/libavcodec/vp3.c/#L1920
d2a_code_data_45463
static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_LEFT; SRC(0,0)= (l0 + l1 + 1) >> 1; SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2; SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1; SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2; SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1; SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2; SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1; SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2; SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1; SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2; SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1; SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2; SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1; SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2; SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)= SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)= SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)= SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L977
d2a_code_data_45464
int tls_construct_client_verify(SSL *s) { unsigned char *p; EVP_PKEY *pkey; const EVP_MD *md = s->s3->tmp.md[s->cert->key - s->cert->pkeys]; EVP_MD_CTX *mctx; unsigned u = 0; unsigned long n = 0; long hdatalen = 0; void *hdata; mctx = EVP_MD_CTX_new(); if (mctx == NULL) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE); goto err; } p = ssl_handshake_start(s); pkey = s->cert->key->privatekey; hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); if (hdatalen <= 0) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR); goto err; } if (SSL_USE_SIGALGS(s)) { if (!tls12_get_sigandhash(p, pkey, md)) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR); goto err; } p += 2; n = 2; } #ifdef SSL_DEBUG fprintf(stderr, "Using client alg %s\n", EVP_MD_name(md)); #endif if (!EVP_SignInit_ex(mctx, md, NULL) || !EVP_SignUpdate(mctx, hdata, hdatalen) || (s->version == SSL3_VERSION && !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET, s->session->master_key_length, s->session->master_key)) || !EVP_SignFinal(mctx, p + 2, &u, pkey)) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_EVP_LIB); goto err; } #ifndef OPENSSL_NO_GOST { int pktype = EVP_PKEY_id(pkey); if (pktype == NID_id_GostR3410_2001 || pktype == NID_id_GostR3410_2012_256 || pktype == NID_id_GostR3410_2012_512) BUF_reverse(p + 2, NULL, u); } #endif s2n(u, p); n += u + 2; if (!ssl3_digest_cached_records(s, 0)) goto err; if (!ssl_set_handshake_header(s, SSL3_MT_CERTIFICATE_VERIFY, n)) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR); goto err; } EVP_MD_CTX_free(mctx); return 1; err: EVP_MD_CTX_free(mctx); return 0; }
https://github.com/openssl/openssl/blob/de451856f08364ad6c6659b6eacbe820edc2aab9/ssl/statem/statem_clnt.c/#L2690
d2a_code_data_45465
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/440bce8f813fa661437ce52378c3df38e2fd073b/crypto/bn/bn_lib.c/#L233
d2a_code_data_45466
static int encode_test_init(EVP_TEST *t, const char *encoding) { ENCODE_DATA *edata = OPENSSL_zalloc(sizeof(*edata)); if (strcmp(encoding, "canonical") == 0) { edata->encoding = BASE64_CANONICAL_ENCODING; } else if (strcmp(encoding, "valid") == 0) { edata->encoding = BASE64_VALID_ENCODING; } else if (strcmp(encoding, "invalid") == 0) { edata->encoding = BASE64_INVALID_ENCODING; t->expected_err = OPENSSL_strdup("DECODE_ERROR"); if (t->expected_err == NULL) return 0; } else { TEST_info("Bad encoding: %s. Should be one of " "{canonical, valid, invalid}", encoding); return 0; } t->data = edata; return 1; }
https://github.com/openssl/openssl/blob/69b4c01fd26e6eb72b156ed3014522c3295a7669/test/evp_test.c/#L1765
d2a_code_data_45467
ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r, ngx_str_t *uri, ngx_str_t *args) { ngx_http_core_srv_conf_t *cscf; r->uri_changes--; if (r->uri_changes == 0) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "rewrite or internal redirection cycle " "while internal redirect to \"%V\"", uri); r->main->count++; ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); return NGX_DONE; } r->uri = *uri; if (args) { r->args = *args; } else { r->args.len = 0; r->args.data = NULL; } ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "internal redirect: \"%V?%V\"", uri, &r->args); ngx_http_set_exten(r); ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); r->loc_conf = cscf->ctx->loc_conf; ngx_http_update_location_config(r); #if (NGX_HTTP_CACHE) r->cache = NULL; #endif r->internal = 1; r->main->count++; ngx_http_handler(r); return NGX_DONE; }
https://github.com/nginx/nginx/blob/e5b2d3c6b2a132bbbbac0249566f0da7ff12bc39/src/http/ngx_http_core_module.c/#L2169
d2a_code_data_45468
static int cb_server_alpn(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) { unsigned char *protos; unsigned short protos_len; protos = next_protos_parse(&protos_len, alpn_server); if (protos == NULL) { fprintf(stderr, "failed to parser ALPN server protocol string: %s\n", alpn_server); abort(); } if (SSL_select_next_proto ((unsigned char **)out, outlen, protos, protos_len, in, inlen) != OPENSSL_NPN_NEGOTIATED) { OPENSSL_free(protos); return SSL_TLSEXT_ERR_NOACK; } alpn_selected = OPENSSL_malloc(*outlen); memcpy(alpn_selected, *out, *outlen); *out = alpn_selected; OPENSSL_free(protos); return SSL_TLSEXT_ERR_OK; }
https://github.com/openssl/openssl/blob/57ce7b617c602ae8513c22daa2bda31f179edb0f/test/ssltest.c/#L442
d2a_code_data_45469
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { if (!ossl_assert(pkt->subs != NULL && len != 0)) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
https://github.com/openssl/openssl/blob/41145c35bfee8f2b0822288fcb23a807d06d8e89/ssl/packet.c/#L49
d2a_code_data_45470
static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx, OCSP_RESPONSE **resp) { char *host = NULL, *port = NULL, *path = NULL; int use_ssl; STACK_OF(OPENSSL_STRING) *aia = NULL; X509 *x = NULL; X509_STORE_CTX *inctx = NULL; X509_OBJECT *obj; OCSP_REQUEST *req = NULL; OCSP_CERTID *id = NULL; STACK_OF(X509_EXTENSION) *exts; int ret = SSL_TLSEXT_ERR_NOACK; int i; 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(bio_err, "cert_status: can't parse AIA URL\n"); goto err; } if (srctx->verbose) BIO_printf(bio_err, "cert_status: AIA URL: %s\n", sk_OPENSSL_STRING_value(aia, 0)); } else { if (!srctx->host) { BIO_puts(bio_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; } inctx = X509_STORE_CTX_new(); if (inctx == NULL) goto err; if (!X509_STORE_CTX_init(inctx, SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), NULL, NULL)) goto err; obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509, X509_get_issuer_name(x)); if (obj == NULL) { BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n"); goto done; } id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj)); X509_OBJECT_free(obj); if (!id) goto err; req = OCSP_REQUEST_new(); if (req == NULL) 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(req, host, path, port, use_ssl, NULL, srctx->timeout); if (*resp == NULL) { BIO_puts(bio_err, "cert_status: error querying responder\n"); goto done; } ret = SSL_TLSEXT_ERR_OK; goto done; err: ret = SSL_TLSEXT_ERR_ALERT_FATAL; done: if (aia != NULL) { OPENSSL_free(host); OPENSSL_free(path); OPENSSL_free(port); X509_email_free(aia); } OCSP_CERTID_free(id); OCSP_REQUEST_free(req); X509_STORE_CTX_free(inctx); return ret; }
https://github.com/openssl/openssl/blob/5d8ce306349aabcf40da0324242025aac3cc56e4/apps/s_server.c/#L491
d2a_code_data_45471
int dtls1_buffer_record(SSL *s, record_pqueue *queue, unsigned char *priority) { DTLS1_RECORD_DATA *rdata; pitem *item; if (pqueue_size(queue->q) >= 100) return 0; rdata = OPENSSL_malloc(sizeof(*rdata)); item = pitem_new(priority, rdata); if (rdata == NULL || item == NULL) { OPENSSL_free(rdata); pitem_free(item); SSLerr(SSL_F_DTLS1_BUFFER_RECORD, ERR_R_INTERNAL_ERROR); return -1; } rdata->packet = s->rlayer.packet; rdata->packet_length = s->rlayer.packet_length; memcpy(&(rdata->rbuf), &s->rlayer.rbuf, sizeof(SSL3_BUFFER)); memcpy(&(rdata->rrec), &s->rlayer.rrec, sizeof(SSL3_RECORD)); item->data = rdata; #ifndef OPENSSL_NO_SCTP if (BIO_dgram_is_sctp(SSL_get_rbio(s)) && (SSL_get_state(s) == TLS_ST_SR_FINISHED || SSL_get_state(s) == TLS_ST_CR_FINISHED)) { BIO_ctrl(SSL_get_rbio(s), BIO_CTRL_DGRAM_SCTP_GET_RCVINFO, sizeof(rdata->recordinfo), &rdata->recordinfo); } #endif s->rlayer.packet = NULL; s->rlayer.packet_length = 0; memset(&s->rlayer.rbuf, 0, sizeof(s->rlayer.rbuf)); memset(&s->rlayer.rrec, 0, sizeof(s->rlayer.rrec)); if (!ssl3_setup_buffers(s)) { SSLerr(SSL_F_DTLS1_BUFFER_RECORD, ERR_R_INTERNAL_ERROR); OPENSSL_free(rdata->rbuf.buf); OPENSSL_free(rdata); pitem_free(item); return (-1); } if (pqueue_insert(queue->q, item) == NULL) { SSLerr(SSL_F_DTLS1_BUFFER_RECORD, ERR_R_INTERNAL_ERROR); OPENSSL_free(rdata->rbuf.buf); OPENSSL_free(rdata); pitem_free(item); return (-1); } return (1); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/ssl/record/rec_layer_d1.c/#L315
d2a_code_data_45472
