id
int64
1
36.7k
label
int64
0
1
bug_url
stringlengths
91
134
bug_function
stringlengths
13
72.7k
functions
stringlengths
17
79.2k
5,701
0
https://github.com/openssl/openssl/blob/183733f882056ea3e6fe95e665b85fcc6a45dcb4/crypto/mem.c/#L244
void CRYPTO_free(void *str) { #ifndef OPENSSL_NO_CRYPTO_MDEBUG if (call_malloc_debug) { CRYPTO_mem_debug_free(str, 0); free(str); CRYPTO_mem_debug_free(str, 1); } else { free(str); } #else free(str); #endif }
['ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str)\n{\n ASN1_STRING *ret;\n if (!str)\n return NULL;\n ret = ASN1_STRING_new();\n if (ret == NULL)\n return NULL;\n if (!ASN1_STRING_copy(ret, str)) {\n ASN1_STRING_free(ret);\n return NULL;\n }\n return ret;\n}', 'int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str)\n{\n if (str == NULL)\n return 0;\n dst->type = str->type;\n if (!ASN1_STRING_set(dst, str->data, str->length))\n return 0;\n dst->flags &= ASN1_STRING_FLAG_EMBED;\n dst->flags |= str->flags & ~ASN1_STRING_FLAG_EMBED;\n return 1;\n}', "int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len)\n{\n unsigned char *c;\n const char *data = _data;\n if (len < 0) {\n if (data == NULL)\n return (0);\n else\n len = strlen(data);\n }\n if ((str->length < len) || (str->data == NULL)) {\n c = str->data;\n str->data = OPENSSL_realloc(c, len + 1);\n if (str->data == NULL) {\n ASN1err(ASN1_F_ASN1_STRING_SET, ERR_R_MALLOC_FAILURE);\n str->data = c;\n return (0);\n }\n }\n str->length = len;\n if (data != NULL) {\n memcpy(str->data, data, len);\n str->data[len] = '\\0';\n }\n return (1);\n}", 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return CRYPTO_malloc(num, file, line);\n if (num == 0) {\n CRYPTO_free(str);\n return NULL;\n }\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n void *ret;\n CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n ret = realloc(str, num);\n CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n return ret;\n }\n#else\n (void)file;\n (void)line;\n#endif\n return realloc(str, num);\n}', 'void CRYPTO_free(void *str)\n{\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0);\n free(str);\n CRYPTO_mem_debug_free(str, 1);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}', 'void ASN1_STRING_free(ASN1_STRING *a)\n{\n if (a == NULL)\n return;\n if (!(a->flags & ASN1_STRING_FLAG_NDEF))\n OPENSSL_free(a->data);\n if (!(a->flags & ASN1_STRING_FLAG_EMBED))\n OPENSSL_free(a);\n}']
5,702
0
https://github.com/openssl/openssl/blob/9639515871c73722de3fff04d3c50d54aa6b1477/ssl/ssl_cert.c/#L708
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, const char *dir) { DIR *d; struct dirent *dstruct; int ret = 0; CRYPTO_w_lock(CRYPTO_LOCK_READDIR); d = opendir(dir); if(!d) { SYSerr(SYS_F_OPENDIR, get_last_sys_error()); ERR_add_error_data(3, "opendir('", dir, "')"); SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); goto err; } while((dstruct=readdir(d))) { char buf[1024]; if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) { SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); goto err; } sprintf(buf,"%s/%s",dir,dstruct->d_name); if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) goto err; } ret = 1; err: CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); return ret; }
['int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,\n\t\t\t\t const char *dir)\n {\n DIR *d;\n struct dirent *dstruct;\n int ret = 0;\n CRYPTO_w_lock(CRYPTO_LOCK_READDIR);\n d = opendir(dir);\n if(!d)\n\t{\n\tSYSerr(SYS_F_OPENDIR, get_last_sys_error());\n\tERR_add_error_data(3, "opendir(\'", dir, "\')");\n\tSSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);\n\tgoto err;\n\t}\n while((dstruct=readdir(d)))\n\t{\n\tchar buf[1024];\n\tif(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf)\n\t {\n\t SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);\n\t goto err;\n\t }\n\tsprintf(buf,"%s/%s",dir,dstruct->d_name);\n\tif(!SSL_add_file_cert_subjects_to_stack(stack,buf))\n\t goto err;\n\t}\n ret = 1;\nerr:\n CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);\n return ret;\n }', 'void CRYPTO_lock(int mode, int type, const char *file, int line)\n\t{\n#ifdef LOCK_DEBUG\n\t\t{\n\t\tchar *rw_text,*operation_text;\n\t\tif (mode & CRYPTO_LOCK)\n\t\t\toperation_text="lock ";\n\t\telse if (mode & CRYPTO_UNLOCK)\n\t\t\toperation_text="unlock";\n\t\telse\n\t\t\toperation_text="ERROR ";\n\t\tif (mode & CRYPTO_READ)\n\t\t\trw_text="r";\n\t\telse if (mode & CRYPTO_WRITE)\n\t\t\trw_text="w";\n\t\telse\n\t\t\trw_text="ERROR";\n\t\tfprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\\n",\n\t\t\tCRYPTO_thread_id(), rw_text, operation_text,\n\t\t\tCRYPTO_get_lock_name(type), file, line);\n\t\t}\n#endif\n\tif (locking_callback != NULL)\n\t\tlocking_callback(mode,type,file,line);\n\t}']
5,703
0
https://github.com/openssl/openssl/blob/15db6a40d3569789329d3f6f84e47e0e0e8f9caa/ssl/packet_locl.h/#L83
static inline void packet_forward(PACKET *pkt, size_t len) { pkt->curr += len; pkt->remaining -= len; }
['static int test_PACKET_forward(unsigned char buf[BUF_LEN])\n{\n unsigned char *byte;\n PACKET pkt;\n if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)\n || !PACKET_forward(&pkt, 1)\n || !PACKET_get_bytes(&pkt, &byte, 1)\n || byte[0] != 4\n || !PACKET_forward(&pkt, BUF_LEN - 3)\n || !PACKET_get_bytes(&pkt, &byte, 1)\n || byte[0] != 0xfe) {\n fprintf(stderr, "test_PACKET_forward() failed\\n");\n return 0;\n }\n return 1;\n}', '__owur static inline int PACKET_buf_init(PACKET *pkt, unsigned char *buf,\n size_t len)\n{\n if (len > (size_t)(SIZE_MAX / 2))\n return 0;\n pkt->curr = buf;\n pkt->remaining = len;\n return 1;\n}', '__owur static inline int PACKET_forward(PACKET *pkt, size_t len)\n{\n if (PACKET_remaining(pkt) < len)\n return 0;\n packet_forward(pkt, len);\n return 1;\n}', '__owur static inline int PACKET_get_bytes(PACKET *pkt, unsigned char **data,\n size_t len)\n{\n if (!PACKET_peek_bytes(pkt, data, len))\n return 0;\n packet_forward(pkt, len);\n return 1;\n}', '__owur static inline int PACKET_peek_bytes(const PACKET *pkt, unsigned char **data,\n size_t len)\n{\n if (PACKET_remaining(pkt) < len)\n return 0;\n *data = pkt->curr;\n return 1;\n}', 'static inline void packet_forward(PACKET *pkt, size_t len)\n{\n pkt->curr += len;\n pkt->remaining -= len;\n}']
5,704
0
https://gitlab.com/libtiff/libtiff/blob/9c243a11a35d118d00ef8947d244ac55c4145640/tools/tiffcrop.c/#L7639
static int createCroppedImage(struct image_data *image, struct crop_mask *crop, unsigned char **read_buff_ptr, unsigned char **crop_buff_ptr) { tsize_t cropsize; unsigned char *read_buff = NULL; unsigned char *crop_buff = NULL; unsigned char *new_buff = NULL; static tsize_t prev_cropsize = 0; read_buff = *read_buff_ptr; crop_buff = read_buff; *crop_buff_ptr = read_buff; crop->combined_width = image->width; crop->combined_length = image->length; cropsize = crop->bufftotal; crop_buff = *crop_buff_ptr; if (!crop_buff) { crop_buff = (unsigned char *)_TIFFmalloc(cropsize); *crop_buff_ptr = crop_buff; _TIFFmemset(crop_buff, 0, cropsize); prev_cropsize = cropsize; } else { if (prev_cropsize < cropsize) { new_buff = _TIFFrealloc(crop_buff, cropsize); if (!new_buff) { free (crop_buff); crop_buff = (unsigned char *)_TIFFmalloc(cropsize); } else crop_buff = new_buff; _TIFFmemset(crop_buff, 0, cropsize); } } if (!crop_buff) { TIFFError("createCroppedImage", "Unable to allocate/reallocate crop buffer"); return (-1); } *crop_buff_ptr = crop_buff; if (crop->crop_mode & CROP_INVERT) { switch (crop->photometric) { case PHOTOMETRIC_MINISWHITE: case PHOTOMETRIC_MINISBLACK: image->photometric = crop->photometric; break; case INVERT_DATA_ONLY: case INVERT_DATA_AND_TAG: if (invertImage(image->photometric, image->spp, image->bps, crop->combined_width, crop->combined_length, crop_buff)) { TIFFError("createCroppedImage", "Failed to invert colorspace for image or cropped selection"); return (-1); } if (crop->photometric == INVERT_DATA_AND_TAG) { switch (image->photometric) { case PHOTOMETRIC_MINISWHITE: image->photometric = PHOTOMETRIC_MINISBLACK; break; case PHOTOMETRIC_MINISBLACK: image->photometric = PHOTOMETRIC_MINISWHITE; break; default: break; } } break; default: break; } } if (crop->crop_mode & CROP_MIRROR) { if (mirrorImage(image->spp, image->bps, crop->mirror, crop->combined_width, crop->combined_length, crop_buff)) { TIFFError("createCroppedImage", "Failed to mirror image or cropped selection %s", (crop->rotation == MIRROR_HORIZ) ? "horizontally" : "vertically"); return (-1); } } if (crop->crop_mode & CROP_ROTATE) { if (rotateImage(crop->rotation, image, &crop->combined_width, &crop->combined_length, crop_buff_ptr)) { TIFFError("createCroppedImage", "Failed to rotate image or cropped selection by %d degrees", crop->rotation); return (-1); } } if (crop_buff == read_buff) *read_buff_ptr = NULL; return (0); }
['static int\ncreateCroppedImage(struct image_data *image, struct crop_mask *crop,\n unsigned char **read_buff_ptr, unsigned char **crop_buff_ptr)\n {\n tsize_t cropsize;\n unsigned char *read_buff = NULL;\n unsigned char *crop_buff = NULL;\n unsigned char *new_buff = NULL;\n static tsize_t prev_cropsize = 0;\n read_buff = *read_buff_ptr;\n crop_buff = read_buff;\n *crop_buff_ptr = read_buff;\n crop->combined_width = image->width;\n crop->combined_length = image->length;\n cropsize = crop->bufftotal;\n crop_buff = *crop_buff_ptr;\n if (!crop_buff)\n {\n crop_buff = (unsigned char *)_TIFFmalloc(cropsize);\n *crop_buff_ptr = crop_buff;\n _TIFFmemset(crop_buff, 0, cropsize);\n prev_cropsize = cropsize;\n }\n else\n {\n if (prev_cropsize < cropsize)\n {\n new_buff = _TIFFrealloc(crop_buff, cropsize);\n if (!new_buff)\n {\n\tfree (crop_buff);\n crop_buff = (unsigned char *)_TIFFmalloc(cropsize);\n }\n else\n crop_buff = new_buff;\n _TIFFmemset(crop_buff, 0, cropsize);\n }\n }\n if (!crop_buff)\n {\n TIFFError("createCroppedImage", "Unable to allocate/reallocate crop buffer");\n return (-1);\n }\n *crop_buff_ptr = crop_buff;\n if (crop->crop_mode & CROP_INVERT)\n {\n switch (crop->photometric)\n {\n case PHOTOMETRIC_MINISWHITE:\n case PHOTOMETRIC_MINISBLACK:\n\t image->photometric = crop->photometric;\n\t break;\n case INVERT_DATA_ONLY:\n case INVERT_DATA_AND_TAG:\n if (invertImage(image->photometric, image->spp, image->bps,\n crop->combined_width, crop->combined_length, crop_buff))\n {\n TIFFError("createCroppedImage",\n "Failed to invert colorspace for image or cropped selection");\n return (-1);\n }\n if (crop->photometric == INVERT_DATA_AND_TAG)\n {\n switch (image->photometric)\n {\n case PHOTOMETRIC_MINISWHITE:\n \t image->photometric = PHOTOMETRIC_MINISBLACK;\n\t break;\n case PHOTOMETRIC_MINISBLACK:\n \t image->photometric = PHOTOMETRIC_MINISWHITE;\n\t break;\n default:\n\t break;\n\t }\n\t }\n break;\n default: break;\n }\n }\n if (crop->crop_mode & CROP_MIRROR)\n {\n if (mirrorImage(image->spp, image->bps, crop->mirror,\n crop->combined_width, crop->combined_length, crop_buff))\n {\n TIFFError("createCroppedImage", "Failed to mirror image or cropped selection %s",\n\t (crop->rotation == MIRROR_HORIZ) ? "horizontally" : "vertically");\n return (-1);\n }\n }\n if (crop->crop_mode & CROP_ROTATE)\n {\n if (rotateImage(crop->rotation, image, &crop->combined_width,\n &crop->combined_length, crop_buff_ptr))\n {\n TIFFError("createCroppedImage",\n "Failed to rotate image or cropped selection by %d degrees", crop->rotation);\n return (-1);\n }\n }\n if (crop_buff == read_buff)\n *read_buff_ptr = NULL;\n return (0);\n }', 'void*\n_TIFFrealloc(void* p, tmsize_t s)\n{\n\treturn (realloc(p, (size_t) s));\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n if (s == 0)\n return ((void *) NULL);\n\treturn (malloc((size_t) s));\n}', 'void\n_TIFFmemset(void* p, int v, tmsize_t c)\n{\n\tmemset(p, v, (size_t) c);\n}']
5,705
0
https://github.com/libav/libav/blob/cc20fbcd39c7b60602edae4f7deb092ecfd3c975/libavcodec/mpegvideo_enc.c/#L1065
static int estimate_best_b_count(MpegEncContext *s) { AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id); AVCodecContext *c = avcodec_alloc_context3(NULL); const int scale = s->avctx->brd_scale; int i, j, out_size, p_lambda, b_lambda, lambda2; int64_t best_rd = INT64_MAX; int best_b_count = -1; assert(scale >= 0 && scale <= 3); p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P]; b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B]; if (!b_lambda) b_lambda = p_lambda; lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >> FF_LAMBDA_SHIFT; c->width = s->width >> scale; c->height = s->height >> scale; c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED ; c->flags |= s->avctx->flags & CODEC_FLAG_QPEL; c->mb_decision = s->avctx->mb_decision; c->me_cmp = s->avctx->me_cmp; c->mb_cmp = s->avctx->mb_cmp; c->me_sub_cmp = s->avctx->me_sub_cmp; c->pix_fmt = AV_PIX_FMT_YUV420P; c->time_base = s->avctx->time_base; c->max_b_frames = s->max_b_frames; if (avcodec_open2(c, codec, NULL) < 0) return -1; for (i = 0; i < s->max_b_frames + 2; i++) { Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] : s->next_picture_ptr; if (pre_input_ptr && (!i || s->input_picture[i - 1])) { pre_input = *pre_input_ptr; if (!pre_input.shared && i) { pre_input.f.data[0] += INPLACE_OFFSET; pre_input.f.data[1] += INPLACE_OFFSET; pre_input.f.data[2] += INPLACE_OFFSET; } s->dsp.shrink[scale](s->tmp_frames[i]->data[0], s->tmp_frames[i]->linesize[0], pre_input.f.data[0], pre_input.f.linesize[0], c->width, c->height); s->dsp.shrink[scale](s->tmp_frames[i]->data[1], s->tmp_frames[i]->linesize[1], pre_input.f.data[1], pre_input.f.linesize[1], c->width >> 1, c->height >> 1); s->dsp.shrink[scale](s->tmp_frames[i]->data[2], s->tmp_frames[i]->linesize[2], pre_input.f.data[2], pre_input.f.linesize[2], c->width >> 1, c->height >> 1); } } for (j = 0; j < s->max_b_frames + 1; j++) { int64_t rd = 0; if (!s->input_picture[j]) break; c->error[0] = c->error[1] = c->error[2] = 0; s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I; s->tmp_frames[0]->quality = 1 * FF_QP2LAMBDA; out_size = encode_frame(c, s->tmp_frames[0]); for (i = 0; i < s->max_b_frames + 1; i++) { int is_p = i % (j + 1) == j || i == s->max_b_frames; s->tmp_frames[i + 1]->pict_type = is_p ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B; s->tmp_frames[i + 1]->quality = is_p ? p_lambda : b_lambda; out_size = encode_frame(c, s->tmp_frames[i + 1]); rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); } while (out_size) { out_size = encode_frame(c, NULL); rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); } rd += c->error[0] + c->error[1] + c->error[2]; if (rd < best_rd) { best_rd = rd; best_b_count = j; } } avcodec_close(c); av_freep(&c); return best_b_count; }
['static int estimate_best_b_count(MpegEncContext *s)\n{\n AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);\n AVCodecContext *c = avcodec_alloc_context3(NULL);\n const int scale = s->avctx->brd_scale;\n int i, j, out_size, p_lambda, b_lambda, lambda2;\n int64_t best_rd = INT64_MAX;\n int best_b_count = -1;\n assert(scale >= 0 && scale <= 3);\n p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P];\n b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B];\n if (!b_lambda)\n b_lambda = p_lambda;\n lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >>\n FF_LAMBDA_SHIFT;\n c->width = s->width >> scale;\n c->height = s->height >> scale;\n c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR |\n CODEC_FLAG_INPUT_PRESERVED ;\n c->flags |= s->avctx->flags & CODEC_FLAG_QPEL;\n c->mb_decision = s->avctx->mb_decision;\n c->me_cmp = s->avctx->me_cmp;\n c->mb_cmp = s->avctx->mb_cmp;\n c->me_sub_cmp = s->avctx->me_sub_cmp;\n c->pix_fmt = AV_PIX_FMT_YUV420P;\n c->time_base = s->avctx->time_base;\n c->max_b_frames = s->max_b_frames;\n if (avcodec_open2(c, codec, NULL) < 0)\n return -1;\n for (i = 0; i < s->max_b_frames + 2; i++) {\n Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] :\n s->next_picture_ptr;\n if (pre_input_ptr && (!i || s->input_picture[i - 1])) {\n pre_input = *pre_input_ptr;\n if (!pre_input.shared && i) {\n pre_input.f.data[0] += INPLACE_OFFSET;\n pre_input.f.data[1] += INPLACE_OFFSET;\n pre_input.f.data[2] += INPLACE_OFFSET;\n }\n s->dsp.shrink[scale](s->tmp_frames[i]->data[0], s->tmp_frames[i]->linesize[0],\n pre_input.f.data[0], pre_input.f.linesize[0],\n c->width, c->height);\n s->dsp.shrink[scale](s->tmp_frames[i]->data[1], s->tmp_frames[i]->linesize[1],\n pre_input.f.data[1], pre_input.f.linesize[1],\n c->width >> 1, c->height >> 1);\n s->dsp.shrink[scale](s->tmp_frames[i]->data[2], s->tmp_frames[i]->linesize[2],\n pre_input.f.data[2], pre_input.f.linesize[2],\n c->width >> 1, c->height >> 1);\n }\n }\n for (j = 0; j < s->max_b_frames + 1; j++) {\n int64_t rd = 0;\n if (!s->input_picture[j])\n break;\n c->error[0] = c->error[1] = c->error[2] = 0;\n s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I;\n s->tmp_frames[0]->quality = 1 * FF_QP2LAMBDA;\n out_size = encode_frame(c, s->tmp_frames[0]);\n for (i = 0; i < s->max_b_frames + 1; i++) {\n int is_p = i % (j + 1) == j || i == s->max_b_frames;\n s->tmp_frames[i + 1]->pict_type = is_p ?\n AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;\n s->tmp_frames[i + 1]->quality = is_p ? p_lambda : b_lambda;\n out_size = encode_frame(c, s->tmp_frames[i + 1]);\n rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);\n }\n while (out_size) {\n out_size = encode_frame(c, NULL);\n rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);\n }\n rd += c->error[0] + c->error[1] + c->error[2];\n if (rd < best_rd) {\n best_rd = rd;\n best_b_count = j;\n }\n }\n avcodec_close(c);\n av_freep(&c);\n return best_b_count;\n}', 'AVCodec *avcodec_find_encoder(enum AVCodecID id)\n{\n return find_encdec(id, 1);\n}', 'AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)\n{\n AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));\n if(avctx==NULL) return NULL;\n if(avcodec_get_context_defaults3(avctx, codec) < 0){\n av_free(avctx);\n return NULL;\n }\n return avctx;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if (size > (INT_MAX - 32) || !size)\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size + 32);\n if (!ptr)\n return ptr;\n diff = ((-(long)ptr - 1) & 31) + 1;\n ptr = (char *)ptr + diff;\n ((char *)ptr)[-1] = diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr, 32, size))\n ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n ptr = memalign(32, size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}']
5,706
0
https://github.com/libav/libav/blob/6b081eff4dfc3c899960f69f30cb567266b7dca3/libavcodec/cavs.c/#L420
static inline void mc_dir_part(AVSContext *h, AVFrame *pic, int chroma_height, int delta, int list, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int src_x_offset, int src_y_offset, qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op, cavs_vector *mv) { const int mx = mv->x + src_x_offset * 8; const int my = mv->y + src_y_offset * 8; const int luma_xy = (mx & 3) + ((my & 3) << 2); uint8_t *src_y = pic->data[0] + (mx >> 2) + (my >> 2) * h->l_stride; uint8_t *src_cb = pic->data[1] + (mx >> 3) + (my >> 3) * h->c_stride; uint8_t *src_cr = pic->data[2] + (mx >> 3) + (my >> 3) * h->c_stride; int extra_width = 0; int extra_height = extra_width; const int full_mx = mx >> 2; const int full_my = my >> 2; const int pic_width = 16 * h->mb_width; const int pic_height = 16 * h->mb_height; int emu = 0; if (!pic->data[0]) return; if (mx & 7) extra_width -= 3; if (my & 7) extra_height -= 3; if (full_mx < 0 - extra_width || full_my < 0 - extra_height || full_mx + 16 > pic_width + extra_width || full_my + 16 > pic_height + extra_height) { h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_y - 2 - 2 * h->l_stride, h->l_stride, 16 + 5, 16 + 5 , full_mx - 2, full_my - 2, pic_width, pic_height); src_y = h->edge_emu_buffer + 2 + 2 * h->l_stride; emu = 1; } qpix_op[luma_xy](dest_y, src_y, h->l_stride); if (emu) { h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cb, h->c_stride, 9, 9 , mx >> 3, my >> 3, pic_width >> 1, pic_height >> 1); src_cb = h->edge_emu_buffer; } chroma_op(dest_cb, src_cb, h->c_stride, chroma_height, mx & 7, my & 7); if (emu) { h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cr, h->c_stride, 9, 9 , mx >> 3, my >> 3, pic_width >> 1, pic_height >> 1); src_cr = h->edge_emu_buffer; } chroma_op(dest_cr, src_cr, h->c_stride, chroma_height, mx & 7, my & 7); }
['void ff_cavs_inter(AVSContext *h, enum cavs_mb mb_type)\n{\n if (ff_cavs_partition_flags[mb_type] == 0) {\n mc_part_std(h, 8, 0, h->cy, h->cu, h->cv, 0, 0,\n h->cdsp.put_cavs_qpel_pixels_tab[0],\n h->h264chroma.put_h264_chroma_pixels_tab[0],\n h->cdsp.avg_cavs_qpel_pixels_tab[0],\n h->h264chroma.avg_h264_chroma_pixels_tab[0],\n &h->mv[MV_FWD_X0]);\n } else {\n mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 0,\n h->cdsp.put_cavs_qpel_pixels_tab[1],\n h->h264chroma.put_h264_chroma_pixels_tab[1],\n h->cdsp.avg_cavs_qpel_pixels_tab[1],\n h->h264chroma.avg_h264_chroma_pixels_tab[1],\n &h->mv[MV_FWD_X0]);\n mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 0,\n h->cdsp.put_cavs_qpel_pixels_tab[1],\n h->h264chroma.put_h264_chroma_pixels_tab[1],\n h->cdsp.avg_cavs_qpel_pixels_tab[1],\n h->h264chroma.avg_h264_chroma_pixels_tab[1],\n &h->mv[MV_FWD_X1]);\n mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 0, 4,\n h->cdsp.put_cavs_qpel_pixels_tab[1],\n h->h264chroma.put_h264_chroma_pixels_tab[1],\n h->cdsp.avg_cavs_qpel_pixels_tab[1],\n h->h264chroma.avg_h264_chroma_pixels_tab[1],\n &h->mv[MV_FWD_X2]);\n mc_part_std(h, 4, 0, h->cy, h->cu, h->cv, 4, 4,\n h->cdsp.put_cavs_qpel_pixels_tab[1],\n h->h264chroma.put_h264_chroma_pixels_tab[1],\n h->cdsp.avg_cavs_qpel_pixels_tab[1],\n h->h264chroma.avg_h264_chroma_pixels_tab[1],\n &h->mv[MV_FWD_X3]);\n }\n}', 'static inline void mc_part_std(AVSContext *h, int chroma_height, int delta,\n uint8_t *dest_y,\n uint8_t *dest_cb,\n uint8_t *dest_cr,\n int x_offset, int y_offset,\n qpel_mc_func *qpix_put,\n h264_chroma_mc_func chroma_put,\n qpel_mc_func *qpix_avg,\n h264_chroma_mc_func chroma_avg,\n cavs_vector *mv)\n{\n qpel_mc_func *qpix_op = qpix_put;\n h264_chroma_mc_func chroma_op = chroma_put;\n dest_y += x_offset * 2 + y_offset * h->l_stride * 2;\n dest_cb += x_offset + y_offset * h->c_stride;\n dest_cr += x_offset + y_offset * h->c_stride;\n x_offset += 8 * h->mbx;\n y_offset += 8 * h->mby;\n if (mv->ref >= 0) {\n AVFrame *ref = h->DPB[mv->ref].f;\n mc_dir_part(h, ref, chroma_height, delta, 0,\n dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_op, chroma_op, mv);\n qpix_op = qpix_avg;\n chroma_op = chroma_avg;\n }\n if ((mv + MV_BWD_OFFS)->ref >= 0) {\n AVFrame *ref = h->DPB[0].f;\n mc_dir_part(h, ref, chroma_height, delta, 1,\n dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_op, chroma_op, mv + MV_BWD_OFFS);\n }\n}', 'static inline void mc_dir_part(AVSContext *h, AVFrame *pic, int chroma_height,\n int delta, int list, uint8_t *dest_y,\n uint8_t *dest_cb, uint8_t *dest_cr,\n int src_x_offset, int src_y_offset,\n qpel_mc_func *qpix_op,\n h264_chroma_mc_func chroma_op, cavs_vector *mv)\n{\n const int mx = mv->x + src_x_offset * 8;\n const int my = mv->y + src_y_offset * 8;\n const int luma_xy = (mx & 3) + ((my & 3) << 2);\n uint8_t *src_y = pic->data[0] + (mx >> 2) + (my >> 2) * h->l_stride;\n uint8_t *src_cb = pic->data[1] + (mx >> 3) + (my >> 3) * h->c_stride;\n uint8_t *src_cr = pic->data[2] + (mx >> 3) + (my >> 3) * h->c_stride;\n int extra_width = 0;\n int extra_height = extra_width;\n const int full_mx = mx >> 2;\n const int full_my = my >> 2;\n const int pic_width = 16 * h->mb_width;\n const int pic_height = 16 * h->mb_height;\n int emu = 0;\n if (!pic->data[0])\n return;\n if (mx & 7)\n extra_width -= 3;\n if (my & 7)\n extra_height -= 3;\n if (full_mx < 0 - extra_width ||\n full_my < 0 - extra_height ||\n full_mx + 16 > pic_width + extra_width ||\n full_my + 16 > pic_height + extra_height) {\n h->vdsp.emulated_edge_mc(h->edge_emu_buffer,\n src_y - 2 - 2 * h->l_stride, h->l_stride,\n 16 + 5, 16 + 5 ,\n full_mx - 2, full_my - 2,\n pic_width, pic_height);\n src_y = h->edge_emu_buffer + 2 + 2 * h->l_stride;\n emu = 1;\n }\n qpix_op[luma_xy](dest_y, src_y, h->l_stride);\n if (emu) {\n h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cb,\n h->c_stride,\n 9, 9 ,\n mx >> 3, my >> 3,\n pic_width >> 1, pic_height >> 1);\n src_cb = h->edge_emu_buffer;\n }\n chroma_op(dest_cb, src_cb, h->c_stride, chroma_height, mx & 7, my & 7);\n if (emu) {\n h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cr,\n h->c_stride,\n 9, 9 ,\n mx >> 3, my >> 3,\n pic_width >> 1, pic_height >> 1);\n src_cr = h->edge_emu_buffer;\n }\n chroma_op(dest_cr, src_cr, h->c_stride, chroma_height, mx & 7, my & 7);\n}']
5,707
1
https://github.com/openssl/openssl/blob/11d01d371f67a9cacfeccb1078669c595d65002f/engines/ccgost/gost94_keyx.c/#L327
int pkey_GOST94cp_decrypt (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *key_len,const unsigned char *in, size_t in_len) { DH *dh = DH_new(); const unsigned char *p = in; GOST_KEY_TRANSPORT *gkt = NULL; unsigned char wrappedKey[44]; unsigned char sharedKey[32]; gost_ctx cctx; const struct gost_cipher_info *param=NULL; EVP_PKEY *eph_key=NULL; EVP_PKEY *priv= EVP_PKEY_CTX_get0_pkey(ctx); if (!key) { *key_len = 32; return 1; } dh->g = BN_dup(priv->pkey.dsa->g); dh->p = BN_dup(priv->pkey.dsa->p); dh->priv_key = BN_dup(priv->pkey.dsa->priv_key); gkt = d2i_GOST_KEY_TRANSPORT(NULL,(const unsigned char **)&p, in_len); if (!gkt) { GOSTerr(GOST_F_PKEY_GOST94CP_DECRYPT,GOST_R_ERROR_PARSING_KEY_TRANSPORT_INFO); DH_free(dh); return 0; } eph_key = X509_PUBKEY_get(gkt->key_agreement_info->ephem_key); param = get_encryption_params(gkt->key_agreement_info->cipher); gost_init(&cctx,param->sblock); OPENSSL_assert(gkt->key_agreement_info->eph_iv->length==8); memcpy(wrappedKey,gkt->key_agreement_info->eph_iv->data,8); OPENSSL_assert(gkt->key_info->encrypted_key->length==32); memcpy(wrappedKey+8,gkt->key_info->encrypted_key->data,32); OPENSSL_assert(gkt->key_info->imit->length==4); memcpy(wrappedKey+40,gkt->key_info->imit->data,4); make_cp_exchange_key(dh,eph_key,sharedKey); if (!keyUnwrapCryptoPro(&cctx,sharedKey,wrappedKey,key)) { GOSTerr(GOST_F_PKEY_GOST94CP_DECRYPT, GOST_R_ERROR_COMPUTING_SHARED_KEY); goto err; } EVP_PKEY_free(eph_key); GOST_KEY_TRANSPORT_free(gkt); DH_free(dh); return 1; err: EVP_PKEY_free(eph_key); GOST_KEY_TRANSPORT_free(gkt); DH_free(dh); return -1; }
['int pkey_GOST94cp_decrypt (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *key_len,const unsigned char *in, size_t in_len) {\n\tDH *dh = DH_new();\n\tconst unsigned char *p = in;\n\tGOST_KEY_TRANSPORT *gkt = NULL;\n\tunsigned char wrappedKey[44];\n\tunsigned char sharedKey[32];\n\tgost_ctx cctx;\n\tconst struct gost_cipher_info *param=NULL;\n\tEVP_PKEY *eph_key=NULL;\n\tEVP_PKEY *priv= EVP_PKEY_CTX_get0_pkey(ctx);\n\tif (!key)\n\t\t{\n\t\t*key_len = 32;\n\t\treturn 1;\n\t\t}\n\tdh->g = BN_dup(priv->pkey.dsa->g);\n\tdh->p = BN_dup(priv->pkey.dsa->p);\n\tdh->priv_key = BN_dup(priv->pkey.dsa->priv_key);\n\tgkt = d2i_GOST_KEY_TRANSPORT(NULL,(const unsigned char **)&p,\n\t\tin_len);\n\tif (!gkt)\n\t\t{\n\t\tGOSTerr(GOST_F_PKEY_GOST94CP_DECRYPT,GOST_R_ERROR_PARSING_KEY_TRANSPORT_INFO);\n\t\tDH_free(dh);\n\t\treturn 0;\n\t\t}\n\teph_key = X509_PUBKEY_get(gkt->key_agreement_info->ephem_key);\n\tparam = get_encryption_params(gkt->key_agreement_info->cipher);\n\tgost_init(&cctx,param->sblock);\n\tOPENSSL_assert(gkt->key_agreement_info->eph_iv->length==8);\n\tmemcpy(wrappedKey,gkt->key_agreement_info->eph_iv->data,8);\n\tOPENSSL_assert(gkt->key_info->encrypted_key->length==32);\n\tmemcpy(wrappedKey+8,gkt->key_info->encrypted_key->data,32);\n\tOPENSSL_assert(gkt->key_info->imit->length==4);\n\tmemcpy(wrappedKey+40,gkt->key_info->imit->data,4);\n\tmake_cp_exchange_key(dh,eph_key,sharedKey);\n\tif (!keyUnwrapCryptoPro(&cctx,sharedKey,wrappedKey,key))\n\t\t{\n\t\tGOSTerr(GOST_F_PKEY_GOST94CP_DECRYPT,\n\t\t\tGOST_R_ERROR_COMPUTING_SHARED_KEY);\n\t\tgoto err;\n\t\t}\n\tEVP_PKEY_free(eph_key);\n\tGOST_KEY_TRANSPORT_free(gkt);\n\tDH_free(dh);\n\treturn 1;\nerr:\n\tEVP_PKEY_free(eph_key);\n\tGOST_KEY_TRANSPORT_free(gkt);\n\tDH_free(dh);\n\treturn -1;\n\t}', 'DH *DH_new(void)\n\t{\n\treturn DH_new_method(NULL);\n\t}', 'DH *DH_new_method(ENGINE *engine)\n\t{\n\tDH *ret;\n\tret=(DH *)OPENSSL_malloc(sizeof(DH));\n\tif (ret == NULL)\n\t\t{\n\t\tDHerr(DH_F_DH_NEW_METHOD,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tret->meth = DH_get_default_method();\n#ifndef OPENSSL_NO_ENGINE\n\tif (engine)\n\t\t{\n\t\tif (!ENGINE_init(engine))\n\t\t\t{\n\t\t\tDHerr(DH_F_DH_NEW_METHOD, ERR_R_ENGINE_LIB);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tret->engine = engine;\n\t\t}\n\telse\n\t\tret->engine = ENGINE_get_default_DH();\n\tif(ret->engine)\n\t\t{\n\t\tret->meth = ENGINE_get_DH(ret->engine);\n\t\tif(!ret->meth)\n\t\t\t{\n\t\t\tDHerr(DH_F_DH_NEW_METHOD,ERR_R_ENGINE_LIB);\n\t\t\tENGINE_finish(ret->engine);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\t}\n#endif\n\tret->pad=0;\n\tret->version=0;\n\tret->p=NULL;\n\tret->g=NULL;\n\tret->length=0;\n\tret->pub_key=NULL;\n\tret->priv_key=NULL;\n\tret->q=NULL;\n\tret->j=NULL;\n\tret->seed = NULL;\n\tret->seedlen = 0;\n\tret->counter = NULL;\n\tret->method_mont_p=NULL;\n\tret->references = 1;\n\tret->flags=ret->meth->flags;\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data);\n\tif ((ret->meth->init != NULL) && !ret->meth->init(ret))\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tif (ret->engine)\n\t\t\tENGINE_finish(ret->engine);\n#endif\n\t\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data);\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if(ret && (num > 2048))\n\t{\textern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\t}\n#endif\n\treturn ret;\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}', 'EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)\n\t{\n\treturn ctx->pkey;\n\t}', 'BIGNUM *BN_dup(const BIGNUM *a)\n\t{\n\tBIGNUM *t;\n\tif (a == NULL) return NULL;\n\tbn_check_top(a);\n\tt = BN_new();\n\tif (t == NULL) return NULL;\n\tif(!BN_copy(t, a))\n\t\t{\n\t\tBN_free(t);\n\t\treturn NULL;\n\t\t}\n\tbn_check_top(t);\n\treturn t;\n\t}', 'BIGNUM *BN_new(void)\n\t{\n\tBIGNUM *ret;\n\tif ((ret=(BIGNUM *)OPENSSL_malloc(sizeof(BIGNUM))) == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tret->flags=BN_FLG_MALLOCED;\n\tret->top=0;\n\tret->neg=0;\n\tret->dmax=0;\n\tret->d=NULL;\n\tbn_check_top(ret);\n\treturn(ret);\n\t}']
5,708
0
https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/x509/x509_obj.c/#L96
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > sizeof ebcdic_buf) ? sizeof ebcdic_buf : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); BUF_MEM_free(b); return (NULL); }
['static int do_revoke(X509 *x509, CA_DB *db, int type, char *value)\n{\n ASN1_UTCTIME *tm = NULL;\n char *row[DB_NUMBER], **rrow, **irow;\n char *rev_str = NULL;\n BIGNUM *bn = NULL;\n int ok = -1, i;\n for (i = 0; i < DB_NUMBER; i++)\n row[i] = NULL;\n row[DB_name] = X509_NAME_oneline(X509_get_subject_name(x509), NULL, 0);\n bn = ASN1_INTEGER_to_BN(X509_get_serialNumber(x509), NULL);\n if (!bn)\n goto end;\n if (BN_is_zero(bn))\n row[DB_serial] = OPENSSL_strdup("00");\n else\n row[DB_serial] = BN_bn2hex(bn);\n BN_free(bn);\n if ((row[DB_name] == NULL) || (row[DB_serial] == NULL)) {\n BIO_printf(bio_err, "Memory allocation failure\\n");\n goto end;\n }\n rrow = TXT_DB_get_by_index(db->db, DB_serial, row);\n if (rrow == NULL) {\n BIO_printf(bio_err,\n "Adding Entry with serial number %s to DB for %s\\n",\n row[DB_serial], row[DB_name]);\n row[DB_type] = OPENSSL_strdup("V");\n tm = X509_get_notAfter(x509);\n row[DB_exp_date] = app_malloc(tm->length + 1, "row exp_data");\n memcpy(row[DB_exp_date], tm->data, tm->length);\n row[DB_exp_date][tm->length] = \'\\0\';\n row[DB_rev_date] = NULL;\n row[DB_file] = OPENSSL_strdup("unknown");\n irow = app_malloc(sizeof(*irow) * (DB_NUMBER + 1), "row ptr");\n for (i = 0; i < DB_NUMBER; i++) {\n irow[i] = row[i];\n row[i] = NULL;\n }\n irow[DB_NUMBER] = NULL;\n if (!TXT_DB_insert(db->db, irow)) {\n BIO_printf(bio_err, "failed to update database\\n");\n BIO_printf(bio_err, "TXT_DB error number %ld\\n", db->db->error);\n goto end;\n }\n if (type == -1)\n ok = 1;\n else\n ok = do_revoke(x509, db, type, value);\n goto end;\n } else if (index_name_cmp_noconst(row, rrow)) {\n BIO_printf(bio_err, "ERROR:name does not match %s\\n", row[DB_name]);\n goto end;\n } else if (type == -1) {\n BIO_printf(bio_err, "ERROR:Already present, serial number %s\\n",\n row[DB_serial]);\n goto end;\n } else if (rrow[DB_type][0] == \'R\') {\n BIO_printf(bio_err, "ERROR:Already revoked, serial number %s\\n",\n row[DB_serial]);\n goto end;\n } else {\n BIO_printf(bio_err, "Revoking Certificate %s.\\n", rrow[DB_serial]);\n rev_str = make_revocation_str(type, value);\n if (!rev_str) {\n BIO_printf(bio_err, "Error in revocation arguments\\n");\n goto end;\n }\n rrow[DB_type][0] = \'R\';\n rrow[DB_type][1] = \'\\0\';\n rrow[DB_rev_date] = rev_str;\n }\n ok = 1;\n end:\n for (i = 0; i < DB_NUMBER; i++) {\n OPENSSL_free(row[i]);\n }\n return (ok);\n}', 'char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)\n{\n X509_NAME_ENTRY *ne;\n int i;\n int n, lold, l, l1, l2, num, j, type;\n const char *s;\n char *p;\n unsigned char *q;\n BUF_MEM *b = NULL;\n static const char hex[17] = "0123456789ABCDEF";\n int gs_doit[4];\n char tmp_buf[80];\n#ifdef CHARSET_EBCDIC\n char ebcdic_buf[1024];\n#endif\n if (buf == NULL) {\n if ((b = BUF_MEM_new()) == NULL)\n goto err;\n if (!BUF_MEM_grow(b, 200))\n goto err;\n b->data[0] = \'\\0\';\n len = 200;\n }\n if (a == NULL) {\n if (b) {\n buf = b->data;\n OPENSSL_free(b);\n }\n strncpy(buf, "NO X509_NAME", len);\n buf[len - 1] = \'\\0\';\n return buf;\n }\n len--;\n l = 0;\n for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {\n ne = sk_X509_NAME_ENTRY_value(a->entries, i);\n n = OBJ_obj2nid(ne->object);\n if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {\n i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);\n s = tmp_buf;\n }\n l1 = strlen(s);\n type = ne->value->type;\n num = ne->value->length;\n q = ne->value->data;\n#ifdef CHARSET_EBCDIC\n if (type == V_ASN1_GENERALSTRING ||\n type == V_ASN1_VISIBLESTRING ||\n type == V_ASN1_PRINTABLESTRING ||\n type == V_ASN1_TELETEXSTRING ||\n type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {\n ascii2ebcdic(ebcdic_buf, q, (num > sizeof ebcdic_buf)\n ? sizeof ebcdic_buf : num);\n q = ebcdic_buf;\n }\n#endif\n if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;\n for (j = 0; j < num; j++)\n if (q[j] != 0)\n gs_doit[j & 3] = 1;\n if (gs_doit[0] | gs_doit[1] | gs_doit[2])\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n else {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;\n gs_doit[3] = 1;\n }\n } else\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n for (l2 = j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n l2++;\n#ifndef CHARSET_EBCDIC\n if ((q[j] < \' \') || (q[j] > \'~\'))\n l2 += 3;\n#else\n if ((os_toascii[q[j]] < os_toascii[\' \']) ||\n (os_toascii[q[j]] > os_toascii[\'~\']))\n l2 += 3;\n#endif\n }\n lold = l;\n l += 1 + l1 + 1 + l2;\n if (b != NULL) {\n if (!BUF_MEM_grow(b, l + 1))\n goto err;\n p = &(b->data[lold]);\n } else if (l > len) {\n break;\n } else\n p = &(buf[lold]);\n *(p++) = \'/\';\n memcpy(p, s, (unsigned int)l1);\n p += l1;\n *(p++) = \'=\';\n#ifndef CHARSET_EBCDIC\n q = ne->value->data;\n#endif\n for (j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n#ifndef CHARSET_EBCDIC\n n = q[j];\n if ((n < \' \') || (n > \'~\')) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = n;\n#else\n n = os_toascii[q[j]];\n if ((n < os_toascii[\' \']) || (n > os_toascii[\'~\'])) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = q[j];\n#endif\n }\n *p = \'\\0\';\n }\n if (b != NULL) {\n p = b->data;\n OPENSSL_free(b);\n } else\n p = buf;\n if (i == 0)\n *p = \'\\0\';\n return (p);\n err:\n X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);\n BUF_MEM_free(b);\n return (NULL);\n}']
5,709
1
https://github.com/openssl/openssl/blob/222c3da35cc508446df150a16080943019ba6f54/crypto/evp/evp_enc.c/#L290
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; }
['static int cipher_test_enc(struct evp_test *t, int enc,\n size_t out_misalign, size_t inp_misalign, int frag)\n{\n struct cipher_data *cdat = t->data;\n unsigned char *in, *out, *tmp = NULL;\n size_t in_len, out_len, donelen = 0;\n int tmplen, chunklen, tmpflen;\n EVP_CIPHER_CTX *ctx = NULL;\n const char *err;\n err = "INTERNAL_ERROR";\n ctx = EVP_CIPHER_CTX_new();\n if (!ctx)\n goto err;\n EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);\n if (enc) {\n in = cdat->plaintext;\n in_len = cdat->plaintext_len;\n out = cdat->ciphertext;\n out_len = cdat->ciphertext_len;\n } else {\n in = cdat->ciphertext;\n in_len = cdat->ciphertext_len;\n out = cdat->plaintext;\n out_len = cdat->plaintext_len;\n }\n if (inp_misalign == (size_t)-1) {\n tmp = OPENSSL_malloc(out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH);\n if (!tmp)\n goto err;\n in = memcpy(tmp + out_misalign, in, in_len);\n } else {\n inp_misalign += 16 - ((out_misalign + in_len) & 15);\n tmp = OPENSSL_malloc(out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH +\n inp_misalign + in_len);\n if (!tmp)\n goto err;\n in = memcpy(tmp + out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH +\n inp_misalign, in, in_len);\n }\n err = "CIPHERINIT_ERROR";\n if (!EVP_CipherInit_ex(ctx, cdat->cipher, NULL, NULL, NULL, enc))\n goto err;\n err = "INVALID_IV_LENGTH";\n if (cdat->iv) {\n if (cdat->aead) {\n if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN,\n cdat->iv_len, 0))\n goto err;\n } else if (cdat->iv_len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))\n goto err;\n }\n if (cdat->aead) {\n unsigned char *tag;\n if (enc || cdat->aead == EVP_CIPH_OCB_MODE) {\n err = "TAG_LENGTH_SET_ERROR";\n tag = NULL;\n } else {\n err = "TAG_SET_ERROR";\n tag = cdat->tag;\n }\n if (tag || cdat->aead != EVP_CIPH_GCM_MODE) {\n if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,\n cdat->tag_len, tag))\n goto err;\n }\n }\n err = "INVALID_KEY_LENGTH";\n if (!EVP_CIPHER_CTX_set_key_length(ctx, cdat->key_len))\n goto err;\n err = "KEY_SET_ERROR";\n if (!EVP_CipherInit_ex(ctx, NULL, NULL, cdat->key, cdat->iv, -1))\n goto err;\n if (!enc && cdat->aead == EVP_CIPH_OCB_MODE) {\n if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,\n cdat->tag_len, cdat->tag)) {\n err = "TAG_SET_ERROR";\n goto err;\n }\n }\n if (cdat->aead == EVP_CIPH_CCM_MODE) {\n if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) {\n err = "CCM_PLAINTEXT_LENGTH_SET_ERROR";\n goto err;\n }\n }\n if (cdat->aad) {\n err = "AAD_SET_ERROR";\n if (!frag) {\n if (!EVP_CipherUpdate(ctx, NULL, &chunklen, cdat->aad,\n cdat->aad_len))\n goto err;\n } else {\n if (cdat->aad_len > 0) {\n if (!EVP_CipherUpdate(ctx, NULL, &chunklen, cdat->aad, 1))\n goto err;\n donelen++;\n }\n if (cdat->aad_len > 2) {\n if (!EVP_CipherUpdate(ctx, NULL, &chunklen, cdat->aad + donelen,\n cdat->aad_len - 2))\n goto err;\n donelen += cdat->aad_len - 2;\n }\n if (cdat->aad_len > 1\n && !EVP_CipherUpdate(ctx, NULL, &chunklen,\n cdat->aad + donelen, 1))\n goto err;\n }\n }\n EVP_CIPHER_CTX_set_padding(ctx, 0);\n err = "CIPHERUPDATE_ERROR";\n tmplen = 0;\n if (!frag) {\n if (!EVP_CipherUpdate(ctx, tmp + out_misalign, &tmplen, in, in_len))\n goto err;\n } else {\n if (in_len > 0) {\n if (!EVP_CipherUpdate(ctx, tmp + out_misalign, &chunklen, in, 1))\n goto err;\n tmplen += chunklen;\n in++;\n in_len--;\n }\n if (in_len > 1) {\n if (!EVP_CipherUpdate(ctx, tmp + out_misalign + tmplen, &chunklen,\n in, in_len - 1))\n goto err;\n tmplen += chunklen;\n in += in_len - 1;\n in_len = 1;\n }\n if (in_len > 0 ) {\n if (!EVP_CipherUpdate(ctx, tmp + out_misalign + tmplen, &chunklen,\n in, 1))\n goto err;\n tmplen += chunklen;\n }\n }\n err = "CIPHERFINAL_ERROR";\n if (!EVP_CipherFinal_ex(ctx, tmp + out_misalign + tmplen, &tmpflen))\n goto err;\n err = "LENGTH_MISMATCH";\n if (out_len != (size_t)(tmplen + tmpflen))\n goto err;\n err = "VALUE_MISMATCH";\n if (check_output(t, out, tmp + out_misalign, out_len))\n goto err;\n if (enc && cdat->aead) {\n unsigned char rtag[16];\n if (cdat->tag_len > sizeof(rtag)) {\n err = "TAG_LENGTH_INTERNAL_ERROR";\n goto err;\n }\n if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,\n cdat->tag_len, rtag)) {\n err = "TAG_RETRIEVE_ERROR";\n goto err;\n }\n if (check_output(t, cdat->tag, rtag, cdat->tag_len)) {\n err = "TAG_VALUE_MISMATCH";\n goto err;\n }\n }\n err = NULL;\n err:\n OPENSSL_free(tmp);\n EVP_CIPHER_CTX_free(ctx);\n t->err = err;\n return err ? 0 : 1;\n}', 'int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n if (ctx->encrypt)\n return EVP_EncryptUpdate(ctx, out, outl, in, inl);\n else\n return EVP_DecryptUpdate(ctx, out, outl, in, inl);\n}', 'int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,\n const unsigned char *in, int inl)\n{\n int i, j, bl;\n bl = ctx->cipher->block_size;\n if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {\n if (bl == 1 && is_partially_overlapping(out, in, inl)) {\n EVPerr(EVP_F_EVP_ENCRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING);\n return 0;\n }\n i = ctx->cipher->do_cipher(ctx, out, in, inl);\n if (i < 0)\n return 0;\n else\n *outl = i;\n return 1;\n }\n if (inl <= 0) {\n *outl = 0;\n return inl == 0;\n }\n if (is_partially_overlapping(out + ctx->buf_len, in, inl)) {\n EVPerr(EVP_F_EVP_ENCRYPTUPDATE, EVP_R_PARTIALLY_OVERLAPPING);\n return 0;\n }\n if (ctx->buf_len == 0 && (inl & (ctx->block_mask)) == 0) {\n if (ctx->cipher->do_cipher(ctx, out, in, inl)) {\n *outl = inl;\n return 1;\n } else {\n *outl = 0;\n return 0;\n }\n }\n i = ctx->buf_len;\n OPENSSL_assert(bl <= (int)sizeof(ctx->buf));\n if (i != 0) {\n if (bl - i > inl) {\n memcpy(&(ctx->buf[i]), in, inl);\n ctx->buf_len += inl;\n *outl = 0;\n return 1;\n } else {\n j = bl - i;\n memcpy(&(ctx->buf[i]), in, j);\n inl -= j;\n in += j;\n if (!ctx->cipher->do_cipher(ctx, out, ctx->buf, bl))\n return 0;\n out += bl;\n *outl = bl;\n }\n } else\n *outl = 0;\n i = inl & (bl - 1);\n inl -= i;\n if (inl > 0) {\n if (!ctx->cipher->do_cipher(ctx, out, in, inl))\n return 0;\n *outl += inl;\n }\n if (i != 0)\n memcpy(ctx->buf, &(in[inl]), i);\n ctx->buf_len = i;\n return 1;\n}', 'int is_partially_overlapping(const void *ptr1, const void *ptr2, int len)\n{\n PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;\n int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |\n (diff > (0 - (PTRDIFF_T)len)));\n return overlapped;\n}']
5,710
0
https://github.com/openssl/openssl/blob/ee3a6c646ff8ea6b9ada5a58f4a0e7c9b7be944b/crypto/bn/bn_ctx.c/#L319
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
['int BN_mod_exp2_mont(BIGNUM *rr, const BIGNUM *a1, const BIGNUM *p1,\n const BIGNUM *a2, const BIGNUM *p2, const BIGNUM *m,\n BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, b, bits1, bits2, ret =\n 0, wpos1, wpos2, window1, window2, wvalue1, wvalue2;\n int r_is_one = 1;\n BIGNUM *d, *r;\n const BIGNUM *a_mod_m;\n BIGNUM *val1[TABLE_SIZE], *val2[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n bn_check_top(a1);\n bn_check_top(p1);\n bn_check_top(a2);\n bn_check_top(p2);\n bn_check_top(m);\n if (!(m->d[0] & 1)) {\n BNerr(BN_F_BN_MOD_EXP2_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n bits1 = BN_num_bits(p1);\n bits2 = BN_num_bits(p2);\n if ((bits1 == 0) && (bits2 == 0)) {\n ret = BN_one(rr);\n return ret;\n }\n bits = (bits1 > bits2) ? bits1 : bits2;\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val1[0] = BN_CTX_get(ctx);\n val2[0] = BN_CTX_get(ctx);\n if (!d || !r || !val1[0] || !val2[0])\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n window1 = BN_window_bits_for_exponent_size(bits1);\n window2 = BN_window_bits_for_exponent_size(bits2);\n if (a1->neg || BN_ucmp(a1, m) >= 0) {\n if (!BN_mod(val1[0], a1, m, ctx))\n goto err;\n a_mod_m = val1[0];\n } else\n a_mod_m = a1;\n if (BN_is_zero(a_mod_m)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val1[0], a_mod_m, mont, ctx))\n goto err;\n if (window1 > 1) {\n if (!BN_mod_mul_montgomery(d, val1[0], val1[0], mont, ctx))\n goto err;\n j = 1 << (window1 - 1);\n for (i = 1; i < j; i++) {\n if (((val1[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val1[i], val1[i - 1], d, mont, ctx))\n goto err;\n }\n }\n if (a2->neg || BN_ucmp(a2, m) >= 0) {\n if (!BN_mod(val2[0], a2, m, ctx))\n goto err;\n a_mod_m = val2[0];\n } else\n a_mod_m = a2;\n if (BN_is_zero(a_mod_m)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val2[0], a_mod_m, mont, ctx))\n goto err;\n if (window2 > 1) {\n if (!BN_mod_mul_montgomery(d, val2[0], val2[0], mont, ctx))\n goto err;\n j = 1 << (window2 - 1);\n for (i = 1; i < j; i++) {\n if (((val2[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val2[i], val2[i - 1], d, mont, ctx))\n goto err;\n }\n }\n r_is_one = 1;\n wvalue1 = 0;\n wvalue2 = 0;\n wpos1 = 0;\n wpos2 = 0;\n if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))\n goto err;\n for (b = bits - 1; b >= 0; b--) {\n if (!r_is_one) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (!wvalue1)\n if (BN_is_bit_set(p1, b)) {\n i = b - window1 + 1;\n while (!BN_is_bit_set(p1, i))\n i++;\n wpos1 = i;\n wvalue1 = 1;\n for (i = b - 1; i >= wpos1; i--) {\n wvalue1 <<= 1;\n if (BN_is_bit_set(p1, i))\n wvalue1++;\n }\n }\n if (!wvalue2)\n if (BN_is_bit_set(p2, b)) {\n i = b - window2 + 1;\n while (!BN_is_bit_set(p2, i))\n i++;\n wpos2 = i;\n wvalue2 = 1;\n for (i = b - 1; i >= wpos2; i--) {\n wvalue2 <<= 1;\n if (BN_is_bit_set(p2, i))\n wvalue2++;\n }\n }\n if (wvalue1 && b == wpos1) {\n if (!BN_mod_mul_montgomery(r, r, val1[wvalue1 >> 1], mont, ctx))\n goto err;\n wvalue1 = 0;\n r_is_one = 0;\n }\n if (wvalue2 && b == wpos2) {\n if (!BN_mod_mul_montgomery(r, r, val2[wvalue2 >> 1], mont, ctx))\n goto err;\n wvalue2 = 0;\n r_is_one = 0;\n }\n }\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return (ret);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);\n}', 'int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n int num = mont->N.top;\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return (0);\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n bn_correct_top(r);\n return (1);\n }\n }\n#endif\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!BN_sqr(tmp, a, ctx))\n goto err;\n } else {\n if (!BN_mul(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!BN_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (!rr || !tmp)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n if (a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n rr->top = max - 1;\n else\n rr->top = max;\n if (rr != r)\n BN_copy(r, rr);\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return (ret);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}']
5,711
0
https://github.com/libav/libav/blob/5150dd532b142d7032854a362228dd40142a8e94/libavcodec/mpegaudiodec.c/#L692
static void dct32(INTFLOAT *out, const INTFLOAT *tab) { INTFLOAT tmp0, tmp1; INTFLOAT val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7 , val8 , val9 , val10, val11, val12, val13, val14, val15, val16, val17, val18, val19, val20, val21, val22, val23, val24, val25, val26, val27, val28, val29, val30, val31; BF0( 0, 31, COS0_0 , 1); BF0(15, 16, COS0_15, 5); BF( 0, 15, COS1_0 , 1); BF(16, 31,-COS1_0 , 1); BF0( 7, 24, COS0_7 , 1); BF0( 8, 23, COS0_8 , 1); BF( 7, 8, COS1_7 , 4); BF(23, 24,-COS1_7 , 4); BF( 0, 7, COS2_0 , 1); BF( 8, 15,-COS2_0 , 1); BF(16, 23, COS2_0 , 1); BF(24, 31,-COS2_0 , 1); BF0( 3, 28, COS0_3 , 1); BF0(12, 19, COS0_12, 2); BF( 3, 12, COS1_3 , 1); BF(19, 28,-COS1_3 , 1); BF0( 4, 27, COS0_4 , 1); BF0(11, 20, COS0_11, 2); BF( 4, 11, COS1_4 , 1); BF(20, 27,-COS1_4 , 1); BF( 3, 4, COS2_3 , 3); BF(11, 12,-COS2_3 , 3); BF(19, 20, COS2_3 , 3); BF(27, 28,-COS2_3 , 3); BF( 0, 3, COS3_0 , 1); BF( 4, 7,-COS3_0 , 1); BF( 8, 11, COS3_0 , 1); BF(12, 15,-COS3_0 , 1); BF(16, 19, COS3_0 , 1); BF(20, 23,-COS3_0 , 1); BF(24, 27, COS3_0 , 1); BF(28, 31,-COS3_0 , 1); BF0( 1, 30, COS0_1 , 1); BF0(14, 17, COS0_14, 3); BF( 1, 14, COS1_1 , 1); BF(17, 30,-COS1_1 , 1); BF0( 6, 25, COS0_6 , 1); BF0( 9, 22, COS0_9 , 1); BF( 6, 9, COS1_6 , 2); BF(22, 25,-COS1_6 , 2); BF( 1, 6, COS2_1 , 1); BF( 9, 14,-COS2_1 , 1); BF(17, 22, COS2_1 , 1); BF(25, 30,-COS2_1 , 1); BF0( 2, 29, COS0_2 , 1); BF0(13, 18, COS0_13, 3); BF( 2, 13, COS1_2 , 1); BF(18, 29,-COS1_2 , 1); BF0( 5, 26, COS0_5 , 1); BF0(10, 21, COS0_10, 1); BF( 5, 10, COS1_5 , 2); BF(21, 26,-COS1_5 , 2); BF( 2, 5, COS2_2 , 1); BF(10, 13,-COS2_2 , 1); BF(18, 21, COS2_2 , 1); BF(26, 29,-COS2_2 , 1); BF( 1, 2, COS3_1 , 2); BF( 5, 6,-COS3_1 , 2); BF( 9, 10, COS3_1 , 2); BF(13, 14,-COS3_1 , 2); BF(17, 18, COS3_1 , 2); BF(21, 22,-COS3_1 , 2); BF(25, 26, COS3_1 , 2); BF(29, 30,-COS3_1 , 2); BF1( 0, 1, 2, 3); BF2( 4, 5, 6, 7); BF1( 8, 9, 10, 11); BF2(12, 13, 14, 15); BF1(16, 17, 18, 19); BF2(20, 21, 22, 23); BF1(24, 25, 26, 27); BF2(28, 29, 30, 31); ADD( 8, 12); ADD(12, 10); ADD(10, 14); ADD(14, 9); ADD( 9, 13); ADD(13, 11); ADD(11, 15); out[ 0] = val0; out[16] = val1; out[ 8] = val2; out[24] = val3; out[ 4] = val4; out[20] = val5; out[12] = val6; out[28] = val7; out[ 2] = val8; out[18] = val9; out[10] = val10; out[26] = val11; out[ 6] = val12; out[22] = val13; out[14] = val14; out[30] = val15; ADD(24, 28); ADD(28, 26); ADD(26, 30); ADD(30, 25); ADD(25, 29); ADD(29, 27); ADD(27, 31); out[ 1] = val16 + val24; out[17] = val17 + val25; out[ 9] = val18 + val26; out[25] = val19 + val27; out[ 5] = val20 + val28; out[21] = val21 + val29; out[13] = val22 + val30; out[29] = val23 + val31; out[ 3] = val24 + val20; out[19] = val25 + val21; out[11] = val26 + val22; out[27] = val27 + val23; out[ 7] = val28 + val18; out[23] = val29 + val19; out[15] = val30 + val17; out[31] = val31; }
['static void mpc_synth(MPCContext *c, int16_t *out)\n{\n int dither_state = 0;\n int i, ch;\n OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;\n for(ch = 0; ch < 2; ch++){\n samples_ptr = samples + ch;\n for(i = 0; i < SAMPLES_PER_BAND; i++) {\n ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),\n ff_mpa_synth_window, &dither_state,\n samples_ptr, 2,\n c->sb_samples[ch][i]);\n samples_ptr += 64;\n }\n }\n for(i = 0; i < MPC_FRAME_SIZE*2; i++)\n *out++=samples[i];\n}', 'void RENAME(ff_mpa_synth_filter)(MPA_INT *synth_buf_ptr, int *synth_buf_offset,\n MPA_INT *window, int *dither_state,\n OUT_INT *samples, int incr,\n INTFLOAT sb_samples[SBLIMIT])\n{\n register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset;\n OUT_INT *samples2;\n#if CONFIG_FLOAT\n float sum, sum2;\n#elif FRAC_BITS <= 15\n int32_t tmp[32];\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n#if FRAC_BITS <= 15 && !CONFIG_FLOAT\n dct32(tmp, sb_samples);\n for(j=0;j<32;j++) {\n synth_buf[j] = av_clip_int16(tmp[j]);\n }\n#else\n dct32(synth_buf, sb_samples);\n#endif\n memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));\n samples2 = samples + 31 * incr;\n w = window;\n w2 = window + 31;\n sum = *dither_state;\n p = synth_buf + 16;\n SUM8(MACS, sum, w, p);\n p = synth_buf + 48;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n w++;\n for(j=1;j<16;j++) {\n sum2 = 0;\n p = synth_buf + 16 + j;\n SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);\n p = synth_buf + 48 - j;\n SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n sum += sum2;\n *samples2 = round_sample(&sum);\n samples2 -= incr;\n w++;\n w2--;\n }\n p = synth_buf + 32;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n *dither_state= sum;\n offset = (offset - 32) & 511;\n *synth_buf_offset = offset;\n}', 'static void dct32(INTFLOAT *out, const INTFLOAT *tab)\n{\n INTFLOAT tmp0, tmp1;\n INTFLOAT val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7 ,\n val8 , val9 , val10, val11, val12, val13, val14, val15,\n val16, val17, val18, val19, val20, val21, val22, val23,\n val24, val25, val26, val27, val28, val29, val30, val31;\n BF0( 0, 31, COS0_0 , 1);\n BF0(15, 16, COS0_15, 5);\n BF( 0, 15, COS1_0 , 1);\n BF(16, 31,-COS1_0 , 1);\n BF0( 7, 24, COS0_7 , 1);\n BF0( 8, 23, COS0_8 , 1);\n BF( 7, 8, COS1_7 , 4);\n BF(23, 24,-COS1_7 , 4);\n BF( 0, 7, COS2_0 , 1);\n BF( 8, 15,-COS2_0 , 1);\n BF(16, 23, COS2_0 , 1);\n BF(24, 31,-COS2_0 , 1);\n BF0( 3, 28, COS0_3 , 1);\n BF0(12, 19, COS0_12, 2);\n BF( 3, 12, COS1_3 , 1);\n BF(19, 28,-COS1_3 , 1);\n BF0( 4, 27, COS0_4 , 1);\n BF0(11, 20, COS0_11, 2);\n BF( 4, 11, COS1_4 , 1);\n BF(20, 27,-COS1_4 , 1);\n BF( 3, 4, COS2_3 , 3);\n BF(11, 12,-COS2_3 , 3);\n BF(19, 20, COS2_3 , 3);\n BF(27, 28,-COS2_3 , 3);\n BF( 0, 3, COS3_0 , 1);\n BF( 4, 7,-COS3_0 , 1);\n BF( 8, 11, COS3_0 , 1);\n BF(12, 15,-COS3_0 , 1);\n BF(16, 19, COS3_0 , 1);\n BF(20, 23,-COS3_0 , 1);\n BF(24, 27, COS3_0 , 1);\n BF(28, 31,-COS3_0 , 1);\n BF0( 1, 30, COS0_1 , 1);\n BF0(14, 17, COS0_14, 3);\n BF( 1, 14, COS1_1 , 1);\n BF(17, 30,-COS1_1 , 1);\n BF0( 6, 25, COS0_6 , 1);\n BF0( 9, 22, COS0_9 , 1);\n BF( 6, 9, COS1_6 , 2);\n BF(22, 25,-COS1_6 , 2);\n BF( 1, 6, COS2_1 , 1);\n BF( 9, 14,-COS2_1 , 1);\n BF(17, 22, COS2_1 , 1);\n BF(25, 30,-COS2_1 , 1);\n BF0( 2, 29, COS0_2 , 1);\n BF0(13, 18, COS0_13, 3);\n BF( 2, 13, COS1_2 , 1);\n BF(18, 29,-COS1_2 , 1);\n BF0( 5, 26, COS0_5 , 1);\n BF0(10, 21, COS0_10, 1);\n BF( 5, 10, COS1_5 , 2);\n BF(21, 26,-COS1_5 , 2);\n BF( 2, 5, COS2_2 , 1);\n BF(10, 13,-COS2_2 , 1);\n BF(18, 21, COS2_2 , 1);\n BF(26, 29,-COS2_2 , 1);\n BF( 1, 2, COS3_1 , 2);\n BF( 5, 6,-COS3_1 , 2);\n BF( 9, 10, COS3_1 , 2);\n BF(13, 14,-COS3_1 , 2);\n BF(17, 18, COS3_1 , 2);\n BF(21, 22,-COS3_1 , 2);\n BF(25, 26, COS3_1 , 2);\n BF(29, 30,-COS3_1 , 2);\n BF1( 0, 1, 2, 3);\n BF2( 4, 5, 6, 7);\n BF1( 8, 9, 10, 11);\n BF2(12, 13, 14, 15);\n BF1(16, 17, 18, 19);\n BF2(20, 21, 22, 23);\n BF1(24, 25, 26, 27);\n BF2(28, 29, 30, 31);\n ADD( 8, 12);\n ADD(12, 10);\n ADD(10, 14);\n ADD(14, 9);\n ADD( 9, 13);\n ADD(13, 11);\n ADD(11, 15);\n out[ 0] = val0;\n out[16] = val1;\n out[ 8] = val2;\n out[24] = val3;\n out[ 4] = val4;\n out[20] = val5;\n out[12] = val6;\n out[28] = val7;\n out[ 2] = val8;\n out[18] = val9;\n out[10] = val10;\n out[26] = val11;\n out[ 6] = val12;\n out[22] = val13;\n out[14] = val14;\n out[30] = val15;\n ADD(24, 28);\n ADD(28, 26);\n ADD(26, 30);\n ADD(30, 25);\n ADD(25, 29);\n ADD(29, 27);\n ADD(27, 31);\n out[ 1] = val16 + val24;\n out[17] = val17 + val25;\n out[ 9] = val18 + val26;\n out[25] = val19 + val27;\n out[ 5] = val20 + val28;\n out[21] = val21 + val29;\n out[13] = val22 + val30;\n out[29] = val23 + val31;\n out[ 3] = val24 + val20;\n out[19] = val25 + val21;\n out[11] = val26 + val22;\n out[27] = val27 + val23;\n out[ 7] = val28 + val18;\n out[23] = val29 + val19;\n out[15] = val30 + val17;\n out[31] = val31;\n}']
5,712
0
https://github.com/openssl/openssl/blob/a5fcd09e7552dedf87d5a1ff5d07a0397bc057cb/apps/x509.c/#L1084
static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest, LHASH *conf, char *section) { EVP_PKEY *pktmp; pktmp = X509_get_pubkey(x); EVP_PKEY_copy_parameters(pktmp,pkey); EVP_PKEY_save_parameters(pktmp,1); EVP_PKEY_free(pktmp); if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err; if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err; if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL) goto err; if (!X509_set_pubkey(x,pkey)) goto err; if(conf) { X509V3_CTX ctx; X509_set_version(x,2); X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0); X509V3_set_conf_lhash(&ctx, conf); if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err; } if (!X509_sign(x,pkey,digest)) goto err; return(1); err: ERR_print_errors(bio_err); return(0); }
['static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,\n\t\t\t\t\t\tLHASH *conf, char *section)\n\t{\n\tEVP_PKEY *pktmp;\n\tpktmp = X509_get_pubkey(x);\n\tEVP_PKEY_copy_parameters(pktmp,pkey);\n\tEVP_PKEY_save_parameters(pktmp,1);\n\tEVP_PKEY_free(pktmp);\n\tif (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;\n\tif (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;\n\tif (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)\n\t\tgoto err;\n\tif (!X509_set_pubkey(x,pkey)) goto err;\n\tif(conf) {\n\t\tX509V3_CTX ctx;\n\t\tX509_set_version(x,2);\n X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);\n X509V3_set_conf_lhash(&ctx, conf);\n if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;\n\t}\n\tif (!X509_sign(x,pkey,digest)) goto err;\n\treturn(1);\nerr:\n\tERR_print_errors(bio_err);\n\treturn(0);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}']
5,713
0
https://github.com/libav/libav/blob/0fdc9f81a00f0f32eb93c324bad65d8014deb4dd/libavcodec/indeo3.c/#L472
static int decode_cell_data(Indeo3DecodeContext *ctx, Cell *cell, uint8_t *block, uint8_t *ref_block, ptrdiff_t row_offset, int h_zoom, int v_zoom, int mode, const vqEntry *delta[2], int swap_quads[2], const uint8_t **data_ptr, const uint8_t *last_ptr) { int x, y, line, num_lines; int rle_blocks = 0; uint8_t code, *dst, *ref; const vqEntry *delta_tab; unsigned int dyad1, dyad2; uint64_t pix64; int skip_flag = 0, is_top_of_cell, is_first_row = 1; int blk_row_offset, line_offset; blk_row_offset = (row_offset << (2 + v_zoom)) - (cell->width << 2); line_offset = v_zoom ? row_offset : 0; if (cell->height & v_zoom || cell->width & h_zoom) return IV3_BAD_DATA; for (y = 0; y < cell->height; is_first_row = 0, y += 1 + v_zoom) { for (x = 0; x < cell->width; x += 1 + h_zoom) { ref = ref_block; dst = block; if (rle_blocks > 0) { if (mode <= 4) { RLE_BLOCK_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_BLOCK_COPY_8; } rle_blocks--; } else { for (line = 0; line < 4;) { num_lines = 1; is_top_of_cell = is_first_row && !line; if (mode <= 4) delta_tab = delta[line & 1]; else delta_tab = delta[1]; BUFFER_PRECHECK; code = bytestream_get_byte(data_ptr); if (code < 248) { if (code < delta_tab->num_dyads) { BUFFER_PRECHECK; dyad1 = bytestream_get_byte(data_ptr); dyad2 = code; if (dyad1 >= delta_tab->num_dyads || dyad1 >= 248) return IV3_BAD_DATA; } else { code -= delta_tab->num_dyads; dyad1 = code / delta_tab->quad_exp; dyad2 = code % delta_tab->quad_exp; if (swap_quads[line & 1]) FFSWAP(unsigned int, dyad1, dyad2); } if (mode <= 4) { APPLY_DELTA_4; } else if (mode == 10 && !cell->mv_ptr) { APPLY_DELTA_8; } else { APPLY_DELTA_1011_INTER; } } else { switch (code) { case RLE_ESC_FC: skip_flag = 0; rle_blocks = 1; code = 253; case RLE_ESC_FF: case RLE_ESC_FE: case RLE_ESC_FD: num_lines = 257 - code - line; if (num_lines <= 0) return IV3_BAD_RLE; if (mode <= 4) { RLE_LINES_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_LINES_COPY_M10; } break; case RLE_ESC_FB: BUFFER_PRECHECK; code = bytestream_get_byte(data_ptr); rle_blocks = (code & 0x1F) - 1; if (code >= 64 || rle_blocks < 0) return IV3_BAD_COUNTER; skip_flag = code & 0x20; num_lines = 4 - line; if (mode >= 10 || (cell->mv_ptr || !skip_flag)) { if (mode <= 4) { RLE_LINES_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_LINES_COPY_M10; } } break; case RLE_ESC_F9: skip_flag = 1; rle_blocks = 1; case RLE_ESC_FA: if (line) return IV3_BAD_RLE; num_lines = 4; if (cell->mv_ptr) { if (mode <= 4) { RLE_LINES_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_LINES_COPY_M10; } } break; default: return IV3_UNSUPPORTED; } } line += num_lines; ref += row_offset * (num_lines << v_zoom); dst += row_offset * (num_lines << v_zoom); } } block += 4 << h_zoom; ref_block += 4 << h_zoom; } ref_block += blk_row_offset; block += blk_row_offset; } return IV3_NOERR; }