int ssl_check_clienthello_tlsext_late(SSL *s) { int ret = SSL_TLSEXT_ERR_OK; int al; if ((s->tlsext_status_type != -1) && s->ctx && s->ctx->tlsext_status_cb) { int r; CERT_PKEY *certpkey; certpkey = ssl_get_server_send_pkey(s); if (certpkey == NULL) { s->tlsext_status_expected = 0; return 1; } s->cert->key = certpkey; r = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg); switch (r) { case SSL_TLSEXT_ERR_NOACK: s->tlsext_status_expected = 0; break; case SSL_TLSEXT_ERR_OK: if (s->tlsext_ocsp_resp) s->tlsext_status_expected = 1; else s->tlsext_status_expected = 0; break; case SSL_TLSEXT_ERR_ALERT_FATAL: ret = SSL_TLSEXT_ERR_ALERT_FATAL; al = SSL_AD_INTERNAL_ERROR; goto err; } } else s->tlsext_status_expected = 0; err: switch (ret) { case SSL_TLSEXT_ERR_ALERT_FATAL: ssl3_send_alert(s,SSL3_AL_FATAL,al); return -1; case SSL_TLSEXT_ERR_ALERT_WARNING: ssl3_send_alert(s,SSL3_AL_WARNING,al); return 1; default: return 1; } }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/ssl/t1_lib.c/#L1928
d2a_code_data_45473
static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv, EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc) { HANDSHAKE_EX_DATA *ex_data = (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); ex_data->session_ticket_do_not_call = 1; return 0; }
https://github.com/openssl/openssl/blob/70c22888c1648fe8652e77107f3c74bf2212de36/test/handshake_helper.c/#L163
d2a_code_data_45474
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45475
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/e128f891de71bbdba8391355af8d6d47d20b1969/crypto/lhash/lhash.c/#L164
d2a_code_data_45476
static void JPEGFixupTagsSubsamplingSkip(struct JPEGFixupTagsSubsamplingData* data, uint16 skiplength) { if ((uint32)skiplength<=data->bufferbytesleft) { data->buffercurrentbyte+=skiplength; data->bufferbytesleft-=skiplength; } else { uint16 m; m=skiplength-data->bufferbytesleft; if (m<=data->filebytesleft) { data->bufferbytesleft=0; data->fileoffset+=m; data->filebytesleft-=m; data->filepositioned=0; } else { data->bufferbytesleft=0; data->filebytesleft=0; } } }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_jpeg.c/#L914
d2a_code_data_45477
static void compute_imdct(MPADecodeContext *s, GranuleDef *g, int32_t *sb_samples, int32_t *mdct_buf) { int32_t *ptr, *win, *win1, *buf, *out_ptr, *ptr1; int32_t out2[12]; int i, j, mdct_long_end, v, sblimit; ptr = g->sb_hybrid + 576; ptr1 = g->sb_hybrid + 2 * 18; while (ptr >= ptr1) { ptr -= 6; v = ptr[0] | ptr[1] | ptr[2] | ptr[3] | ptr[4] | ptr[5]; if (v != 0) break; } sblimit = ((ptr - g->sb_hybrid) / 18) + 1; if (g->block_type == 2) { if (g->switch_point) mdct_long_end = 2; else mdct_long_end = 0; } else { mdct_long_end = sblimit; } buf = mdct_buf; ptr = g->sb_hybrid; for(j=0;j<mdct_long_end;j++) { out_ptr = sb_samples + j; if (g->switch_point && j < 2) win1 = mdct_win[0]; else win1 = mdct_win[g->block_type]; win = win1 + ((4 * 36) & -(j & 1)); imdct36(out_ptr, buf, ptr, win); out_ptr += 18*SBLIMIT; ptr += 18; buf += 18; } for(j=mdct_long_end;j<sblimit;j++) { win = mdct_win[2] + ((4 * 36) & -(j & 1)); out_ptr = sb_samples + j; for(i=0; i<6; i++){ *out_ptr = buf[i]; out_ptr += SBLIMIT; } imdct12(out2, ptr + 0); for(i=0;i<6;i++) { *out_ptr = MULH(out2[i], win[i]) + buf[i + 6*1]; buf[i + 6*2] = MULH(out2[i + 6], win[i + 6]); out_ptr += SBLIMIT; } imdct12(out2, ptr + 1); for(i=0;i<6;i++) { *out_ptr = MULH(out2[i], win[i]) + buf[i + 6*2]; buf[i + 6*0] = MULH(out2[i + 6], win[i + 6]); out_ptr += SBLIMIT; } imdct12(out2, ptr + 2); for(i=0;i<6;i++) { buf[i + 6*0] = MULH(out2[i], win[i]) + buf[i + 6*0]; buf[i + 6*1] = MULH(out2[i + 6], win[i + 6]); buf[i + 6*2] = 0; } ptr += 18; buf += 18; } for(j=sblimit;j<SBLIMIT;j++) { out_ptr = sb_samples + j; for(i=0;i<18;i++) { *out_ptr = buf[i]; buf[i] = 0; out_ptr += SBLIMIT; } buf += 18; } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L1940
d2a_code_data_45478
static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict) { const char *codec_string = encoder ? "encoder" : "decoder"; AVCodec *codec; if(!name) return CODEC_ID_NONE; codec = encoder ? avcodec_find_encoder_by_name(name) : avcodec_find_decoder_by_name(name); if(!codec) { fprintf(stderr, "Unknown %s '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->type != type) { fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->capabilities & CODEC_CAP_EXPERIMENTAL && strict > FF_COMPLIANCE_EXPERIMENTAL) { fprintf(stderr, "%s '%s' is experimental and might produce bad " "results.\nAdd '-strict experimental' if you want to use it.\n", codec_string, codec->name); codec = encoder ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id); if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) fprintf(stderr, "Or use the non experimental %s '%s'.\n", codec_string, codec->name); ffmpeg_exit(1); } return codec->id; }
https://github.com/libav/libav/blob/6465c820da7b104150366a8cdd837c00cf364235/ffmpeg.c/#L3127
d2a_code_data_45479
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/440bce8f813fa661437ce52378c3df38e2fd073b/crypto/bn/bn_lib.c/#L233
d2a_code_data_45480
static int stream_reqbody_read(proxy_http_req_t *req, apr_bucket_brigade *bb, int nonblocking) { request_rec *r = req->r; proxy_conn_rec *p_conn = req->backend; apr_bucket_alloc_t *bucket_alloc = req->bucket_alloc; apr_read_type_e block = nonblocking ? APR_NONBLOCK_READ : APR_BLOCK_READ; apr_status_t status; int rv; for (;;) { status = ap_get_brigade(r->input_filters, bb, AP_MODE_READBYTES, block, HUGE_STRING_LEN); if (block == APR_BLOCK_READ || (!APR_STATUS_IS_EAGAIN(status) && (status != APR_SUCCESS || !APR_BRIGADE_EMPTY(bb)))) { break; } apr_brigade_cleanup(bb); rv = ap_proxy_pass_brigade(bucket_alloc, r, p_conn, req->origin, bb, 1); if (rv != OK) { return rv; } block = APR_BLOCK_READ; } if (status != APR_SUCCESS) { conn_rec *c = r->connection; ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, APLOGNO(02608) "read request body failed to %pI (%s)" " from %s (%s)", p_conn->addr, p_conn->hostname ? p_conn->hostname: "", c->client_ip, c->remote_host ? c->remote_host: ""); return ap_map_http_request_error(status, HTTP_BAD_REQUEST); } return OK; }
https://github.com/apache/httpd/blob/04b4d0f94f75bdcc6338baf129b08c9c6c6ce87e/modules/proxy/mod_proxy_http.c/#L293
d2a_code_data_45481
int test_mont(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *b, *c, *d, *A, *B; BIGNUM *n; int i; BN_MONT_CTX *mont; a = BN_new(); b = BN_new(); c = BN_new(); d = BN_new(); A = BN_new(); B = BN_new(); n = BN_new(); mont = BN_MONT_CTX_new(); if (mont == NULL) return 0; BN_zero(n); if (BN_MONT_CTX_set(mont, n, ctx)) { fprintf(stderr, "BN_MONT_CTX_set succeeded for zero modulus!\n"); return 0; } BN_set_word(n, 16); if (BN_MONT_CTX_set(mont, n, ctx)) { fprintf(stderr, "BN_MONT_CTX_set succeeded for even modulus!\n"); return 0; } BN_bntest_rand(a, 100, 0, 0); BN_bntest_rand(b, 100, 0, 0); for (i = 0; i < num2; i++) { int bits = (200 * (i + 1)) / num2; if (bits == 0) continue; BN_bntest_rand(n, bits, 0, 1); BN_MONT_CTX_set(mont, n, ctx); BN_nnmod(a, a, n, ctx); BN_nnmod(b, b, n, ctx); BN_to_montgomery(A, a, mont, ctx); BN_to_montgomery(B, b, mont, ctx); BN_mod_mul_montgomery(c, A, B, mont, ctx); BN_from_montgomery(A, c, mont, ctx); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " * "); BN_print(bp, b); BIO_puts(bp, " % "); BN_print(bp, &mont->N); BIO_puts(bp, " - "); } BN_print(bp, A); BIO_puts(bp, "\n"); } BN_mod_mul(d, a, b, n, ctx); BN_sub(d, d, A); if (!BN_is_zero(d)) { fprintf(stderr, "Montgomery multiplication test failed!\n"); return 0; } } BN_MONT_CTX_free(mont); BN_free(a); BN_free(b); BN_free(c); BN_free(d); BN_free(A); BN_free(B); BN_free(n); return (1); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L806
d2a_code_data_45482
int test_mul(BIO *bp) { BIGNUM *a, *b, *c, *d, *e; int i; BN_CTX *ctx; ctx = BN_CTX_new(); if (ctx == NULL) EXIT(1); a = BN_new(); b = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); for (i = 0; i < num0 + num1; i++) { if (i <= num1) { BN_bntest_rand(a, 100, 0, 0); BN_bntest_rand(b, 100, 0, 0); } else BN_bntest_rand(b, i - num1, 0, 0); a->neg = rand_neg(); b->neg = rand_neg(); BN_mul(c, a, b, ctx); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " * "); BN_print(bp, b); BIO_puts(bp, " - "); } BN_print(bp, c); BIO_puts(bp, "\n"); } BN_div(d, e, c, a, ctx); BN_sub(d, d, b); if (!BN_is_zero(d) || !BN_is_zero(e)) { fprintf(stderr, "Multiplication test failed!\n"); return 0; } } BN_free(a); BN_free(b); BN_free(c); BN_free(d); BN_free(e); BN_CTX_free(ctx); return (1); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L689
d2a_code_data_45483
static int nss_keylog_int(const char *prefix, SSL *ssl, const uint8_t *parameter_1, size_t parameter_1_len, const uint8_t *parameter_2, size_t parameter_2_len) { char *out = NULL; char *cursor = NULL; size_t out_len = 0; size_t i; size_t prefix_len; if (ssl->ctx->keylog_callback == NULL) return 1; prefix_len = strlen(prefix); out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3; if ((out = cursor = OPENSSL_malloc(out_len)) == NULL) { SSLfatal(ssl, SSL_AD_INTERNAL_ERROR, SSL_F_NSS_KEYLOG_INT, ERR_R_MALLOC_FAILURE); return 0; } strcpy(cursor, prefix); cursor += prefix_len; *cursor++ = ' '; for (i = 0; i < parameter_1_len; i++) { sprintf(cursor, "%02x", parameter_1[i]); cursor += 2; } *cursor++ = ' '; for (i = 0; i < parameter_2_len; i++) { sprintf(cursor, "%02x", parameter_2[i]); cursor += 2; } *cursor = '\0'; ssl->ctx->keylog_callback(ssl, (const char *)out); OPENSSL_clear_free(out, out_len); return 1; }