['static int parse_bintree(Indeo3DecodeContext *ctx, AVCodecContext *avctx,\n Plane *plane, int code, Cell *ref_cell,\n const int depth, const int strip_width)\n{\n Cell curr_cell;\n int bytes_used, ret;\n if (depth <= 0) {\n av_log(avctx, AV_LOG_ERROR, "Stack overflow (corrupted binary tree)!\\n");\n return AVERROR_INVALIDDATA;\n }\n curr_cell = *ref_cell;\n if (code == H_SPLIT) {\n SPLIT_CELL(ref_cell->height, curr_cell.height);\n ref_cell->ypos += curr_cell.height;\n ref_cell->height -= curr_cell.height;\n if (ref_cell->height <= 0 || curr_cell.height <= 0)\n return AVERROR_INVALIDDATA;\n } else if (code == V_SPLIT) {\n if (curr_cell.width > strip_width) {\n curr_cell.width = (curr_cell.width <= (strip_width << 1) ? 1 : 2) * strip_width;\n } else\n SPLIT_CELL(ref_cell->width, curr_cell.width);\n ref_cell->xpos += curr_cell.width;\n ref_cell->width -= curr_cell.width;\n if (ref_cell->width <= 0 || curr_cell.width <= 0)\n return AVERROR_INVALIDDATA;\n }\n while (1) {\n RESYNC_BITSTREAM;\n switch (code = bitstream_read(&ctx->bc, 2)) {\n case H_SPLIT:\n case V_SPLIT:\n if (parse_bintree(ctx, avctx, plane, code, &curr_cell, depth - 1, strip_width))\n return AVERROR_INVALIDDATA;\n break;\n case INTRA_NULL:\n if (!curr_cell.tree) {\n curr_cell.mv_ptr = 0;\n curr_cell.tree = 1;\n } else {\n RESYNC_BITSTREAM;\n code = bitstream_read(&ctx->bc, 2);\n if (code >= 2) {\n av_log(avctx, AV_LOG_ERROR, "Invalid VQ_NULL code: %d\\n", code);\n return AVERROR_INVALIDDATA;\n }\n if (code == 1)\n av_log(avctx, AV_LOG_ERROR, "SkipCell procedure not implemented yet!\\n");\n CHECK_CELL\n if (!curr_cell.mv_ptr)\n return AVERROR_INVALIDDATA;\n ret = copy_cell(ctx, plane, &curr_cell);\n return ret;\n }\n break;\n case INTER_DATA:\n if (!curr_cell.tree) {\n unsigned mv_idx;\n if (!ctx->need_resync)\n ctx->next_cell_data = &ctx->bc.buffer[(bitstream_tell(&ctx->bc) + 7) >> 3];\n mv_idx = *(ctx->next_cell_data++);\n if (mv_idx >= ctx->num_vectors) {\n av_log(avctx, AV_LOG_ERROR, "motion vector index out of range\\n");\n return AVERROR_INVALIDDATA;\n }\n curr_cell.mv_ptr = &ctx->mc_vectors[mv_idx << 1];\n curr_cell.tree = 1;\n UPDATE_BITPOS(8);\n } else {\n if (!ctx->need_resync)\n ctx->next_cell_data = &ctx->bc.buffer[(bitstream_tell(&ctx->bc) + 7) >> 3];\n CHECK_CELL\n bytes_used = decode_cell(ctx, avctx, plane, &curr_cell,\n ctx->next_cell_data, ctx->last_byte);\n if (bytes_used < 0)\n return AVERROR_INVALIDDATA;\n UPDATE_BITPOS(bytes_used << 3);\n ctx->next_cell_data += bytes_used;\n return 0;\n }\n break;\n }\n }\n}', 'static int decode_cell(Indeo3DecodeContext *ctx, AVCodecContext *avctx,\n Plane *plane, Cell *cell, const uint8_t *data_ptr,\n const uint8_t *last_ptr)\n{\n int x, mv_x, mv_y, mode, vq_index, prim_indx, second_indx;\n int zoom_fac;\n int offset, error = 0, swap_quads[2];\n uint8_t code, *block, *ref_block = 0;\n const vqEntry *delta[2];\n const uint8_t *data_start = data_ptr;\n code = *data_ptr++;\n mode = code >> 4;\n vq_index = code & 0xF;\n offset = (cell->ypos << 2) * plane->pitch + (cell->xpos << 2);\n block = plane->pixels[ctx->buf_sel] + offset;\n if (!cell->mv_ptr) {\n ref_block = block - plane->pitch;\n } else if (mode >= 10) {\n int ret = copy_cell(ctx, plane, cell);\n if (ret < 0)\n return ret;\n } else {\n mv_y = cell->mv_ptr[0];\n mv_x = cell->mv_ptr[1];\n if ((cell->ypos << 2) + mv_y < -1 || (cell->xpos << 2) + mv_x < 0 ||\n ((cell->ypos + cell->height) << 2) + mv_y > plane->height ||\n ((cell->xpos + cell->width) << 2) + mv_x > plane->width) {\n av_log(ctx->avctx, AV_LOG_ERROR,\n "Motion vectors point out of the frame.\\n");\n return AVERROR_INVALIDDATA;\n }\n offset += mv_y * plane->pitch + mv_x;\n ref_block = plane->pixels[ctx->buf_sel ^ 1] + offset;\n }\n if (mode == 1 || mode == 4) {\n code = ctx->alt_quant[vq_index];\n prim_indx = (code >> 4) + ctx->cb_offset;\n second_indx = (code & 0xF) + ctx->cb_offset;\n } else {\n vq_index += ctx->cb_offset;\n prim_indx = second_indx = vq_index;\n }\n if (prim_indx >= 24 || second_indx >= 24) {\n av_log(avctx, AV_LOG_ERROR, "Invalid VQ table indexes! Primary: %d, secondary: %d!\\n",\n prim_indx, second_indx);\n return AVERROR_INVALIDDATA;\n }\n delta[0] = &vq_tab[second_indx];\n delta[1] = &vq_tab[prim_indx];\n swap_quads[0] = second_indx >= 16;\n swap_quads[1] = prim_indx >= 16;\n if (vq_index >= 8 && ref_block) {\n for (x = 0; x < cell->width << 2; x++)\n ref_block[x] = requant_tab[vq_index & 7][ref_block[x]];\n }\n error = IV3_NOERR;\n switch (mode) {\n case 0:\n case 1:\n case 3:\n case 4:\n if (mode >= 3 && cell->mv_ptr) {\n av_log(avctx, AV_LOG_ERROR, "Attempt to apply Mode 3/4 to an INTER cell!\\n");\n return AVERROR_INVALIDDATA;\n }\n zoom_fac = mode >= 3;\n error = decode_cell_data(ctx, cell, block, ref_block, plane->pitch,\n 0, zoom_fac, mode, delta, swap_quads,\n &data_ptr, last_ptr);\n break;\n case 10:\n case 11:\n if (mode == 10 && !cell->mv_ptr) {\n error = decode_cell_data(ctx, cell, block, ref_block, plane->pitch,\n 1, 1, mode, delta, swap_quads,\n &data_ptr, last_ptr);\n } else {\n if (mode == 11 && !cell->mv_ptr) {\n av_log(avctx, AV_LOG_ERROR, "Attempt to use Mode 11 for an INTRA cell!\\n");\n return AVERROR_INVALIDDATA;\n }\n zoom_fac = mode == 10;\n error = decode_cell_data(ctx, cell, block, ref_block, plane->pitch,\n zoom_fac, 1, mode, delta, swap_quads,\n &data_ptr, last_ptr);\n }\n break;\n default:\n av_log(avctx, AV_LOG_ERROR, "Unsupported coding mode: %d\\n", mode);\n return AVERROR_INVALIDDATA;\n }\n switch (error) {\n case IV3_BAD_RLE:\n av_log(avctx, AV_LOG_ERROR, "Mode %d: RLE code %X is not allowed at the current line\\n",\n mode, data_ptr[-1]);\n return AVERROR_INVALIDDATA;\n case IV3_BAD_DATA:\n av_log(avctx, AV_LOG_ERROR, "Mode %d: invalid VQ data\\n", mode);\n return AVERROR_INVALIDDATA;\n case IV3_BAD_COUNTER:\n av_log(avctx, AV_LOG_ERROR, "Mode %d: RLE-FB invalid counter: %d\\n", mode, code);\n return AVERROR_INVALIDDATA;\n case IV3_UNSUPPORTED:\n av_log(avctx, AV_LOG_ERROR, "Mode %d: unsupported RLE code: %X\\n", mode, data_ptr[-1]);\n return AVERROR_INVALIDDATA;\n case IV3_OUT_OF_DATA:\n av_log(avctx, AV_LOG_ERROR, "Mode %d: attempt to read past end of buffer\\n", mode);\n return AVERROR_INVALIDDATA;\n }\n return data_ptr - data_start;\n}', 'static int decode_cell_data(Indeo3DecodeContext *ctx, Cell *cell,\n uint8_t *block, uint8_t *ref_block,\n ptrdiff_t row_offset, int h_zoom, int v_zoom, int mode,\n const vqEntry *delta[2], int swap_quads[2],\n const uint8_t **data_ptr, const uint8_t *last_ptr)\n{\n int x, y, line, num_lines;\n int rle_blocks = 0;\n uint8_t code, *dst, *ref;\n const vqEntry *delta_tab;\n unsigned int dyad1, dyad2;\n uint64_t pix64;\n int skip_flag = 0, is_top_of_cell, is_first_row = 1;\n int blk_row_offset, line_offset;\n blk_row_offset = (row_offset << (2 + v_zoom)) - (cell->width << 2);\n line_offset = v_zoom ? row_offset : 0;\n if (cell->height & v_zoom || cell->width & h_zoom)\n return IV3_BAD_DATA;\n for (y = 0; y < cell->height; is_first_row = 0, y += 1 + v_zoom) {\n for (x = 0; x < cell->width; x += 1 + h_zoom) {\n ref = ref_block;\n dst = block;\n if (rle_blocks > 0) {\n if (mode <= 4) {\n RLE_BLOCK_COPY;\n } else if (mode == 10 && !cell->mv_ptr) {\n RLE_BLOCK_COPY_8;\n }\n rle_blocks--;\n } else {\n for (line = 0; line < 4;) {\n num_lines = 1;\n is_top_of_cell = is_first_row && !line;\n if (mode <= 4)\n delta_tab = delta[line & 1];\n else\n delta_tab = delta[1];\n BUFFER_PRECHECK;\n code = bytestream_get_byte(data_ptr);\n if (code < 248) {\n if (code < delta_tab->num_dyads) {\n BUFFER_PRECHECK;\n dyad1 = bytestream_get_byte(data_ptr);\n dyad2 = code;\n if (dyad1 >= delta_tab->num_dyads || dyad1 >= 248)\n return IV3_BAD_DATA;\n } else {\n code -= delta_tab->num_dyads;\n dyad1 = code / delta_tab->quad_exp;\n dyad2 = code % delta_tab->quad_exp;\n if (swap_quads[line & 1])\n FFSWAP(unsigned int, dyad1, dyad2);\n }\n if (mode <= 4) {\n APPLY_DELTA_4;\n } else if (mode == 10 && !cell->mv_ptr) {\n APPLY_DELTA_8;\n } else {\n APPLY_DELTA_1011_INTER;\n }\n } else {\n switch (code) {\n case RLE_ESC_FC:\n skip_flag = 0;\n rle_blocks = 1;\n code = 253;\n case RLE_ESC_FF:\n case RLE_ESC_FE:\n case RLE_ESC_FD:\n num_lines = 257 - code - line;\n if (num_lines <= 0)\n return IV3_BAD_RLE;\n if (mode <= 4) {\n RLE_LINES_COPY;\n } else if (mode == 10 && !cell->mv_ptr) {\n RLE_LINES_COPY_M10;\n }\n break;\n case RLE_ESC_FB:\n BUFFER_PRECHECK;\n code = bytestream_get_byte(data_ptr);\n rle_blocks = (code & 0x1F) - 1;\n if (code >= 64 || rle_blocks < 0)\n return IV3_BAD_COUNTER;\n skip_flag = code & 0x20;\n num_lines = 4 - line;\n if (mode >= 10 || (cell->mv_ptr || !skip_flag)) {\n if (mode <= 4) {\n RLE_LINES_COPY;\n } else if (mode == 10 && !cell->mv_ptr) {\n RLE_LINES_COPY_M10;\n }\n }\n break;\n case RLE_ESC_F9:\n skip_flag = 1;\n rle_blocks = 1;\n case RLE_ESC_FA:\n if (line)\n return IV3_BAD_RLE;\n num_lines = 4;\n if (cell->mv_ptr) {\n if (mode <= 4) {\n RLE_LINES_COPY;\n } else if (mode == 10 && !cell->mv_ptr) {\n RLE_LINES_COPY_M10;\n }\n }\n break;\n default:\n return IV3_UNSUPPORTED;\n }\n }\n line += num_lines;\n ref += row_offset * (num_lines << v_zoom);\n dst += row_offset * (num_lines << v_zoom);\n }\n }\n block += 4 << h_zoom;\n ref_block += 4 << h_zoom;\n }\n ref_block += blk_row_offset;\n block += blk_row_offset;\n }\n return IV3_NOERR;\n}']
5,714
0
https://github.com/openssl/openssl/blob/5c98b2caf5ce545fbf77611431c7084979da8177/crypto/bn/bn_ctx.c/#L440
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) { offset = BN_CTX_POOL_SIZE - 1; p->current = p->current->prev; } else offset--; } }
['int BN_GF2m_mod_inv_arr(BIGNUM *r, const BIGNUM *xx, const unsigned int p[], BN_CTX *ctx)\n\t{\n\tBIGNUM *field;\n\tint ret = 0;\n\tbn_check_top(xx);\n\tBN_CTX_start(ctx);\n\tif ((field = BN_CTX_get(ctx)) == NULL) goto err;\n\tif (!BN_GF2m_arr2poly(p, field)) goto err;\n\tret = BN_GF2m_mod_inv(r, xx, field, ctx);\n\tbn_check_top(r);\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n\t{\n\tBIGNUM *ret;\n\tCTXDBG_ENTRY("BN_CTX_get", ctx);\n\tif(ctx->err_stack || ctx->too_many) return NULL;\n\tif((ret = BN_POOL_get(&ctx->pool)) == NULL)\n\t\t{\n\t\tctx->too_many = 1;\n\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\treturn NULL;\n\t\t}\n\tBN_zero(ret);\n\tctx->used++;\n\tCTXDBG_RET(ctx, ret);\n\treturn ret;\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static void BN_POOL_release(BN_POOL *p, unsigned int num)\n\t{\n\tunsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;\n\tp->used -= num;\n\twhile(num--)\n\t\t{\n\t\tbn_check_top(p->current->vals + offset);\n\t\tif(!offset)\n\t\t\t{\n\t\t\toffset = BN_CTX_POOL_SIZE - 1;\n\t\t\tp->current = p->current->prev;\n\t\t\t}\n\t\telse\n\t\t\toffset--;\n\t\t}\n\t}']
5,715
0
https://github.com/openssl/openssl/blob/9bf682f62bd819d2fbceb95eeabd61dd4532240f/crypto/bio/b_print.c/#L353
static int _dopr(char **sbuffer, char **buffer, size_t *maxlen, size_t *retlen, int *truncated, const char *format, va_list args) { char ch; int64_t value; LDOUBLE fvalue; char *strvalue; int min; int max; int state; int flags; int cflags; size_t currlen; state = DP_S_DEFAULT; flags = currlen = cflags = min = 0; max = -1; ch = *format++; while (state != DP_S_DONE) { if (ch == '\0' || (buffer == NULL && currlen >= *maxlen)) state = DP_S_DONE; switch (state) { case DP_S_DEFAULT: if (ch == '%') state = DP_S_FLAGS; else if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) return 0; ch = *format++; break; case DP_S_FLAGS: switch (ch) { case '-': flags |= DP_F_MINUS; ch = *format++; break; case '+': flags |= DP_F_PLUS; ch = *format++; break; case ' ': flags |= DP_F_SPACE; ch = *format++; break; case '#': flags |= DP_F_NUM; ch = *format++; break; case '0': flags |= DP_F_ZERO; ch = *format++; break; default: state = DP_S_MIN; break; } break; case DP_S_MIN: if (ossl_isdigit(ch)) { min = 10 * min + char_to_int(ch); ch = *format++; } else if (ch == '*') { min = va_arg(args, int); ch = *format++; state = DP_S_DOT; } else state = DP_S_DOT; break; case DP_S_DOT: if (ch == '.') { state = DP_S_MAX; ch = *format++; } else state = DP_S_MOD; break; case DP_S_MAX: if (ossl_isdigit(ch)) { if (max < 0) max = 0; max = 10 * max + char_to_int(ch); ch = *format++; } else if (ch == '*') { max = va_arg(args, int); ch = *format++; state = DP_S_MOD; } else state = DP_S_MOD; break; case DP_S_MOD: switch (ch) { case 'h': cflags = DP_C_SHORT; ch = *format++; break; case 'l': if (*format == 'l') { cflags = DP_C_LLONG; format++; } else cflags = DP_C_LONG; ch = *format++; break; case 'q': case 'j': cflags = DP_C_LLONG; ch = *format++; break; case 'L': cflags = DP_C_LDOUBLE; ch = *format++; break; case 'z': cflags = DP_C_SIZE; ch = *format++; break; default: break; } state = DP_S_CONV; break; case DP_S_CONV: switch (ch) { case 'd': case 'i': switch (cflags) { case DP_C_SHORT: value = (short int)va_arg(args, int); break; case DP_C_LONG: value = va_arg(args, long int); break; case DP_C_LLONG: value = va_arg(args, int64_t); break; case DP_C_SIZE: value = va_arg(args, ossl_ssize_t); break; default: value = va_arg(args, int); break; } if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min, max, flags)) return 0; break; case 'X': flags |= DP_F_UP; case 'x': case 'o': case 'u': flags |= DP_F_UNSIGNED; switch (cflags) { case DP_C_SHORT: value = (unsigned short int)va_arg(args, unsigned int); break; case DP_C_LONG: value = va_arg(args, unsigned long int); break; case DP_C_LLONG: value = va_arg(args, uint64_t); break; case DP_C_SIZE: value = va_arg(args, size_t); break; default: value = va_arg(args, unsigned int); break; } if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), min, max, flags)) return 0; break; case 'f': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, F_FORMAT)) return 0; break; case 'E': flags |= DP_F_UP; case 'e': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, E_FORMAT)) return 0; break; case 'G': flags |= DP_F_UP; case 'g': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, G_FORMAT)) return 0; break; case 'c': if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, va_arg(args, int))) return 0; break; case 's': strvalue = va_arg(args, char *); if (max < 0) { if (buffer) max = INT_MAX; else max = *maxlen; } if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue, flags, min, max)) return 0; break; case 'p': value = (size_t)va_arg(args, void *); if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 16, min, max, flags | DP_F_NUM)) return 0; break; case 'n': { int *num; num = va_arg(args, int *); *num = currlen; } break; case '%': if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) return 0; break; case 'w': ch = *format++; break; default: break; } ch = *format++; state = DP_S_DEFAULT; flags = cflags = min = 0; max = -1; break; case DP_S_DONE: break; default: break; } } if (buffer == NULL) { *truncated = (currlen > *maxlen - 1); if (*truncated) currlen = *maxlen - 1; } if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0')) return 0; *retlen = currlen - 1; return 1; }
['static int print_param_types(const char *thing, const OSSL_PARAM *pdefs)\n{\n if (pdefs == NULL) {\n BIO_printf(bio_out, " No declared %s\\n", thing);\n } else if (pdefs->key == NULL) {\n BIO_printf(bio_out, " Empty list of %s (!!!)\\n", thing);\n } else {\n BIO_printf(bio_out, " %s:\\n", thing);\n for (; pdefs->key != NULL; pdefs++) {\n char buf[200];\n describe_param_type(buf, sizeof(buf), pdefs);\n BIO_printf(bio_out, " %s\\n", buf);\n }\n }\n return 1;\n}', 'static int describe_param_type(char *buf, size_t bufsz, const OSSL_PARAM *param)\n{\n const char *type_mod = "";\n const char *type = NULL;\n int show_type_number = 0;\n int printed_len;\n switch (param->data_type) {\n case OSSL_PARAM_UNSIGNED_INTEGER:\n type_mod = "unsigned ";\n case OSSL_PARAM_INTEGER:\n type = "integer";\n break;\n case OSSL_PARAM_UTF8_PTR:\n type_mod = "pointer to a ";\n case OSSL_PARAM_UTF8_STRING:\n type = "UTF8 encoded string";\n break;\n case OSSL_PARAM_OCTET_PTR:\n type_mod = "pointer to an ";\n case OSSL_PARAM_OCTET_STRING:\n type = "octet string";\n break;\n default:\n type = "unknown type";\n show_type_number = 1;\n break;\n }\n printed_len = BIO_snprintf(buf, bufsz, "%s: ", param->key);\n if (printed_len > 0) {\n buf += printed_len;\n bufsz -= printed_len;\n }\n printed_len = BIO_snprintf(buf, bufsz, "%s%s", type_mod, type);\n if (printed_len > 0) {\n buf += printed_len;\n bufsz -= printed_len;\n }\n if (show_type_number) {\n printed_len = BIO_snprintf(buf, bufsz, " [%d]", param->data_type);\n if (printed_len > 0) {\n buf += printed_len;\n bufsz -= printed_len;\n }\n }\n if (param->data_size == 0)\n printed_len = BIO_snprintf(buf, bufsz, " (arbitrary size)");\n else\n printed_len = BIO_snprintf(buf, bufsz, " (max %zu bytes large)",\n param->data_size);\n if (printed_len > 0) {\n buf += printed_len;\n bufsz -= printed_len;\n }\n *buf = \'\\0\';\n return 1;\n}', 'int BIO_snprintf(char *buf, size_t n, const char *format, ...)\n{\n va_list args;\n int ret;\n va_start(args, format);\n ret = BIO_vsnprintf(buf, n, format, args);\n va_end(args);\n return ret;\n}', 'int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)\n{\n size_t retlen;\n int truncated;\n if (!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args))\n return -1;\n if (truncated)\n return -1;\n else\n return (retlen <= INT_MAX) ? (int)retlen : -1;\n}', "static int\n_dopr(char **sbuffer,\n char **buffer,\n size_t *maxlen,\n size_t *retlen, int *truncated, const char *format, va_list args)\n{\n char ch;\n int64_t value;\n LDOUBLE fvalue;\n char *strvalue;\n int min;\n int max;\n int state;\n int flags;\n int cflags;\n size_t currlen;\n state = DP_S_DEFAULT;\n flags = currlen = cflags = min = 0;\n max = -1;\n ch = *format++;\n while (state != DP_S_DONE) {\n if (ch == '\\0' || (buffer == NULL && currlen >= *maxlen))\n state = DP_S_DONE;\n switch (state) {\n case DP_S_DEFAULT:\n if (ch == '%')\n state = DP_S_FLAGS;\n else\n if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))\n return 0;\n ch = *format++;\n break;\n case DP_S_FLAGS:\n switch (ch) {\n case '-':\n flags |= DP_F_MINUS;\n ch = *format++;\n break;\n case '+':\n flags |= DP_F_PLUS;\n ch = *format++;\n break;\n case ' ':\n flags |= DP_F_SPACE;\n ch = *format++;\n break;\n case '#':\n flags |= DP_F_NUM;\n ch = *format++;\n break;\n case '0':\n flags |= DP_F_ZERO;\n ch = *format++;\n break;\n default:\n state = DP_S_MIN;\n break;\n }\n break;\n case DP_S_MIN:\n if (ossl_isdigit(ch)) {\n min = 10 * min + char_to_int(ch);\n ch = *format++;\n } else if (ch == '*') {\n min = va_arg(args, int);\n ch = *format++;\n state = DP_S_DOT;\n } else\n state = DP_S_DOT;\n break;\n case DP_S_DOT:\n if (ch == '.') {\n state = DP_S_MAX;\n ch = *format++;\n } else\n state = DP_S_MOD;\n break;\n case DP_S_MAX:\n if (ossl_isdigit(ch)) {\n if (max < 0)\n max = 0;\n max = 10 * max + char_to_int(ch);\n ch = *format++;\n } else if (ch == '*') {\n max = va_arg(args, int);\n ch = *format++;\n state = DP_S_MOD;\n } else\n state = DP_S_MOD;\n break;\n case DP_S_MOD:\n switch (ch) {\n case 'h':\n cflags = DP_C_SHORT;\n ch = *format++;\n break;\n case 'l':\n if (*format == 'l') {\n cflags = DP_C_LLONG;\n format++;\n } else\n cflags = DP_C_LONG;\n ch = *format++;\n break;\n case 'q':\n case 'j':\n cflags = DP_C_LLONG;\n ch = *format++;\n break;\n case 'L':\n cflags = DP_C_LDOUBLE;\n ch = *format++;\n break;\n case 'z':\n cflags = DP_C_SIZE;\n ch = *format++;\n break;\n default:\n break;\n }\n state = DP_S_CONV;\n break;\n case DP_S_CONV:\n switch (ch) {\n case 'd':\n case 'i':\n switch (cflags) {\n case DP_C_SHORT:\n value = (short int)va_arg(args, int);\n break;\n case DP_C_LONG:\n value = va_arg(args, long int);\n break;\n case DP_C_LLONG:\n value = va_arg(args, int64_t);\n break;\n case DP_C_SIZE:\n value = va_arg(args, ossl_ssize_t);\n break;\n default:\n value = va_arg(args, int);\n break;\n }\n if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min,\n max, flags))\n return 0;\n break;\n case 'X':\n flags |= DP_F_UP;\n case 'x':\n case 'o':\n case 'u':\n flags |= DP_F_UNSIGNED;\n switch (cflags) {\n case DP_C_SHORT:\n value = (unsigned short int)va_arg(args, unsigned int);\n break;\n case DP_C_LONG:\n value = va_arg(args, unsigned long int);\n break;\n case DP_C_LLONG:\n value = va_arg(args, uint64_t);\n break;\n case DP_C_SIZE:\n value = va_arg(args, size_t);\n break;\n default:\n value = va_arg(args, unsigned int);\n break;\n }\n if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,\n ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),\n min, max, flags))\n return 0;\n break;\n case 'f':\n if (cflags == DP_C_LDOUBLE)\n fvalue = va_arg(args, LDOUBLE);\n else\n fvalue = va_arg(args, double);\n if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,\n flags, F_FORMAT))\n return 0;\n break;\n case 'E':\n flags |= DP_F_UP;\n case 'e':\n if (cflags == DP_C_LDOUBLE)\n fvalue = va_arg(args, LDOUBLE);\n else\n fvalue = va_arg(args, double);\n if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,\n flags, E_FORMAT))\n return 0;\n break;\n case 'G':\n flags |= DP_F_UP;\n case 'g':\n if (cflags == DP_C_LDOUBLE)\n fvalue = va_arg(args, LDOUBLE);\n else\n fvalue = va_arg(args, double);\n if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,\n flags, G_FORMAT))\n return 0;\n break;\n case 'c':\n if (!doapr_outch(sbuffer, buffer, &currlen, maxlen,\n va_arg(args, int)))\n return 0;\n break;\n case 's':\n strvalue = va_arg(args, char *);\n if (max < 0) {\n if (buffer)\n max = INT_MAX;\n else\n max = *maxlen;\n }\n if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,\n flags, min, max))\n return 0;\n break;\n case 'p':\n value = (size_t)va_arg(args, void *);\n if (!fmtint(sbuffer, buffer, &currlen, maxlen,\n value, 16, min, max, flags | DP_F_NUM))\n return 0;\n break;\n case 'n':\n {\n int *num;\n num = va_arg(args, int *);\n *num = currlen;\n }\n break;\n case '%':\n if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))\n return 0;\n break;\n case 'w':\n ch = *format++;\n break;\n default:\n break;\n }\n ch = *format++;\n state = DP_S_DEFAULT;\n flags = cflags = min = 0;\n max = -1;\n break;\n case DP_S_DONE:\n break;\n default:\n break;\n }\n }\n if (buffer == NULL) {\n *truncated = (currlen > *maxlen - 1);\n if (*truncated)\n currlen = *maxlen - 1;\n }\n if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\\0'))\n return 0;\n *retlen = currlen - 1;\n return 1;\n}"]
5,716
0
https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/pkcs12/p12_key.c/#L132
int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt, int saltlen, int id, int iter, int n, unsigned char *out, const EVP_MD *md_type) { unsigned char *B = NULL, *D = NULL, *I = NULL, *p = NULL, *Ai = NULL; int Slen, Plen, Ilen, Ijlen; int i, j, u, v; int ret = 0; BIGNUM *Ij = NULL, *Bpl1 = NULL; EVP_MD_CTX *ctx = NULL; #ifdef DEBUG_KEYGEN unsigned char *tmpout = out; int tmpn = n; #endif ctx = EVP_MD_CTX_new(); if (ctx == NULL) goto err; #ifdef DEBUG_KEYGEN fprintf(stderr, "KEYGEN DEBUG\n"); fprintf(stderr, "ID %d, ITER %d\n", id, iter); fprintf(stderr, "Password (length %d):\n", passlen); h__dump(pass, passlen); fprintf(stderr, "Salt (length %d):\n", saltlen); h__dump(salt, saltlen); #endif v = EVP_MD_block_size(md_type); u = EVP_MD_size(md_type); if (u < 0) return 0; D = OPENSSL_malloc(v); Ai = OPENSSL_malloc(u); B = OPENSSL_malloc(v + 1); Slen = v * ((saltlen + v - 1) / v); if (passlen) Plen = v * ((passlen + v - 1) / v); else Plen = 0; Ilen = Slen + Plen; I = OPENSSL_malloc(Ilen); Ij = BN_new(); Bpl1 = BN_new(); if (D == NULL || Ai == NULL || B == NULL || I == NULL || Ij == NULL || Bpl1 == NULL) goto err; for (i = 0; i < v; i++) D[i] = id; p = I; for (i = 0; i < Slen; i++) *p++ = salt[i % saltlen]; for (i = 0; i < Plen; i++) *p++ = pass[i % passlen]; for (;;) { if (!EVP_DigestInit_ex(ctx, md_type, NULL) || !EVP_DigestUpdate(ctx, D, v) || !EVP_DigestUpdate(ctx, I, Ilen) || !EVP_DigestFinal_ex(ctx, Ai, NULL)) goto err; for (j = 1; j < iter; j++) { if (!EVP_DigestInit_ex(ctx, md_type, NULL) || !EVP_DigestUpdate(ctx, Ai, u) || !EVP_DigestFinal_ex(ctx, Ai, NULL)) goto err; } memcpy(out, Ai, min(n, u)); if (u >= n) { #ifdef DEBUG_KEYGEN fprintf(stderr, "Output KEY (length %d)\n", tmpn); h__dump(tmpout, tmpn); #endif ret = 1; goto end; } n -= u; out += u; for (j = 0; j < v; j++) B[j] = Ai[j % u]; if (!BN_bin2bn(B, v, Bpl1)) goto err; if (!BN_add_word(Bpl1, 1)) goto err; for (j = 0; j < Ilen; j += v) { if (!BN_bin2bn(I + j, v, Ij)) goto err; if (!BN_add(Ij, Ij, Bpl1)) goto err; if (!BN_bn2bin(Ij, B)) goto err; Ijlen = BN_num_bytes(Ij); if (Ijlen > v) { if (!BN_bn2bin(Ij, B)) goto err; memcpy(I + j, B + 1, v); #ifndef PKCS12_BROKEN_KEYGEN } else if (Ijlen < v) { memset(I + j, 0, v - Ijlen); if (!BN_bn2bin(Ij, I + j + v - Ijlen)) goto err; #endif } else if (!BN_bn2bin(Ij, I + j)) goto err; } } err: PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI, ERR_R_MALLOC_FAILURE); end: OPENSSL_free(Ai); OPENSSL_free(B); OPENSSL_free(D); OPENSSL_free(I); BN_free(Ij); BN_free(Bpl1); EVP_MD_CTX_free(ctx); return ret; }
['int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,\n int saltlen, int id, int iter, int n,\n unsigned char *out, const EVP_MD *md_type)\n{\n unsigned char *B = NULL, *D = NULL, *I = NULL, *p = NULL, *Ai = NULL;\n int Slen, Plen, Ilen, Ijlen;\n int i, j, u, v;\n int ret = 0;\n BIGNUM *Ij = NULL, *Bpl1 = NULL;\n EVP_MD_CTX *ctx = NULL;\n#ifdef DEBUG_KEYGEN\n unsigned char *tmpout = out;\n int tmpn = n;\n#endif\n ctx = EVP_MD_CTX_new();\n if (ctx == NULL)\n goto err;\n#ifdef DEBUG_KEYGEN\n fprintf(stderr, "KEYGEN DEBUG\\n");\n fprintf(stderr, "ID %d, ITER %d\\n", id, iter);\n fprintf(stderr, "Password (length %d):\\n", passlen);\n h__dump(pass, passlen);\n fprintf(stderr, "Salt (length %d):\\n", saltlen);\n h__dump(salt, saltlen);\n#endif\n v = EVP_MD_block_size(md_type);\n u = EVP_MD_size(md_type);\n if (u < 0)\n return 0;\n D = OPENSSL_malloc(v);\n Ai = OPENSSL_malloc(u);\n B = OPENSSL_malloc(v + 1);\n Slen = v * ((saltlen + v - 1) / v);\n if (passlen)\n Plen = v * ((passlen + v - 1) / v);\n else\n Plen = 0;\n Ilen = Slen + Plen;\n I = OPENSSL_malloc(Ilen);\n Ij = BN_new();\n Bpl1 = BN_new();\n if (D == NULL || Ai == NULL || B == NULL || I == NULL || Ij == NULL\n || Bpl1 == NULL)\n goto err;\n for (i = 0; i < v; i++)\n D[i] = id;\n p = I;\n for (i = 0; i < Slen; i++)\n *p++ = salt[i % saltlen];\n for (i = 0; i < Plen; i++)\n *p++ = pass[i % passlen];\n for (;;) {\n if (!EVP_DigestInit_ex(ctx, md_type, NULL)\n || !EVP_DigestUpdate(ctx, D, v)\n || !EVP_DigestUpdate(ctx, I, Ilen)\n || !EVP_DigestFinal_ex(ctx, Ai, NULL))\n goto err;\n for (j = 1; j < iter; j++) {\n if (!EVP_DigestInit_ex(ctx, md_type, NULL)\n || !EVP_DigestUpdate(ctx, Ai, u)\n || !EVP_DigestFinal_ex(ctx, Ai, NULL))\n goto err;\n }\n memcpy(out, Ai, min(n, u));\n if (u >= n) {\n#ifdef DEBUG_KEYGEN\n fprintf(stderr, "Output KEY (length %d)\\n", tmpn);\n h__dump(tmpout, tmpn);\n#endif\n ret = 1;\n goto end;\n }\n n -= u;\n out += u;\n for (j = 0; j < v; j++)\n B[j] = Ai[j % u];\n if (!BN_bin2bn(B, v, Bpl1))\n goto err;\n if (!BN_add_word(Bpl1, 1))\n goto err;\n for (j = 0; j < Ilen; j += v) {\n if (!BN_bin2bn(I + j, v, Ij))\n goto err;\n if (!BN_add(Ij, Ij, Bpl1))\n goto err;\n if (!BN_bn2bin(Ij, B))\n goto err;\n Ijlen = BN_num_bytes(Ij);\n if (Ijlen > v) {\n if (!BN_bn2bin(Ij, B))\n goto err;\n memcpy(I + j, B + 1, v);\n#ifndef PKCS12_BROKEN_KEYGEN\n } else if (Ijlen < v) {\n memset(I + j, 0, v - Ijlen);\n if (!BN_bn2bin(Ij, I + j + v - Ijlen))\n goto err;\n#endif\n } else if (!BN_bn2bin(Ij, I + j))\n goto err;\n }\n }\n err:\n PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI, ERR_R_MALLOC_FAILURE);\n end:\n OPENSSL_free(Ai);\n OPENSSL_free(B);\n OPENSSL_free(D);\n OPENSSL_free(I);\n BN_free(Ij);\n BN_free(Bpl1);\n EVP_MD_CTX_free(ctx);\n return ret;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'int EVP_MD_block_size(const EVP_MD *md)\n{\n return md->block_size;\n}', 'int EVP_MD_size(const EVP_MD *md)\n{\n if (!md) {\n EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);\n return -1;\n }\n return md->md_size;\n}']
5,717
0
https://github.com/libav/libav/blob/26f027fba1c5ab482fa2488fbe0fa36c8bb33b69/libavcodec/noise_bsf.c/#L37
static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe){ unsigned int *state= bsfc->priv_data; int amount= args ? atoi(args) : (*state % 10001+1); int i; *poutbuf= av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(*poutbuf, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE); for(i=0; i<buf_size; i++){ (*state) += (*poutbuf)[i] + 1; if(*state % amount == 0) (*poutbuf)[i] = *state; } return 1; }
['static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,\n uint8_t **poutbuf, int *poutbuf_size,\n const uint8_t *buf, int buf_size, int keyframe){\n unsigned int *state= bsfc->priv_data;\n int amount= args ? atoi(args) : (*state % 10001+1);\n int i;\n *poutbuf= av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);\n memcpy(*poutbuf, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);\n for(i=0; i<buf_size; i++){\n (*state) += (*poutbuf)[i] + 1;\n if(*state % amount == 0)\n (*poutbuf)[i] = *state;\n }\n return 1;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if (size > (INT_MAX - 32) || !size)\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size + 32);\n if (!ptr)\n return ptr;\n diff = ((-(long)ptr - 1) & 31) + 1;\n ptr = (char *)ptr + diff;\n ((char *)ptr)[-1] = diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr, 32, size))\n ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n ptr = memalign(32, size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}']
5,718
0
https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavcodec/mpegaudiodec.c/#L892
void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, MPA_INT *window, int *dither_state, OUT_INT *samples, int incr, int32_t sb_samples[SBLIMIT]) { int32_t tmp[32]; register MPA_INT *synth_buf; register const MPA_INT *w, *w2, *p; int j, offset, v; OUT_INT *samples2; #if FRAC_BITS <= 15 int sum, sum2; #else int64_t sum, sum2; #endif dct32(tmp, sb_samples); offset = *synth_buf_offset; synth_buf = synth_buf_ptr + offset; for(j=0;j<32;j++) { v = tmp[j]; #if FRAC_BITS <= 15 v = av_clip_int16(v); #endif synth_buf[j] = v; } memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT)); samples2 = samples + 31 * incr; w = window; w2 = window + 31; sum = *dither_state; p = synth_buf + 16; SUM8(MACS, sum, w, p); p = synth_buf + 48; SUM8(MLSS, sum, w + 32, p); *samples = round_sample(&sum); samples += incr; w++; for(j=1;j<16;j++) { sum2 = 0; p = synth_buf + 16 + j; SUM8P2(sum, MACS, sum2, MLSS, w, w2, p); p = synth_buf + 48 - j; SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p); *samples = round_sample(&sum); samples += incr; sum += sum2; *samples2 = round_sample(&sum); samples2 -= incr; w++; w2--; } p = synth_buf + 32; SUM8(MLSS, sum, w + 32, p); *samples = round_sample(&sum); *dither_state= sum; offset = (offset - 32) & 511; *synth_buf_offset = offset; }
['static void mpc_synth(MPCContext *c, int16_t *out)\n{\n int dither_state = 0;\n int i, ch;\n OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;\n for(ch = 0; ch < 2; ch++){\n samples_ptr = samples + ch;\n for(i = 0; i < SAMPLES_PER_BAND; i++) {\n ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),\n mpa_window, &dither_state,\n samples_ptr, 2,\n c->sb_samples[ch][i]);\n samples_ptr += 64;\n }\n }\n for(i = 0; i < MPC_FRAME_SIZE*2; i++)\n *out++=samples[i];\n}', 'void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,\n MPA_INT *window, int *dither_state,\n OUT_INT *samples, int incr,\n int32_t sb_samples[SBLIMIT])\n{\n int32_t tmp[32];\n register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset, v;\n OUT_INT *samples2;\n#if FRAC_BITS <= 15\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n dct32(tmp, sb_samples);\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n for(j=0;j<32;j++) {\n v = tmp[j];\n#if FRAC_BITS <= 15\n v = av_clip_int16(v);\n#endif\n synth_buf[j] = v;\n }\n memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));\n samples2 = samples + 31 * incr;\n w = window;\n w2 = window + 31;\n sum = *dither_state;\n p = synth_buf + 16;\n SUM8(MACS, sum, w, p);\n p = synth_buf + 48;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n w++;\n for(j=1;j<16;j++) {\n sum2 = 0;\n p = synth_buf + 16 + j;\n SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);\n p = synth_buf + 48 - j;\n SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n sum += sum2;\n *samples2 = round_sample(&sum);\n samples2 -= incr;\n w++;\n w2--;\n }\n p = synth_buf + 32;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n *dither_state= sum;\n offset = (offset - 32) & 511;\n *synth_buf_offset = offset;\n}']
5,719
0
https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L271
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return (NULL); } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return (NULL); } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
['int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,\n const EVP_MD *evpmd, const unsigned char *seed_in,\n size_t seed_len, int idx, unsigned char *seed_out,\n int *counter_ret, unsigned long *h_ret,\n BN_GENCB *cb)\n{\n int ok = -1;\n unsigned char *seed = NULL, *seed_tmp = NULL;\n unsigned char md[EVP_MAX_MD_SIZE];\n int mdsize;\n BIGNUM *r0, *W, *X, *c, *test;\n BIGNUM *g = NULL, *q = NULL, *p = NULL;\n BN_MONT_CTX *mont = NULL;\n int i, k, n = 0, m = 0, qsize = N >> 3;\n int counter = 0;\n int r = 0;\n BN_CTX *ctx = NULL;\n EVP_MD_CTX *mctx = EVP_MD_CTX_new();\n unsigned int h = 2;\n if (mctx == NULL)\n goto err;\n if (evpmd == NULL) {\n if (N == 160)\n evpmd = EVP_sha1();\n else if (N == 224)\n evpmd = EVP_sha224();\n else\n evpmd = EVP_sha256();\n }\n mdsize = EVP_MD_size(evpmd);\n if (!ret->p || !ret->q || idx >= 0) {\n if (seed_len == 0)\n seed_len = mdsize;\n seed = OPENSSL_malloc(seed_len);\n if (seed_out)\n seed_tmp = seed_out;\n else\n seed_tmp = OPENSSL_malloc(seed_len);\n if (seed == NULL || seed_tmp == NULL)\n goto err;\n if (seed_in)\n memcpy(seed, seed_in, seed_len);\n }\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n r0 = BN_CTX_get(ctx);\n g = BN_CTX_get(ctx);\n W = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n c = BN_CTX_get(ctx);\n test = BN_CTX_get(ctx);\n if (test == NULL)\n goto err;\n if (ret->p && ret->q) {\n p = ret->p;\n q = ret->q;\n if (idx >= 0)\n memcpy(seed_tmp, seed, seed_len);\n goto g_only;\n } else {\n p = BN_CTX_get(ctx);\n q = BN_CTX_get(ctx);\n }\n if (!BN_lshift(test, BN_value_one(), L - 1))\n goto err;\n for (;;) {\n for (;;) {\n unsigned char *pmd;\n if (!BN_GENCB_call(cb, 0, m++))\n goto err;\n if (!seed_in) {\n if (RAND_bytes(seed, seed_len) <= 0)\n goto err;\n }\n if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL))\n goto err;\n if (mdsize > qsize)\n pmd = md + mdsize - qsize;\n else\n pmd = md;\n if (mdsize < qsize)\n memset(md + mdsize, 0, qsize - mdsize);\n pmd[0] |= 0x80;\n pmd[qsize - 1] |= 0x01;\n if (!BN_bin2bn(pmd, qsize, q))\n goto err;\n r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx,\n seed_in ? 1 : 0, cb);\n if (r > 0)\n break;\n if (r != 0)\n goto err;\n if (seed_in) {\n ok = 0;\n DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_Q_NOT_PRIME);\n goto err;\n }\n }\n if (seed_out)\n memcpy(seed_out, seed, seed_len);\n if (!BN_GENCB_call(cb, 2, 0))\n goto err;\n if (!BN_GENCB_call(cb, 3, 0))\n goto err;\n counter = 0;\n n = (L - 1) / (mdsize << 3);\n for (;;) {\n if ((counter != 0) && !BN_GENCB_call(cb, 0, counter))\n goto err;\n BN_zero(W);\n for (k = 0; k <= n; k++) {\n for (i = seed_len - 1; i >= 0; i--) {\n seed[i]++;\n if (seed[i] != 0)\n break;\n }\n if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL))\n goto err;\n if (!BN_bin2bn(md, mdsize, r0))\n goto err;\n if (!BN_lshift(r0, r0, (mdsize << 3) * k))\n goto err;\n if (!BN_add(W, W, r0))\n goto err;\n }\n if (!BN_mask_bits(W, L - 1))\n goto err;\n if (!BN_copy(X, W))\n goto err;\n if (!BN_add(X, X, test))\n goto err;\n if (!BN_lshift1(r0, q))\n goto err;\n if (!BN_mod(c, X, r0, ctx))\n goto err;\n if (!BN_sub(r0, c, BN_value_one()))\n goto err;\n if (!BN_sub(p, X, r0))\n goto err;\n if (BN_cmp(p, test) >= 0) {\n r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, ctx, 1, cb);\n if (r > 0)\n goto end;\n if (r != 0)\n goto err;\n }\n counter++;\n if (counter >= (int)(4 * L))\n break;\n }\n if (seed_in) {\n ok = 0;\n DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_INVALID_PARAMETERS);\n goto err;\n }\n }\n end:\n if (!BN_GENCB_call(cb, 2, 1))\n goto err;\n g_only:\n if (!BN_sub(test, p, BN_value_one()))\n goto err;\n if (!BN_div(r0, NULL, test, q, ctx))\n goto err;\n if (idx < 0) {\n if (!BN_set_word(test, h))\n goto err;\n } else\n h = 1;\n if (!BN_MONT_CTX_set(mont, p, ctx))\n goto err;\n for (;;) {\n static const unsigned char ggen[4] = { 0x67, 0x67, 0x65, 0x6e };\n if (idx >= 0) {\n md[0] = idx & 0xff;\n md[1] = (h >> 8) & 0xff;\n md[2] = h & 0xff;\n if (!EVP_DigestInit_ex(mctx, evpmd, NULL))\n goto err;\n if (!EVP_DigestUpdate(mctx, seed_tmp, seed_len))\n goto err;\n if (!EVP_DigestUpdate(mctx, ggen, sizeof(ggen)))\n goto err;\n if (!EVP_DigestUpdate(mctx, md, 3))\n goto err;\n if (!EVP_DigestFinal_ex(mctx, md, NULL))\n goto err;\n if (!BN_bin2bn(md, mdsize, test))\n goto err;\n }\n if (!BN_mod_exp_mont(g, test, r0, p, ctx, mont))\n goto err;\n if (!BN_is_one(g))\n break;\n if (idx < 0 && !BN_add(test, test, BN_value_one()))\n goto err;\n h++;\n if (idx >= 0 && h > 0xffff)\n goto err;\n }\n if (!BN_GENCB_call(cb, 3, 1))\n goto err;\n ok = 1;\n err:\n if (ok == 1) {\n if (p != ret->p) {\n BN_free(ret->p);\n ret->p = BN_dup(p);\n }\n if (q != ret->q) {\n BN_free(ret->q);\n ret->q = BN_dup(q);\n }\n BN_free(ret->g);\n ret->g = BN_dup(g);\n if (ret->p == NULL || ret->q == NULL || ret->g == NULL) {\n ok = -1;\n goto err;\n }\n if (counter_ret != NULL)\n *counter_ret = counter;\n if (h_ret != NULL)\n *h_ret = h;\n }\n OPENSSL_free(seed);\n if (seed_out != seed_tmp)\n OPENSSL_free(seed_tmp);\n if (ctx)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n BN_MONT_CTX_free(mont);\n EVP_MD_CTX_free(mctx);\n return ok;\n}', 'int BN_is_prime_fasttest_ex(const BIGNUM *a, int checks, BN_CTX *ctx_passed,\n int do_trial_division, BN_GENCB *cb)\n{\n int i, j, ret = -1;\n int k;\n BN_CTX *ctx = NULL;\n BIGNUM *A1, *A1_odd, *check;\n BN_MONT_CTX *mont = NULL;\n const BIGNUM *A = NULL;\n if (BN_cmp(a, BN_value_one()) <= 0)\n return 0;\n if (checks == BN_prime_checks)\n checks = BN_prime_checks_for_size(BN_num_bits(a));\n if (!BN_is_odd(a))\n return BN_is_word(a, 2);\n if (do_trial_division) {\n for (i = 1; i < NUMPRIMES; i++) {\n BN_ULONG mod = BN_mod_word(a, primes[i]);\n if (mod == (BN_ULONG)-1)\n goto err;\n if (mod == 0)\n return 0;\n }\n if (!BN_GENCB_call(cb, 1, -1))\n goto err;\n }\n if (ctx_passed != NULL)\n ctx = ctx_passed;\n else if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n if (a->neg) {\n BIGNUM *t;\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (BN_copy(t, a) == NULL)\n goto err;\n t->neg = 0;\n A = t;\n } else\n A = a;\n A1 = BN_CTX_get(ctx);\n A1_odd = BN_CTX_get(ctx);\n check = BN_CTX_get(ctx);\n if (check == NULL)\n goto err;\n if (!BN_copy(A1, A))\n goto err;\n if (!BN_sub_word(A1, 1))\n goto err;\n if (BN_is_zero(A1)) {\n ret = 0;\n goto err;\n }\n k = 1;\n while (!BN_is_bit_set(A1, k))\n k++;\n if (!BN_rshift(A1_odd, A1, k))\n goto err;\n mont = BN_MONT_CTX_new();\n if (mont == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, A, ctx))\n goto err;\n for (i = 0; i < checks; i++) {\n if (!BN_pseudo_rand_range(check, A1))\n goto err;\n if (!BN_add_word(check, 1))\n goto err;\n j = witness(check, A, A1, A1_odd, k, ctx, mont);\n if (j == -1)\n goto err;\n if (j) {\n ret = 0;\n goto err;\n }\n if (!BN_GENCB_call(cb, 1, i))\n goto err;\n }\n ret = 1;\n err:\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n if (ctx_passed == NULL)\n BN_CTX_free(ctx);\n }\n BN_MONT_CTX_free(mont);\n return (ret);\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}']
5,720
0
https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavcodec/h264.c/#L4066
static int decode_slice_header(H264Context *h, H264Context *h0){ MpegEncContext * const s = &h->s; MpegEncContext * const s0 = &h0->s; unsigned int first_mb_in_slice; unsigned int pps_id; int num_ref_idx_active_override_flag; static const uint8_t slice_type_map[5]= {FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE}; unsigned int slice_type, tmp, i, j; int default_ref_list_done = 0; int last_pic_structure; s->dropable= h->nal_ref_idc == 0; if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !h->nal_ref_idc){ s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab; s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab; }else{ s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab; s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab; } first_mb_in_slice= get_ue_golomb(&s->gb); if((s->flags2 & CODEC_FLAG2_CHUNKS) && first_mb_in_slice == 0){ h0->current_slice = 0; if (!s0->first_field) s->current_picture_ptr= NULL; } slice_type= get_ue_golomb(&s->gb); if(slice_type > 9){ av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y); return -1; } if(slice_type > 4){ slice_type -= 5; h->slice_type_fixed=1; }else h->slice_type_fixed=0; slice_type= slice_type_map[ slice_type ]; if (slice_type == FF_I_TYPE || (h0->current_slice != 0 && slice_type == h0->last_slice_type) ) { default_ref_list_done = 1; } h->slice_type= slice_type; h->slice_type_nos= slice_type & 3; s->pict_type= h->slice_type; if (s->pict_type == FF_B_TYPE && s0->last_picture_ptr == NULL) { av_log(h->s.avctx, AV_LOG_ERROR, "B picture before any references, skipping\n"); return -1; } pps_id= get_ue_golomb(&s->gb); if(pps_id>=MAX_PPS_COUNT){ av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n"); return -1; } if(!h0->pps_buffers[pps_id]) { av_log(h->s.avctx, AV_LOG_ERROR, "non-existing PPS referenced\n"); return -1; } h->pps= *h0->pps_buffers[pps_id]; if(!h0->sps_buffers[h->pps.sps_id]) { av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS referenced\n"); return -1; } h->sps = *h0->sps_buffers[h->pps.sps_id]; if(h == h0 && h->dequant_coeff_pps != pps_id){ h->dequant_coeff_pps = pps_id; init_dequant_tables(h); } s->mb_width= h->sps.mb_width; s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag); h->b_stride= s->mb_width*4; h->b8_stride= s->mb_width*2; s->width = 16*s->mb_width - 2*FFMIN(h->sps.crop_right, 7); if(h->sps.frame_mbs_only_flag) s->height= 16*s->mb_height - 2*FFMIN(h->sps.crop_bottom, 7); else s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 3); if (s->context_initialized && ( s->width != s->avctx->width || s->height != s->avctx->height)) { if(h != h0) return -1; free_tables(h); MPV_common_end(s); } if (!s->context_initialized) { if(h != h0) return -1; if (MPV_common_init(s) < 0) return -1; s->first_field = 0; init_scan_tables(h); alloc_tables(h); for(i = 1; i < s->avctx->thread_count; i++) { H264Context *c; c = h->thread_context[i] = av_malloc(sizeof(H264Context)); memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext)); memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext)); c->sps = h->sps; c->pps = h->pps; init_scan_tables(c); clone_tables(c, h); } for(i = 0; i < s->avctx->thread_count; i++) if(context_init(h->thread_context[i]) < 0) return -1; s->avctx->width = s->width; s->avctx->height = s->height; s->avctx->sample_aspect_ratio= h->sps.sar; if(!s->avctx->sample_aspect_ratio.den) s->avctx->sample_aspect_ratio.den = 1; if(h->sps.timing_info_present_flag){ s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale}; if(h->x264_build > 0 && h->x264_build < 44) s->avctx->time_base.den *= 2; av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den, s->avctx->time_base.num, s->avctx->time_base.den, 1<<30); } } h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num); h->mb_mbaff = 0; h->mb_aff_frame = 0; last_pic_structure = s0->picture_structure; if(h->sps.frame_mbs_only_flag){ s->picture_structure= PICT_FRAME; }else{ if(get_bits1(&s->gb)) { s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); } else { s->picture_structure= PICT_FRAME; h->mb_aff_frame = h->sps.mb_aff; } } if(h0->current_slice == 0){ while(h->frame_num != h->prev_frame_num && h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){ av_log(NULL, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num); frame_start(h); h->prev_frame_num++; h->prev_frame_num %= 1<<h->sps.log2_max_frame_num; s->current_picture_ptr->frame_num= h->prev_frame_num; execute_ref_pic_marking(h, NULL, 0); } if (s0->first_field) { assert(s0->current_picture_ptr); assert(s0->current_picture_ptr->data[0]); assert(s0->current_picture_ptr->reference != DELAYED_PIC_REF); if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) { s0->current_picture_ptr = NULL; s0->first_field = FIELD_PICTURE; } else { if (h->nal_ref_idc && s0->current_picture_ptr->reference && s0->current_picture_ptr->frame_num != h->frame_num) { s0->first_field = 1; s0->current_picture_ptr = NULL; } else { s0->first_field = 0; } } } else { assert(!s0->current_picture_ptr); s0->first_field = FIELD_PICTURE; } if((!FIELD_PICTURE || s0->first_field) && frame_start(h) < 0) { s0->first_field = 0; return -1; } } if(h != h0) clone_slice(h, h0); s->current_picture_ptr->frame_num= h->frame_num; assert(s->mb_num == s->mb_width * s->mb_height); if(first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num || first_mb_in_slice >= s->mb_num){ av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n"); return -1; } s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width; s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE; if (s->picture_structure == PICT_BOTTOM_FIELD) s->resync_mb_y = s->mb_y = s->mb_y + 1; assert(s->mb_y < s->mb_height); if(s->picture_structure==PICT_FRAME){ h->curr_pic_num= h->frame_num; h->max_pic_num= 1<< h->sps.log2_max_frame_num; }else{ h->curr_pic_num= 2*h->frame_num + 1; h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1); } if(h->nal_unit_type == NAL_IDR_SLICE){ get_ue_golomb(&s->gb); } if(h->sps.poc_type==0){ h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb); if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){ h->delta_poc_bottom= get_se_golomb(&s->gb); } } if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){ h->delta_poc[0]= get_se_golomb(&s->gb); if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME) h->delta_poc[1]= get_se_golomb(&s->gb); } init_poc(h); if(h->pps.redundant_pic_cnt_present){ h->redundant_pic_count= get_ue_golomb(&s->gb); } h->ref_count[0]= h->pps.ref_count[0]; h->ref_count[1]= h->pps.ref_count[1]; if(h->slice_type_nos != FF_I_TYPE){ if(h->slice_type_nos == FF_B_TYPE){ h->direct_spatial_mv_pred= get_bits1(&s->gb); } num_ref_idx_active_override_flag= get_bits1(&s->gb); if(num_ref_idx_active_override_flag){ h->ref_count[0]= get_ue_golomb(&s->gb) + 1; if(h->slice_type_nos==FF_B_TYPE) h->ref_count[1]= get_ue_golomb(&s->gb) + 1; if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){ av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n"); h->ref_count[0]= h->ref_count[1]= 1; return -1; } } if(h->slice_type_nos == FF_B_TYPE) h->list_count= 2; else h->list_count= 1; }else h->list_count= 0; if(!default_ref_list_done){ fill_default_ref_list(h); } if(h->slice_type_nos!=FF_I_TYPE && decode_ref_pic_list_reordering(h) < 0) return -1; if( (h->pps.weighted_pred && h->slice_type_nos == FF_P_TYPE ) || (h->pps.weighted_bipred_idc==1 && h->slice_type_nos== FF_B_TYPE ) ) pred_weight_table(h); else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE) implicit_weight_table(h); else h->use_weight = 0; if(h->nal_ref_idc) decode_ref_pic_marking(h0, &s->gb); if(FRAME_MBAFF) fill_mbaff_ref_list(h); if( h->slice_type_nos != FF_I_TYPE && h->pps.cabac ){ tmp = get_ue_golomb(&s->gb); if(tmp > 2){ av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n"); return -1; } h->cabac_init_idc= tmp; } h->last_qscale_diff = 0; tmp = h->pps.init_qp + get_se_golomb(&s->gb); if(tmp>51){ av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp); return -1; } s->qscale= tmp; h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale); h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale); if(h->slice_type == FF_SP_TYPE){ get_bits1(&s->gb); } if(h->slice_type==FF_SP_TYPE || h->slice_type == FF_SI_TYPE){ get_se_golomb(&s->gb); } h->deblocking_filter = 1; h->slice_alpha_c0_offset = 0; h->slice_beta_offset = 0; if( h->pps.deblocking_filter_parameters_present ) { tmp= get_ue_golomb(&s->gb); if(tmp > 2){ av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp); return -1; } h->deblocking_filter= tmp; if(h->deblocking_filter < 2) h->deblocking_filter^= 1; if( h->deblocking_filter ) { h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1; h->slice_beta_offset = get_se_golomb(&s->gb) << 1; } } if( s->avctx->skip_loop_filter >= AVDISCARD_ALL ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type_nos != FF_I_TYPE) ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type_nos == FF_B_TYPE) ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0)) h->deblocking_filter= 0; if(h->deblocking_filter == 1 && h0->max_contexts > 1) { if(s->avctx->flags2 & CODEC_FLAG2_FAST) { h->deblocking_filter = 2; } else { h0->max_contexts = 1; if(!h0->single_decode_warning) { av_log(s->avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n"); h0->single_decode_warning = 1; } if(h != h0) return 1; } } #if 0 if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5) slice_group_change_cycle= get_bits(&s->gb, ?); #endif h0->last_slice_type = slice_type; h->slice_num = ++h0->current_slice; for(j=0; j<2; j++){ int *ref2frm= h->ref2frm[h->slice_num&15][j]; ref2frm[0]= ref2frm[1]= -1; for(i=0; i<48; i++) ref2frm[i+2]= 4*h->ref_list[j][i].frame_num +(h->ref_list[j][i].reference&3); } h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16; h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width; if(s->avctx->debug&FF_DEBUG_PICT_INFO){ av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n", h->slice_num, (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"), first_mb_in_slice, av_get_pict_type_char(h->slice_type), pps_id, h->frame_num, s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1], h->ref_count[0], h->ref_count[1], s->qscale, h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2, h->use_weight, h->use_weight==1 && h->use_weight_chroma ? "c" : "", h->slice_type == FF_B_TYPE ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "" ); } return 0; }
['static int decode_slice_header(H264Context *h, H264Context *h0){\n MpegEncContext * const s = &h->s;\n MpegEncContext * const s0 = &h0->s;\n unsigned int first_mb_in_slice;\n unsigned int pps_id;\n int num_ref_idx_active_override_flag;\n static const uint8_t slice_type_map[5]= {FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE};\n unsigned int slice_type, tmp, i, j;\n int default_ref_list_done = 0;\n int last_pic_structure;\n s->dropable= h->nal_ref_idc == 0;\n if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !h->nal_ref_idc){\n s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;\n s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;\n }else{\n s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;\n s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;\n }\n first_mb_in_slice= get_ue_golomb(&s->gb);\n if((s->flags2 & CODEC_FLAG2_CHUNKS) && first_mb_in_slice == 0){\n h0->current_slice = 0;\n if (!s0->first_field)\n s->current_picture_ptr= NULL;\n }\n slice_type= get_ue_golomb(&s->gb);\n if(slice_type > 9){\n av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\\n", h->slice_type, s->mb_x, s->mb_y);\n return -1;\n }\n if(slice_type > 4){\n slice_type -= 5;\n h->slice_type_fixed=1;\n }else\n h->slice_type_fixed=0;\n slice_type= slice_type_map[ slice_type ];\n if (slice_type == FF_I_TYPE\n || (h0->current_slice != 0 && slice_type == h0->last_slice_type) ) {\n default_ref_list_done = 1;\n }\n h->slice_type= slice_type;\n h->slice_type_nos= slice_type & 3;\n s->pict_type= h->slice_type;\n if (s->pict_type == FF_B_TYPE && s0->last_picture_ptr == NULL) {\n av_log(h->s.avctx, AV_LOG_ERROR,\n "B picture before any references, skipping\\n");\n return -1;\n }\n pps_id= get_ue_golomb(&s->gb);\n if(pps_id>=MAX_PPS_COUNT){\n av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\\n");\n return -1;\n }\n if(!h0->pps_buffers[pps_id]) {\n av_log(h->s.avctx, AV_LOG_ERROR, "non-existing PPS referenced\\n");\n return -1;\n }\n h->pps= *h0->pps_buffers[pps_id];\n if(!h0->sps_buffers[h->pps.sps_id]) {\n av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS referenced\\n");\n return -1;\n }\n h->sps = *h0->sps_buffers[h->pps.sps_id];\n if(h == h0 && h->dequant_coeff_pps != pps_id){\n h->dequant_coeff_pps = pps_id;\n init_dequant_tables(h);\n }\n s->mb_width= h->sps.mb_width;\n s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);\n h->b_stride= s->mb_width*4;\n h->b8_stride= s->mb_width*2;\n s->width = 16*s->mb_width - 2*FFMIN(h->sps.crop_right, 7);\n if(h->sps.frame_mbs_only_flag)\n s->height= 16*s->mb_height - 2*FFMIN(h->sps.crop_bottom, 7);\n else\n s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 3);\n if (s->context_initialized\n && ( s->width != s->avctx->width || s->height != s->avctx->height)) {\n if(h != h0)\n return -1;\n free_tables(h);\n MPV_common_end(s);\n }\n if (!s->context_initialized) {\n if(h != h0)\n return -1;\n if (MPV_common_init(s) < 0)\n return -1;\n s->first_field = 0;\n init_scan_tables(h);\n alloc_tables(h);\n for(i = 1; i < s->avctx->thread_count; i++) {\n H264Context *c;\n c = h->thread_context[i] = av_malloc(sizeof(H264Context));\n memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));\n memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));\n c->sps = h->sps;\n c->pps = h->pps;\n init_scan_tables(c);\n clone_tables(c, h);\n }\n for(i = 0; i < s->avctx->thread_count; i++)\n if(context_init(h->thread_context[i]) < 0)\n return -1;\n s->avctx->width = s->width;\n s->avctx->height = s->height;\n s->avctx->sample_aspect_ratio= h->sps.sar;\n if(!s->avctx->sample_aspect_ratio.den)\n s->avctx->sample_aspect_ratio.den = 1;\n if(h->sps.timing_info_present_flag){\n s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};\n if(h->x264_build > 0 && h->x264_build < 44)\n s->avctx->time_base.den *= 2;\n av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,\n s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);\n }\n }\n h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);\n h->mb_mbaff = 0;\n h->mb_aff_frame = 0;\n last_pic_structure = s0->picture_structure;\n if(h->sps.frame_mbs_only_flag){\n s->picture_structure= PICT_FRAME;\n }else{\n if(get_bits1(&s->gb)) {\n s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb);\n } else {\n s->picture_structure= PICT_FRAME;\n h->mb_aff_frame = h->sps.mb_aff;\n }\n }\n if(h0->current_slice == 0){\n while(h->frame_num != h->prev_frame_num &&\n h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){\n av_log(NULL, AV_LOG_DEBUG, "Frame num gap %d %d\\n", h->frame_num, h->prev_frame_num);\n frame_start(h);\n h->prev_frame_num++;\n h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;\n s->current_picture_ptr->frame_num= h->prev_frame_num;\n execute_ref_pic_marking(h, NULL, 0);\n }\n if (s0->first_field) {\n assert(s0->current_picture_ptr);\n assert(s0->current_picture_ptr->data[0]);\n assert(s0->current_picture_ptr->reference != DELAYED_PIC_REF);\n if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {\n s0->current_picture_ptr = NULL;\n s0->first_field = FIELD_PICTURE;\n } else {\n if (h->nal_ref_idc &&\n s0->current_picture_ptr->reference &&\n s0->current_picture_ptr->frame_num != h->frame_num) {\n s0->first_field = 1;\n s0->current_picture_ptr = NULL;\n } else {\n s0->first_field = 0;\n }\n }\n } else {\n assert(!s0->current_picture_ptr);\n s0->first_field = FIELD_PICTURE;\n }\n if((!FIELD_PICTURE || s0->first_field) && frame_start(h) < 0) {\n s0->first_field = 0;\n return -1;\n }\n }\n if(h != h0)\n clone_slice(h, h0);\n s->current_picture_ptr->frame_num= h->frame_num;\n assert(s->mb_num == s->mb_width * s->mb_height);\n if(first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num ||\n first_mb_in_slice >= s->mb_num){\n av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\\n");\n return -1;\n }\n s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;\n s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE;\n if (s->picture_structure == PICT_BOTTOM_FIELD)\n s->resync_mb_y = s->mb_y = s->mb_y + 1;\n assert(s->mb_y < s->mb_height);\n if(s->picture_structure==PICT_FRAME){\n h->curr_pic_num= h->frame_num;\n h->max_pic_num= 1<< h->sps.log2_max_frame_num;\n }else{\n h->curr_pic_num= 2*h->frame_num + 1;\n h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);\n }\n if(h->nal_unit_type == NAL_IDR_SLICE){\n get_ue_golomb(&s->gb);\n }\n if(h->sps.poc_type==0){\n h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);\n if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){\n h->delta_poc_bottom= get_se_golomb(&s->gb);\n }\n }\n if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){\n h->delta_poc[0]= get_se_golomb(&s->gb);\n if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)\n h->delta_poc[1]= get_se_golomb(&s->gb);\n }\n init_poc(h);\n if(h->pps.redundant_pic_cnt_present){\n h->redundant_pic_count= get_ue_golomb(&s->gb);\n }\n h->ref_count[0]= h->pps.ref_count[0];\n h->ref_count[1]= h->pps.ref_count[1];\n if(h->slice_type_nos != FF_I_TYPE){\n if(h->slice_type_nos == FF_B_TYPE){\n h->direct_spatial_mv_pred= get_bits1(&s->gb);\n }\n num_ref_idx_active_override_flag= get_bits1(&s->gb);\n if(num_ref_idx_active_override_flag){\n h->ref_count[0]= get_ue_golomb(&s->gb) + 1;\n if(h->slice_type_nos==FF_B_TYPE)\n h->ref_count[1]= get_ue_golomb(&s->gb) + 1;\n if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){\n av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\\n");\n h->ref_count[0]= h->ref_count[1]= 1;\n return -1;\n }\n }\n if(h->slice_type_nos == FF_B_TYPE)\n h->list_count= 2;\n else\n h->list_count= 1;\n }else\n h->list_count= 0;\n if(!default_ref_list_done){\n fill_default_ref_list(h);\n }\n if(h->slice_type_nos!=FF_I_TYPE && decode_ref_pic_list_reordering(h) < 0)\n return -1;\n if( (h->pps.weighted_pred && h->slice_type_nos == FF_P_TYPE )\n || (h->pps.weighted_bipred_idc==1 && h->slice_type_nos== FF_B_TYPE ) )\n pred_weight_table(h);\n else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE)\n implicit_weight_table(h);\n else\n h->use_weight = 0;\n if(h->nal_ref_idc)\n decode_ref_pic_marking(h0, &s->gb);\n if(FRAME_MBAFF)\n fill_mbaff_ref_list(h);\n if( h->slice_type_nos != FF_I_TYPE && h->pps.cabac ){\n tmp = get_ue_golomb(&s->gb);\n if(tmp > 2){\n av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\\n");\n return -1;\n }\n h->cabac_init_idc= tmp;\n }\n h->last_qscale_diff = 0;\n tmp = h->pps.init_qp + get_se_golomb(&s->gb);\n if(tmp>51){\n av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\\n", tmp);\n return -1;\n }\n s->qscale= tmp;\n h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);\n h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);\n if(h->slice_type == FF_SP_TYPE){\n get_bits1(&s->gb);\n }\n if(h->slice_type==FF_SP_TYPE || h->slice_type == FF_SI_TYPE){\n get_se_golomb(&s->gb);\n }\n h->deblocking_filter = 1;\n h->slice_alpha_c0_offset = 0;\n h->slice_beta_offset = 0;\n if( h->pps.deblocking_filter_parameters_present ) {\n tmp= get_ue_golomb(&s->gb);\n if(tmp > 2){\n av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\\n", tmp);\n return -1;\n }\n h->deblocking_filter= tmp;\n if(h->deblocking_filter < 2)\n h->deblocking_filter^= 1;\n if( h->deblocking_filter ) {\n h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;\n h->slice_beta_offset = get_se_golomb(&s->gb) << 1;\n }\n }\n if( s->avctx->skip_loop_filter >= AVDISCARD_ALL\n ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type_nos != FF_I_TYPE)\n ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type_nos == FF_B_TYPE)\n ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))\n h->deblocking_filter= 0;\n if(h->deblocking_filter == 1 && h0->max_contexts > 1) {\n if(s->avctx->flags2 & CODEC_FLAG2_FAST) {\n h->deblocking_filter = 2;\n } else {\n h0->max_contexts = 1;\n if(!h0->single_decode_warning) {\n av_log(s->avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\\n");\n h0->single_decode_warning = 1;\n }\n if(h != h0)\n return 1;\n }\n }\n#if 0\n if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)\n slice_group_change_cycle= get_bits(&s->gb, ?);\n#endif\n h0->last_slice_type = slice_type;\n h->slice_num = ++h0->current_slice;\n for(j=0; j<2; j++){\n int *ref2frm= h->ref2frm[h->slice_num&15][j];\n ref2frm[0]=\n ref2frm[1]= -1;\n for(i=0; i<48; i++)\n ref2frm[i+2]= 4*h->ref_list[j][i].frame_num\n +(h->ref_list[j][i].reference&3);\n }\n h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;\n h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;\n if(s->avctx->debug&FF_DEBUG_PICT_INFO){\n av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\\n",\n h->slice_num,\n (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),\n first_mb_in_slice,\n av_get_pict_type_char(h->slice_type),\n pps_id, h->frame_num,\n s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],\n h->ref_count[0], h->ref_count[1],\n s->qscale,\n h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,\n h->use_weight,\n h->use_weight==1 && h->use_weight_chroma ? "c" : "",\n h->slice_type == FF_B_TYPE ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""\n );\n }\n return 0;\n}']
5,721
0
https://github.com/openssl/openssl/blob/9639515871c73722de3fff04d3c50d54aa6b1477/crypto/objects/obj_dat.c/#L456
int OBJ_obj2txt(char *buf, int buf_len, ASN1_OBJECT *a, int no_name) { int i,idx=0,n=0,len,nid; unsigned long l; unsigned char *p; const char *s; char tbuf[32]; if (buf_len <= 0) return(0); if ((a == NULL) || (a->data == NULL)) { buf[0]='\0'; return(0); } nid=OBJ_obj2nid(a); if ((nid == NID_undef) || no_name) { len=a->length; p=a->data; idx=0; l=0; while (idx < a->length) { l|=(p[idx]&0x7f); if (!(p[idx] & 0x80)) break; l<<=7L; idx++; } idx++; i=(int)(l/40); if (i > 2) i=2; l-=(long)(i*40); sprintf(tbuf,"%d.%lu",i,l); i=strlen(tbuf); strncpy(buf,tbuf,buf_len); buf_len-=i; buf+=i; n+=i; l=0; for (; idx<len; idx++) { l|=p[idx]&0x7f; if (!(p[idx] & 0x80)) { sprintf(tbuf,".%lu",l); i=strlen(tbuf); if (buf_len > 0) strncpy(buf,tbuf,buf_len); buf_len-=i; buf+=i; n+=i; l=0; } l<<=7L; } } else { s=OBJ_nid2ln(nid); if (s == NULL) s=OBJ_nid2sn(nid); strncpy(buf,s,buf_len); n=strlen(s); } buf[buf_len-1]='\0'; return(n); }