https://github.com/openssl/openssl/blob/fb9c3ff565aa11b08646e0f9f28fc082ed365cbd/ssl/ssl_lib.c/#L5134
d2a_code_data_45484
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { if (!ossl_assert(pkt->subs != NULL && len != 0)) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
https://github.com/openssl/openssl/blob/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/ssl/packet.c/#L48
d2a_code_data_45485
static int flac_header (AVFormatContext * s, int idx) { ogg_t *ogg = s->priv_data; ogg_stream_t *os = ogg->streams + idx; AVStream *st = s->streams[idx]; GetBitContext gb; int mdt; if (os->buf[os->pstart] == 0xff) return 0; init_get_bits(&gb, os->buf + os->pstart, os->psize*8); get_bits(&gb, 1); mdt = get_bits(&gb, 7); if (mdt == 0x7f) { skip_bits(&gb, 4*8); if(get_bits(&gb, 8) != 1) return -1; skip_bits(&gb, 8 + 16); skip_bits(&gb, 4*8); if (get_bits_long(&gb, 32) != FLAC_STREAMINFO_SIZE) return -1; skip_bits(&gb, 16*2+24*2); st->codec->sample_rate = get_bits_long(&gb, 20); st->codec->channels = get_bits(&gb, 3) + 1; st->codec->codec_type = CODEC_TYPE_AUDIO; st->codec->codec_id = CODEC_ID_FLAC; st->codec->extradata = av_malloc(FLAC_STREAMINFO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE); memcpy (st->codec->extradata, os->buf + os->pstart + 5 + 4 + 4 + 4, FLAC_STREAMINFO_SIZE); st->codec->extradata_size = FLAC_STREAMINFO_SIZE; st->time_base.num = 1; st->time_base.den = st->codec->sample_rate; } else if (mdt == 4) { vorbis_comment (s, os->buf + os->pstart + 4, os->psize - 4); } return 1; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/oggparseflac.c/#L72
d2a_code_data_45486
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/53e5161231854d64fd89e993944609a329a92db4/crypto/bn/bn_ctx.c/#L355
d2a_code_data_45487
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/bd01733fdd9a5a0acdc72cf5c6601d37e8ddd801/crypto/bn/bn_lib.c/#L232
d2a_code_data_45488
static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap) { RTSPState *rt = s->priv_data; RTSPStream *rtsp_st; int size, i, err; char *content; char url[1024]; if (!ff_network_init()) return AVERROR(EIO); content = av_malloc(SDP_MAX_SIZE); size = get_buffer(s->pb, content, SDP_MAX_SIZE - 1); if (size <= 0) { av_free(content); return AVERROR_INVALIDDATA; } content[size] ='\0'; err = ff_sdp_parse(s, content); av_free(content); if (err) goto fail; for (i = 0; i < rt->nb_rtsp_streams; i++) { char namebuf[50]; rtsp_st = rt->rtsp_streams[i]; getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip), namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST); ff_url_join(url, sizeof(url), "rtp", NULL, namebuf, rtsp_st->sdp_port, "?localport=%d&ttl=%d", rtsp_st->sdp_port, rtsp_st->sdp_ttl); if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) { err = AVERROR_INVALIDDATA; goto fail; } if ((err = rtsp_open_transport_ctx(s, rtsp_st))) goto fail; } return 0; fail: ff_rtsp_close_streams(s); ff_network_close(); return err; }
https://github.com/libav/libav/blob/87e4d9b252bc6fa3b982f7050013069c9dc3e05b/libavformat/rtsp.c/#L1797
d2a_code_data_45489
static void get_sample_bits(const float *buf, int *bits) { int i, j; short sbuf[128]; int bitsum = 0, last_bitsum, small_bitsum, big_bitsum; short shift, shift_saved; int max, sum, last_off, tmp; int big_off, small_off; int off; max = 0; for (i = 0; i < NELLY_FILL_LEN; i++) { max = FFMAX(max, buf[i]); } shift = -16; shift += headroom(&max); sum = 0; for (i = 0; i < NELLY_FILL_LEN; i++) { sbuf[i] = signed_shift(buf[i], shift); sbuf[i] = (3*sbuf[i])>>2; sum += sbuf[i]; } shift += 11; shift_saved = shift; sum -= NELLY_DETAIL_BITS << shift; shift += headroom(&sum); small_off = (NELLY_BASE_OFF * (sum>>16)) >> 15; shift = shift_saved - (NELLY_BASE_SHIFT+shift-31); small_off = signed_shift(small_off, shift); bitsum = sum_bits(sbuf, shift_saved, small_off); if (bitsum != NELLY_DETAIL_BITS) { shift = 0; off = bitsum - NELLY_DETAIL_BITS; for(shift=0; FFABS(off) <= 16383; shift++) off *= 2; off = (off * NELLY_BASE_OFF) >> 15; shift = shift_saved-(NELLY_BASE_SHIFT+shift-15); off = signed_shift(off, shift); for (j = 1; j < 20; j++) { last_off = small_off; small_off += off; last_bitsum = bitsum; bitsum = sum_bits(sbuf, shift_saved, small_off); if ((bitsum-NELLY_DETAIL_BITS) * (last_bitsum-NELLY_DETAIL_BITS) <= 0) break; } if (bitsum > NELLY_DETAIL_BITS) { big_off = small_off; small_off = last_off; big_bitsum=bitsum; small_bitsum=last_bitsum; } else { big_off = last_off; big_bitsum=last_bitsum; small_bitsum=bitsum; } while (bitsum != NELLY_DETAIL_BITS && j <= 19) { off = (big_off+small_off)>>1; bitsum = sum_bits(sbuf, shift_saved, off); if (bitsum > NELLY_DETAIL_BITS) { big_off=off; big_bitsum=bitsum; } else { small_off = off; small_bitsum=bitsum; } j++; } if (abs(big_bitsum-NELLY_DETAIL_BITS) >= abs(small_bitsum-NELLY_DETAIL_BITS)) { bitsum = small_bitsum; } else { small_off = big_off; bitsum = big_bitsum; } } for (i = 0; i < NELLY_FILL_LEN; i++) { tmp = sbuf[i]-small_off; tmp = ((tmp>>(shift_saved-1))+1)>>1; bits[i] = av_clip(tmp, 0, NELLY_BIT_CAP); } if (bitsum > NELLY_DETAIL_BITS) { tmp = i = 0; while (tmp < NELLY_DETAIL_BITS) { tmp += bits[i]; i++; } bits[i-1] -= tmp - NELLY_DETAIL_BITS; for(; i < NELLY_FILL_LEN; i++) bits[i] = 0; } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/nellymoserdec.c/#L271
d2a_code_data_45490
int dtls1_buffer_message(SSL *s, int is_ccs) { pitem *item; hm_fragment *frag; unsigned char seq64be[8]; OPENSSL_assert(s->init_off == 0); frag = dtls1_hm_fragment_new(s->init_num, 0); memcpy(frag->fragment, s->init_buf->data, s->init_num); if ( is_ccs) { OPENSSL_assert(s->d1->w_msg_hdr.msg_len + ((s->version==DTLS1_VERSION)?DTLS1_CCS_HEADER_LENGTH:3) == (unsigned int)s->init_num); } else { OPENSSL_assert(s->d1->w_msg_hdr.msg_len + DTLS1_HM_HEADER_LENGTH == (unsigned int)s->init_num); } frag->msg_header.msg_len = s->d1->w_msg_hdr.msg_len; frag->msg_header.seq = s->d1->w_msg_hdr.seq; frag->msg_header.type = s->d1->w_msg_hdr.type; frag->msg_header.frag_off = 0; frag->msg_header.frag_len = s->d1->w_msg_hdr.msg_len; frag->msg_header.is_ccs = is_ccs; frag->msg_header.saved_retransmit_state.enc_write_ctx = s->enc_write_ctx; frag->msg_header.saved_retransmit_state.write_hash = s->write_hash; frag->msg_header.saved_retransmit_state.compress = s->compress; frag->msg_header.saved_retransmit_state.session = s->session; frag->msg_header.saved_retransmit_state.epoch = s->d1->w_epoch; memset(seq64be,0,sizeof(seq64be)); seq64be[6] = (unsigned char)(dtls1_get_queue_priority(frag->msg_header.seq, frag->msg_header.is_ccs)>>8); seq64be[7] = (unsigned char)(dtls1_get_queue_priority(frag->msg_header.seq, frag->msg_header.is_ccs)); item = pitem_new(seq64be, frag); if ( item == NULL) { dtls1_hm_fragment_free(frag); return 0; } #if 0 fprintf( stderr, "buffered messge: \ttype = %xx\n", msg_buf->type); fprintf( stderr, "\t\t\t\t\tlen = %d\n", msg_buf->len); fprintf( stderr, "\t\t\t\t\tseq_num = %d\n", msg_buf->seq_num); #endif pqueue_insert(s->d1->sent_messages, item); return 1; }
https://github.com/openssl/openssl/blob/8decc967dc3089344e1bd0082f87a6b349d30ce7/ssl/d1_both.c/#L1163
d2a_code_data_45491
static inline int parse_nal_units(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t *buf, int buf_size) { H264Context *h = s->priv_data; const uint8_t *buf_end = buf + buf_size; unsigned int pps_id; unsigned int slice_type; int state = -1; const uint8_t *ptr; int field_poc[2]; s->pict_type = AV_PICTURE_TYPE_I; s->key_frame = 0; s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN; h->avctx = avctx; h->sei_recovery_frame_cnt = -1; h->sei_dpb_output_delay = 0; h->sei_cpb_removal_delay = -1; h->sei_buffering_period_present = 0; if (!buf_size) return 0; for (;;) { int src_length, dst_length, consumed; buf = avpriv_find_start_code(buf, buf_end, &state); if (buf >= buf_end) break; --buf; src_length = buf_end - buf; switch (state & 0x1f) { case NAL_SLICE: case NAL_IDR_SLICE: if (src_length > 20) src_length = 20; break; } ptr = ff_h264_decode_nal(h, buf, &dst_length, &consumed, src_length); if (ptr == NULL || dst_length < 0) break; init_get_bits(&h->gb, ptr, 8 * dst_length); switch (h->nal_unit_type) { case NAL_SPS: ff_h264_decode_seq_parameter_set(h); break; case NAL_PPS: ff_h264_decode_picture_parameter_set(h, h->gb.size_in_bits); break; case NAL_SEI: ff_h264_decode_sei(h); break; case NAL_IDR_SLICE: s->key_frame = 1; h->prev_frame_num = 0; h->prev_frame_num_offset = 0; h->prev_poc_msb = h->prev_poc_lsb = 0; case NAL_SLICE: get_ue_golomb(&h->gb); slice_type = get_ue_golomb_31(&h->gb); s->pict_type = golomb_to_pict_type[slice_type % 5]; if (h->sei_recovery_frame_cnt >= 0) { s->key_frame = 1; } pps_id = get_ue_golomb(&h->gb); if (pps_id >= MAX_PPS_COUNT) { av_log(h->avctx, AV_LOG_ERROR, "pps_id out of range\n"); return -1; } if (!h->pps_buffers[pps_id]) { av_log(h->avctx, AV_LOG_ERROR, "non-existing PPS referenced\n"); return -1; } h->pps = *h->pps_buffers[pps_id]; if (!h->sps_buffers[h->pps.sps_id]) { av_log(h->avctx, AV_LOG_ERROR, "non-existing SPS referenced\n"); return -1; } h->sps = *h->sps_buffers[h->pps.sps_id]; h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num); avctx->profile = ff_h264_get_profile(&h->sps); avctx->level = h->sps.level_idc; if (h->sps.frame_mbs_only_flag) { h->picture_structure = PICT_FRAME; } else { if (get_bits1(&h->gb)) { h->picture_structure = PICT_TOP_FIELD + get_bits1(&h->gb); } else { h->picture_structure = PICT_FRAME; } } if (h->nal_unit_type == NAL_IDR_SLICE) get_ue_golomb(&h->gb); if (h->sps.poc_type == 0) { h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb); if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) h->delta_poc_bottom = get_se_golomb(&h->gb); } if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) { h->delta_poc[0] = get_se_golomb(&h->gb); if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) h->delta_poc[1] = get_se_golomb(&h->gb); } ff_init_poc(h, field_poc, &s->output_picture_number); if (h->sps.pic_struct_present_flag) { switch (h->sei_pic_struct) { case SEI_PIC_STRUCT_TOP_FIELD: case SEI_PIC_STRUCT_BOTTOM_FIELD: s->repeat_pict = 0; break; case SEI_PIC_STRUCT_FRAME: case SEI_PIC_STRUCT_TOP_BOTTOM: case SEI_PIC_STRUCT_BOTTOM_TOP: s->repeat_pict = 1; break; case SEI_PIC_STRUCT_TOP_BOTTOM_TOP: case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: s->repeat_pict = 2; break; case SEI_PIC_STRUCT_FRAME_DOUBLING: s->repeat_pict = 3; break; case SEI_PIC_STRUCT_FRAME_TRIPLING: s->repeat_pict = 5; break; default: s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0; break; } } else { s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0; } if (h->picture_structure == PICT_FRAME) { s->picture_structure = AV_PICTURE_STRUCTURE_FRAME; if (h->sps.pic_struct_present_flag) { switch (h->sei_pic_struct) { case SEI_PIC_STRUCT_TOP_BOTTOM: case SEI_PIC_STRUCT_TOP_BOTTOM_TOP: s->field_order = AV_FIELD_TT; break; case SEI_PIC_STRUCT_BOTTOM_TOP: case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: s->field_order = AV_FIELD_BB; break; default: s->field_order = AV_FIELD_PROGRESSIVE; break; } } else { if (field_poc[0] < field_poc[1]) s->field_order = AV_FIELD_TT; else if (field_poc[0] > field_poc[1]) s->field_order = AV_FIELD_BB; else s->field_order = AV_FIELD_PROGRESSIVE; } } else { if (h->picture_structure == PICT_TOP_FIELD) s->picture_structure = AV_PICTURE_STRUCTURE_TOP_FIELD; else s->picture_structure = AV_PICTURE_STRUCTURE_BOTTOM_FIELD; s->field_order = AV_FIELD_UNKNOWN; } return 0; } buf += consumed; } av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n"); return -1; }
https://github.com/libav/libav/blob/b89e8759e053792704741d08cbc41c9ac3c7ed63/libavcodec/h264_parser.c/#L146
d2a_code_data_45492
static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track) { MOV_stts_t *stts_entries; uint32_t entries = -1; uint32_t atom_size; int i; if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) { stts_entries = av_malloc(sizeof(*stts_entries)); stts_entries[0].count = track->sampleCount; stts_entries[0].duration = 1; entries = 1; } else { stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); for (i=0; i<track->entry; i++) { int64_t duration = i + 1 == track->entry ? track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : track->cluster[i+1].dts - track->cluster[i].dts; if (i && duration == stts_entries[entries].duration) { stts_entries[entries].count++; } else { entries++; stts_entries[entries].duration = duration; stts_entries[entries].count = 1; } } entries++; } atom_size = 16 + (entries * 8); put_be32(pb, atom_size); put_tag(pb, "stts"); put_be32(pb, 0); put_be32(pb, entries); for (i=0; i<entries; i++) { put_be32(pb, stts_entries[i].count); put_be32(pb, stts_entries[i].duration); } av_free(stts_entries); return atom_size; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/movenc.c/#L699
d2a_code_data_45493
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/1eb57e1d9b59db0aa63348c21bf3290bd3f5efcb/libavformat/utils.c/#L2642
d2a_code_data_45494
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_45495
int SHA512_Update(SHA512_CTX *c, const void *_data, size_t len) { SHA_LONG64 l; unsigned char *p = c->u.p; const unsigned char *data = (const unsigned char *)_data; if (len == 0) return 1; l = (c->Nl + (((SHA_LONG64) len) << 3)) & U64(0xffffffffffffffff); if (l < c->Nl) c->Nh++; if (sizeof(len) >= 8) c->Nh += (((SHA_LONG64) len) >> 61); c->Nl = l; if (c->num != 0) { size_t n = sizeof(c->u) - c->num; if (len < n) { memcpy(p + c->num, data, len), c->num += (unsigned int)len; return 1; } else { memcpy(p + c->num, data, n), c->num = 0; len -= n, data += n; sha512_block_data_order(c, p, 1); } } if (len >= sizeof(c->u)) { #ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA if ((size_t)data % sizeof(c->u.d[0]) != 0) while (len >= sizeof(c->u)) memcpy(p, data, sizeof(c->u)), sha512_block_data_order(c, p, 1), len -= sizeof(c->u), data += sizeof(c->u); else #endif sha512_block_data_order(c, data, len / sizeof(c->u)), data += len, len %= sizeof(c->u), data -= len; } if (len != 0) memcpy(p, data, len), c->num = (int)len; return 1; }
https://github.com/openssl/openssl/blob/04dec1ab34df70c1588d42cc394e8fa8b5f3191c/crypto/sha/sha512.c/#L212
d2a_code_data_45496
static void contract(LHASH *lh) { LHASH_NODE **n,*n1,*np; np=lh->b[lh->p+lh->pmax-1]; lh->b[lh->p+lh->pmax-1]=NULL; if (lh->p == 0) { n=(LHASH_NODE **)OPENSSL_realloc(lh->b, (unsigned int)(sizeof(LHASH_NODE *)*lh->pmax)); if (n == NULL) { lh->error++; return; } lh->num_contract_reallocs++; lh->num_alloc_nodes/=2; lh->pmax/=2; lh->p=lh->pmax-1; lh->b=n; } else lh->p--; lh->num_nodes--; lh->num_contracts++; n1=lh->b[(int)lh->p]; if (n1 == NULL) lh->b[(int)lh->p]=np; else { while (n1->next != NULL) n1=n1->next; n1->next=np; } }
https://github.com/openssl/openssl/blob/f9b3bff6f7e38960bb87a5623fbcbc45ee952c49/crypto/lhash/lhash.c/#L356
d2a_code_data_45497
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/440bce8f813fa661437ce52378c3df38e2fd073b/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45498
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_45499
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_45500
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_45501
BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b) { bn_check_top(b); if (a == b) return a; if (bn_wexpand(a, b->top) == NULL) return NULL; if (b->top > 0) memcpy(a->d, b->d, sizeof(b->d[0]) * b->top); a->neg = b->neg; a->top = b->top; a->flags |= b->flags & BN_FLG_FIXED_TOP; bn_check_top(a); return a; }
https://github.com/openssl/openssl/blob/3051bf2afab7ac8b7b9c64e68755d1addd2fb8ff/crypto/bn/bn_lib.c/#L291
d2a_code_data_45502
int BN_set_bit(BIGNUM *a, int n) { int i, j, k; if (n < 0) return 0; i = n / BN_BITS2; j = n % BN_BITS2; if (a->top <= i) { if (bn_wexpand(a, i + 1) == NULL) return (0); for (k = a->top; k < i + 1; k++) a->d[k] = 0; a->top = i + 1; } a->d[i] |= (((BN_ULONG)1) << j); bn_check_top(a); return (1); }
https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_lib.c/#L709
d2a_code_data_45503
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); if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0) BN_set_flags(a, BN_FLG_CONSTTIME); a->top = b->top; a->neg = b->neg; bn_check_top(a); return a; }
https://github.com/openssl/openssl/blob/e7d961e994620dd5dee6d80794a07fb9de1bab66/crypto/bn/bn_lib.c/#L322
d2a_code_data_45504
static int gif_parse_next_image(GifState *s) { ByteIOContext *f = s->f; int ret, code; for (;;) { code = url_fgetc(f); #ifdef DEBUG printf("gif: code=%02x '%c'\n", code, code); #endif switch (code) { case ',': if (gif_read_image(s) < 0) return AVERROR(EIO); ret = 0; goto the_end; case ';': ret = AVERROR(EIO); goto the_end; case '!': if (gif_read_extension(s) < 0) return AVERROR(EIO); break; case EOF: default: ret = AVERROR(EIO); goto the_end; } } the_end: return ret; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/gifdec.c/#L519
d2a_code_data_45505
int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { assert(pkt->subs != NULL && len != 0); if (pkt->subs == NULL || len == 0) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->buf->length - pkt->written < len) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; pkt->written += len; pkt->curr += len; return 1; }
https://github.com/openssl/openssl/blob/a6972f346248fbc37e42056bb943fae0896a2967/ssl/packet.c/#L25
d2a_code_data_45506
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/be2e334fce734e726a4085701bc3cbbaabf9d893/crypto/bn/bn_ctx.c/#L327
d2a_code_data_45507
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/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_shift.c/#L112
d2a_code_data_45508
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_45509