['EVP_PKEY *EVP_PKCS82PKEY (PKCS8_PRIV_KEY_INFO *p8)\n{\n\tEVP_PKEY *pkey;\n#ifndef NO_RSA\n\tRSA *rsa;\n#endif\n#ifndef NO_DSA\n\tDSA *dsa;\n\tASN1_INTEGER *dsapriv;\n\tSTACK *ndsa;\n\tBN_CTX *ctx;\n\tint plen;\n#endif\n\tX509_ALGOR *a;\n\tunsigned char *p;\n\tint pkeylen;\n\tchar obj_tmp[80];\n\tswitch (p8->broken) {\n\t\tcase PKCS8_OK:\n\t\tp = p8->pkey->value.octet_string->data;\n\t\tpkeylen = p8->pkey->value.octet_string->length;\n\t\tbreak;\n\t\tcase PKCS8_NO_OCTET:\n\t\tp = p8->pkey->value.sequence->data;\n\t\tpkeylen = p8->pkey->value.sequence->length;\n\t\tbreak;\n\t\tdefault:\n\t\tEVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);\n\t\treturn NULL;\n\t\tbreak;\n\t}\n\tif (!(pkey = EVP_PKEY_new())) {\n\t\tEVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);\n\t\treturn NULL;\n\t}\n\ta = p8->pkeyalg;\n\tswitch (OBJ_obj2nid(a->algorithm))\n\t{\n#ifndef NO_RSA\n\t\tcase NID_rsaEncryption:\n\t\tif (!(rsa = d2i_RSAPrivateKey (NULL, &p, pkeylen))) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);\n\t\t\treturn NULL;\n\t\t}\n\t\tEVP_PKEY_assign_RSA (pkey, rsa);\n\t\tbreak;\n#endif\n#ifndef NO_DSA\n\t\tcase NID_dsa:\n\t\tif(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {\n\t\t if(!(ndsa = ASN1_seq_unpack(p, pkeylen,\n\t\t\t\t\t(char *(*)())d2i_ASN1_INTEGER,\n\t\t\t\t\t\t\t ASN1_STRING_free))) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);\n\t\t\treturn NULL;\n\t\t }\n\t\t if(sk_num(ndsa) != 2 ) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);\n\t\t\tsk_pop_free(ndsa, ASN1_STRING_free);\n\t\t\treturn NULL;\n\t\t }\n\t\t dsapriv = (ASN1_INTEGER *) sk_pop(ndsa);\n\t\t sk_pop_free(ndsa, ASN1_STRING_free);\n\t\t} else if (!(dsapriv=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);\n\t\t\treturn NULL;\n\t\t}\n\t\tif (a->parameter->type != V_ASN1_SEQUENCE) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_NO_DSA_PARAMETERS);\n\t\t\treturn NULL;\n\t\t}\n\t\tp = a->parameter->value.sequence->data;\n\t\tplen = a->parameter->value.sequence->length;\n\t\tif (!(dsa = d2i_DSAparams (NULL, &p, plen))) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);\n\t\t\treturn NULL;\n\t\t}\n\t\tif (!(dsa->priv_key = ASN1_INTEGER_to_BN(dsapriv, NULL))) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_DECODE_ERROR);\n\t\t\tDSA_free (dsa);\n\t\t\treturn NULL;\n\t\t}\n\t\tif (!(dsa->pub_key = BN_new())) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);\n\t\t\tDSA_free (dsa);\n\t\t\treturn NULL;\n\t\t}\n\t\tif (!(ctx = BN_CTX_new())) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);\n\t\t\tDSA_free (dsa);\n\t\t\treturn NULL;\n\t\t}\n\t\tif (!BN_mod_exp(dsa->pub_key, dsa->g,\n\t\t\t\t\t\t dsa->priv_key, dsa->p, ctx)) {\n\t\t\tEVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_PUBKEY_ERROR);\n\t\t\tBN_CTX_free (ctx);\n\t\t\tDSA_free (dsa);\n\t\t\treturn NULL;\n\t\t}\n\t\tEVP_PKEY_assign_DSA (pkey, dsa);\n\t\tBN_CTX_free (ctx);\n\t\tbreak;\n#endif\n\t\tdefault:\n\t\tEVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);\n\t\tif (!a->algorithm) strcpy (obj_tmp, "NULL");\n\t\telse i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm);\n\t\tERR_add_error_data(2, "TYPE=", obj_tmp);\n\t\tEVP_PKEY_free (pkey);\n\t\treturn NULL;\n\t}\n\treturn pkey;\n}', 'int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a)\n{\n\treturn OBJ_obj2txt(buf, buf_len, a, 0);\n}', 'int OBJ_obj2txt(char *buf, int buf_len, ASN1_OBJECT *a, int no_name)\n{\n\tint i,idx=0,n=0,len,nid;\n\tunsigned long l;\n\tunsigned char *p;\n\tconst char *s;\n\tchar tbuf[32];\n\tif (buf_len <= 0) return(0);\n\tif ((a == NULL) || (a->data == NULL)) {\n\t\tbuf[0]=\'\\0\';\n\t\treturn(0);\n\t}\n\tnid=OBJ_obj2nid(a);\n\tif ((nid == NID_undef) || no_name) {\n\t\tlen=a->length;\n\t\tp=a->data;\n\t\tidx=0;\n\t\tl=0;\n\t\twhile (idx < a->length) {\n\t\t\tl|=(p[idx]&0x7f);\n\t\t\tif (!(p[idx] & 0x80)) break;\n\t\t\tl<<=7L;\n\t\t\tidx++;\n\t\t}\n\t\tidx++;\n\t\ti=(int)(l/40);\n\t\tif (i > 2) i=2;\n\t\tl-=(long)(i*40);\n\t\tsprintf(tbuf,"%d.%lu",i,l);\n\t\ti=strlen(tbuf);\n\t\tstrncpy(buf,tbuf,buf_len);\n\t\tbuf_len-=i;\n\t\tbuf+=i;\n\t\tn+=i;\n\t\tl=0;\n\t\tfor (; idx<len; idx++) {\n\t\t\tl|=p[idx]&0x7f;\n\t\t\tif (!(p[idx] & 0x80)) {\n\t\t\t\tsprintf(tbuf,".%lu",l);\n\t\t\t\ti=strlen(tbuf);\n\t\t\t\tif (buf_len > 0)\n\t\t\t\t\tstrncpy(buf,tbuf,buf_len);\n\t\t\t\tbuf_len-=i;\n\t\t\t\tbuf+=i;\n\t\t\t\tn+=i;\n\t\t\t\tl=0;\n\t\t\t}\n\t\t\tl<<=7L;\n\t\t}\n\t} else {\n\t\ts=OBJ_nid2ln(nid);\n\t\tif (s == NULL)\n\t\t\ts=OBJ_nid2sn(nid);\n\t\tstrncpy(buf,s,buf_len);\n\t\tn=strlen(s);\n\t}\n\tbuf[buf_len-1]=\'\\0\';\n\treturn(n);\n}']
5,722
0
https://github.com/openssl/openssl/blob/ee6b68ce4c67870f9323d2a380eb949f447c56ee/test/testutil/tests.c/#L303
static char *print_mem_maybe_null(const void *s, size_t n, char outbuf[MEM_BUFFER_SIZE]) { size_t i; const unsigned char *p = (const unsigned char *)s; char *out = outbuf; int pad = 2 * n >= MEM_BUFFER_SIZE; if (s == NULL) return strcpy(outbuf, "(NULL)"); if (pad) { if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) { out = outbuf; n = (MEM_BUFFER_SIZE - 4) / 2; } else { pad = 0; } } for (i = 0; i < 2 * n; ) { const unsigned char c = *p++; out[i++] = "0123456789abcdef"[c >> 4]; out[i++] = "0123456789abcdef"[c & 15]; } if (pad) { out[i++] = '.'; out[i++] = '.'; out[i++] = '.'; } out[i] = '\0'; return out; }
['static int test_des_cbc_cksum(void)\n{\n DES_LONG cs;\n DES_key_schedule ks;\n unsigned char cret[8];\n DES_set_key_checked(&cbc_key, &ks);\n cs = DES_cbc_cksum(cbc_data, &cret, strlen((char *)cbc_data), &ks,\n &cbc_iv);\n if (!TEST_cs_eq(cs, cbc_cksum_ret))\n return 0;\n return TEST_mem_eq(cret, 8, cbc_cksum_data, 8);\n}', 'int test_mem_eq(const char *file, int line, const char *st1, const char *st2,\n const void *s1, size_t n1, const void *s2, size_t n2)\n{\n char b1[MEM_BUFFER_SIZE], b2[MEM_BUFFER_SIZE];\n if (s1 == NULL && s2 == NULL)\n return 1;\n if (n1 != n2 || s1 == NULL || s2 == NULL || memcmp(s1, s2, n1) != 0) {\n char *m1 = print_mem_maybe_null(s1, n1, b1);\n char *m2 = print_mem_maybe_null(s2, n2, b2);\n test_fail_message(NULL, file, line, "memory",\n "%s %s [%zu] == %s %s [%zu]",\n st1, m1, n1, st2, m2, n2);\n if (m1 != b1)\n OPENSSL_free(m1);\n if (m2 != b2)\n OPENSSL_free(m2);\n return 0;\n }\n return 1;\n}', 'static char *print_mem_maybe_null(const void *s, size_t n,\n char outbuf[MEM_BUFFER_SIZE])\n{\n size_t i;\n const unsigned char *p = (const unsigned char *)s;\n char *out = outbuf;\n int pad = 2 * n >= MEM_BUFFER_SIZE;\n if (s == NULL)\n return strcpy(outbuf, "(NULL)");\n if (pad) {\n if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) {\n out = outbuf;\n n = (MEM_BUFFER_SIZE - 4) / 2;\n } else {\n pad = 0;\n }\n }\n for (i = 0; i < 2 * n; ) {\n const unsigned char c = *p++;\n out[i++] = "0123456789abcdef"[c >> 4];\n out[i++] = "0123456789abcdef"[c & 15];\n }\n if (pad) {\n out[i++] = \'.\';\n out[i++] = \'.\';\n out[i++] = \'.\';\n }\n out[i] = \'\\0\';\n return out;\n}']
5,723
0
https://github.com/openssl/openssl/blob/fa9bb6201e1d16ba8ccab938833d140ef81a7f73/crypto/bn/bn_ctx.c/#L327
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
['int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)\n{\n BIGNUM *i, *j, *k, *l, *m;\n BN_CTX *ctx;\n int r;\n int ret = 1;\n if (!key->p || !key->q || !key->n || !key->e || !key->d) {\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_VALUE_MISSING);\n return 0;\n }\n i = BN_new();\n j = BN_new();\n k = BN_new();\n l = BN_new();\n m = BN_new();\n ctx = BN_CTX_new();\n if (i == NULL || j == NULL || k == NULL || l == NULL ||\n m == NULL || ctx == NULL) {\n ret = -1;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n r = BN_is_prime_ex(key->p, BN_prime_checks, NULL, cb);\n if (r != 1) {\n ret = r;\n if (r != 0)\n goto err;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_P_NOT_PRIME);\n }\n r = BN_is_prime_ex(key->q, BN_prime_checks, NULL, cb);\n if (r != 1) {\n ret = r;\n if (r != 0)\n goto err;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_Q_NOT_PRIME);\n }\n r = BN_mul(i, key->p, key->q, ctx);\n if (!r) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(i, key->n) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_N_DOES_NOT_EQUAL_P_Q);\n }\n r = BN_sub(i, key->p, BN_value_one());\n if (!r) {\n ret = -1;\n goto err;\n }\n r = BN_sub(j, key->q, BN_value_one());\n if (!r) {\n ret = -1;\n goto err;\n }\n r = BN_mul(l, i, j, ctx);\n if (!r) {\n ret = -1;\n goto err;\n }\n r = BN_gcd(m, i, j, ctx);\n if (!r) {\n ret = -1;\n goto err;\n }\n r = BN_div(k, NULL, l, m, ctx);\n if (!r) {\n ret = -1;\n goto err;\n }\n r = BN_mod_mul(i, key->d, key->e, k, ctx);\n if (!r) {\n ret = -1;\n goto err;\n }\n if (!BN_is_one(i)) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_D_E_NOT_CONGRUENT_TO_1);\n }\n if (key->dmp1 != NULL && key->dmq1 != NULL && key->iqmp != NULL) {\n r = BN_sub(i, key->p, BN_value_one());\n if (!r) {\n ret = -1;\n goto err;\n }\n r = BN_mod(j, key->d, i, ctx);\n if (!r) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(j, key->dmp1) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_DMP1_NOT_CONGRUENT_TO_D);\n }\n r = BN_sub(i, key->q, BN_value_one());\n if (!r) {\n ret = -1;\n goto err;\n }\n r = BN_mod(j, key->d, i, ctx);\n if (!r) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(j, key->dmq1) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_DMQ1_NOT_CONGRUENT_TO_D);\n }\n if (!BN_mod_inverse(i, key->q, key->p, ctx)) {\n ret = -1;\n goto err;\n }\n if (BN_cmp(i, key->iqmp) != 0) {\n ret = 0;\n RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_IQMP_NOT_INVERSE_OF_Q);\n }\n }\n err:\n BN_free(i);\n BN_free(j);\n BN_free(k);\n BN_free(l);\n BN_free(m);\n BN_CTX_free(ctx);\n return (ret);\n}', 'int BN_is_prime_ex(const BIGNUM *a, int checks, BN_CTX *ctx_passed,\n BN_GENCB *cb)\n{\n return BN_is_prime_fasttest_ex(a, checks, ctx_passed, 0, cb);\n}', 'int BN_is_prime_fasttest_ex(const BIGNUM *a, int checks, BN_CTX *ctx_passed,\n int do_trial_division, BN_GENCB *cb)\n{\n int i, j, ret = -1;\n int k;\n BN_CTX *ctx = NULL;\n BIGNUM *A1, *A1_odd, *check;\n BN_MONT_CTX *mont = NULL;\n const BIGNUM *A = NULL;\n if (BN_cmp(a, BN_value_one()) <= 0)\n return 0;\n if (checks == BN_prime_checks)\n checks = BN_prime_checks_for_size(BN_num_bits(a));\n if (!BN_is_odd(a))\n return BN_is_word(a, 2);\n if (do_trial_division) {\n for (i = 1; i < NUMPRIMES; i++)\n if (BN_mod_word(a, primes[i]) == 0)\n return 0;\n if (!BN_GENCB_call(cb, 1, -1))\n goto err;\n }\n if (ctx_passed != NULL)\n ctx = ctx_passed;\n else if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n if (a->neg) {\n BIGNUM *t;\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n BN_copy(t, a);\n t->neg = 0;\n A = t;\n } else\n A = a;\n A1 = BN_CTX_get(ctx);\n A1_odd = BN_CTX_get(ctx);\n check = BN_CTX_get(ctx);\n if (check == NULL)\n goto err;\n if (!BN_copy(A1, A))\n goto err;\n if (!BN_sub_word(A1, 1))\n goto err;\n if (BN_is_zero(A1)) {\n ret = 0;\n goto err;\n }\n k = 1;\n while (!BN_is_bit_set(A1, k))\n k++;\n if (!BN_rshift(A1_odd, A1, k))\n goto err;\n mont = BN_MONT_CTX_new();\n if (mont == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, A, ctx))\n goto err;\n for (i = 0; i < checks; i++) {\n if (!BN_pseudo_rand_range(check, A1))\n goto err;\n if (!BN_add_word(check, 1))\n goto err;\n j = witness(check, A, A1, A1_odd, k, ctx, mont);\n if (j == -1)\n goto err;\n if (j) {\n ret = 0;\n goto err;\n }\n if (!BN_GENCB_call(cb, 1, i))\n goto err;\n }\n ret = 1;\n err:\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n if (ctx_passed == NULL)\n BN_CTX_free(ctx);\n }\n BN_MONT_CTX_free(mont);\n return (ret);\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return (1);\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n rr->neg = a->neg ^ b->neg;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# if 0\n if (i == 1 && !BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)b;\n if (bn_wexpand(tmp_bn, al) == NULL)\n goto err;\n tmp_bn->d[bl] = 0;\n bl++;\n i--;\n } else if (i == -1 && !BN_get_flags(a, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)a;\n if (bn_wexpand(tmp_bn, bl) == NULL)\n goto err;\n tmp_bn->d[al] = 0;\n al++;\n i++;\n }\n if (i == 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (al == j) {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, al, t->d);\n } else {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d, al - j, j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# endif\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n bn_correct_top(rr);\n if (r != rr)\n BN_copy(r, rr);\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return (ret);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}']
5,724
1
https://github.com/openssl/openssl/blob/96826bfc84c63207b720543443626029946a0fc7/engines/e_sureware.c/#L674
static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype) { EVP_PKEY *res = NULL; #ifndef OPENSSL_NO_RSA RSA *rsatmp = NULL; #endif #ifndef OPENSSL_NO_DSA DSA *dsatmp=NULL; #endif char msg[64]="sureware_load_public"; int ret=0; if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey) { SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_NOT_INITIALISED); goto err; } switch (keytype) { #ifndef OPENSSL_NO_RSA case 1: rsatmp = RSA_new_method(e); RSA_set_ex_data(rsatmp,rsaHndidx,hptr); rsatmp->flags |= RSA_FLAG_EXT_PKEY; rsatmp->e = BN_new(); rsatmp->n = BN_new(); bn_expand2(rsatmp->e, el/sizeof(BN_ULONG)); bn_expand2(rsatmp->n, el/sizeof(BN_ULONG)); if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))|| !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG))) goto err; ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el, (unsigned long *)rsatmp->n->d, (unsigned long *)rsatmp->e->d); surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret); if (ret!=1) { SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY); goto err; } rsatmp->e->top=el/sizeof(BN_ULONG); bn_fix_top(rsatmp->e); rsatmp->n->top=el/sizeof(BN_ULONG); bn_fix_top(rsatmp->n); res = EVP_PKEY_new(); EVP_PKEY_assign_RSA(res, rsatmp); break; #endif #ifndef OPENSSL_NO_DSA case 2: dsatmp = DSA_new_method(e); DSA_set_ex_data(dsatmp,dsaHndidx,hptr); dsatmp->pub_key = BN_new(); dsatmp->p = BN_new(); dsatmp->q = BN_new(); dsatmp->g = BN_new(); bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG)); bn_expand2(dsatmp->p, el/sizeof(BN_ULONG)); bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG)); bn_expand2(dsatmp->g, el/sizeof(BN_ULONG)); if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))|| !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) || !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) || !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG))) goto err; ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el, (unsigned long *)dsatmp->pub_key->d, (unsigned long *)dsatmp->p->d, (unsigned long *)dsatmp->q->d, (unsigned long *)dsatmp->g->d); surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret); if (ret!=1) { SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY); goto err; } dsatmp->pub_key->top=el/sizeof(BN_ULONG); bn_fix_top(dsatmp->pub_key); dsatmp->p->top=el/sizeof(BN_ULONG); bn_fix_top(dsatmp->p); dsatmp->q->top=20/sizeof(BN_ULONG); bn_fix_top(dsatmp->q); dsatmp->g->top=el/sizeof(BN_ULONG); bn_fix_top(dsatmp->g); res = EVP_PKEY_new(); EVP_PKEY_assign_DSA(res, dsatmp); break; #endif default: SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PRIVATE_KEY); goto err; } return res; err: #ifndef OPENSSL_NO_RSA if (rsatmp) RSA_free(rsatmp); #endif #ifndef OPENSSL_NO_DSA if (dsatmp) DSA_free(dsatmp); #endif return NULL; }
['static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)\n{\n\tEVP_PKEY *res = NULL;\n#ifndef OPENSSL_NO_RSA\n\tRSA *rsatmp = NULL;\n#endif\n#ifndef OPENSSL_NO_DSA\n\tDSA *dsatmp=NULL;\n#endif\n\tchar msg[64]="sureware_load_public";\n\tint ret=0;\n\tif(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)\n\t{\n\t\tSUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_NOT_INITIALISED);\n\t\tgoto err;\n\t}\n\tswitch (keytype)\n\t{\n#ifndef OPENSSL_NO_RSA\n\tcase 1:\n\t\trsatmp = RSA_new_method(e);\n\t\tRSA_set_ex_data(rsatmp,rsaHndidx,hptr);\n\t\trsatmp->flags |= RSA_FLAG_EXT_PKEY;\n\t\trsatmp->e = BN_new();\n\t\trsatmp->n = BN_new();\n\t\tbn_expand2(rsatmp->e, el/sizeof(BN_ULONG));\n\t\tbn_expand2(rsatmp->n, el/sizeof(BN_ULONG));\n\t\tif (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||\n\t\t\t!rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))\n\t\t\tgoto err;\n\t\tret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,\n\t\t\t\t\t\t (unsigned long *)rsatmp->n->d,\n\t\t\t\t\t\t (unsigned long *)rsatmp->e->d);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);\n\t\tif (ret!=1)\n\t\t{\n\t\t\tSUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);\n\t\t\tgoto err;\n\t\t}\n\t\trsatmp->e->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(rsatmp->e);\n\t\trsatmp->n->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(rsatmp->n);\n\t\tres = EVP_PKEY_new();\n\t\tEVP_PKEY_assign_RSA(res, rsatmp);\n\t\tbreak;\n#endif\n#ifndef OPENSSL_NO_DSA\n\tcase 2:\n\t\tdsatmp = DSA_new_method(e);\n\t\tDSA_set_ex_data(dsatmp,dsaHndidx,hptr);\n\t\tdsatmp->pub_key = BN_new();\n\t\tdsatmp->p = BN_new();\n\t\tdsatmp->q = BN_new();\n\t\tdsatmp->g = BN_new();\n\t\tbn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->p, el/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->g, el/sizeof(BN_ULONG));\n\t\tif (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||\n\t\t\t!dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||\n\t\t\t!dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||\n\t\t\t!dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))\n\t\t\tgoto err;\n\t\tret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,\n\t\t\t\t\t\t (unsigned long *)dsatmp->pub_key->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->p->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->q->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->g->d);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);\n\t\tif (ret!=1)\n\t\t{\n\t\t\tSUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);\n\t\t\tgoto err;\n\t\t}\n\t\tdsatmp->pub_key->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->pub_key);\n\t\tdsatmp->p->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->p);\n\t\tdsatmp->q->top=20/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->q);\n\t\tdsatmp->g->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->g);\n\t\tres = EVP_PKEY_new();\n\t\tEVP_PKEY_assign_DSA(res, dsatmp);\n\t\tbreak;\n#endif\n\tdefault:\n\t\tSUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);\n\t\tgoto err;\n\t}\n\treturn res;\n err:\n#ifndef OPENSSL_NO_RSA\n\tif (rsatmp)\n\t\tRSA_free(rsatmp);\n#endif\n#ifndef OPENSSL_NO_DSA\n\tif (dsatmp)\n\t\tDSA_free(dsatmp);\n#endif\n\treturn NULL;\n}', 'RSA *RSA_new_method(ENGINE *engine)\n\t{\n\tRSA *ret;\n\tret=(RSA *)OPENSSL_malloc(sizeof(RSA));\n\tif (ret == NULL)\n\t\t{\n\t\tRSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);\n\t\treturn NULL;\n\t\t}\n\tret->meth = RSA_get_default_method();\n#ifndef OPENSSL_NO_ENGINE\n\tif (engine)\n\t\t{\n\t\tif (!ENGINE_init(engine))\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tret->engine = engine;\n\t\t}\n\telse\n\t\tret->engine = ENGINE_get_default_RSA();\n\tif(ret->engine)\n\t\t{\n\t\tret->meth = ENGINE_get_RSA(ret->engine);\n\t\tif(!ret->meth)\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD,\n\t\t\t\tERR_R_ENGINE_LIB);\n\t\t\tENGINE_finish(ret->engine);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\t}\n#endif\n\tret->pad=0;\n\tret->version=0;\n\tret->n=NULL;\n\tret->e=NULL;\n\tret->d=NULL;\n\tret->p=NULL;\n\tret->q=NULL;\n\tret->dmp1=NULL;\n\tret->dmq1=NULL;\n\tret->iqmp=NULL;\n\tret->references=1;\n\tret->_method_mod_n=NULL;\n\tret->_method_mod_p=NULL;\n\tret->_method_mod_q=NULL;\n\tret->blinding=NULL;\n\tret->mt_blinding=NULL;\n\tret->bignum_data=NULL;\n\tret->flags=ret->meth->flags;\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\tif ((ret->meth->init != NULL) && !ret->meth->init(ret))\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tif (ret->engine)\n\t\t\tENGINE_finish(ret->engine);\n#endif\n\t\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if(ret && (num > 2048))\n\t{\textern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\t}\n#endif\n\treturn ret;\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}']
5,725
0
https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_lib.c/#L352
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *A, *a = NULL; const BN_ULONG *B; int i; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return (NULL); } if (BN_get_flags(b,BN_FLG_SECURE)) a = A = OPENSSL_secure_malloc(words * sizeof(*a)); else a = A = OPENSSL_malloc(words * sizeof(*a)); if (A == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return (NULL); } #ifdef PURIFY memset(a, 0, sizeof(*a) * words); #endif #if 1 B = b->d; if (B != NULL) { for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) { BN_ULONG a0, a1, a2, a3; a0 = B[0]; a1 = B[1]; a2 = B[2]; a3 = B[3]; A[0] = a0; A[1] = a1; A[2] = a2; A[3] = a3; } switch (b->top & 3) { case 3: A[2] = B[2]; case 2: A[1] = B[1]; case 1: A[0] = B[0]; case 0: ; } } #else memset(A, 0, sizeof(*A) * words); memcpy(A, b->d, sizeof(b->d[0]) * b->top); #endif return (a); }
['int ec_GFp_simple_group_check_discriminant(const EC_GROUP *group, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *a, *b, *order, *tmp_1, *tmp_2;\n const BIGNUM *p = group->field;\n BN_CTX *new_ctx = NULL;\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL) {\n ECerr(EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT,\n ERR_R_MALLOC_FAILURE);\n goto err;\n }\n }\n BN_CTX_start(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n tmp_1 = BN_CTX_get(ctx);\n tmp_2 = BN_CTX_get(ctx);\n order = BN_CTX_get(ctx);\n if (order == NULL)\n goto err;\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, a, group->a, ctx))\n goto err;\n if (!group->meth->field_decode(group, b, group->b, ctx))\n goto err;\n } else {\n if (!BN_copy(a, group->a))\n goto err;\n if (!BN_copy(b, group->b))\n goto err;\n }\n if (BN_is_zero(a)) {\n if (BN_is_zero(b))\n goto err;\n } else if (!BN_is_zero(b)) {\n if (!BN_mod_sqr(tmp_1, a, p, ctx))\n goto err;\n if (!BN_mod_mul(tmp_2, tmp_1, a, p, ctx))\n goto err;\n if (!BN_lshift(tmp_1, tmp_2, 2))\n goto err;\n if (!BN_mod_sqr(tmp_2, b, p, ctx))\n goto err;\n if (!BN_mul_word(tmp_2, 27))\n goto err;\n if (!BN_mod_add(a, tmp_1, tmp_2, p, ctx))\n goto err;\n if (BN_is_zero(a))\n goto err;\n }\n ret = 1;\n err:\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n int i;\n BN_ULONG *A;\n const BN_ULONG *B;\n bn_check_top(b);\n if (a == b)\n return (a);\n if (bn_wexpand(a, b->top) == NULL)\n return (NULL);\n#if 1\n A = a->d;\n B = b->d;\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:;\n }\n#else\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n#endif\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return (a);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_malloc(words * sizeof(*a));\n else\n a = A = OPENSSL_malloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#ifdef PURIFY\n memset(a, 0, sizeof(*a) * words);\n#endif\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}']
5,726
0
https://gitlab.com/libtiff/libtiff/blob/bfbc717684115d7beb96c82255dad2dd4a4b8845/libtiff/tif_ojpeg.c/#L1751
static int OJPEGReadHeaderInfoSecTablesQTable(TIFF* tif) { static const char module[]="OJPEGReadHeaderInfoSecTablesQTable"; OJPEGState* sp=(OJPEGState*)tif->tif_data; uint8 m; uint8 n; uint32 oa; uint8* ob; uint32 p; if (sp->qtable_offset[0]==0) { TIFFErrorExt(tif->tif_clientdata,module,"Missing JPEG tables"); return(0); } sp->in_buffer_file_pos_log=0; for (m=0; m<sp->samples_per_pixel; m++) { if ((sp->qtable_offset[m]!=0) && ((m==0) || (sp->qtable_offset[m]!=sp->qtable_offset[m-1]))) { for (n=0; n<m-1; n++) { if (sp->qtable_offset[m]==sp->qtable_offset[n]) { TIFFErrorExt(tif->tif_clientdata,module,"Corrupt JpegQTables tag value"); return(0); } } oa=sizeof(uint32)+69; ob=_TIFFmalloc(oa); if (ob==0) { TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); return(0); } *(uint32*)ob=oa; ob[sizeof(uint32)]=255; ob[sizeof(uint32)+1]=JPEG_MARKER_DQT; ob[sizeof(uint32)+2]=0; ob[sizeof(uint32)+3]=67; ob[sizeof(uint32)+4]=m; TIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET); p=TIFFReadFile(tif,&ob[sizeof(uint32)+5],64); if (p!=64) return(0); sp->qtable[m]=ob; sp->sof_tq[m]=m; } else sp->sof_tq[m]=sp->sof_tq[m-1]; } return(1); }
['static int\nOJPEGReadHeaderInfoSecTablesQTable(TIFF* tif)\n{\n\tstatic const char module[]="OJPEGReadHeaderInfoSecTablesQTable";\n\tOJPEGState* sp=(OJPEGState*)tif->tif_data;\n\tuint8 m;\n\tuint8 n;\n\tuint32 oa;\n\tuint8* ob;\n\tuint32 p;\n\tif (sp->qtable_offset[0]==0)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Missing JPEG tables");\n\t\treturn(0);\n\t}\n\tsp->in_buffer_file_pos_log=0;\n\tfor (m=0; m<sp->samples_per_pixel; m++)\n\t{\n\t\tif ((sp->qtable_offset[m]!=0) && ((m==0) || (sp->qtable_offset[m]!=sp->qtable_offset[m-1])))\n\t\t{\n\t\t\tfor (n=0; n<m-1; n++)\n\t\t\t{\n\t\t\t\tif (sp->qtable_offset[m]==sp->qtable_offset[n])\n\t\t\t\t{\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Corrupt JpegQTables tag value");\n\t\t\t\t\treturn(0);\n\t\t\t\t}\n\t\t\t}\n\t\t\toa=sizeof(uint32)+69;\n\t\t\tob=_TIFFmalloc(oa);\n\t\t\tif (ob==0)\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\t*(uint32*)ob=oa;\n\t\t\tob[sizeof(uint32)]=255;\n\t\t\tob[sizeof(uint32)+1]=JPEG_MARKER_DQT;\n\t\t\tob[sizeof(uint32)+2]=0;\n\t\t\tob[sizeof(uint32)+3]=67;\n\t\t\tob[sizeof(uint32)+4]=m;\n\t\t\tTIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET);\n\t\t\tp=TIFFReadFile(tif,&ob[sizeof(uint32)+5],64);\n\t\t\tif (p!=64)\n\t\t\t\treturn(0);\n\t\t\tsp->qtable[m]=ob;\n\t\t\tsp->sof_tq[m]=m;\n\t\t}\n\t\telse\n\t\t\tsp->sof_tq[m]=sp->sof_tq[m-1];\n\t}\n\treturn(1);\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n\treturn (malloc((size_t) s));\n}']
5,727
0
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L135
static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2; src[1+0*stride]= src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2; src[2+0*stride]= src[1+1*stride]= src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2; src[3+0*stride]= src[2+1*stride]= src[1+2*stride]= src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2; src[3+1*stride]= src[2+2*stride]= src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2; src[3+2*stride]= src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2; src[3+3*stride]=(t6 + 3*t7 + 2)>>2; }
['static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){\n LOAD_TOP_EDGE\n LOAD_TOP_RIGHT_EDGE\n src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;\n src[1+0*stride]=\n src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;\n src[2+0*stride]=\n src[1+1*stride]=\n src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;\n src[3+0*stride]=\n src[2+1*stride]=\n src[1+2*stride]=\n src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;\n src[3+1*stride]=\n src[2+2*stride]=\n src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;\n src[3+2*stride]=\n src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;\n src[3+3*stride]=(t6 + 3*t7 + 2)>>2;\n}']
5,728
0
https://github.com/openssl/openssl/blob/3ba25ee86a3758cc659c954b59718d8397030768/ssl/ssl_cert.c/#L754
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, const char *dir) { DIR *d; struct dirent *dstruct; int ret = 0; CRYPTO_w_lock(CRYPTO_LOCK_READDIR); d = opendir(dir); if(!d) { SYSerr(SYS_F_OPENDIR, get_last_sys_error()); ERR_add_error_data(3, "opendir('", dir, "')"); SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); goto err; } while((dstruct=readdir(d))) { char buf[1024]; int r; if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf) { SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); goto err; } r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name); if (r <= 0 || r >= sizeof buf) goto err; if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) goto err; } ret = 1; err: CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); return ret; }
['int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,\n\t\t\t\t const char *dir)\n\t{\n\tDIR *d;\n\tstruct dirent *dstruct;\n\tint ret = 0;\n\tCRYPTO_w_lock(CRYPTO_LOCK_READDIR);\n\td = opendir(dir);\n\tif(!d)\n\t\t{\n\t\tSYSerr(SYS_F_OPENDIR, get_last_sys_error());\n\t\tERR_add_error_data(3, "opendir(\'", dir, "\')");\n\t\tSSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);\n\t\tgoto err;\n\t\t}\n\twhile((dstruct=readdir(d)))\n\t\t{\n\t\tchar buf[1024];\n\t\tint r;\n\t\tif(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);\n\t\t\tgoto err;\n\t\t\t}\n\t\tr = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name);\n\t\tif (r <= 0 || r >= sizeof buf)\n\t\t\tgoto err;\n\t\tif(!SSL_add_file_cert_subjects_to_stack(stack,buf))\n\t\t\tgoto err;\n\t\t}\n\tret = 1;\nerr:\n\tCRYPTO_w_unlock(CRYPTO_LOCK_READDIR);\n\treturn ret;\n\t}', 'void CRYPTO_lock(int mode, int type, const char *file, int line)\n\t{\n#ifdef LOCK_DEBUG\n\t\t{\n\t\tchar *rw_text,*operation_text;\n\t\tif (mode & CRYPTO_LOCK)\n\t\t\toperation_text="lock ";\n\t\telse if (mode & CRYPTO_UNLOCK)\n\t\t\toperation_text="unlock";\n\t\telse\n\t\t\toperation_text="ERROR ";\n\t\tif (mode & CRYPTO_READ)\n\t\t\trw_text="r";\n\t\telse if (mode & CRYPTO_WRITE)\n\t\t\trw_text="w";\n\t\telse\n\t\t\trw_text="ERROR";\n\t\tfprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\\n",\n\t\t\tCRYPTO_thread_id(), rw_text, operation_text,\n\t\t\tCRYPTO_get_lock_name(type), file, line);\n\t\t}\n#endif\n\tif (type < 0)\n\t\t{\n\t\tint i = -type - 1;\n\t\tstruct CRYPTO_dynlock_value *pointer\n\t\t\t= CRYPTO_get_dynlock_value(i);\n\t\tif (pointer)\n\t\t\t{\n\t\t\tdynlock_lock_callback(mode, pointer, file, line);\n\t\t\t}\n\t\tCRYPTO_destroy_dynlockid(i);\n\t\t}\n\telse\n\t\tif (locking_callback != NULL)\n\t\t\tlocking_callback(mode,type,file,line);\n\t}']
5,729
0
https://github.com/openssl/openssl/blob/b2cf7c6452aae1e85ade176bf54ad89bf0263eb2/crypto/asn1/asn1_gen.c/#L467
static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf) { ASN1_TYPE *ret = NULL; STACK_OF(ASN1_TYPE) *sk = NULL; STACK_OF(CONF_VALUE) *sect = NULL; unsigned char *der = NULL; int derlen; int i; sk = sk_ASN1_TYPE_new_null(); if (section) { if (!cnf) goto bad; sect = X509V3_get_section(cnf, (char *)section); if (!sect) goto bad; for (i = 0; i < sk_CONF_VALUE_num(sect); i++) { ASN1_TYPE *typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf); if (!typ) goto bad; sk_ASN1_TYPE_push(sk, typ); } } if (utype == V_ASN1_SET) derlen = i2d_ASN1_SET_ANY(sk, &der); else derlen = i2d_ASN1_SEQUENCE_ANY(sk, &der); if (!(ret = ASN1_TYPE_new())) goto bad; if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype))) goto bad; ret->type = utype; ret->value.asn1_string->data = der; ret->value.asn1_string->length = derlen; der = NULL; bad: if (der) OPENSSL_free(der); if (sk) sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free); if (sect) X509V3_section_free(cnf, sect); return ret; }