ngx_pool_t * ngx_create_pool(size_t size, ngx_log_t *log) { ngx_pool_t *p; p = ngx_alloc(size, log); if (p == NULL) { return NULL; } p->d.last = (u_char *) p + sizeof(ngx_pool_t); p->d.end = (u_char *) p + size; p->d.next = NULL; size = size - sizeof(ngx_pool_t); p->max = (size < NGX_MAX_ALLOC_FROM_POOL) ? size : NGX_MAX_ALLOC_FROM_POOL; p->current = p; p->chain = NULL; p->large = NULL; p->cleanup = NULL; p->log = log; return p; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_palloc.c/#L30
d2a_code_data_45510
int is_partially_overlapping(const void *ptr1, const void *ptr2, int len) { PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2; int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) | (diff > (0 - (PTRDIFF_T)len))); assert(!overlapped); return overlapped; }
https://github.com/openssl/openssl/blob/7141ba31969d0b378d08104a51f8f99b9187b9d5/crypto/evp/evp_enc.c/#L288
d2a_code_data_45511
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45512
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size) { void **p = ptr; if (min_size < *size) return; min_size= FFMAX(17*min_size/16 + 32, min_size); av_free(*p); *p = av_malloc(min_size); if (!*p) min_size = 0; *size= min_size; }
https://github.com/libav/libav/blob/0880503fbbd68bf6b1352488944020e3ec35c2e4/libavcodec/utils.c/#L76
d2a_code_data_45513
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_45514
int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod){ int64_t c= (a-b) & (mod-1); if(c > (mod>>1)) c-= mod; return c; }
https://github.com/libav/libav/blob/2ba65879b5853b49bbefb75346fd73c8645bccea/libavutil/mathematics.c/#L148
d2a_code_data_45515
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/#L1098
d2a_code_data_45516
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *A, *a = NULL; const BN_ULONG *B; int i; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return (NULL); } if (BN_get_flags(b,BN_FLG_SECURE)) a = A = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = A = OPENSSL_zalloc(words * sizeof(*a)); if (A == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return (NULL); } #if 1 B = b->d; if (B != NULL) { for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) { BN_ULONG a0, a1, a2, a3; a0 = B[0]; a1 = B[1]; a2 = B[2]; a3 = B[3]; A[0] = a0; A[1] = a1; A[2] = a2; A[3] = a3; } switch (b->top & 3) { case 3: A[2] = B[2]; case 2: A[1] = B[1]; case 1: A[0] = B[0]; case 0: ; } } #else memset(A, 0, sizeof(*A) * words); memcpy(A, b->d, sizeof(b->d[0]) * b->top); #endif return (a); }
https://github.com/openssl/openssl/blob/c10d1bc81cb047cbd53f8cc430632b6a4a70252d/crypto/bn/bn_lib.c/#L346
d2a_code_data_45517
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_45518
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/747e16398d704a667cc99f8a0b1912c36b7de52d/crypto/lhash/lhash.c/#L231
d2a_code_data_45519
static inline void refill_32(BitstreamContext *bc) { if (bc->ptr >= bc->buffer_end) return; #ifdef BITSTREAM_READER_LE bc->bits = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits; #else bc->bits = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left); #endif bc->ptr += 4; bc->bits_left += 32; }
https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L68
d2a_code_data_45520
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/#L669
d2a_code_data_45521
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/748e85308ef4f3e672975b3604ea2d76424fa404/crypto/bn/bn_sqr.c/#L119
d2a_code_data_45522
void TIFFReverseBits(uint8* cp, tmsize_t n) { for (; n > 8; n -= 8) { cp[0] = TIFFBitRevTable[cp[0]]; cp[1] = TIFFBitRevTable[cp[1]]; cp[2] = TIFFBitRevTable[cp[2]]; cp[3] = TIFFBitRevTable[cp[3]]; cp[4] = TIFFBitRevTable[cp[4]]; cp[5] = TIFFBitRevTable[cp[5]]; cp[6] = TIFFBitRevTable[cp[6]]; cp[7] = TIFFBitRevTable[cp[7]]; cp += 8; } while (n-- > 0) *cp = TIFFBitRevTable[*cp], cp++; }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_swab.c/#L296
d2a_code_data_45523
int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n) { int i; BN_ULONG aa, bb; aa = a[n - 1]; bb = b[n - 1]; if (aa != bb) return ((aa > bb) ? 1 : -1); for (i = n - 2; i >= 0; i--) { aa = a[i]; bb = b[i]; if (aa != bb) return ((aa > bb) ? 1 : -1); } return (0); }
https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_lib.c/#L787
d2a_code_data_45524
static int ssl_cipher_process_rulestr(const char *rule_str, CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p, const SSL_CIPHER **ca_list, CERT *c) { uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength; int min_tls; const char *l, *buf; int j, multi, found, rule, retval, ok, buflen; uint32_t cipher_id = 0; char ch; retval = 1; l = rule_str; for ( ; ; ) { ch = *l; if (ch == '\0') break; if (ch == '-') { rule = CIPHER_DEL; l++; } else if (ch == '+') { rule = CIPHER_ORD; l++; } else if (ch == '!') { rule = CIPHER_KILL; l++; } else if (ch == '@') { rule = CIPHER_SPECIAL; l++; } else { rule = CIPHER_ADD; } if (ITEM_SEP(ch)) { l++; continue; } alg_mkey = 0; alg_auth = 0; alg_enc = 0; alg_mac = 0; min_tls = 0; algo_strength = 0; for (;;) { ch = *l; buf = l; buflen = 0; #ifndef CHARSET_EBCDIC while (((ch >= 'A') && (ch <= 'Z')) || ((ch >= '0') && (ch <= '9')) || ((ch >= 'a') && (ch <= 'z')) || (ch == '-') || (ch == '.') || (ch == '=')) #else while (isalnum((unsigned char)ch) || (ch == '-') || (ch == '.') || (ch == '=')) #endif { ch = *(++l); buflen++; } if (buflen == 0) { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); retval = found = 0; l++; break; } if (rule == CIPHER_SPECIAL) { found = 0; break; } if (ch == '+') { multi = 1; l++; } else { multi = 0; } j = found = 0; cipher_id = 0; while (ca_list[j]) { if (strncmp(buf, ca_list[j]->name, buflen) == 0 && (ca_list[j]->name[buflen] == '\0')) { found = 1; break; } else j++; } if (!found) break; if (ca_list[j]->algorithm_mkey) { if (alg_mkey) { alg_mkey &= ca_list[j]->algorithm_mkey; if (!alg_mkey) { found = 0; break; } } else { alg_mkey = ca_list[j]->algorithm_mkey; } } if (ca_list[j]->algorithm_auth) { if (alg_auth) { alg_auth &= ca_list[j]->algorithm_auth; if (!alg_auth) { found = 0; break; } } else { alg_auth = ca_list[j]->algorithm_auth; } } if (ca_list[j]->algorithm_enc) { if (alg_enc) { alg_enc &= ca_list[j]->algorithm_enc; if (!alg_enc) { found = 0; break; } } else { alg_enc = ca_list[j]->algorithm_enc; } } if (ca_list[j]->algorithm_mac) { if (alg_mac) { alg_mac &= ca_list[j]->algorithm_mac; if (!alg_mac) { found = 0; break; } } else { alg_mac = ca_list[j]->algorithm_mac; } } if (ca_list[j]->algo_strength & SSL_STRONG_MASK) { if (algo_strength & SSL_STRONG_MASK) { algo_strength &= (ca_list[j]->algo_strength & SSL_STRONG_MASK) | ~SSL_STRONG_MASK; if (!(algo_strength & SSL_STRONG_MASK)) { found = 0; break; } } else { algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK; } } if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) { if (algo_strength & SSL_DEFAULT_MASK) { algo_strength &= (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) | ~SSL_DEFAULT_MASK; if (!(algo_strength & SSL_DEFAULT_MASK)) { found = 0; break; } } else { algo_strength |= ca_list[j]->algo_strength & SSL_DEFAULT_MASK; } } if (ca_list[j]->valid) { cipher_id = ca_list[j]->id; } else { if (ca_list[j]->min_tls) { if (min_tls != 0 && min_tls != ca_list[j]->min_tls) { found = 0; break; } else { min_tls = ca_list[j]->min_tls; } } } if (!multi) break; } if (rule == CIPHER_SPECIAL) { ok = 0; if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0) { ok = ssl_cipher_strength_sort(head_p, tail_p); } else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) { int level = buf[9] - '0'; if (level < 0 || level > 5) { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); } else { c->sec_level = level; ok = 1; } } else { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); } if (ok == 0) retval = 0; while ((*l != '\0') && !ITEM_SEP(*l)) l++; } else if (found) { ssl_cipher_apply_rule(cipher_id, alg_mkey, alg_auth, alg_enc, alg_mac, min_tls, algo_strength, rule, -1, head_p, tail_p); } else { while ((*l != '\0') && !ITEM_SEP(*l)) l++; } if (*l == '\0') break; } return retval; }
https://github.com/openssl/openssl/blob/4845aeba4c49e1bd65259a5014d7e3ab38657d42/ssl/ssl_ciph.c/#L1185
d2a_code_data_45525
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/c0f9e23c6b8d1076796987d5a84557d410682d85/ssl/packet.c/#L25
d2a_code_data_45526
static int decode_header_trees(SmackVContext *smk) { GetBitContext gb; int mmap_size, mclr_size, full_size, type_size; mmap_size = AV_RL32(smk->avctx->extradata); mclr_size = AV_RL32(smk->avctx->extradata + 4); full_size = AV_RL32(smk->avctx->extradata + 8); type_size = AV_RL32(smk->avctx->extradata + 12); init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8); if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\n"); smk->mmap_tbl = av_malloc(sizeof(int) * 2); smk->mmap_tbl[0] = 0; smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\n"); smk->mclr_tbl = av_malloc(sizeof(int) * 2); smk->mclr_tbl[0] = 0; smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\n"); smk->full_tbl = av_malloc(sizeof(int) * 2); smk->full_tbl[0] = 0; smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\n"); smk->type_tbl = av_malloc(sizeof(int) * 2); smk->type_tbl[0] = 0; smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size)) return -1; } return 0; }
https://github.com/libav/libav/blob/33bb63cb3e1de6d78c475cf14384089ef3f1867d/libavcodec/smacker.c/#L290
d2a_code_data_45527
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45528
int BN_lshift(BIGNUM *r, const BIGNUM *a, int n) { int i, nw, lb, rb; BN_ULONG *t, *f; BN_ULONG l; bn_check_top(r); bn_check_top(a); if (n < 0) { BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT); return 0; } r->neg = a->neg; nw = n / BN_BITS2; if (bn_wexpand(r, a->top + nw + 1) == NULL) return (0); lb = n % BN_BITS2; rb = BN_BITS2 - lb; f = a->d; t = r->d; t[a->top + nw] = 0; if (lb == 0) for (i = a->top - 1; i >= 0; i--) t[nw + i] = f[i]; else for (i = a->top - 1; i >= 0; i--) { l = f[i]; t[nw + i + 1] |= (l >> rb) & BN_MASK2; t[nw + i] = (l << lb) & BN_MASK2; } memset(t, 0, sizeof(*t) * nw); r->top = a->top + nw + 1; bn_correct_top(r); bn_check_top(r); return (1); }
https://github.com/openssl/openssl/blob/ec772a817afc0f788c38006f623204a7d76221ec/crypto/bn/bn_shift.c/#L110
d2a_code_data_45529
static int oog_encode(double u, double v) { static int oog_table[NANGLES]; static int initialized = 0; register int i; if (!initialized) { double eps[NANGLES], ua, va, ang, epsa; int ui, vi, ustep; for (i = NANGLES; i--; ) eps[i] = 2.; for (vi = UV_NVS; vi--; ) { va = UV_VSTART + (vi+.5)*UV_SQSIZ; ustep = uv_row[vi].nus-1; if (vi == UV_NVS-1 || vi == 0 || ustep <= 0) ustep = 1; for (ui = uv_row[vi].nus-1; ui >= 0; ui -= ustep) { ua = uv_row[vi].ustart + (ui+.5)*UV_SQSIZ; ang = uv2ang(ua, va); i = (int) ang; epsa = fabs(ang - (i+.5)); if (epsa < eps[i]) { oog_table[i] = uv_row[vi].ncum + ui; eps[i] = epsa; } } } for (i = NANGLES; i--; ) if (eps[i] > 1.5) { int i1, i2; for (i1 = 1; i1 < NANGLES/2; i1++) if (eps[(i+i1)%NANGLES] < 1.5) break; for (i2 = 1; i2 < NANGLES/2; i2++) if (eps[(i+NANGLES-i2)%NANGLES] < 1.5) break; if (i1 < i2) oog_table[i] = oog_table[(i+i1)%NANGLES]; else oog_table[i] = oog_table[(i+NANGLES-i2)%NANGLES]; } initialized = 1; } i = (int) uv2ang(u, v); return (oog_table[i]); }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_luv.c/#L836
d2a_code_data_45530
static inline void restore_ac_coeffs(MpegEncContext * s, DCTELEM block[6][64], int dir[6], uint8_t *st[6], int zigzag_last_index[6]) { int i, n; memcpy(s->block_last_index, zigzag_last_index, sizeof(int)*6); for(n=0; n<6; n++){ int16_t *ac_val = s->ac_val[0][0] + s->block_index[n] * 16; st[n]= s->intra_scantable.permutated; if(dir[n]){ for(i=1; i<8; i++){ block[n][s->dsp.idct_permutation[i ]] = ac_val[i+8]; } }else{ for(i=1; i<8; i++){ block[n][s->dsp.idct_permutation[i<<3]]= ac_val[i ]; } } } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h263.c/#L487
d2a_code_data_45531
static int createImageSection(uint32 sectsize, unsigned char **sect_buff_ptr) { unsigned char *sect_buff = NULL; unsigned char *new_buff = NULL; static uint32 prev_sectsize = 0; sect_buff = *sect_buff_ptr; if (!sect_buff) { sect_buff = (unsigned char *)_TIFFmalloc(sectsize); *sect_buff_ptr = sect_buff; _TIFFmemset(sect_buff, 0, sectsize); } else { if (prev_sectsize < sectsize) { new_buff = _TIFFrealloc(sect_buff, sectsize); if (!new_buff) { free (sect_buff); sect_buff = (unsigned char *)_TIFFmalloc(sectsize); } else sect_buff = new_buff; _TIFFmemset(sect_buff, 0, sectsize); } } if (!sect_buff) { TIFFError("createImageSection", "Unable to allocate/reallocate section buffer"); return (-1); } prev_sectsize = sectsize; *sect_buff_ptr = sect_buff; return (0); }
https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/tools/tiffcrop.c/#L7190
d2a_code_data_45532
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_45533
static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap) { RTSPState *rt = s->priv_data; RTSPStream *rtsp_st; int size, i, err; char *content; char url[1024]; if (!ff_network_init()) return AVERROR(EIO); content = av_malloc(SDP_MAX_SIZE); size = avio_read(s->pb, content, SDP_MAX_SIZE - 1); if (size <= 0) { av_free(content); return AVERROR_INVALIDDATA; } content[size] ='\0'; err = ff_sdp_parse(s, content); av_free(content); if (err) goto fail; for (i = 0; i < rt->nb_rtsp_streams; i++) { char namebuf[50]; rtsp_st = rt->rtsp_streams[i]; getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip), namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST); ff_url_join(url, sizeof(url), "rtp", NULL, namebuf, rtsp_st->sdp_port, "?localport=%d&ttl=%d", rtsp_st->sdp_port, rtsp_st->sdp_ttl); if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE) < 0) { err = AVERROR_INVALIDDATA; goto fail; } if ((err = rtsp_open_transport_ctx(s, rtsp_st))) goto fail; } return 0; fail: ff_rtsp_close_streams(s); ff_network_close(); return err; }
https://github.com/libav/libav/blob/771339ca206468636a64a6041852068be2da3dd2/libavformat/rtsp.c/#L1797
d2a_code_data_45534
int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt, int saltlen, int iter, const EVP_MD *digest, int keylen, unsigned char *out) { const char *empty = ""; unsigned char digtmp[EVP_MAX_MD_SIZE], *p, itmp[4]; int cplen, j, k, tkeylen, mdlen; unsigned long i = 1; HMAC_CTX *hctx_tpl = NULL, *hctx = NULL; mdlen = EVP_MD_size(digest); if (mdlen < 0) return 0; hctx_tpl = HMAC_CTX_new(); if (hctx_tpl == NULL) return 0; p = out; tkeylen = keylen; if (pass == NULL) { pass = empty; passlen = 0; } else if (passlen == -1) { passlen = strlen(pass); } if (!HMAC_Init_ex(hctx_tpl, pass, passlen, digest, NULL)) { HMAC_CTX_free(hctx_tpl); return 0; } hctx = HMAC_CTX_new(); if (hctx == NULL) { HMAC_CTX_free(hctx_tpl); return 0; } while (tkeylen) { if (tkeylen > mdlen) cplen = mdlen; else cplen = tkeylen; itmp[0] = (unsigned char)((i >> 24) & 0xff); itmp[1] = (unsigned char)((i >> 16) & 0xff); itmp[2] = (unsigned char)((i >> 8) & 0xff); itmp[3] = (unsigned char)(i & 0xff); if (!HMAC_CTX_copy(hctx, hctx_tpl)) { HMAC_CTX_free(hctx); HMAC_CTX_free(hctx_tpl); return 0; } if (!HMAC_Update(hctx, salt, saltlen) || !HMAC_Update(hctx, itmp, 4) || !HMAC_Final(hctx, digtmp, NULL)) { HMAC_CTX_free(hctx); HMAC_CTX_free(hctx_tpl); return 0; } memcpy(p, digtmp, cplen); for (j = 1; j < iter; j++) { if (!HMAC_CTX_copy(hctx, hctx_tpl)) { HMAC_CTX_free(hctx); HMAC_CTX_free(hctx_tpl); return 0; } if (!HMAC_Update(hctx, digtmp, mdlen) || !HMAC_Final(hctx, digtmp, NULL)) { HMAC_CTX_free(hctx); HMAC_CTX_free(hctx_tpl); return 0; } for (k = 0; k < cplen; k++) p[k] ^= digtmp[k]; } tkeylen -= cplen; i++; p += cplen; } HMAC_CTX_free(hctx); HMAC_CTX_free(hctx_tpl); # ifdef OPENSSL_DEBUG_PKCS5V2 fprintf(stderr, "Password:\n"); h__dump(pass, passlen); fprintf(stderr, "Salt:\n"); h__dump(salt, saltlen); fprintf(stderr, "Iteration count %d\n", iter); fprintf(stderr, "Key:\n"); h__dump(out, keylen); # endif return 1; }
https://github.com/openssl/openssl/blob/1bc563caa144a568fc505f210568f5ac5b66315e/crypto/evp/p5_crpt2.c/#L92
d2a_code_data_45535
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_45536
static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv, EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc) { HANDSHAKE_EX_DATA *ex_data = (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); ex_data->session_ticket_do_not_call = 1; return 0; }
https://github.com/openssl/openssl/blob/7f9ae88817ddf0aac5c6bd95d9a5af1c54ed5bbf/test/handshake_helper.c/#L201
d2a_code_data_45537
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_45538
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align) { int line_size; int sample_size = av_get_bytes_per_sample(sample_fmt); int planar = av_sample_fmt_is_planar(sample_fmt); if (!sample_size || nb_samples <= 0 || nb_channels <= 0) return AVERROR(EINVAL); if (!align) { if (nb_samples > INT_MAX - 31) return AVERROR(EINVAL); align = 1; nb_samples = FFALIGN(nb_samples, 32); } if (nb_channels > INT_MAX / align || (int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size) return AVERROR(EINVAL); line_size = planar ? FFALIGN(nb_samples * sample_size, align) : FFALIGN(nb_samples * sample_size * nb_channels, align); if (linesize) *linesize = line_size; return planar ? line_size * nb_channels : line_size; }
https://github.com/libav/libav/blob/0e830094ad0dc251613a0aa3234d9c5c397e02e6/libavutil/samplefmt.c/#L124
d2a_code_data_45539
MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt) { EVP_PKEY *pkey = NULL; const unsigned char *data; #ifndef OPENSSL_NO_GOST unsigned char *gost_data = NULL; #endif int al = SSL_AD_INTERNAL_ERROR, ret = MSG_PROCESS_ERROR; int type = 0, j, pktype; unsigned int len; X509 *peer; const EVP_MD *md = NULL; size_t hdatalen = 0; void *hdata; unsigned char tls13tbs[TLS13_TBS_PREAMBLE_SIZE + EVP_MAX_MD_SIZE]; EVP_MD_CTX *mctx = EVP_MD_CTX_new(); EVP_PKEY_CTX *pctx = NULL; if (mctx == NULL) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_MALLOC_FAILURE); goto f_err; } peer = s->session->peer; pkey = X509_get0_pubkey(peer); pktype = EVP_PKEY_id(pkey); type = X509_certificate_type(peer, pkey); if (!(type & EVP_PKT_SIGN)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE); al = SSL_AD_ILLEGAL_PARAMETER; goto f_err; } #ifndef OPENSSL_NO_GOST if (PACKET_remaining(pkt) == 64 && EVP_PKEY_id(pkey) == NID_id_GostR3410_2001) { len = 64; } else #endif { if (SSL_USE_SIGALGS(s)) { int rv; unsigned int sigalg; if (!PACKET_get_net_2(pkt, &sigalg)) { al = SSL_AD_DECODE_ERROR; goto f_err; } rv = tls12_check_peer_sigalg(&md, s, sigalg, pkey); if (rv == -1) { 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 } else { int idx = ssl_cert_type(NULL, pkey); if (idx >= 0) md = s->s3->tmp.md[idx]; if (md == NULL) { al = SSL_AD_INTERNAL_ERROR; goto f_err; } } if (!PACKET_get_net_2(pkt, &len)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_LENGTH_MISMATCH); al = SSL_AD_DECODE_ERROR; goto f_err; } } j = EVP_PKEY_size(pkey); if (((int)len > j) || ((int)PACKET_remaining(pkt) > j) || (PACKET_remaining(pkt) == 0)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_WRONG_SIGNATURE_SIZE); al = SSL_AD_DECODE_ERROR; goto f_err; } if (!PACKET_get_bytes(pkt, &data, len)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_LENGTH_MISMATCH); al = SSL_AD_DECODE_ERROR; goto f_err; } if (!get_cert_verify_tbs_data(s, tls13tbs, &hdata, &hdatalen)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_INTERNAL_ERROR); goto f_err; } #ifdef SSL_DEBUG fprintf(stderr, "Using client verify alg %s\n", EVP_MD_name(md)); #endif if (EVP_DigestVerifyInit(mctx, &pctx, md, NULL, pkey) <= 0 || EVP_DigestVerifyUpdate(mctx, hdata, hdatalen) <= 0) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB); goto f_err; } #ifndef OPENSSL_NO_GOST { if (pktype == NID_id_GostR3410_2001 || pktype == NID_id_GostR3410_2012_256 || pktype == NID_id_GostR3410_2012_512) { if ((gost_data = OPENSSL_malloc(len)) == NULL) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_MALLOC_FAILURE); goto f_err; } BUF_reverse(gost_data, data, len); data = gost_data; } } #endif if (SSL_IS_TLS13(s) && pktype == EVP_PKEY_RSA) { if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0 || EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx, -1) <= 0) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB); goto f_err; } } else if (s->version == SSL3_VERSION && !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET, (int)s->session->master_key_length, s->session->master_key)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB); goto f_err; } if (EVP_DigestVerifyFinal(mctx, data, len) <= 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_BAD_SIGNATURE); goto f_err; } if (SSL_IS_TLS13(s)) ret = MSG_PROCESS_CONTINUE_READING; else ret = MSG_PROCESS_CONTINUE_PROCESSING; if (0) { f_err: ssl3_send_alert(s, SSL3_AL_FATAL, al); ossl_statem_set_error(s); } BIO_free(s->s3->handshake_buffer); s->s3->handshake_buffer = NULL; EVP_MD_CTX_free(mctx); #ifndef OPENSSL_NO_GOST OPENSSL_free(gost_data); #endif return ret; }
https://github.com/openssl/openssl/blob/4954fd13b3c71f0f74677b78533f1176e13de032/ssl/statem/statem_lib.c/#L263
d2a_code_data_45540
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/bd01733fdd9a5a0acdc72cf5c6601d37e8ddd801/crypto/bn/bn_lib.c/#L232
d2a_code_data_45541
int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy) { int rv, start_idx, i; if (x == NULL) { x = sk_X509_value(sk, 0); start_idx = 1; } else start_idx = 0; rv = ssl_security_cert(s, NULL, x, vfy, 1); if (rv != 1) return rv; for (i = start_idx; i < sk_X509_num(sk); i++) { x = sk_X509_value(sk, i); rv = ssl_security_cert(s, NULL, x, vfy, 0); if (rv != 1) return rv; } return 1; }
https://github.com/openssl/openssl/blob/2ac7753c107e71bfdcaa08b18eb4e6683292be57/ssl/t1_lib.c/#L4189
d2a_code_data_45542
static int read_sl_header(PESContext *pes, SLConfigDescr *sl, const uint8_t *buf, int buf_size) { GetBitContext gb; int au_start_flag = 0, au_end_flag = 0, ocr_flag = 0, idle_flag = 0; int padding_flag = 0, padding_bits = 0, inst_bitrate_flag = 0; int dts_flag = -1, cts_flag = -1; int64_t dts = AV_NOPTS_VALUE, cts = AV_NOPTS_VALUE; init_get_bits(&gb, buf, buf_size*8); if (sl->use_au_start) au_start_flag = get_bits1(&gb); if (sl->use_au_end) au_end_flag = get_bits1(&gb); if (!sl->use_au_start && !sl->use_au_end) au_start_flag = au_end_flag = 1; if (sl->ocr_len > 0) ocr_flag = get_bits1(&gb); if (sl->use_idle) idle_flag = get_bits1(&gb); if (sl->use_padding) padding_flag = get_bits1(&gb); if (padding_flag) padding_bits = get_bits(&gb, 3); if (!idle_flag && (!padding_flag || padding_bits != 0)) { if (sl->packet_seq_num_len) skip_bits_long(&gb, sl->packet_seq_num_len); if (sl->degr_prior_len) if (get_bits1(&gb)) skip_bits(&gb, sl->degr_prior_len); if (ocr_flag) skip_bits_long(&gb, sl->ocr_len); if (au_start_flag) { if (sl->use_rand_acc_pt) get_bits1(&gb); if (sl->au_seq_num_len > 0) skip_bits_long(&gb, sl->au_seq_num_len); if (sl->use_timestamps) { dts_flag = get_bits1(&gb); cts_flag = get_bits1(&gb); } } if (sl->inst_bitrate_len) inst_bitrate_flag = get_bits1(&gb); if (dts_flag == 1) dts = get_bits64(&gb, sl->timestamp_len); if (cts_flag == 1) cts = get_bits64(&gb, sl->timestamp_len); if (sl->au_len > 0) skip_bits_long(&gb, sl->au_len); if (inst_bitrate_flag) skip_bits_long(&gb, sl->inst_bitrate_len); } if (dts != AV_NOPTS_VALUE) pes->dts = dts; if (cts != AV_NOPTS_VALUE) pes->pts = cts; if (sl->timestamp_len && sl->timestamp_res) avpriv_set_pts_info(pes->st, sl->timestamp_len, 1, sl->timestamp_res); return (get_bits_count(&gb) + 7) >> 3; }
https://github.com/libav/libav/blob/e5356ebf2216918ad6351d4caa8b58c881c4b0ea/libavformat/mpegts.c/#L694
d2a_code_data_45543
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_45544
int is_partially_overlapping(const void *ptr1, const void *ptr2, int len) { PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2; int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) | (diff > (0 - (PTRDIFF_T)len))); assert(!overlapped); return overlapped; }
https://github.com/openssl/openssl/blob/7141ba31969d0b378d08104a51f8f99b9187b9d5/crypto/evp/evp_enc.c/#L288
d2a_code_data_45545
int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy) { int rv, start_idx, i; if (x == NULL) { x = sk_X509_value(sk, 0); start_idx = 1; } else start_idx = 0; rv = ssl_security_cert(s, NULL, x, vfy, 1); if (rv != 1) return rv; for (i = start_idx; i < sk_X509_num(sk); i++) { x = sk_X509_value(sk, i); rv = ssl_security_cert(s, NULL, x, vfy, 0); if (rv != 1) return rv; } return 1; }
https://github.com/openssl/openssl/blob/0d9824c1712b6cacd9b0ecfba26fb66ae4badfb4/ssl/t1_lib.c/#L4396
d2a_code_data_45546
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const uint8_t *buf, int buf_size) { ZmbvContext * const c = avctx->priv_data; uint8_t *outptr; int zret = Z_OK; int len = buf_size; int hi_ver, lo_ver; if(c->pic.data[0]) avctx->release_buffer(avctx, &c->pic); c->pic.reference = 1; c->pic.buffer_hints = FF_BUFFER_HINTS_VALID; if(avctx->get_buffer(avctx, &c->pic) < 0){ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return -1; } outptr = c->pic.data[0]; c->flags = buf[0]; buf++; len--; if(c->flags & ZMBV_KEYFRAME) { hi_ver = buf[0]; lo_ver = buf[1]; c->comp = buf[2]; c->fmt = buf[3]; c->bw = buf[4]; c->bh = buf[5]; buf += 6; len -= 6; av_log(avctx, AV_LOG_DEBUG, "Flags=%X ver=%i.%i comp=%i fmt=%i blk=%ix%i\n",c->flags,hi_ver,lo_ver,c->comp,c->fmt,c->bw,c->bh); if(hi_ver != 0 || lo_ver != 1) { av_log(avctx, AV_LOG_ERROR, "Unsupported version %i.%i\n", hi_ver, lo_ver); return -1; } if(c->bw == 0 || c->bh == 0) { av_log(avctx, AV_LOG_ERROR, "Unsupported block size %ix%i\n", c->bw, c->bh); } if(c->comp != 0 && c->comp != 1) { av_log(avctx, AV_LOG_ERROR, "Unsupported compression type %i\n", c->comp); return -1; } switch(c->fmt) { case ZMBV_FMT_8BPP: c->bpp = 8; c->decode_intra = zmbv_decode_intra; c->decode_xor = zmbv_decode_xor_8; break; case ZMBV_FMT_15BPP: case ZMBV_FMT_16BPP: c->bpp = 16; c->decode_intra = zmbv_decode_intra; c->decode_xor = zmbv_decode_xor_16; break; #ifdef ZMBV_ENABLE_24BPP case ZMBV_FMT_24BPP: c->bpp = 24; c->decode_intra = zmbv_decode_intra; c->decode_xor = zmbv_decode_xor_24; break; #endif case ZMBV_FMT_32BPP: c->bpp = 32; c->decode_intra = zmbv_decode_intra; c->decode_xor = zmbv_decode_xor_32; break; default: c->decode_intra = NULL; c->decode_xor = NULL; av_log(avctx, AV_LOG_ERROR, "Unsupported (for now) format %i\n", c->fmt); return -1; } zret = inflateReset(&c->zstream); if (zret != Z_OK) { av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret); return -1; } c->cur = av_realloc(c->cur, avctx->width * avctx->height * (c->bpp / 8)); c->prev = av_realloc(c->prev, avctx->width * avctx->height * (c->bpp / 8)); c->bx = (c->width + c->bw - 1) / c->bw; c->by = (c->height+ c->bh - 1) / c->bh; } if(c->decode_intra == NULL) { av_log(avctx, AV_LOG_ERROR, "Error! Got no format or no keyframe!