['static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf)\n\t{\n\tASN1_TYPE *ret = NULL;\n\tSTACK_OF(ASN1_TYPE) *sk = NULL;\n\tSTACK_OF(CONF_VALUE) *sect = NULL;\n\tunsigned char *der = NULL;\n\tint derlen;\n\tint i;\n\tsk = sk_ASN1_TYPE_new_null();\n\tif (section)\n\t\t{\n\t\tif (!cnf)\n\t\t\tgoto bad;\n\t\tsect = X509V3_get_section(cnf, (char *)section);\n\t\tif (!sect)\n\t\t\tgoto bad;\n\t\tfor (i = 0; i < sk_CONF_VALUE_num(sect); i++)\n\t\t\t{\n\t\t\tASN1_TYPE *typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf);\n\t\t\tif (!typ)\n\t\t\t\tgoto bad;\n\t\t\tsk_ASN1_TYPE_push(sk, typ);\n\t\t\t}\n\t\t}\n\tif (utype == V_ASN1_SET)\n\t\tderlen = i2d_ASN1_SET_ANY(sk, &der);\n\telse\n\t\tderlen = i2d_ASN1_SEQUENCE_ANY(sk, &der);\n\tif (!(ret = ASN1_TYPE_new()))\n\t\tgoto bad;\n\tif (!(ret->value.asn1_string = ASN1_STRING_type_new(utype)))\n\t\tgoto bad;\n\tret->type = utype;\n\tret->value.asn1_string->data = der;\n\tret->value.asn1_string->length = derlen;\n\tder = NULL;\n\tbad:\n\tif (der)\n\t\tOPENSSL_free(der);\n\tif (sk)\n\t\tsk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free);\n\tif (sect)\n\t\tX509V3_section_free(cnf, sect);\n\treturn ret;\n\t}', '_STACK *sk_new_null(void)\n\t{\n\treturn sk_new((int (*)(const void *, const void *))0);\n\t}', '_STACK *sk_new(int (*c)(const void *, const void *))\n\t{\n\t_STACK *ret;\n\tint i;\n\tif ((ret=OPENSSL_malloc(sizeof(_STACK))) == NULL)\n\t\tgoto err;\n\tif ((ret->data=OPENSSL_malloc(sizeof(char *)*MIN_NODES)) == NULL)\n\t\tgoto err;\n\tfor (i=0; i<MIN_NODES; i++)\n\t\tret->data[i]=NULL;\n\tret->comp=c;\n\tret->num_alloc=MIN_NODES;\n\tret->num=0;\n\tret->sorted=0;\n\treturn(ret);\nerr:\n\tif(ret)\n\t\tOPENSSL_free(ret);\n\treturn(NULL);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if(ret && (num > 2048))\n\t{\textern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\t}\n#endif\n\treturn ret;\n\t}', 'STACK_OF(CONF_VALUE) * X509V3_get_section(X509V3_CTX *ctx, char *section)\n\t{\n\tif(!ctx->db || !ctx->db_meth || !ctx->db_meth->get_section)\n\t\t{\n\t\tX509V3err(X509V3_F_X509V3_GET_SECTION,X509V3_R_OPERATION_NOT_DEFINED);\n\t\treturn NULL;\n\t\t}\n\tif (ctx->db_meth->get_section)\n\t\t\treturn ctx->db_meth->get_section(ctx->db, section);\n\treturn NULL;\n\t}', 'int sk_num(const _STACK *st)\n{\n\tif(st == NULL) return -1;\n\treturn st->num;\n}', 'void *sk_value(const _STACK *st, int i)\n{\n\tif(!st || (i < 0) || (i >= st->num)) return NULL;\n\treturn st->data[i];\n}', 'int sk_push(_STACK *st, void *data)\n\t{\n\treturn(sk_insert(st,data,st->num));\n\t}']
5,730
0
https://github.com/libav/libav/blob/eec7f032a903e06d249d1e8aa6630b65292bf40f/libavcodec/vp9block.c/#L1320
static int inter_recon(AVCodecContext *avctx) { static const uint8_t bwlog_tab[2][N_BS_SIZES] = { { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 }, { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 }, }; VP9Context *s = avctx->priv_data; VP9Block *const b = &s->b; int row = b->row, col = b->col; AVFrame *ref1 = s->refs[s->refidx[b->ref[0]]]; AVFrame *ref2 = b->comp ? s->refs[s->refidx[b->ref[1]]] : NULL; int w = avctx->width, h = avctx->height; ptrdiff_t ls_y = b->y_stride, ls_uv = b->uv_stride; if (!ref1->data[0] || (b->comp && !ref2->data[0])) return AVERROR_INVALIDDATA; if (b->bs > BS_8x8) { if (b->bs == BS_8x4) { mc_luma_dir(s, s->dsp.mc[3][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], 8, 4, w, h); mc_luma_dir(s, s->dsp.mc[3][b->filter][0], b->dst[0] + 4 * ls_y, ls_y, ref1->data[0], ref1->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w, h); if (b->comp) { mc_luma_dir(s, s->dsp.mc[3][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], 8, 4, w, h); mc_luma_dir(s, s->dsp.mc[3][b->filter][1], b->dst[0] + 4 * ls_y, ls_y, ref2->data[0], ref2->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w, h); } } else if (b->bs == BS_4x8) { mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], 4, 8, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y, ref1->data[0], ref1->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w, h); if (b->comp) { mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], 4, 8, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y, ref2->data[0], ref2->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w, h); } } else { av_assert2(b->bs == BS_4x4); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y, ref1->data[0], ref1->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4 * ls_y, ls_y, ref1->data[0], ref1->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4 * ls_y + 4, ls_y, ref1->data[0], ref1->linesize[0], (row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w, h); if (b->comp) { mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y, ref2->data[0], ref2->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4 * ls_y, ls_y, ref2->data[0], ref2->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4 * ls_y + 4, ls_y, ref2->data[0], ref2->linesize[0], (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w, h); } } } else { int bwl = bwlog_tab[0][b->bs]; int bw = bwh_tab[0][b->bs][0] * 4; int bh = bwh_tab[0][b->bs][1] * 4; mc_luma_dir(s, s->dsp.mc[bwl][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], bw, bh, w, h); if (b->comp) mc_luma_dir(s, s->dsp.mc[bwl][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], bw, bh, w, h); } { int bwl = bwlog_tab[1][b->bs]; int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4; VP56mv mvuv; w = (w + 1) >> 1; h = (h + 1) >> 1; if (b->bs > BS_8x8) { mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x + b->mv[2][0].x + b->mv[3][0].x, 4); mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y + b->mv[2][0].y + b->mv[3][0].y, 4); } else { mvuv = b->mv[0][0]; } mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][0], b->dst[1], b->dst[2], ls_uv, ref1->data[1], ref1->linesize[1], ref1->data[2], ref1->linesize[2], row << 2, col << 2, &mvuv, bw, bh, w, h); if (b->comp) { if (b->bs > BS_8x8) { mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x + b->mv[2][1].x + b->mv[3][1].x, 4); mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y + b->mv[2][1].y + b->mv[3][1].y, 4); } else { mvuv = b->mv[0][1]; } mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][1], b->dst[1], b->dst[2], ls_uv, ref2->data[1], ref2->linesize[1], ref2->data[2], ref2->linesize[2], row << 2, col << 2, &mvuv, bw, bh, w, h); } } if (!b->skip) { int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n; int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2); int end_x = FFMIN(2 * (s->cols - col), w4); int end_y = FFMIN(2 * (s->rows - row), h4); int tx = 4 * s->lossless + b->tx, uvtx = b->uvtx + 4 * s->lossless; int uvstep1d = 1 << b->uvtx, p; uint8_t *dst = b->dst[0]; for (n = 0, y = 0; y < end_y; y += step1d) { uint8_t *ptr = dst; for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d, n += step) { int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n]; if (eob) s->dsp.itxfm_add[tx][DCT_DCT](ptr, b->y_stride, s->block + 16 * n, eob); } dst += 4 * b->y_stride * step1d; } h4 >>= 1; w4 >>= 1; end_x >>= 1; end_y >>= 1; step = 1 << (b->uvtx * 2); for (p = 0; p < 2; p++) { dst = b->dst[p + 1]; for (n = 0, y = 0; y < end_y; y += uvstep1d) { uint8_t *ptr = dst; for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d, n += step) { int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n]; if (eob) s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, b->uv_stride, s->uvblock[p] + 16 * n, eob); } dst += 4 * uvstep1d * b->uv_stride; } } } return 0; }
['static int inter_recon(AVCodecContext *avctx)\n{\n static const uint8_t bwlog_tab[2][N_BS_SIZES] = {\n { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },\n { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },\n };\n VP9Context *s = avctx->priv_data;\n VP9Block *const b = &s->b;\n int row = b->row, col = b->col;\n AVFrame *ref1 = s->refs[s->refidx[b->ref[0]]];\n AVFrame *ref2 = b->comp ? s->refs[s->refidx[b->ref[1]]] : NULL;\n int w = avctx->width, h = avctx->height;\n ptrdiff_t ls_y = b->y_stride, ls_uv = b->uv_stride;\n if (!ref1->data[0] || (b->comp && !ref2->data[0]))\n return AVERROR_INVALIDDATA;\n if (b->bs > BS_8x8) {\n if (b->bs == BS_8x4) {\n mc_luma_dir(s, s->dsp.mc[3][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], 8, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[3][b->filter][0],\n b->dst[0] + 4 * ls_y, ls_y,\n ref1->data[0], ref1->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w, h);\n if (b->comp) {\n mc_luma_dir(s, s->dsp.mc[3][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], 8, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[3][b->filter][1],\n b->dst[0] + 4 * ls_y, ls_y,\n ref2->data[0], ref2->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w, h);\n }\n } else if (b->bs == BS_4x8) {\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], 4, 8, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w, h);\n if (b->comp) {\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], 4, 8, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w, h);\n }\n } else {\n av_assert2(b->bs == BS_4x4);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0],\n b->dst[0] + 4 * ls_y, ls_y,\n ref1->data[0], ref1->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][0],\n b->dst[0] + 4 * ls_y + 4, ls_y,\n ref1->data[0], ref1->linesize[0],\n (row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w, h);\n if (b->comp) {\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1],\n b->dst[0] + 4 * ls_y, ls_y,\n ref2->data[0], ref2->linesize[0],\n (row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w, h);\n mc_luma_dir(s, s->dsp.mc[4][b->filter][1],\n b->dst[0] + 4 * ls_y + 4, ls_y,\n ref2->data[0], ref2->linesize[0],\n (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w, h);\n }\n }\n } else {\n int bwl = bwlog_tab[0][b->bs];\n int bw = bwh_tab[0][b->bs][0] * 4;\n int bh = bwh_tab[0][b->bs][1] * 4;\n mc_luma_dir(s, s->dsp.mc[bwl][b->filter][0], b->dst[0], ls_y,\n ref1->data[0], ref1->linesize[0],\n row << 3, col << 3, &b->mv[0][0], bw, bh, w, h);\n if (b->comp)\n mc_luma_dir(s, s->dsp.mc[bwl][b->filter][1], b->dst[0], ls_y,\n ref2->data[0], ref2->linesize[0],\n row << 3, col << 3, &b->mv[0][1], bw, bh, w, h);\n }\n {\n int bwl = bwlog_tab[1][b->bs];\n int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4;\n VP56mv mvuv;\n w = (w + 1) >> 1;\n h = (h + 1) >> 1;\n if (b->bs > BS_8x8) {\n mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x +\n b->mv[2][0].x + b->mv[3][0].x, 4);\n mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y +\n b->mv[2][0].y + b->mv[3][0].y, 4);\n } else {\n mvuv = b->mv[0][0];\n }\n mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][0],\n b->dst[1], b->dst[2], ls_uv,\n ref1->data[1], ref1->linesize[1],\n ref1->data[2], ref1->linesize[2],\n row << 2, col << 2, &mvuv, bw, bh, w, h);\n if (b->comp) {\n if (b->bs > BS_8x8) {\n mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x +\n b->mv[2][1].x + b->mv[3][1].x, 4);\n mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y +\n b->mv[2][1].y + b->mv[3][1].y, 4);\n } else {\n mvuv = b->mv[0][1];\n }\n mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][1],\n b->dst[1], b->dst[2], ls_uv,\n ref2->data[1], ref2->linesize[1],\n ref2->data[2], ref2->linesize[2],\n row << 2, col << 2, &mvuv, bw, bh, w, h);\n }\n }\n if (!b->skip) {\n int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;\n int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);\n int end_x = FFMIN(2 * (s->cols - col), w4);\n int end_y = FFMIN(2 * (s->rows - row), h4);\n int tx = 4 * s->lossless + b->tx, uvtx = b->uvtx + 4 * s->lossless;\n int uvstep1d = 1 << b->uvtx, p;\n uint8_t *dst = b->dst[0];\n for (n = 0, y = 0; y < end_y; y += step1d) {\n uint8_t *ptr = dst;\n for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d, n += step) {\n int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];\n if (eob)\n s->dsp.itxfm_add[tx][DCT_DCT](ptr, b->y_stride,\n s->block + 16 * n, eob);\n }\n dst += 4 * b->y_stride * step1d;\n }\n h4 >>= 1;\n w4 >>= 1;\n end_x >>= 1;\n end_y >>= 1;\n step = 1 << (b->uvtx * 2);\n for (p = 0; p < 2; p++) {\n dst = b->dst[p + 1];\n for (n = 0, y = 0; y < end_y; y += uvstep1d) {\n uint8_t *ptr = dst;\n for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d, n += step) {\n int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n])\n : s->uveob[p][n];\n if (eob)\n s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, b->uv_stride,\n s->uvblock[p] + 16 * n, eob);\n }\n dst += 4 * uvstep1d * b->uv_stride;\n }\n }\n }\n return 0;\n}']
5,731
0
https://github.com/libav/libav/blob/79f5347a983342e2711ca8ba19ec3d8d151183f0/libavformat/utils.c/#L2491
void avformat_free_context(AVFormatContext *s) { int i; if (!s) return; av_opt_free(s); if (s->iformat && s->iformat->priv_class && s->priv_data) av_opt_free(s->priv_data); for (i = 0; i < s->nb_streams; i++) free_stream(&s->streams[i]); for (i = s->nb_programs - 1; i >= 0; i--) { av_dict_free(&s->programs[i]->metadata); av_freep(&s->programs[i]->stream_index); av_freep(&s->programs[i]); } av_freep(&s->programs); av_freep(&s->priv_data); while (s->nb_chapters--) { av_dict_free(&s->chapters[s->nb_chapters]->metadata); av_free(s->chapters[s->nb_chapters]); } av_freep(&s->chapters); av_dict_free(&s->metadata); av_freep(&s->streams); av_freep(&s->internal); av_free(s); }
['static int sap_read_close(AVFormatContext *s)\n{\n struct SAPState *sap = s->priv_data;\n if (sap->sdp_ctx)\n avformat_close_input(&sap->sdp_ctx);\n if (sap->ann_fd)\n ffurl_close(sap->ann_fd);\n av_freep(&sap->sdp);\n ff_network_close();\n return 0;\n}', 'void avformat_close_input(AVFormatContext **ps)\n{\n AVFormatContext *s = *ps;\n AVIOContext *pb = s->pb;\n if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||\n (s->flags & AVFMT_FLAG_CUSTOM_IO))\n pb = NULL;\n flush_packet_queue(s);\n if (s->iformat)\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n avformat_free_context(s);\n *ps = NULL;\n avio_close(pb);\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i;\n if (!s)\n return;\n av_opt_free(s);\n if (s->iformat && s->iformat->priv_class && s->priv_data)\n av_opt_free(s->priv_data);\n for (i = 0; i < s->nb_streams; i++)\n free_stream(&s->streams[i]);\n for (i = s->nb_programs - 1; i >= 0; i--) {\n av_dict_free(&s->programs[i]->metadata);\n av_freep(&s->programs[i]->stream_index);\n av_freep(&s->programs[i]);\n }\n av_freep(&s->programs);\n av_freep(&s->priv_data);\n while (s->nb_chapters--) {\n av_dict_free(&s->chapters[s->nb_chapters]->metadata);\n av_free(s->chapters[s->nb_chapters]);\n }\n av_freep(&s->chapters);\n av_dict_free(&s->metadata);\n av_freep(&s->streams);\n av_freep(&s->internal);\n av_free(s);\n}']
5,732
0
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L683
static int hex_search(MpegEncContext * s, int *best, int dmin, int src_index, int ref_index, int const penalty_factor, int size, int h, int flags, int dia_size) { MotionEstContext * const c= &s->me; me_cmp_func cmpf, chroma_cmpf; LOAD_COMMON LOAD_COMMON2 int map_generation= c->map_generation; int x,y,d; const int dec= dia_size & (dia_size-1); cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; for(;dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){ do{ x= best[0]; y= best[1]; CHECK_CLIPPED_MV(x -dia_size , y); CHECK_CLIPPED_MV(x+ dia_size , y); CHECK_CLIPPED_MV(x+( dia_size>>1), y+dia_size); CHECK_CLIPPED_MV(x+( dia_size>>1), y-dia_size); if(dia_size>1){ CHECK_CLIPPED_MV(x+(-dia_size>>1), y+dia_size); CHECK_CLIPPED_MV(x+(-dia_size>>1), y-dia_size); } }while(best[0] != x || best[1] != y); } return dmin; }
['static int hex_search(MpegEncContext * s, int *best, int dmin,\n int src_index, int ref_index, int const penalty_factor,\n int size, int h, int flags, int dia_size)\n{\n MotionEstContext * const c= &s->me;\n me_cmp_func cmpf, chroma_cmpf;\n LOAD_COMMON\n LOAD_COMMON2\n int map_generation= c->map_generation;\n int x,y,d;\n const int dec= dia_size & (dia_size-1);\n cmpf= s->dsp.me_cmp[size];\n chroma_cmpf= s->dsp.me_cmp[size+1];\n for(;dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){\n do{\n x= best[0];\n y= best[1];\n CHECK_CLIPPED_MV(x -dia_size , y);\n CHECK_CLIPPED_MV(x+ dia_size , y);\n CHECK_CLIPPED_MV(x+( dia_size>>1), y+dia_size);\n CHECK_CLIPPED_MV(x+( dia_size>>1), y-dia_size);\n if(dia_size>1){\n CHECK_CLIPPED_MV(x+(-dia_size>>1), y+dia_size);\n CHECK_CLIPPED_MV(x+(-dia_size>>1), y-dia_size);\n }\n }while(best[0] != x || best[1] != y);\n }\n return dmin;\n}']
5,733
0
https://github.com/openssl/openssl/blob/e7d961e994620dd5dee6d80794a07fb9de1bab66/ssl/packet_locl.h/#L36
static ossl_inline void packet_forward(PACKET *pkt, size_t len) { pkt->curr += len; pkt->remaining -= len; }
['MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt)\n{\n size_t cookie_len;\n PACKET cookiepkt;\n if (!PACKET_forward(pkt, 2)\n || !PACKET_get_length_prefixed_1(pkt, &cookiepkt)) {\n SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_DTLS_PROCESS_HELLO_VERIFY,\n SSL_R_LENGTH_MISMATCH);\n return MSG_PROCESS_ERROR;\n }\n cookie_len = PACKET_remaining(&cookiepkt);\n if (cookie_len > sizeof(s->d1->cookie)) {\n SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_DTLS_PROCESS_HELLO_VERIFY,\n SSL_R_LENGTH_TOO_LONG);\n return MSG_PROCESS_ERROR;\n }\n if (!PACKET_copy_bytes(&cookiepkt, s->d1->cookie, cookie_len)) {\n SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_DTLS_PROCESS_HELLO_VERIFY,\n SSL_R_LENGTH_MISMATCH);\n return MSG_PROCESS_ERROR;\n }\n s->d1->cookie_len = cookie_len;\n return MSG_PROCESS_FINISHED_READING;\n}', 'static ossl_inline int PACKET_get_length_prefixed_1(PACKET *pkt,\n PACKET *subpkt)\n{\n unsigned int length;\n const unsigned char *data;\n PACKET tmp = *pkt;\n if (!PACKET_get_1(&tmp, &length) ||\n !PACKET_get_bytes(&tmp, &data, (size_t)length)) {\n return 0;\n }\n *pkt = tmp;\n subpkt->curr = data;\n subpkt->remaining = length;\n return 1;\n}', 'static ossl_inline int PACKET_copy_bytes(PACKET *pkt,\n unsigned char *data, size_t len)\n{\n if (!PACKET_peek_copy_bytes(pkt, data, len))\n return 0;\n packet_forward(pkt, len);\n return 1;\n}', 'static ossl_inline void packet_forward(PACKET *pkt, size_t len)\n{\n pkt->curr += len;\n pkt->remaining -= len;\n}']
5,734
0
https://github.com/openssl/openssl/blob/84cf97af0691290d53c0a51807fa15f0843219ef/crypto/bn/bn_ctx.c/#L328
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
['int BN_GF2m_mod_exp_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const int p[], BN_CTX *ctx)\n{\n int ret = 0, i, n;\n BIGNUM *u;\n bn_check_top(a);\n bn_check_top(b);\n if (BN_is_zero(b))\n return (BN_one(r));\n if (BN_abs_is_word(b, 1))\n return (BN_copy(r, a) != NULL);\n BN_CTX_start(ctx);\n if ((u = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_GF2m_mod_arr(u, a, p))\n goto err;\n n = BN_num_bits(b) - 1;\n for (i = n - 1; i >= 0; i--) {\n if (!BN_GF2m_mod_sqr_arr(u, u, p, ctx))\n goto err;\n if (BN_is_bit_set(b, i)) {\n if (!BN_GF2m_mod_mul_arr(u, u, a, p, ctx))\n goto err;\n }\n }\n if (!BN_copy(r, u))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[],\n BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *s;\n bn_check_top(a);\n BN_CTX_start(ctx);\n if ((s = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!bn_wexpand(s, 2 * a->top))\n goto err;\n for (i = a->top - 1; i >= 0; i--) {\n s->d[2 * i + 1] = SQR1(a->d[i]);\n s->d[2 * i] = SQR0(a->d[i]);\n }\n s->top = 2 * a->top;\n bn_correct_top(s);\n if (!BN_GF2m_mod_arr(r, s, p))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const int p[], BN_CTX *ctx)\n{\n int zlen, i, j, k, ret = 0;\n BIGNUM *s;\n BN_ULONG x1, x0, y1, y0, zz[4];\n bn_check_top(a);\n bn_check_top(b);\n if (a == b) {\n return BN_GF2m_mod_sqr_arr(r, a, p, ctx);\n }\n BN_CTX_start(ctx);\n if ((s = BN_CTX_get(ctx)) == NULL)\n goto err;\n zlen = a->top + b->top + 4;\n if (!bn_wexpand(s, zlen))\n goto err;\n s->top = zlen;\n for (i = 0; i < zlen; i++)\n s->d[i] = 0;\n for (j = 0; j < b->top; j += 2) {\n y0 = b->d[j];\n y1 = ((j + 1) == b->top) ? 0 : b->d[j + 1];\n for (i = 0; i < a->top; i += 2) {\n x0 = a->d[i];\n x1 = ((i + 1) == a->top) ? 0 : a->d[i + 1];\n bn_GF2m_mul_2x2(zz, x1, x0, y1, y0);\n for (k = 0; k < 4; k++)\n s->d[i + j + k] ^= zz[k];\n }\n }\n bn_correct_top(s);\n if (BN_GF2m_mod_arr(r, s, p))\n ret = 1;\n bn_check_top(r);\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}']
5,735
0
https://github.com/openssl/openssl/blob/2d5d70b15559f9813054ddb11b30b816daf62ebe/crypto/bn/bn_lib.c/#L561
BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret) { unsigned int i, m; unsigned int n; BN_ULONG l; BIGNUM *bn = NULL; if (ret == NULL) ret = bn = BN_new(); if (ret == NULL) return (NULL); bn_check_top(ret); l = 0; n = len; if (n == 0) { ret->top = 0; return (ret); } i = ((n - 1) / BN_BYTES) + 1; m = ((n - 1) % (BN_BYTES)); if (bn_wexpand(ret, (int)i) == NULL) { BN_free(bn); return NULL; } ret->top = i; ret->neg = 0; while (n--) { l = (l << 8L) | *(s++); if (m-- == 0) { ret->d[--i] = l; l = 0; m = BN_BYTES - 1; } } bn_correct_top(ret); return (ret); }
['BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)\n{\n BIO *in = NULL;\n BIGNUM *ret = NULL;\n char buf[1024];\n ASN1_INTEGER *ai = NULL;\n ai = ASN1_INTEGER_new();\n if (ai == NULL)\n goto err;\n in = BIO_new_file(serialfile, "r");\n if (in == NULL) {\n if (!create) {\n perror(serialfile);\n goto err;\n }\n ERR_clear_error();\n ret = BN_new();\n if (ret == NULL || !rand_serial(ret, ai))\n BIO_printf(bio_err, "Out of memory\\n");\n } else {\n if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {\n BIO_printf(bio_err, "unable to load number from %s\\n",\n serialfile);\n goto err;\n }\n ret = ASN1_INTEGER_to_BN(ai, NULL);\n if (ret == NULL) {\n BIO_printf(bio_err,\n "error converting number from bin to BIGNUM\\n");\n goto err;\n }\n }\n if (ret && retai) {\n *retai = ai;\n ai = NULL;\n }\n err:\n BIO_free(in);\n ASN1_INTEGER_free(ai);\n return (ret);\n}', 'IMPLEMENT_ASN1_STRING_FUNCTIONS(ASN1_INTEGER)', 'ASN1_STRING *ASN1_STRING_type_new(int type)\n{\n ASN1_STRING *ret;\n ret = OPENSSL_malloc(sizeof(*ret));\n if (ret == NULL) {\n ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n ret->length = 0;\n ret->type = type;\n ret->data = NULL;\n ret->flags = 0;\n return (ret);\n}', "int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size)\n{\n int i, j, k, m, n, again, bufsize;\n unsigned char *s = NULL, *sp;\n unsigned char *bufp;\n int num = 0, slen = 0, first = 1;\n bs->type = V_ASN1_INTEGER;\n bufsize = BIO_gets(bp, buf, size);\n for (;;) {\n if (bufsize < 1)\n goto err;\n i = bufsize;\n if (buf[i - 1] == '\\n')\n buf[--i] = '\\0';\n if (i == 0)\n goto err;\n if (buf[i - 1] == '\\r')\n buf[--i] = '\\0';\n if (i == 0)\n goto err;\n again = (buf[i - 1] == '\\\\');\n for (j = 0; j < i; j++) {\n#ifndef CHARSET_EBCDIC\n if (!(((buf[j] >= '0') && (buf[j] <= '9')) ||\n ((buf[j] >= 'a') && (buf[j] <= 'f')) ||\n ((buf[j] >= 'A') && (buf[j] <= 'F'))))\n#else\n if (!isxdigit(buf[j]))\n#endif\n {\n i = j;\n break;\n }\n }\n buf[i] = '\\0';\n if (i < 2)\n goto err;\n bufp = (unsigned char *)buf;\n if (first) {\n first = 0;\n if ((bufp[0] == '0') && (buf[1] == '0')) {\n bufp += 2;\n i -= 2;\n }\n }\n k = 0;\n i -= again;\n if (i % 2 != 0) {\n ASN1err(ASN1_F_A2I_ASN1_INTEGER, ASN1_R_ODD_NUMBER_OF_CHARS);\n return 0;\n }\n i /= 2;\n if (num + i > slen) {\n sp = OPENSSL_realloc_clean(s, slen, num + i * 2);\n if (sp == NULL) {\n ASN1err(ASN1_F_A2I_ASN1_INTEGER, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(s);\n return 0;\n }\n s = sp;\n slen = num + i * 2;\n }\n for (j = 0; j < i; j++, k += 2) {\n for (n = 0; n < 2; n++) {\n m = bufp[k + n];\n if ((m >= '0') && (m <= '9'))\n m -= '0';\n else if ((m >= 'a') && (m <= 'f'))\n m = m - 'a' + 10;\n else if ((m >= 'A') && (m <= 'F'))\n m = m - 'A' + 10;\n else {\n ASN1err(ASN1_F_A2I_ASN1_INTEGER,\n ASN1_R_NON_HEX_CHARACTERS);\n goto err;\n }\n s[num + j] <<= 4;\n s[num + j] |= m;\n }\n }\n num += i;\n if (again)\n bufsize = BIO_gets(bp, buf, size);\n else\n break;\n }\n bs->length = num;\n bs->data = s;\n return 1;\n err:\n ASN1err(ASN1_F_A2I_ASN1_INTEGER, ASN1_R_SHORT_LINE);\n return 0;\n}", 'BIGNUM *ASN1_INTEGER_to_BN(const ASN1_INTEGER *ai, BIGNUM *bn)\n{\n return asn1_string_to_bn(ai, bn, V_ASN1_INTEGER);\n}', 'static BIGNUM *asn1_string_to_bn(const ASN1_INTEGER *ai, BIGNUM *bn,\n int itype)\n{\n BIGNUM *ret;\n if ((ai->type & ~V_ASN1_NEG) != itype) {\n ASN1err(ASN1_F_ASN1_STRING_TO_BN, ASN1_R_WRONG_INTEGER_TYPE);\n return NULL;\n }\n ret = BN_bin2bn(ai->data, ai->length, bn);\n if (ret == 0) {\n ASN1err(ASN1_F_ASN1_STRING_TO_BN, ASN1_R_BN_LIB);\n return NULL;\n }\n if (ai->type & V_ASN1_NEG)\n BN_set_negative(ret, 1);\n return ret;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return (NULL);\n bn_check_top(ret);\n l = 0;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return (ret);\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return (ret);\n}']
5,736
0
https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/asn1/asn1_lib.c/#L248
static void asn1_put_length(unsigned char **pp, int length) { unsigned char *p = *pp; int i, l; if (length <= 127) *(p++) = (unsigned char)length; else { l = length; for (i = 0; l > 0; i++) l >>= 8; *(p++) = i | 0x80; l = i; while (i-- > 0) { p[i] = length & 0xff; length >>= 8; } p += l; } *pp = p; }
['static int ndef_suffix(BIO *b, unsigned char **pbuf, int *plen, void *parg)\n{\n NDEF_SUPPORT *ndef_aux;\n unsigned char *p;\n int derlen;\n const ASN1_AUX *aux;\n ASN1_STREAM_ARG sarg;\n if (!parg)\n return 0;\n ndef_aux = *(NDEF_SUPPORT **)parg;\n aux = ndef_aux->it->funcs;\n sarg.ndef_bio = ndef_aux->ndef_bio;\n sarg.out = ndef_aux->out;\n sarg.boundary = ndef_aux->boundary;\n if (aux->asn1_cb(ASN1_OP_STREAM_POST,\n &ndef_aux->val, ndef_aux->it, &sarg) <= 0)\n return 0;\n derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it);\n p = OPENSSL_malloc(derlen);\n if (p == NULL)\n return 0;\n ndef_aux->derbuf = p;\n *pbuf = p;\n derlen = ASN1_item_ndef_i2d(ndef_aux->val, &p, ndef_aux->it);\n if (!*ndef_aux->boundary)\n return 0;\n *pbuf = *ndef_aux->boundary;\n *plen = derlen - (*ndef_aux->boundary - ndef_aux->derbuf);\n return 1;\n}', 'int ASN1_item_ndef_i2d(ASN1_VALUE *val, unsigned char **out,\n const ASN1_ITEM *it)\n{\n return asn1_item_flags_i2d(val, out, it, ASN1_TFLG_NDEF);\n}', 'static int asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out,\n const ASN1_ITEM *it, int flags)\n{\n if (out && !*out) {\n unsigned char *p, *buf;\n int len;\n len = ASN1_item_ex_i2d(&val, NULL, it, -1, flags);\n if (len <= 0)\n return len;\n buf = OPENSSL_malloc(len);\n if (buf == NULL)\n return -1;\n p = buf;\n ASN1_item_ex_i2d(&val, &p, it, -1, flags);\n *out = buf;\n return len;\n }\n return ASN1_item_ex_i2d(&val, out, it, -1, flags);\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifdef CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out,\n const ASN1_ITEM *it, int tag, int aclass)\n{\n const ASN1_TEMPLATE *tt = NULL;\n int i, seqcontlen, seqlen, ndef = 1;\n const ASN1_EXTERN_FUNCS *ef;\n const ASN1_AUX *aux = it->funcs;\n ASN1_aux_cb *asn1_cb = 0;\n if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval)\n return 0;\n if (aux && aux->asn1_cb)\n asn1_cb = aux->asn1_cb;\n switch (it->itype) {\n case ASN1_ITYPE_PRIMITIVE:\n if (it->templates)\n return asn1_template_ex_i2d(pval, out, it->templates,\n tag, aclass);\n return asn1_i2d_ex_primitive(pval, out, it, tag, aclass);\n case ASN1_ITYPE_MSTRING:\n return asn1_i2d_ex_primitive(pval, out, it, -1, aclass);\n case ASN1_ITYPE_CHOICE:\n if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL))\n return 0;\n i = asn1_get_choice_selector(pval, it);\n if ((i >= 0) && (i < it->tcount)) {\n ASN1_VALUE **pchval;\n const ASN1_TEMPLATE *chtt;\n chtt = it->templates + i;\n pchval = asn1_get_field_ptr(pval, chtt);\n return asn1_template_ex_i2d(pchval, out, chtt, -1, aclass);\n }\n if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it, NULL))\n return 0;\n break;\n case ASN1_ITYPE_EXTERN:\n ef = it->funcs;\n return ef->asn1_ex_i2d(pval, out, it, tag, aclass);\n case ASN1_ITYPE_NDEF_SEQUENCE:\n if (aclass & ASN1_TFLG_NDEF)\n ndef = 2;\n case ASN1_ITYPE_SEQUENCE:\n i = asn1_enc_restore(&seqcontlen, out, pval, it);\n if (i < 0)\n return 0;\n if (i > 0)\n return seqcontlen;\n seqcontlen = 0;\n if (tag == -1) {\n tag = V_ASN1_SEQUENCE;\n aclass = (aclass & ~ASN1_TFLG_TAG_CLASS)\n | V_ASN1_UNIVERSAL;\n }\n if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL))\n return 0;\n for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) {\n const ASN1_TEMPLATE *seqtt;\n ASN1_VALUE **pseqval;\n seqtt = asn1_do_adb(pval, tt, 1);\n if (!seqtt)\n return 0;\n pseqval = asn1_get_field_ptr(pval, seqtt);\n seqcontlen += asn1_template_ex_i2d(pseqval, NULL, seqtt,\n -1, aclass);\n }\n seqlen = ASN1_object_size(ndef, seqcontlen, tag);\n if (!out)\n return seqlen;\n ASN1_put_object(out, ndef, seqcontlen, tag, aclass);\n for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) {\n const ASN1_TEMPLATE *seqtt;\n ASN1_VALUE **pseqval;\n seqtt = asn1_do_adb(pval, tt, 1);\n if (!seqtt)\n return 0;\n pseqval = asn1_get_field_ptr(pval, seqtt);\n asn1_template_ex_i2d(pseqval, out, seqtt, -1, aclass);\n }\n if (ndef == 2)\n ASN1_put_eoc(out);\n if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it, NULL))\n return 0;\n return seqlen;\n default:\n return 0;\n }\n return 0;\n}', 'static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out,\n const ASN1_ITEM *it, int tag, int aclass)\n{\n int len;\n int utype;\n int usetag;\n int ndef = 0;\n utype = it->utype;\n len = asn1_ex_i2c(pval, NULL, &utype, it);\n if ((utype == V_ASN1_SEQUENCE) || (utype == V_ASN1_SET) ||\n (utype == V_ASN1_OTHER))\n usetag = 0;\n else\n usetag = 1;\n if (len == -1)\n return 0;\n if (len == -2) {\n ndef = 2;\n len = 0;\n }\n if (tag == -1)\n tag = utype;\n if (out) {\n if (usetag)\n ASN1_put_object(out, ndef, len, tag, aclass);\n asn1_ex_i2c(pval, *out, &utype, it);\n if (ndef)\n ASN1_put_eoc(out);\n else\n *out += len;\n }\n if (usetag)\n return ASN1_object_size(ndef, len, tag);\n return len;\n}', 'void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag,\n int xclass)\n{\n unsigned char *p = *pp;\n int i, ttag;\n i = (constructed) ? V_ASN1_CONSTRUCTED : 0;\n i |= (xclass & V_ASN1_PRIVATE);\n if (tag < 31)\n *(p++) = i | (tag & V_ASN1_PRIMITIVE_TAG);\n else {\n *(p++) = i | V_ASN1_PRIMITIVE_TAG;\n for (i = 0, ttag = tag; ttag > 0; i++)\n ttag >>= 7;\n ttag = i;\n while (i-- > 0) {\n p[i] = tag & 0x7f;\n if (i != (ttag - 1))\n p[i] |= 0x80;\n tag >>= 7;\n }\n p += ttag;\n }\n if (constructed == 2)\n *(p++) = 0x80;\n else\n asn1_put_length(&p, length);\n *pp = p;\n}', 'static void asn1_put_length(unsigned char **pp, int length)\n{\n unsigned char *p = *pp;\n int i, l;\n if (length <= 127)\n *(p++) = (unsigned char)length;\n else {\n l = length;\n for (i = 0; l > 0; i++)\n l >>= 8;\n *(p++) = i | 0x80;\n l = i;\n while (i-- > 0) {\n p[i] = length & 0xff;\n length >>= 8;\n }\n p += l;\n }\n *pp = p;\n}']