\n"); return -1; } if(c->comp == 0) { memcpy(c->decomp_buf, buf, len); c->decomp_size = 1; } else { c->zstream.total_in = c->zstream.total_out = 0; c->zstream.next_in = buf; c->zstream.avail_in = len; c->zstream.next_out = c->decomp_buf; c->zstream.avail_out = c->decomp_size; inflate(&c->zstream, Z_FINISH); c->decomp_len = c->zstream.total_out; } if(c->flags & ZMBV_KEYFRAME) { c->pic.key_frame = 1; c->pic.pict_type = FF_I_TYPE; c->decode_intra(c); } else { c->pic.key_frame = 0; c->pic.pict_type = FF_P_TYPE; if(c->decomp_len) c->decode_xor(c); } { uint8_t *out, *src; int i, j; out = c->pic.data[0]; src = c->cur; switch(c->fmt) { case ZMBV_FMT_8BPP: for(j = 0; j < c->height; j++) { for(i = 0; i < c->width; i++) { out[i * 3 + 0] = c->pal[(*src) * 3 + 0]; out[i * 3 + 1] = c->pal[(*src) * 3 + 1]; out[i * 3 + 2] = c->pal[(*src) * 3 + 2]; src++; } out += c->pic.linesize[0]; } break; case ZMBV_FMT_15BPP: for(j = 0; j < c->height; j++) { for(i = 0; i < c->width; i++) { uint16_t tmp = AV_RL16(src); src += 2; out[i * 3 + 0] = (tmp & 0x7C00) >> 7; out[i * 3 + 1] = (tmp & 0x03E0) >> 2; out[i * 3 + 2] = (tmp & 0x001F) << 3; } out += c->pic.linesize[0]; } break; case ZMBV_FMT_16BPP: for(j = 0; j < c->height; j++) { for(i = 0; i < c->width; i++) { uint16_t tmp = AV_RL16(src); src += 2; out[i * 3 + 0] = (tmp & 0xF800) >> 8; out[i * 3 + 1] = (tmp & 0x07E0) >> 3; out[i * 3 + 2] = (tmp & 0x001F) << 3; } out += c->pic.linesize[0]; } break; #ifdef ZMBV_ENABLE_24BPP case ZMBV_FMT_24BPP: for(j = 0; j < c->height; j++) { memcpy(out, src, c->width * 3); src += c->width * 3; out += c->pic.linesize[0]; } break; #endif case ZMBV_FMT_32BPP: for(j = 0; j < c->height; j++) { for(i = 0; i < c->width; i++) { uint32_t tmp = AV_RL32(src); src += 4; AV_WB24(out+(i*3), tmp); } out += c->pic.linesize[0]; } break; default: av_log(avctx, AV_LOG_ERROR, "Cannot handle format %i\n", c->fmt); } memcpy(c->prev, c->cur, c->width * c->height * (c->bpp / 8)); } *data_size = sizeof(AVFrame); *(AVFrame*)data = c->pic; return buf_size; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/zmbv.c/#L566
d2a_code_data_45547
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_45548
int test_gf2m_add(BIO *bp) { BIGNUM *a, *b, *c; int i, ret = 0; a = BN_new(); b = BN_new(); c = BN_new(); for (i = 0; i < num0; i++) { BN_rand(a, 512, 0, 0); BN_copy(b, BN_value_one()); a->neg = rand_neg(); b->neg = rand_neg(); BN_GF2m_add(c, a, b); if ((BN_is_odd(a) && BN_is_odd(c)) || (!BN_is_odd(a) && !BN_is_odd(c))) { fprintf(stderr, "GF(2^m) addition test (a) failed!\n"); goto err; } BN_GF2m_add(c, c, c); if (!BN_is_zero(c)) { fprintf(stderr, "GF(2^m) addition test (b) failed!\n"); goto err; } } ret = 1; err: BN_free(a); BN_free(b); BN_free(c); return ret; }
https://github.com/openssl/openssl/blob/d9e309a675900030d7308e36f614962a344816f9/test/bntest.c/#L1253
d2a_code_data_45549
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/#L1125
d2a_code_data_45550
static void frame_end(MpegEncContext *s) { int i; if (s->unrestricted_mv && s->current_picture.reference && !s->intra_only) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt); int hshift = desc->log2_chroma_w; int vshift = desc->log2_chroma_h; s->mpvencdsp.draw_edges(s->current_picture.f->data[0], s->linesize, s->h_edge_pos, s->v_edge_pos, EDGE_WIDTH, EDGE_WIDTH, EDGE_TOP | EDGE_BOTTOM); s->mpvencdsp.draw_edges(s->current_picture.f->data[1], s->uvlinesize, s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, EDGE_TOP | EDGE_BOTTOM); s->mpvencdsp.draw_edges(s->current_picture.f->data[2], s->uvlinesize, s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, EDGE_TOP | EDGE_BOTTOM); } emms_c(); s->last_pict_type = s->pict_type; s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f->quality; if (s->pict_type!= AV_PICTURE_TYPE_B) s->last_non_b_pict_type = s->pict_type; if (s->encoding) { for (i = 0; i < MAX_PICTURE_COUNT; i++) { if (!s->picture[i].reference) ff_mpeg_unref_picture(s->avctx, &s->picture[i]); } } #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS av_frame_copy_props(s->avctx->coded_frame, s->current_picture.f); FF_ENABLE_DEPRECATION_WARNINGS #endif #if FF_API_ERROR_FRAME FF_DISABLE_DEPRECATION_WARNINGS memcpy(s->current_picture.f->error, s->current_picture.encoding_error, sizeof(s->current_picture.encoding_error)); FF_ENABLE_DEPRECATION_WARNINGS #endif }
https://github.com/libav/libav/blob/27eeee76b2546fd313808997b3d07ba9cce94551/libavcodec/mpegvideo_enc.c/#L1442
d2a_code_data_45551
IMPLEMENT_new_ctx(cbc, CBC, 256)
https://github.com/openssl/openssl/blob/f79858ac4d90a450d0620d1ecb713bc35d7d9f8d/providers/common/ciphers/aes.c/#L292
d2a_code_data_45552
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ MotionEstContext * const c= &s->me; const int stride= c->stride; const int uvstride= c->uvstride; const int qpel= flags&FLAG_QPEL; const int chroma= flags&FLAG_CHROMA; const int dxy= subx + (suby<<(1+qpel)); const int hx= subx + (x<<(1+qpel)); const int hy= suby + (y<<(1+qpel)); uint8_t * const * const ref= c->ref[ref_index]; uint8_t * const * const src= c->src[src_index]; int d; if(flags&FLAG_DIRECT){ assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)); if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){ const int time_pp= s->pp_time; const int time_pb= s->pb_time; const int mask= 2*qpel+1; if(s->mv_type==MV_TYPE_8X8){ int i; for(i=0; i<4; i++){ int fx = c->direct_basis_mv[i][0] + hx; int fy = c->direct_basis_mv[i][1] + hy; int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4)); int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4)); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1); if(qpel){ c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride); c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride); }else{ c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8); c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8); } } }else{ int fx = c->direct_basis_mv[0][0] + hx; int fy = c->direct_basis_mv[0][1] + hy; int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp); int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); if(qpel){ c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride); c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride); c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride); c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride); c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride); c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride); c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride); c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride); }else{ assert((fx>>1) + 16*s->mb_x >= -16); assert((fy>>1) + 16*s->mb_y >= -16); assert((fx>>1) + 16*s->mb_x <= s->width); assert((fy>>1) + 16*s->mb_y <= s->height); assert((bx>>1) + 16*s->mb_x >= -16); assert((by>>1) + 16*s->mb_y >= -16); assert((bx>>1) + 16*s->mb_x <= s->width); assert((by>>1) + 16*s->mb_y <= s->height); c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16); c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16); } } d = cmp_func(s, c->temp, src[0], stride, 16); }else d= 256*256*256*32; }else{ int uvdxy; if(dxy){ if(qpel){ c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); if(chroma){ int cx= hx/2; int cy= hy/2; cx= (cx>>1)|(cx&1); cy= (cy>>1)|(cy&1); uvdxy= (cx&1) + 2*(cy&1); } }else{ c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= dxy | (x&1) | (2*(y&1)); } d = cmp_func(s, c->temp, src[0], stride, h); }else{ d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= (x&1) + 2*(y&1); } if(chroma){ uint8_t * const uvtemp= c->temp + 16*stride; c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1); d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); } } #if 0 if(full_pel){ const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1); score_map[index]= d; } d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor; #endif return d; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L208
d2a_code_data_45553
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; oc->interrupt_callback = int_cb; av_strlcpy(oc->filename, filename, sizeof(oc->filename)); 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_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 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_open2(&oc->pb, filename, AVIO_FLAG_WRITE, &oc->interrupt_callback, &output_files[nb_output_files - 1].opts)) < 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; for (i = 0; i < o->nb_metadata_map; i++) { char *p; int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0); if (in_file_index < 0) continue; if (in_file_index >= nb_input_files) { av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index); exit_program(1); } copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o); } 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); 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; const char *stream_spec; int index = 0, j, ret; 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, &stream_spec); if (type == 's') { for (j = 0; j < oc->nb_streams; j++) { if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) { av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0); } else if (ret < 0) exit_program(1); } printf("ret %d, stream_spec %s\n", ret, stream_spec); } else { switch (type) { case 'g': m = &oc->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/4bf3c8f226252e18de8051fd0d417c1d39857b67/avconv.c/#L3614