5,737
0
https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_mont.c/#L108
static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont) { BIGNUM *n; BN_ULONG *ap, *np, *rp, n0, v, carry; int nl, max, i; n = &(mont->N); nl = n->top; if (nl == 0) { ret->top = 0; return 1; } max = (2 * nl); if (bn_wexpand(r, max) == NULL) return 0; r->neg ^= n->neg; np = n->d; rp = r->d; i = max - r->top; if (i) memset(&rp[r->top], 0, sizeof(*rp) * i); r->top = max; n0 = mont->n0[0]; for (carry = 0, i = 0; i < nl; i++, rp++) { v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2); v = (v + carry + rp[nl]) & BN_MASK2; carry |= (v != rp[nl]); carry &= (v <= rp[nl]); rp[nl] = v; } if (bn_wexpand(ret, nl) == NULL) return 0; ret->top = nl; ret->neg = r->neg; rp = ret->d; ap = &(r->d[nl]); # define BRANCH_FREE 1 # if BRANCH_FREE { BN_ULONG *nrp; size_t m; v = bn_sub_words(rp, ap, np, nl) - carry; m = (0 - (size_t)v); nrp = (BN_ULONG *)(((PTR_SIZE_INT) rp & ~m) | ((PTR_SIZE_INT) ap & m)); for (i = 0, nl -= 4; i < nl; i += 4) { BN_ULONG t1, t2, t3, t4; t1 = nrp[i + 0]; t2 = nrp[i + 1]; t3 = nrp[i + 2]; ap[i + 0] = 0; t4 = nrp[i + 3]; ap[i + 1] = 0; rp[i + 0] = t1; ap[i + 2] = 0; rp[i + 1] = t2; ap[i + 3] = 0; rp[i + 2] = t3; rp[i + 3] = t4; } for (nl += 4; i < nl; i++) rp[i] = nrp[i], ap[i] = 0; } # else if (bn_sub_words(rp, ap, np, nl) - carry) memcpy(rp, ap, nl * sizeof(BN_ULONG)); # endif bn_correct_top(r); bn_correct_top(ret); bn_check_top(ret); return 1; }
['static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)\n{\n BIGNUM *n;\n BN_ULONG *ap, *np, *rp, n0, v, carry;\n int nl, max, i;\n n = &(mont->N);\n nl = n->top;\n if (nl == 0) {\n ret->top = 0;\n return 1;\n }\n max = (2 * nl);\n if (bn_wexpand(r, max) == NULL)\n return 0;\n r->neg ^= n->neg;\n np = n->d;\n rp = r->d;\n i = max - r->top;\n if (i)\n memset(&rp[r->top], 0, sizeof(*rp) * i);\n r->top = max;\n n0 = mont->n0[0];\n for (carry = 0, i = 0; i < nl; i++, rp++) {\n v = bn_mul_add_words(rp, np, nl, (rp[0] * n0) & BN_MASK2);\n v = (v + carry + rp[nl]) & BN_MASK2;\n carry |= (v != rp[nl]);\n carry &= (v <= rp[nl]);\n rp[nl] = v;\n }\n if (bn_wexpand(ret, nl) == NULL)\n return 0;\n ret->top = nl;\n ret->neg = r->neg;\n rp = ret->d;\n ap = &(r->d[nl]);\n# define BRANCH_FREE 1\n# if BRANCH_FREE\n {\n BN_ULONG *nrp;\n size_t m;\n v = bn_sub_words(rp, ap, np, nl) - carry;\n m = (0 - (size_t)v);\n nrp =\n (BN_ULONG *)(((PTR_SIZE_INT) rp & ~m) | ((PTR_SIZE_INT) ap & m));\n for (i = 0, nl -= 4; i < nl; i += 4) {\n BN_ULONG t1, t2, t3, t4;\n t1 = nrp[i + 0];\n t2 = nrp[i + 1];\n t3 = nrp[i + 2];\n ap[i + 0] = 0;\n t4 = nrp[i + 3];\n ap[i + 1] = 0;\n rp[i + 0] = t1;\n ap[i + 2] = 0;\n rp[i + 1] = t2;\n ap[i + 3] = 0;\n rp[i + 2] = t3;\n rp[i + 3] = t4;\n }\n for (nl += 4; i < nl; i++)\n rp[i] = nrp[i], ap[i] = 0;\n }\n# else\n if (bn_sub_words(rp, ap, np, nl) - carry)\n memcpy(rp, ap, nl * sizeof(BN_ULONG));\n# endif\n bn_correct_top(r);\n bn_correct_top(ret);\n bn_check_top(ret);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}']
5,738
0
https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/bitstream.h/#L139
static inline uint64_t get_val(BitstreamContext *bc, unsigned n) { #ifdef BITSTREAM_READER_LE uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1); bc->bits >>= n; #else uint64_t ret = bc->bits >> (64 - n); bc->bits <<= n; #endif bc->bits_left -= n; return ret; }
['static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h,\n int stride[3])\n{\n int x, y, p;\n int16_t *sample[4][2];\n int lbd = s->avctx->bits_per_raw_sample <= 8;\n int bits = s->avctx->bits_per_raw_sample > 0\n ? s->avctx->bits_per_raw_sample\n : 8;\n int offset = 1 << bits;\n for (x = 0; x < 4; x++) {\n sample[x][0] = s->sample_buffer + x * 2 * (w + 6) + 3;\n sample[x][1] = s->sample_buffer + (x * 2 + 1) * (w + 6) + 3;\n }\n s->run_index = 0;\n memset(s->sample_buffer, 0, 8 * (w + 6) * sizeof(*s->sample_buffer));\n for (y = 0; y < h; y++) {\n for (p = 0; p < 3 + s->transparency; p++) {\n int16_t *temp = sample[p][0];\n sample[p][0] = sample[p][1];\n sample[p][1] = temp;\n sample[p][1][-1] = sample[p][0][0];\n sample[p][0][w] = sample[p][0][w - 1];\n if (lbd)\n decode_line(s, w, sample[p], (p + 1) / 2, 9);\n else\n decode_line(s, w, sample[p], (p + 1) / 2, bits + 1);\n }\n for (x = 0; x < w; x++) {\n int g = sample[0][1][x];\n int b = sample[1][1][x];\n int r = sample[2][1][x];\n int a = sample[3][1][x];\n b -= offset;\n r -= offset;\n g -= (b + r) >> 2;\n b += g;\n r += g;\n if (lbd)\n *((uint32_t *)(src[0] + x * 4 + stride[0] * y)) = b +\n (g << 8) + (r << 16) + (a << 24);\n else {\n *((uint16_t *)(src[0] + x * 2 + stride[0] * y)) = b;\n *((uint16_t *)(src[1] + x * 2 + stride[1] * y)) = g;\n *((uint16_t *)(src[2] + x * 2 + stride[2] * y)) = r;\n }\n }\n }\n}', 'static av_always_inline void decode_line(FFV1Context *s, int w,\n int16_t *sample[2],\n int plane_index, int bits)\n{\n PlaneContext *const p = &s->plane[plane_index];\n RangeCoder *const c = &s->c;\n int x;\n int run_count = 0;\n int run_mode = 0;\n int run_index = s->run_index;\n for (x = 0; x < w; x++) {\n int diff, context, sign;\n context = get_context(p, sample[1] + x, sample[0] + x, sample[1] + x);\n if (context < 0) {\n context = -context;\n sign = 1;\n } else\n sign = 0;\n av_assert2(context < p->context_count);\n if (s->ac != AC_GOLOMB_RICE) {\n diff = get_symbol_inline(c, p->state[context], 1);\n } else {\n if (context == 0 && run_mode == 0)\n run_mode = 1;\n if (run_mode) {\n if (run_count == 0 && run_mode == 1) {\n if (bitstream_read_bit(&s->bc)) {\n run_count = 1 << ff_log2_run[run_index];\n if (x + run_count <= w)\n run_index++;\n } else {\n if (ff_log2_run[run_index])\n run_count = bitstream_read(&s->bc, ff_log2_run[run_index]);\n else\n run_count = 0;\n if (run_index)\n run_index--;\n run_mode = 2;\n }\n }\n run_count--;\n if (run_count < 0) {\n run_mode = 0;\n run_count = 0;\n diff = get_vlc_symbol(&s->bc, &p->vlc_state[context],\n bits);\n if (diff >= 0)\n diff++;\n } else\n diff = 0;\n } else\n diff = get_vlc_symbol(&s->bc, &p->vlc_state[context], bits);\n ff_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\\n",\n run_count, run_index, run_mode, x, bitstream_tell(&s->bc));\n }\n if (sign)\n diff = -diff;\n sample[1][x] = (predict(sample[1] + x, sample[0] + x) + diff) &\n ((1 << bits) - 1);\n }\n s->run_index = run_index;\n}', 'static inline int get_vlc_symbol(BitstreamContext *bc, VlcState *const state,\n int bits)\n{\n int k, i, v, ret;\n i = state->count;\n k = 0;\n while (i < state->error_sum) {\n k++;\n i += i;\n }\n assert(k <= 8);\n v = get_sr_golomb(bc, k, 12, bits);\n ff_dlog(NULL, "v:%d bias:%d error:%d drift:%d count:%d k:%d",\n v, state->bias, state->error_sum, state->drift, state->count, k);\n v ^= ((2 * state->drift + state->count) >> 31);\n ret = fold(v + state->bias, bits);\n update_vlc_state(state, v);\n return ret;\n}', 'static inline int get_sr_golomb(BitstreamContext *bc, int k, int limit,\n int esc_len)\n{\n int v = get_ur_golomb(bc, k, limit, esc_len);\n v++;\n if (v & 1)\n return v >> 1;\n else\n return -(v >> 1);\n}', 'static inline int get_ur_golomb(BitstreamContext *bc, int k, int limit,\n int esc_len)\n{\n unsigned int buf;\n int log;\n buf = bitstream_peek(bc, 32);\n log = av_log2(buf);\n if (log > 31 - limit) {\n buf >>= log - k;\n buf += (30 - log) << k;\n bitstream_skip(bc, 32 + k - log);\n return buf;\n } else {\n bitstream_skip(bc, limit);\n buf = bitstream_read(bc, esc_len);\n return buf + limit - 1;\n }\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}']
5,739
0
https://github.com/libav/libav/blob/ecf79c4d3e8baaf2f303278ef81db6f8407656bc/libavfilter/formats.c/#L249
void ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref) { FORMATS_REF(f, ref); }
['void ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)\n{\n FORMATS_REF(f, ref);\n}', 'void *av_realloc(void *ptr, size_t size)\n{\n#if CONFIG_MEMALIGN_HACK\n int diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n if(!ptr) return av_malloc(size);\n diff= ((char*)ptr)[-1];\n return (char*)realloc((char*)ptr - diff, size + diff) + diff;\n#else\n return realloc(ptr, size);\n#endif\n}']
5,740
1
https://github.com/openssl/openssl/blob/3da2e9c4ee45989a426ff513dc6c6250d1e460de/crypto/bn/bn_div.c/#L415
int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, BN_CTX *ctx) { int norm_shift, i, j, loop; BIGNUM *tmp, wnum, *snum, *sdiv, *res; BN_ULONG *resp, *wnump; BN_ULONG d0, d1; int num_n, div_n; int no_branch = 0; if ((num->top > 0 && num->d[num->top - 1] == 0) || (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) { BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED); return 0; } bn_check_top(num); bn_check_top(divisor); if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) { no_branch = 1; } bn_check_top(dv); bn_check_top(rm); if (BN_is_zero(divisor)) { BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO); return 0; } if (!no_branch && BN_ucmp(num, divisor) < 0) { if (rm != NULL) { if (BN_copy(rm, num) == NULL) return 0; } if (dv != NULL) BN_zero(dv); return 1; } BN_CTX_start(ctx); res = (dv == NULL) ? BN_CTX_get(ctx) : dv; tmp = BN_CTX_get(ctx); snum = BN_CTX_get(ctx); sdiv = BN_CTX_get(ctx); if (sdiv == NULL) goto err; norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2); if (!(BN_lshift(sdiv, divisor, norm_shift))) goto err; sdiv->neg = 0; norm_shift += BN_BITS2; if (!(BN_lshift(snum, num, norm_shift))) goto err; snum->neg = 0; if (no_branch) { if (snum->top <= sdiv->top + 1) { if (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err; for (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0; snum->top = sdiv->top + 2; } else { if (bn_wexpand(snum, snum->top + 1) == NULL) goto err; snum->d[snum->top] = 0; snum->top++; } } div_n = sdiv->top; num_n = snum->top; loop = num_n - div_n; wnum.neg = 0; wnum.d = &(snum->d[loop]); wnum.top = div_n; wnum.flags = BN_FLG_STATIC_DATA; wnum.dmax = snum->dmax - loop; d0 = sdiv->d[div_n - 1]; d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2]; wnump = &(snum->d[num_n - 1]); if (!bn_wexpand(res, (loop + 1))) goto err; res->neg = (num->neg ^ divisor->neg); res->top = loop - no_branch; resp = &(res->d[loop - 1]); if (!bn_wexpand(tmp, (div_n + 1))) goto err; if (!no_branch) { if (BN_ucmp(&wnum, sdiv) >= 0) { bn_clear_top2max(&wnum); bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n); *resp = 1; } else res->top--; } resp++; if (res->top == 0) res->neg = 0; else resp--; for (i = 0; i < loop - 1; i++, wnump--) { BN_ULONG q, l0; # if defined(BN_DIV3W) q = bn_div_3_words(wnump, d1, d0); # else BN_ULONG n0, n1, rem = 0; n0 = wnump[0]; n1 = wnump[-1]; if (n0 == d0) q = BN_MASK2; else { # ifdef BN_LLONG BN_ULLONG t2; # if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words) q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0); # else q = bn_div_words(n0, n1, d0); # endif # ifndef REMAINDER_IS_ALREADY_CALCULATED rem = (n1 - q * d0) & BN_MASK2; # endif t2 = (BN_ULLONG) d1 *q; for (;;) { if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2])) break; q--; rem += d0; if (rem < d0) break; t2 -= d1; } # else BN_ULONG t2l, t2h; q = bn_div_words(n0, n1, d0); # ifndef REMAINDER_IS_ALREADY_CALCULATED rem = (n1 - q * d0) & BN_MASK2; # endif # if defined(BN_UMULT_LOHI) BN_UMULT_LOHI(t2l, t2h, d1, q); # elif defined(BN_UMULT_HIGH) t2l = d1 * q; t2h = BN_UMULT_HIGH(d1, q); # else { BN_ULONG ql, qh; t2l = LBITS(d1); t2h = HBITS(d1); ql = LBITS(q); qh = HBITS(q); mul64(t2l, t2h, ql, qh); } # endif for (;;) { if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2]))) break; q--; rem += d0; if (rem < d0) break; if (t2l < d1) t2h--; t2l -= d1; } # endif } # endif l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q); tmp->d[div_n] = l0; wnum.d--; l0 = bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1); q -= l0; for (l0 = 0 - l0, j = 0; j < div_n; j++) tmp->d[j] = sdiv->d[j] & l0; l0 = bn_add_words(wnum.d, wnum.d, tmp->d, div_n); (*wnump) += l0; resp--; *resp = q; } bn_correct_top(snum); if (rm != NULL) { int neg = num->neg; BN_rshift(rm, snum, norm_shift); if (!BN_is_zero(rm)) rm->neg = neg; bn_check_top(rm); } if (no_branch) bn_correct_top(res); BN_CTX_end(ctx); return 1; err: bn_check_top(rm); BN_CTX_end(ctx); return 0; }
['int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, j, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.flags = BN_FLG_STATIC_DATA;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W)\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n l0 = bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1);\n q -= l0;\n for (l0 = 0 - l0, j = 0; j < div_n; j++)\n tmp->d[j] = sdiv->d[j] & l0;\n l0 = bn_add_words(wnum.d, wnum.d, tmp->d, div_n);\n (*wnump) += l0;\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}']
5,741
0
https://github.com/libav/libav/blob/a6783b8961a0c68b0b76a35f03538778e67c3ec9/libavcodec/movsub_bsf.c/#L48
static int mov2textsub(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe){ if (buf_size < 2) return 0; *poutbuf_size = FFMIN(buf_size - 2, AV_RB16(buf)); *poutbuf = av_malloc(*poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(*poutbuf, buf + 2, *poutbuf_size); return 1; }
['static int mov2textsub(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,\n uint8_t **poutbuf, int *poutbuf_size,\n const uint8_t *buf, int buf_size, int keyframe){\n if (buf_size < 2) return 0;\n *poutbuf_size = FFMIN(buf_size - 2, AV_RB16(buf));\n *poutbuf = av_malloc(*poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE);\n memcpy(*poutbuf, buf + 2, *poutbuf_size);\n return 1;\n}', 'static av_always_inline av_const uint16_t bswap_16(uint16_t x)\n{\n x= (x>>8) | (x<<8);\n return x;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}']
5,742
0
https://github.com/openssl/openssl/blob/e7d961e994620dd5dee6d80794a07fb9de1bab66/ssl/packet.c/#L48
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { if (!ossl_assert(pkt->subs != NULL && len != 0)) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
['EXT_RETURN tls_construct_ctos_maxfragmentlen(SSL *s, WPACKET *pkt,\n unsigned int context, X509 *x,\n size_t chainidx)\n{\n if (s->ext.max_fragment_len_mode == TLSEXT_max_fragment_length_DISABLED)\n return EXT_RETURN_NOT_SENT;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_max_fragment_length)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, s->ext.max_fragment_len_mode)\n || !WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_CTOS_MAXFRAGMENTLEN, ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n return EXT_RETURN_SENT;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n if (!ossl_assert(pkt->subs != NULL))\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n unsigned char *data;\n if (!ossl_assert(size <= sizeof(unsigned int))\n || !WPACKET_allocate_bytes(pkt, size, &data)\n || !put_value(data, val, size))\n return 0;\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!ossl_assert(pkt->subs != NULL && len != 0))\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}']
5,743
0
https://github.com/libav/libav/blob/5d8122db5c0b537c4d2c3352b4c89cb92f865bc2/libavcodec/wmavoice.c/#L1661
static int check_bits_for_superframe(GetBitContext *orig_gb, WMAVoiceContext *s) { GetBitContext s_gb, *gb = &s_gb; int n, need_bits, bd_idx; const struct frame_type_desc *frame_desc; init_get_bits(gb, orig_gb->buffer, orig_gb->size_in_bits); skip_bits_long(gb, get_bits_count(orig_gb)); assert(get_bits_left(gb) == get_bits_left(orig_gb)); if (get_bits_left(gb) < 14) return 1; if (!get_bits1(gb)) return -1; if (get_bits1(gb)) skip_bits(gb, 12); if (s->has_residual_lsps) { if (get_bits_left(gb) < s->sframe_lsp_bitsize) return 1; skip_bits_long(gb, s->sframe_lsp_bitsize); } for (n = 0; n < MAX_FRAMES; n++) { int aw_idx_is_ext = 0; if (!s->has_residual_lsps) { if (get_bits_left(gb) < s->frame_lsp_bitsize) return 1; skip_bits_long(gb, s->frame_lsp_bitsize); } bd_idx = s->vbm_tree[get_vlc2(gb, frame_type_vlc.table, 6, 3)]; if (bd_idx < 0) return -1; frame_desc = &frame_descs[bd_idx]; if (frame_desc->acb_type == ACB_TYPE_ASYMMETRIC) { if (get_bits_left(gb) < s->pitch_nbits) return 1; skip_bits_long(gb, s->pitch_nbits); } if (frame_desc->fcb_type == FCB_TYPE_SILENCE) { skip_bits(gb, 8); } else if (frame_desc->fcb_type == FCB_TYPE_AW_PULSES) { int tmp = get_bits(gb, 6); if (tmp >= 0x36) { skip_bits(gb, 2); aw_idx_is_ext = 1; } } if (frame_desc->acb_type == ACB_TYPE_HAMMING) { need_bits = s->block_pitch_nbits + (frame_desc->n_blocks - 1) * s->block_delta_pitch_nbits; } else if (frame_desc->fcb_type == FCB_TYPE_AW_PULSES) { need_bits = 2 * !aw_idx_is_ext; } else need_bits = 0; need_bits += frame_desc->frame_size; if (get_bits_left(gb) < need_bits) return 1; skip_bits_long(gb, need_bits); } return 0; }
['static int check_bits_for_superframe(GetBitContext *orig_gb,\n WMAVoiceContext *s)\n{\n GetBitContext s_gb, *gb = &s_gb;\n int n, need_bits, bd_idx;\n const struct frame_type_desc *frame_desc;\n init_get_bits(gb, orig_gb->buffer, orig_gb->size_in_bits);\n skip_bits_long(gb, get_bits_count(orig_gb));\n assert(get_bits_left(gb) == get_bits_left(orig_gb));\n if (get_bits_left(gb) < 14)\n return 1;\n if (!get_bits1(gb))\n return -1;\n if (get_bits1(gb)) skip_bits(gb, 12);\n if (s->has_residual_lsps) {\n if (get_bits_left(gb) < s->sframe_lsp_bitsize)\n return 1;\n skip_bits_long(gb, s->sframe_lsp_bitsize);\n }\n for (n = 0; n < MAX_FRAMES; n++) {\n int aw_idx_is_ext = 0;\n if (!s->has_residual_lsps) {\n if (get_bits_left(gb) < s->frame_lsp_bitsize) return 1;\n skip_bits_long(gb, s->frame_lsp_bitsize);\n }\n bd_idx = s->vbm_tree[get_vlc2(gb, frame_type_vlc.table, 6, 3)];\n if (bd_idx < 0)\n return -1;\n frame_desc = &frame_descs[bd_idx];\n if (frame_desc->acb_type == ACB_TYPE_ASYMMETRIC) {\n if (get_bits_left(gb) < s->pitch_nbits)\n return 1;\n skip_bits_long(gb, s->pitch_nbits);\n }\n if (frame_desc->fcb_type == FCB_TYPE_SILENCE) {\n skip_bits(gb, 8);\n } else if (frame_desc->fcb_type == FCB_TYPE_AW_PULSES) {\n int tmp = get_bits(gb, 6);\n if (tmp >= 0x36) {\n skip_bits(gb, 2);\n aw_idx_is_ext = 1;\n }\n }\n if (frame_desc->acb_type == ACB_TYPE_HAMMING) {\n need_bits = s->block_pitch_nbits +\n (frame_desc->n_blocks - 1) * s->block_delta_pitch_nbits;\n } else if (frame_desc->fcb_type == FCB_TYPE_AW_PULSES) {\n need_bits = 2 * !aw_idx_is_ext;\n } else\n need_bits = 0;\n need_bits += frame_desc->frame_size;\n if (get_bits_left(gb) < need_bits)\n return 1;\n skip_bits_long(gb, need_bits);\n }\n return 0;\n}', 'static inline void init_get_bits(GetBitContext *s, const uint8_t *buffer,\n int bit_size)\n{\n int buffer_size = (bit_size+7)>>3;\n if (buffer_size < 0 || bit_size < 0) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n }\n s->buffer = buffer;\n s->size_in_bits = bit_size;\n#if !UNCHECKED_BITSTREAM_READER\n s->size_in_bits_plus8 = bit_size + 8;\n#endif\n s->buffer_end = buffer + buffer_size;\n s->index = 0;\n}', 'static inline int get_bits_count(const GetBitContext *s)\n{\n return s->index;\n}', 'static inline void skip_bits_long(GetBitContext *s, int n){\n#if UNCHECKED_BITSTREAM_READER\n s->index += n;\n#else\n s->index += av_clip(n, -s->index, s->size_in_bits_plus8 - s->index);\n#endif\n}', 'static inline int get_bits_left(GetBitContext *gb)\n{\n return gb->size_in_bits - get_bits_count(gb);\n}', 'static inline unsigned int get_bits1(GetBitContext *s)\n{\n unsigned int index = s->index;\n uint8_t result = s->buffer[index>>3];\n#ifdef ALT_BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n#if !UNCHECKED_BITSTREAM_READER\n if (s->index < s->size_in_bits_plus8)\n#endif\n index++;\n s->index = index;\n return result;\n}']
5,744
0
https://github.com/openssl/openssl/blob/e7d961e994620dd5dee6d80794a07fb9de1bab66/ssl/packet.c/#L48
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { if (!ossl_assert(pkt->subs != NULL && len != 0)) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
['static EXT_RETURN tls_construct_certificate_authorities(SSL *s, WPACKET *pkt,\n unsigned int context,\n X509 *x,\n size_t chainidx)\n{\n const STACK_OF(X509_NAME) *ca_sk = SSL_get0_CA_list(s);\n if (ca_sk == NULL || sk_X509_NAME_num(ca_sk) == 0)\n return EXT_RETURN_NOT_SENT;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_certificate_authorities)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_CERTIFICATE_AUTHORITIES,\n ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n if (!construct_ca_names(s, pkt)) {\n return EXT_RETURN_FAIL;\n }\n if (!WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_CERTIFICATE_AUTHORITIES,\n ERR_R_INTERNAL_ERROR);\n return EXT_RETURN_FAIL;\n }\n return EXT_RETURN_SENT;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n if (!ossl_assert(pkt->subs != NULL))\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int construct_ca_names(SSL *s, WPACKET *pkt)\n{\n const STACK_OF(X509_NAME) *ca_sk = SSL_get0_CA_list(s);\n if (!WPACKET_start_sub_packet_u16(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_CONSTRUCT_CA_NAMES,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (ca_sk != NULL) {\n int i;\n for (i = 0; i < sk_X509_NAME_num(ca_sk); i++) {\n unsigned char *namebytes;\n X509_NAME *name = sk_X509_NAME_value(ca_sk, i);\n int namelen;\n if (name == NULL\n || (namelen = i2d_X509_NAME(name, NULL)) < 0\n || !WPACKET_sub_allocate_bytes_u16(pkt, namelen,\n &namebytes)\n || i2d_X509_NAME(name, &namebytes) != namelen) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_CONSTRUCT_CA_NAMES,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n }\n if (!WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_CONSTRUCT_CA_NAMES,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!ossl_assert(pkt->subs != NULL && len != 0))\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}']
5,745
0
https://github.com/openssl/openssl/blob/01b7851aa27aa144372f5484da916be042d9aa4f/crypto/ts/ts_rsp_verify.c/#L418
static int int_ts_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token, TS_TST_INFO *tst_info) { X509 *signer = NULL; GENERAL_NAME *tsa_name = tst_info->tsa; X509_ALGOR *md_alg = NULL; unsigned char *imprint = NULL; unsigned imprint_len = 0; int ret = 0; if ((ctx->flags & TS_VFY_SIGNATURE) && !TS_RESP_verify_signature(token, ctx->certs, ctx->store, &signer)) goto err; if ((ctx->flags & TS_VFY_VERSION) && TS_TST_INFO_get_version(tst_info) != 1) { TSerr(TS_F_INT_TS_RESP_VERIFY_TOKEN, TS_R_UNSUPPORTED_VERSION); goto err; } if ((ctx->flags & TS_VFY_POLICY) && !ts_check_policy(ctx->policy, tst_info)) goto err; if ((ctx->flags & TS_VFY_IMPRINT) && !ts_check_imprints(ctx->md_alg, ctx->imprint, ctx->imprint_len, tst_info)) goto err; if ((ctx->flags & TS_VFY_DATA) && (!ts_compute_imprint(ctx->data, tst_info, &md_alg, &imprint, &imprint_len) || !ts_check_imprints(md_alg, imprint, imprint_len, tst_info))) goto err; if ((ctx->flags & TS_VFY_NONCE) && !ts_check_nonces(ctx->nonce, tst_info)) goto err; if ((ctx->flags & TS_VFY_SIGNER) && tsa_name && !ts_check_signer_name(tsa_name, signer)) { TSerr(TS_F_INT_TS_RESP_VERIFY_TOKEN, TS_R_TSA_NAME_MISMATCH); goto err; } if ((ctx->flags & TS_VFY_TSA_NAME) && !ts_check_signer_name(ctx->tsa_name, signer)) { TSerr(TS_F_INT_TS_RESP_VERIFY_TOKEN, TS_R_TSA_UNTRUSTED); goto err; } ret = 1; err: X509_free(signer); X509_ALGOR_free(md_alg); OPENSSL_free(imprint); return ret; }
['static int int_ts_RESP_verify_token(TS_VERIFY_CTX *ctx,\n PKCS7 *token, TS_TST_INFO *tst_info)\n{\n X509 *signer = NULL;\n GENERAL_NAME *tsa_name = tst_info->tsa;\n X509_ALGOR *md_alg = NULL;\n unsigned char *imprint = NULL;\n unsigned imprint_len = 0;\n int ret = 0;\n if ((ctx->flags & TS_VFY_SIGNATURE)\n && !TS_RESP_verify_signature(token, ctx->certs, ctx->store, &signer))\n goto err;\n if ((ctx->flags & TS_VFY_VERSION)\n && TS_TST_INFO_get_version(tst_info) != 1) {\n TSerr(TS_F_INT_TS_RESP_VERIFY_TOKEN, TS_R_UNSUPPORTED_VERSION);\n goto err;\n }\n if ((ctx->flags & TS_VFY_POLICY)\n && !ts_check_policy(ctx->policy, tst_info))\n goto err;\n if ((ctx->flags & TS_VFY_IMPRINT)\n && !ts_check_imprints(ctx->md_alg, ctx->imprint, ctx->imprint_len,\n tst_info))\n goto err;\n if ((ctx->flags & TS_VFY_DATA)\n && (!ts_compute_imprint(ctx->data, tst_info,\n &md_alg, &imprint, &imprint_len)\n || !ts_check_imprints(md_alg, imprint, imprint_len, tst_info)))\n goto err;\n if ((ctx->flags & TS_VFY_NONCE)\n && !ts_check_nonces(ctx->nonce, tst_info))\n goto err;\n if ((ctx->flags & TS_VFY_SIGNER)\n && tsa_name && !ts_check_signer_name(tsa_name, signer)) {\n TSerr(TS_F_INT_TS_RESP_VERIFY_TOKEN, TS_R_TSA_NAME_MISMATCH);\n goto err;\n }\n if ((ctx->flags & TS_VFY_TSA_NAME)\n && !ts_check_signer_name(ctx->tsa_name, signer)) {\n TSerr(TS_F_INT_TS_RESP_VERIFY_TOKEN, TS_R_TSA_UNTRUSTED);\n goto err;\n }\n ret = 1;\n err:\n X509_free(signer);\n X509_ALGOR_free(md_alg);\n OPENSSL_free(imprint);\n return ret;\n}', 'static int ts_check_policy(ASN1_OBJECT *req_oid, TS_TST_INFO *tst_info)\n{\n ASN1_OBJECT *resp_oid = tst_info->policy_id;\n if (OBJ_cmp(req_oid, resp_oid) != 0) {\n TSerr(TS_F_TS_CHECK_POLICY, TS_R_POLICY_MISMATCH);\n return 0;\n }\n return 1;\n}', 'int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)\n{\n int ret;\n ret = (a->length - b->length);\n if (ret)\n return (ret);\n return (memcmp(a->data, b->data, a->length));\n}']
5,746
0
https://github.com/openssl/openssl/blob/fa9bb6201e1d16ba8ccab938833d140ef81a7f73/ssl/s3_enc.c/#L518
int ssl3_final_finish_mac(SSL *s, const char *sender, int len, unsigned char *p) { int ret; EVP_MD_CTX *ctx = NULL; if (!ssl3_digest_cached_records(s, 0)) return 0; if (EVP_MD_CTX_type(s->s3->handshake_dgst) != NID_md5_sha1) { SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, SSL_R_NO_REQUIRED_DIGEST); return 0; } ctx = EVP_MD_CTX_new(); if (ctx == NULL) { SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_MALLOC_FAILURE); return 0; } EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst); ret = EVP_MD_CTX_size(ctx); if (ret < 0) { EVP_MD_CTX_reset(ctx); return 0; } if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0) || EVP_MD_CTX_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET, s->session->master_key_length, s->session->master_key) <= 0 || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) { SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_INTERNAL_ERROR); ret = 0; } EVP_MD_CTX_free(ctx); return ret; }
['int ssl3_final_finish_mac(SSL *s, const char *sender, int len, unsigned char *p)\n{\n int ret;\n EVP_MD_CTX *ctx = NULL;\n if (!ssl3_digest_cached_records(s, 0))\n return 0;\n if (EVP_MD_CTX_type(s->s3->handshake_dgst) != NID_md5_sha1) {\n SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, SSL_R_NO_REQUIRED_DIGEST);\n return 0;\n }\n ctx = EVP_MD_CTX_new();\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst);\n ret = EVP_MD_CTX_size(ctx);\n if (ret < 0) {\n EVP_MD_CTX_reset(ctx);\n return 0;\n }\n if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0)\n || EVP_MD_CTX_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,\n s->session->master_key_length,\n s->session->master_key) <= 0\n || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {\n SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_INTERNAL_ERROR);\n ret = 0;\n }\n EVP_MD_CTX_free(ctx);\n return ret;\n}', 'int ssl3_digest_cached_records(SSL *s, int keep)\n{\n const EVP_MD *md;\n long hdatalen;\n void *hdata;\n if (s->s3->handshake_dgst == NULL) {\n hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);\n if (hdatalen <= 0) {\n SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);\n return 0;\n }\n s->s3->handshake_dgst = EVP_MD_CTX_new();\n if (s->s3->handshake_dgst == NULL) {\n SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n md = ssl_handshake_md(s);\n if (md == NULL) {\n SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n EVP_DigestInit_ex(s->s3->handshake_dgst, md, NULL);\n EVP_DigestUpdate(s->s3->handshake_dgst, hdata, hdatalen);\n }\n if (keep == 0) {\n BIO_free(s->s3->handshake_buffer);\n s->s3->handshake_buffer = NULL;\n }\n return 1;\n}', 'int BIO_free(BIO *a)\n{\n int i;\n if (a == NULL)\n return (0);\n i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_BIO);\n REF_PRINT_COUNT("BIO", a);\n if (i > 0)\n return (1);\n REF_ASSERT_ISNT(i < 0);\n if ((a->callback != NULL) &&\n ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0))\n return (i);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);\n if ((a->method != NULL) && (a->method->destroy != NULL))\n a->method->destroy(a);\n OPENSSL_free(a);\n return (1);\n}', 'const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx)\n{\n if (!ctx)\n return NULL;\n return ctx->digest;\n}', 'int EVP_MD_type(const EVP_MD *md)\n{\n return md->type;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)\n{\n unsigned char *tmp_buf;\n if ((in == NULL) || (in->digest == NULL)) {\n EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, EVP_R_INPUT_NOT_INITIALIZED);\n return 0;\n }\n#ifndef OPENSSL_NO_ENGINE\n if (in->engine && !ENGINE_init(in->engine)) {\n EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);\n return 0;\n }\n#endif\n if (out->digest == in->digest) {\n tmp_buf = out->md_data;\n EVP_MD_CTX_set_flags(out, EVP_MD_CTX_FLAG_REUSE);\n } else\n tmp_buf = NULL;\n EVP_MD_CTX_reset(out);\n memcpy(out, in, sizeof(*out));\n out->md_data = NULL;\n out->pctx = NULL;\n if (in->md_data && out->digest->ctx_size) {\n if (tmp_buf)\n out->md_data = tmp_buf;\n else {\n out->md_data = OPENSSL_malloc(out->digest->ctx_size);\n if (out->md_data == NULL) {\n EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n }\n memcpy(out->md_data, in->md_data, out->digest->ctx_size);\n }\n out->update = in->update;\n if (in->pctx) {\n out->pctx = EVP_PKEY_CTX_dup(in->pctx);\n if (!out->pctx) {\n EVP_MD_CTX_reset(out);\n return 0;\n }\n }\n if (out->digest->copy)\n return out->digest->copy(out, in);\n return 1;\n}', 'int ENGINE_init(ENGINE *e)\n{\n int ret;\n if (e == NULL) {\n ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_PASSED_NULL_PARAMETER);\n return 0;\n }\n CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);\n ret = engine_unlocked_init(e);\n CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);\n return ret;\n}', 'void CRYPTO_lock(int mode, int type, const char *file, int line)\n{\n#ifdef LOCK_DEBUG\n {\n CRYPTO_THREADID id;\n char *rw_text, *operation_text;\n if (mode & CRYPTO_LOCK)\n operation_text = "lock ";\n else if (mode & CRYPTO_UNLOCK)\n operation_text = "unlock";\n else\n operation_text = "ERROR ";\n if (mode & CRYPTO_READ)\n rw_text = "r";\n else if (mode & CRYPTO_WRITE)\n rw_text = "w";\n else\n rw_text = "ERROR";\n CRYPTO_THREADID_current(&id);\n fprintf(stderr, "lock:%08lx:(%s)%s %-18s %s:%d\\n",\n CRYPTO_THREADID_hash(&id), rw_text, operation_text,\n CRYPTO_get_lock_name(type), file, line);\n }\n#endif\n if (type < 0) {\n if (dynlock_lock_callback != NULL) {\n struct CRYPTO_dynlock_value *pointer\n = CRYPTO_get_dynlock_value(type);\n OPENSSL_assert(pointer != NULL);\n dynlock_lock_callback(mode, pointer, file, line);\n CRYPTO_destroy_dynlockid(type);\n }\n } else if (locking_callback != NULL)\n locking_callback(mode, type, file, line);\n}', 'int engine_unlocked_init(ENGINE *e)\n{\n int to_return = 1;\n if ((e->funct_ref == 0) && e->init)\n to_return = e->init(e);\n if (to_return) {\n e->struct_ref++;\n e->funct_ref++;\n engine_ref_debug(e, 0, 1);\n engine_ref_debug(e, 1, 1);\n }\n return to_return;\n}', 'int EVP_MD_size(const EVP_MD *md)\n{\n if (!md) {\n EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);\n return -1;\n }\n return md->md_size;\n}']
5,747
0
https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/bn/bn_lib.c/#L351
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *A, *a = NULL; const BN_ULONG *B; int i; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return (NULL); } if (BN_get_flags(b,BN_FLG_SECURE)) a = A = OPENSSL_secure_malloc(words * sizeof(*a)); else a = A = OPENSSL_malloc(words * sizeof(*a)); if (A == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return (NULL); } #ifdef PURIFY memset(a, 0, sizeof(*a) * words); #endif #if 1 B = b->d; if (B != NULL) { for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) { BN_ULONG a0, a1, a2, a3; a0 = B[0]; a1 = B[1]; a2 = B[2]; a3 = B[3]; A[0] = a0; A[1] = a1; A[2] = a2; A[3] = a3; } switch (b->top & 3) { case 3: A[2] = B[2]; case 2: A[1] = B[1]; case 1: A[0] = B[0]; case 0: ; } } #else memset(A, 0, sizeof(*A) * words); memcpy(A, b->d, sizeof(b->d[0]) * b->top); #endif return (a); }
['DSA *get_dsa512()\n{\n DSA *dsa;\n if ((dsa = DSA_new()) == NULL)\n return (NULL);\n dsa->priv_key = BN_bin2bn(dsa512_priv, sizeof(dsa512_priv), NULL);\n dsa->pub_key = BN_bin2bn(dsa512_pub, sizeof(dsa512_pub), NULL);\n dsa->p = BN_bin2bn(dsa512_p, sizeof(dsa512_p), NULL);\n dsa->q = BN_bin2bn(dsa512_q, sizeof(dsa512_q), NULL);\n dsa->g = BN_bin2bn(dsa512_g, sizeof(dsa512_g), NULL);\n if ((dsa->priv_key == NULL) || (dsa->pub_key == NULL) || (dsa->p == NULL)\n || (dsa->q == NULL) || (dsa->g == NULL))\n return (NULL);\n return (dsa);\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return (NULL);\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return (ret);\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return (ret);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_malloc(words * sizeof(*a));\n else\n a = A = OPENSSL_malloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#ifdef PURIFY\n memset(a, 0, sizeof(*a) * words);\n#endif\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}']
5,748
0
https://github.com/openssl/openssl/blob/16bce0e08b16b28a1953795bde3f913957b08ef2/ssl/packet.c/#L49
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->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; } *allocbytes = GETBUF(pkt) + pkt->curr; return 1; }
['static int tls_construct_cke_srp(SSL *s, WPACKET *pkt, int *al)\n{\n#ifndef OPENSSL_NO_SRP\n unsigned char *abytes = NULL;\n if (s->srp_ctx.A == NULL\n || !WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(s->srp_ctx.A),\n &abytes)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CKE_SRP, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n BN_bn2bin(s->srp_ctx.A, abytes);\n OPENSSL_free(s->session->srp_username);\n s->session->srp_username = OPENSSL_strdup(s->srp_ctx.login);\n if (s->session->srp_username == NULL) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CKE_SRP, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n return 1;\n#else\n SSLerr(SSL_F_TLS_CONSTRUCT_CKE_SRP, ERR_R_INTERNAL_ERROR);\n *al = SSL_AD_INTERNAL_ERROR;\n return 0;\n#endif\n}', 'int WPACKET_sub_allocate_bytes__(WPACKET *pkt, size_t len,\n unsigned char **allocbytes, size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_allocate_bytes(pkt, len, allocbytes)\n || !WPACKET_close(pkt))\n return 0;\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n assert(pkt->subs != NULL);\n if (pkt->subs == NULL)\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n assert(pkt->subs != NULL && len != 0);\n if (pkt->subs == NULL || len == 0)\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n *allocbytes = GETBUF(pkt) + pkt->curr;\n return 1;\n}']
5,749
0
https://github.com/openssl/openssl/blob/c15e95a61dacfc326cf9cdf05935ae8c6c97bcf6/crypto/engine/eng_lib.c/#L172
void engine_cleanup_add_first(ENGINE_CLEANUP_CB *cb) { ENGINE_CLEANUP_ITEM *item; if (!int_cleanup_check(1)) return; item = int_cleanup_item(cb); if (item) sk_ENGINE_CLEANUP_ITEM_insert(cleanup_stack, item, 0); }
['void engine_cleanup_add_first(ENGINE_CLEANUP_CB *cb)\n{\n ENGINE_CLEANUP_ITEM *item;\n if (!int_cleanup_check(1))\n return;\n item = int_cleanup_item(cb);\n if (item)\n sk_ENGINE_CLEANUP_ITEM_insert(cleanup_stack, item, 0);\n}', 'static int int_cleanup_check(int create)\n{\n if (cleanup_stack)\n return 1;\n if (!create)\n return 0;\n cleanup_stack = sk_ENGINE_CLEANUP_ITEM_new_null();\n return (cleanup_stack ? 1 : 0);\n}', 'static ENGINE_CLEANUP_ITEM *int_cleanup_item(ENGINE_CLEANUP_CB *cb)\n{\n ENGINE_CLEANUP_ITEM *item = OPENSSL_malloc(sizeof(*item));\n if (item == NULL)\n return NULL;\n item->cb = cb;\n return item;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'DEFINE_STACK_OF(ENGINE_CLEANUP_ITEM)', 'int sk_insert(_STACK *st, void *data, int loc)\n{\n char **s;\n if (st == NULL)\n return 0;\n if (st->num_alloc <= st->num + 1) {\n s = OPENSSL_realloc((char *)st->data,\n (unsigned int)sizeof(char *) * st->num_alloc * 2);\n if (s == NULL)\n return (0);\n st->data = s;\n st->num_alloc *= 2;\n }\n if ((loc >= (int)st->num) || (loc < 0))\n st->data[st->num] = data;\n else {\n memmove(&(st->data[loc + 1]),\n &(st->data[loc]), sizeof(char *) * (st->num - loc));\n st->data[loc] = data;\n }\n st->num++;\n st->sorted = 0;\n return (st->num);\n}', 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return CRYPTO_malloc(num, file, line);\n if (num == 0) {\n CRYPTO_free(str);\n return NULL;\n }\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n void *ret;\n CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n ret = realloc(str, num);\n CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n return ret;\n }\n#else\n (void)file;\n (void)line;\n#endif\n return realloc(str, num);\n}']
5,750
0
https://github.com/openssl/openssl/blob/28e0be13f69da0f3763be9b2bb3217d7e8859760/apps/x509.c/#L1065
static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest, LHASH *conf, char *section) { EVP_PKEY *pktmp; pktmp = X509_get_pubkey(x); EVP_PKEY_copy_parameters(pktmp,pkey); EVP_PKEY_save_parameters(pktmp,1); EVP_PKEY_free(pktmp); if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err; if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err; if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL) goto err; if (!X509_set_pubkey(x,pkey)) goto err; if(conf) { X509V3_CTX ctx; X509_set_version(x,2); X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0); X509V3_set_conf_lhash(&ctx, conf); if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err; } if (!X509_sign(x,pkey,digest)) goto err; return(1); err: ERR_print_errors(bio_err); return(0); }
['static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,\n\t\t\t\t\t\tLHASH *conf, char *section)\n\t{\n\tEVP_PKEY *pktmp;\n\tpktmp = X509_get_pubkey(x);\n\tEVP_PKEY_copy_parameters(pktmp,pkey);\n\tEVP_PKEY_save_parameters(pktmp,1);\n\tEVP_PKEY_free(pktmp);\n\tif (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;\n\tif (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;\n\tif (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)\n\t\tgoto err;\n\tif (!X509_set_pubkey(x,pkey)) goto err;\n\tif(conf) {\n\t\tX509V3_CTX ctx;\n\t\tX509_set_version(x,2);\n X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);\n X509V3_set_conf_lhash(&ctx, conf);\n if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;\n\t}\n\tif (!X509_sign(x,pkey,digest)) goto err;\n\treturn(1);\nerr:\n\tERR_print_errors(bio_err);\n\treturn(0);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}']
5,751
0
https://gitlab.com/libtiff/libtiff/blob/709e93ded0000128625a23838756a408ea30745d/libtiff/tif_strip.c/#L67
uint32 TIFFNumberOfStrips(TIFF* tif) { TIFFDirectory *td = &tif->tif_dir; uint32 nstrips; nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 : TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip)); if (td->td_planarconfig == PLANARCONFIG_SEPARATE) nstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel, "TIFFNumberOfStrips"); return (nstrips); }
['void t2p_read_tiff_data(T2P* t2p, TIFF* input){\n\tint i=0;\n\tuint16* r;\n\tuint16* g;\n\tuint16* b;\n\tuint16* a;\n\tuint16 xuint16;\n\tuint16* xuint16p;\n\tfloat* xfloatp;\n\tt2p->pdf_transcode = T2P_TRANSCODE_ENCODE;\n\tt2p->pdf_sample = T2P_SAMPLE_NOTHING;\n t2p->pdf_switchdecode = t2p->pdf_colorspace_invert;\n\tTIFFSetDirectory(input, t2p->tiff_pages[t2p->pdf_page].page_directory);\n\tTIFFGetField(input, TIFFTAG_IMAGEWIDTH, &(t2p->tiff_width));\n\tif(t2p->tiff_width == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with zero width",\n\t\t\tTIFFFileName(input)\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tTIFFGetField(input, TIFFTAG_IMAGELENGTH, &(t2p->tiff_length));\n\tif(t2p->tiff_length == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with zero length",\n\t\t\tTIFFFileName(input)\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n if(TIFFGetField(input, TIFFTAG_COMPRESSION, &(t2p->tiff_compression)) == 0){\n TIFFError(\n TIFF2PDF_MODULE,\n "No support for %s with no compression tag",\n TIFFFileName(input) );\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n if( TIFFIsCODECConfigured(t2p->tiff_compression) == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with compression type %u: not configured",\n\t\t\tTIFFFileName(input),\n\t\t\tt2p->tiff_compression\n\t\t\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_BITSPERSAMPLE, &(t2p->tiff_bitspersample));\n\tswitch(t2p->tiff_bitspersample){\n\t\tcase 1:\n\t\tcase 2:\n\t\tcase 4:\n\t\tcase 8:\n\t\t\tbreak;\n\t\tcase 0:\n\t\t\tTIFFWarning(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"Image %s has 0 bits per sample, assuming 1",\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->tiff_bitspersample=1;\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with %u bits per sample",\n\t\t\t\tTIFFFileName(input),\n\t\t\t\tt2p->tiff_bitspersample);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_SAMPLESPERPIXEL, &(t2p->tiff_samplesperpixel));\n\tif(t2p->tiff_samplesperpixel>4){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with %u samples per pixel",\n\t\t\tTIFFFileName(input),\n\t\t\tt2p->tiff_samplesperpixel);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tif(t2p->tiff_samplesperpixel==0){\n\t\tTIFFWarning(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Image %s has 0 samples per pixel, assuming 1",\n\t\t\tTIFFFileName(input));\n\t\tt2p->tiff_samplesperpixel=1;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_SAMPLEFORMAT, &xuint16) != 0 ){\n\t\tswitch(xuint16){\n\t\t\tcase 0:\n\t\t\tcase 1:\n\t\t\tcase 4:\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s with sample format %u",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\txuint16);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t\tbreak;\n\t\t}\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_FILLORDER, &(t2p->tiff_fillorder));\n if(TIFFGetField(input, TIFFTAG_PHOTOMETRIC, &(t2p->tiff_photometric)) == 0){\n TIFFError(\n TIFF2PDF_MODULE,\n "No support for %s with no photometric interpretation tag",\n TIFFFileName(input) );\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\tswitch(t2p->tiff_photometric){\n\t\tcase PHOTOMETRIC_MINISWHITE:\n\t\tcase PHOTOMETRIC_MINISBLACK:\n\t\t\tif (t2p->tiff_bitspersample==1){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_BILEVEL;\n\t\t\t\tif(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_GRAY;\n\t\t\t\tif(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_RGB:\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB;\n\t\t\tif(t2p->tiff_samplesperpixel == 3){\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){\n\t\t\t\tif(xuint16==1)\n\t\t\t\t\tgoto photometric_palette;\n\t\t\t}\n\t\t\tif(t2p->tiff_samplesperpixel > 3) {\n\t\t\t\tif(t2p->tiff_samplesperpixel == 4) {\n\t\t\t\t\tt2p->pdf_colorspace = T2P_CS_RGB;\n\t\t\t\t\tif(TIFFGetField(input,\n\t\t\t\t\t\t\tTIFFTAG_EXTRASAMPLES,\n\t\t\t\t\t\t\t&xuint16, &xuint16p)\n\t\t\t\t\t && xuint16 == 1) {\n\t\t\t\t\t\tif(xuint16p[0] == EXTRASAMPLE_ASSOCALPHA){\n\t\t\t\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_RGBAA_TO_RGB;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif(xuint16p[0] == EXTRASAMPLE_UNASSALPHA){\n\t\t\t\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_RGBA_TO_RGB;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tTIFFWarning(\n\t\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t\t"RGB image %s has 4 samples per pixel, assuming RGBA",\n\t\t\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK;\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t\tTIFFWarning(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"RGB image %s has 4 samples per pixel, assuming inverse CMYK",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\tbreak;\n\t\t\t\t} else {\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for RGB image %s with %u samples per pixel",\n\t\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for RGB image %s with %u samples per pixel",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tcase PHOTOMETRIC_PALETTE:\n\t\t\tphotometric_palette:\n\t\t\tif(t2p->tiff_samplesperpixel!=1){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for palettized image %s with not one sample per pixel",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB | T2P_CS_PALETTE;\n\t\t\tt2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;\n\t\t\tif(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b)){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Palettized image %s has no color map",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif(t2p->pdf_palette != NULL){\n\t\t\t\t_TIFFfree(t2p->pdf_palette);\n\t\t\t\tt2p->pdf_palette=NULL;\n\t\t\t}\n\t\t\tt2p->pdf_palette = (unsigned char*)\n\t\t\t\t_TIFFmalloc(t2p->pdf_palettesize*3);\n\t\t\tif(t2p->pdf_palette==NULL){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %u bytes of memory for t2p_read_tiff_image, %s",\n\t\t\t\t\tt2p->pdf_palettesize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tfor(i=0;i<t2p->pdf_palettesize;i++){\n\t\t\t\tt2p->pdf_palette[(i*3)] = (unsigned char) (r[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*3)+1]= (unsigned char) (g[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*3)+2]= (unsigned char) (b[i]>>8);\n\t\t\t}\n\t\t\tt2p->pdf_palettesize *= 3;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_SEPARATED:\n\t\t\tif(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){\n\t\t\t\tif(xuint16==1){\n\t\t\t\t\t\tgoto photometric_palette_cmyk;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif( TIFFGetField(input, TIFFTAG_INKSET, &xuint16) ){\n\t\t\t\tif(xuint16 != INKSET_CMYK){\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for %s because its inkset is not CMYK",\n\t\t\t\t\t\tTIFFFileName(input) );\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(t2p->tiff_samplesperpixel==4){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK;\n\t\t\t} else {\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s because it has %u samples per pixel",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tbreak;\n\t\t\tphotometric_palette_cmyk:\n\t\t\tif(t2p->tiff_samplesperpixel!=1){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for palettized CMYK image %s with not one sample per pixel",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK | T2P_CS_PALETTE;\n\t\t\tt2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;\n\t\t\tif(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b, &a)){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Palettized image %s has no color map",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif(t2p->pdf_palette != NULL){\n\t\t\t\t_TIFFfree(t2p->pdf_palette);\n\t\t\t\tt2p->pdf_palette=NULL;\n\t\t\t}\n\t\t\tt2p->pdf_palette = (unsigned char*)\n\t\t\t\t_TIFFmalloc(t2p->pdf_palettesize*4);\n\t\t\tif(t2p->pdf_palette==NULL){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %u bytes of memory for t2p_read_tiff_image, %s",\n\t\t\t\t\tt2p->pdf_palettesize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tfor(i=0;i<t2p->pdf_palettesize;i++){\n\t\t\t\tt2p->pdf_palette[(i*4)] = (unsigned char) (r[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+1]= (unsigned char) (g[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+2]= (unsigned char) (b[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+3]= (unsigned char) (a[i]>>8);\n\t\t\t}\n\t\t\tt2p->pdf_palettesize *= 4;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_YCBCR:\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB;\n\t\t\tif(t2p->tiff_samplesperpixel==1){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_GRAY;\n\t\t\t\tt2p->tiff_photometric=PHOTOMETRIC_MINISBLACK;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_YCBCR_TO_RGB;\n#ifdef JPEG_SUPPORT\n\t\t\tif(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){\n\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_NOTHING;\n\t\t\t}\n#endif\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_CIELAB:\n\t\t\tt2p->pdf_labrange[0]= -127;\n\t\t\tt2p->pdf_labrange[1]= 127;\n\t\t\tt2p->pdf_labrange[2]= -127;\n\t\t\tt2p->pdf_labrange[3]= 127;\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_ICCLAB:\n\t\t\tt2p->pdf_labrange[0]= 0;\n\t\t\tt2p->pdf_labrange[1]= 255;\n\t\t\tt2p->pdf_labrange[2]= 0;\n\t\t\tt2p->pdf_labrange[3]= 255;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_ITULAB:\n\t\t\tt2p->pdf_labrange[0]=-85;\n\t\t\tt2p->pdf_labrange[1]=85;\n\t\t\tt2p->pdf_labrange[2]=-75;\n\t\t\tt2p->pdf_labrange[3]=124;\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_LOGL:\n\t\tcase PHOTOMETRIC_LOGLUV:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with photometric interpretation LogL/LogLuv",\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t\tdefault:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with photometric interpretation %u",\n\t\t\t\tTIFFFileName(input),\n\t\t\t\tt2p->tiff_photometric);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_PLANARCONFIG, &(t2p->tiff_planar))){\n\t\tswitch(t2p->tiff_planar){\n\t\t\tcase 0:\n\t\t\t\tTIFFWarning(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Image %s has planar configuration 0, assuming 1",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->tiff_planar=PLANARCONFIG_CONTIG;\n\t\t\tcase PLANARCONFIG_CONTIG:\n\t\t\t\tbreak;\n\t\t\tcase PLANARCONFIG_SEPARATE:\n\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_PLANAR_SEPARATE_TO_CONTIG;\n\t\t\t\tif(t2p->tiff_bitspersample!=8){\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for %s with separated planar configuration and %u bits per sample",\n\t\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\t\tt2p->tiff_bitspersample);\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s with planar configuration %u",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_planar);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t}\n\t}\n TIFFGetFieldDefaulted(input, TIFFTAG_ORIENTATION,\n &(t2p->tiff_orientation));\n if(t2p->tiff_orientation>8){\n TIFFWarning(TIFF2PDF_MODULE,\n "Image %s has orientation %u, assuming 0",\n TIFFFileName(input), t2p->tiff_orientation);\n t2p->tiff_orientation=0;\n }\n if(TIFFGetField(input, TIFFTAG_XRESOLUTION, &(t2p->tiff_xres) ) == 0){\n t2p->tiff_xres=0.0;\n }\n if(TIFFGetField(input, TIFFTAG_YRESOLUTION, &(t2p->tiff_yres) ) == 0){\n t2p->tiff_yres=0.0;\n }\n\tTIFFGetFieldDefaulted(input, TIFFTAG_RESOLUTIONUNIT,\n\t\t\t &(t2p->tiff_resunit));\n\tif(t2p->tiff_resunit == RESUNIT_CENTIMETER) {\n\t\tt2p->tiff_xres *= 2.54F;\n\t\tt2p->tiff_yres *= 2.54F;\n\t} else if (t2p->tiff_resunit != RESUNIT_INCH\n\t\t && t2p->pdf_centimeters != 0) {\n\t\tt2p->tiff_xres *= 2.54F;\n\t\tt2p->tiff_yres *= 2.54F;\n\t}\n\tt2p_compose_pdf_page(t2p);\n\tt2p->pdf_transcode = T2P_TRANSCODE_ENCODE;\n\tif(t2p->pdf_nopassthrough==0){\n#ifdef CCITT_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_CCITTFAX4\n\t\t\t){\n\t\t\tif(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){\n\t\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\t\tt2p->pdf_compression=T2P_COMPRESS_G4;\n\t\t\t}\n\t\t}\n#endif\n#ifdef ZIP_SUPPORT\n\t\tif(t2p->tiff_compression== COMPRESSION_ADOBE_DEFLATE\n\t\t\t|| t2p->tiff_compression==COMPRESSION_DEFLATE){\n\t\t\tif(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){\n\t\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\t\tt2p->pdf_compression=T2P_COMPRESS_ZIP;\n\t\t\t}\n\t\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_OJPEG){\n\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\tt2p->pdf_compression=T2P_COMPRESS_JPEG;\n\t\t\tt2p_process_ojpeg_tables(t2p, input);\n\t\t}\n#endif\n#ifdef JPEG_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_JPEG){\n\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\tt2p->pdf_compression=T2P_COMPRESS_JPEG;\n\t\t}\n#endif\n\t\t(void)0;\n\t}\n\tif(t2p->pdf_transcode!=T2P_TRANSCODE_RAW){\n\t\tt2p->pdf_compression = t2p->pdf_defaultcompression;\n\t}\n#ifdef JPEG_SUPPORT\n\tif(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){\n\t\tif(t2p->pdf_colorspace & T2P_CS_PALETTE){\n\t\t\tt2p->pdf_sample|=T2P_SAMPLE_REALIZE_PALETTE;\n\t\t\tt2p->pdf_colorspace ^= T2P_CS_PALETTE;\n\t\t\tt2p->tiff_pages[t2p->pdf_page].page_extra--;\n\t\t}\n\t}\n\tif(t2p->tiff_compression==COMPRESSION_JPEG){\n\t\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with JPEG compression and separated planar configuration",\n\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\tif(t2p->tiff_compression==COMPRESSION_OJPEG){\n\t\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with OJPEG compression and separated planar configuration",\n\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n\tif(t2p->pdf_sample & T2P_SAMPLE_REALIZE_PALETTE){\n\t\tif(t2p->pdf_colorspace & T2P_CS_CMYK){\n\t\t\tt2p->tiff_samplesperpixel=4;\n\t\t\tt2p->tiff_photometric=PHOTOMETRIC_SEPARATED;\n\t\t} else {\n\t\t\tt2p->tiff_samplesperpixel=3;\n\t\t\tt2p->tiff_photometric=PHOTOMETRIC_RGB;\n\t\t}\n\t}\n\tif (TIFFGetField(input, TIFFTAG_TRANSFERFUNCTION,\n\t\t\t &(t2p->tiff_transferfunction[0]),\n\t\t\t &(t2p->tiff_transferfunction[1]),\n\t\t\t &(t2p->tiff_transferfunction[2]))) {\n\t\tif(t2p->tiff_transferfunction[1] !=\n\t\t t2p->tiff_transferfunction[0]) {\n\t\t\tt2p->tiff_transferfunctioncount=3;\n\t\t} else {\n\t\t\tt2p->tiff_transferfunctioncount=1;\n\t\t}\n\t} else {\n\t\tt2p->tiff_transferfunctioncount=0;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp)!=0){\n\t\tt2p->tiff_whitechromaticities[0]=xfloatp[0];\n\t\tt2p->tiff_whitechromaticities[1]=xfloatp[1];\n\t\tif(t2p->pdf_colorspace & T2P_CS_GRAY){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALGRAY;\n\t\t}\n\t\tif(t2p->pdf_colorspace & T2P_CS_RGB){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALRGB;\n\t\t}\n\t}\n\tif(TIFFGetField(input, TIFFTAG_PRIMARYCHROMATICITIES, &xfloatp)!=0){\n\t\tt2p->tiff_primarychromaticities[0]=xfloatp[0];\n\t\tt2p->tiff_primarychromaticities[1]=xfloatp[1];\n\t\tt2p->tiff_primarychromaticities[2]=xfloatp[2];\n\t\tt2p->tiff_primarychromaticities[3]=xfloatp[3];\n\t\tt2p->tiff_primarychromaticities[4]=xfloatp[4];\n\t\tt2p->tiff_primarychromaticities[5]=xfloatp[5];\n\t\tif(t2p->pdf_colorspace & T2P_CS_RGB){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALRGB;\n\t\t}\n\t}\n\tif(t2p->pdf_colorspace & T2P_CS_LAB){\n\t\tif(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp) != 0){\n\t\t\tt2p->tiff_whitechromaticities[0]=xfloatp[0];\n\t\t\tt2p->tiff_whitechromaticities[1]=xfloatp[1];\n\t\t} else {\n\t\t\tt2p->tiff_whitechromaticities[0]=0.3457F;\n\t\t\tt2p->tiff_whitechromaticities[1]=0.3585F;\n\t\t}\n\t}\n\tif(TIFFGetField(input,\n\t\tTIFFTAG_ICCPROFILE,\n\t\t&(t2p->tiff_iccprofilelength),\n\t\t&(t2p->tiff_iccprofile))!=0){\n\t\tt2p->pdf_colorspace |= T2P_CS_ICCBASED;\n\t} else {\n\t\tt2p->tiff_iccprofilelength=0;\n\t\tt2p->tiff_iccprofile=NULL;\n\t}\n#ifdef CCITT_SUPPORT\n\tif( t2p->tiff_bitspersample==1 &&\n\t\tt2p->tiff_samplesperpixel==1){\n\t\tt2p->pdf_compression = T2P_COMPRESS_G4;\n\t}\n#endif\n\treturn;\n}', 'int\nTIFFSetDirectory(TIFF* tif, uint16 dirn)\n{\n\tuint64 nextdir;\n\tuint16 n;\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\tnextdir = tif->tif_header.classic.tiff_diroff;\n\telse\n\t\tnextdir = tif->tif_header.big.tiff_diroff;\n\tfor (n = dirn; n > 0 && nextdir != 0; n--)\n\t\tif (!TIFFAdvanceDirectory(tif, &nextdir, NULL))\n\t\t\treturn (0);\n\ttif->tif_nextdiroff = nextdir;\n\ttif->tif_curdir = (dirn - n) - 1;\n\ttif->tif_dirnumber = 0;\n\treturn (TIFFReadDirectory(tif));\n}', 'uint32\nTIFFNumberOfStrips(TIFF* tif)\n{\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint32 nstrips;\n\tnstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :\n\t TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\tnstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel,\n\t\t "TIFFNumberOfStrips");\n\treturn (nstrips);\n}']
5,752
0
https://github.com/libav/libav/blob/d10102d23c9467d4eb84f58e0cd12be284b982f6/libavformat/mpc8.c/#L253
static int mpc8_read_header(AVFormatContext *s) { MPCContext *c = s->priv_data; AVIOContext *pb = s->pb; AVStream *st; int tag = 0; int64_t size, pos; c->header_pos = avio_tell(pb); if(avio_rl32(pb) != TAG_MPCK){ av_log(s, AV_LOG_ERROR, "Not a Musepack8 file\n"); return AVERROR_INVALIDDATA; } while(!pb->eof_reached){ pos = avio_tell(pb); mpc8_get_chunk_header(pb, &tag, &size); if(tag == TAG_STREAMHDR) break; mpc8_handle_chunk(s, tag, pos, size); } if(tag != TAG_STREAMHDR){ av_log(s, AV_LOG_ERROR, "Stream header not found\n"); return AVERROR_INVALIDDATA; } pos = avio_tell(pb); avio_skip(pb, 4); c->ver = avio_r8(pb); if(c->ver != 8){ av_log(s, AV_LOG_ERROR, "Unknown stream version %d\n", c->ver); return AVERROR_PATCHWELCOME; } c->samples = ffio_read_varlen(pb); ffio_read_varlen(pb); st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; st->codecpar->codec_id = AV_CODEC_ID_MUSEPACK8; st->codecpar->bits_per_coded_sample = 16; st->codecpar->extradata_size = 2; st->codecpar->extradata = av_mallocz(st->codecpar->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); avio_read(pb, st->codecpar->extradata, st->codecpar->extradata_size); st->codecpar->channels = (st->codecpar->extradata[1] >> 4) + 1; st->codecpar->sample_rate = mpc8_rate[st->codecpar->extradata[0] >> 5]; avpriv_set_pts_info(st, 32, 1152 << (st->codecpar->extradata[1]&3)*2, st->codecpar->sample_rate); st->start_time = 0; st->duration = c->samples / (1152 << (st->codecpar->extradata[1]&3)*2); size -= avio_tell(pb) - pos; if (pb->seekable & AVIO_SEEKABLE_NORMAL) { int64_t pos = avio_tell(s->pb); c->apetag_start = ff_ape_parse_tag(s); avio_seek(s->pb, pos, SEEK_SET); } return 0; }
['static int mpc8_read_header(AVFormatContext *s)\n{\n MPCContext *c = s->priv_data;\n AVIOContext *pb = s->pb;\n AVStream *st;\n int tag = 0;\n int64_t size, pos;\n c->header_pos = avio_tell(pb);\n if(avio_rl32(pb) != TAG_MPCK){\n av_log(s, AV_LOG_ERROR, "Not a Musepack8 file\\n");\n return AVERROR_INVALIDDATA;\n }\n while(!pb->eof_reached){\n pos = avio_tell(pb);\n mpc8_get_chunk_header(pb, &tag, &size);\n if(tag == TAG_STREAMHDR)\n break;\n mpc8_handle_chunk(s, tag, pos, size);\n }\n if(tag != TAG_STREAMHDR){\n av_log(s, AV_LOG_ERROR, "Stream header not found\\n");\n return AVERROR_INVALIDDATA;\n }\n pos = avio_tell(pb);\n avio_skip(pb, 4);\n c->ver = avio_r8(pb);\n if(c->ver != 8){\n av_log(s, AV_LOG_ERROR, "Unknown stream version %d\\n", c->ver);\n return AVERROR_PATCHWELCOME;\n }\n c->samples = ffio_read_varlen(pb);\n ffio_read_varlen(pb);\n st = avformat_new_stream(s, NULL);\n if (!st)\n return AVERROR(ENOMEM);\n st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;\n st->codecpar->codec_id = AV_CODEC_ID_MUSEPACK8;\n st->codecpar->bits_per_coded_sample = 16;\n st->codecpar->extradata_size = 2;\n st->codecpar->extradata = av_mallocz(st->codecpar->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);\n avio_read(pb, st->codecpar->extradata, st->codecpar->extradata_size);\n st->codecpar->channels = (st->codecpar->extradata[1] >> 4) + 1;\n st->codecpar->sample_rate = mpc8_rate[st->codecpar->extradata[0] >> 5];\n avpriv_set_pts_info(st, 32, 1152 << (st->codecpar->extradata[1]&3)*2, st->codecpar->sample_rate);\n st->start_time = 0;\n st->duration = c->samples / (1152 << (st->codecpar->extradata[1]&3)*2);\n size -= avio_tell(pb) - pos;\n if (pb->seekable & AVIO_SEEKABLE_NORMAL) {\n int64_t pos = avio_tell(s->pb);\n c->apetag_start = ff_ape_parse_tag(s);\n avio_seek(s->pb, pos, SEEK_SET);\n }\n return 0;\n}']
5,753
0
https://github.com/nginx/nginx/blob/b74f8ffce4aa7a7090e19021854304570238edb1/src/core/ngx_open_file_cache.c/#L592
static ngx_fd_t ngx_open_file_wrapper(ngx_str_t *name, ngx_open_file_info_t *of, ngx_int_t mode, ngx_int_t create, ngx_int_t access, ngx_log_t *log) { ngx_fd_t fd; #if !(NGX_HAVE_OPENAT) fd = ngx_open_file(name->data, mode, create, access); if (fd == NGX_INVALID_FILE) { of->err = ngx_errno; of->failed = ngx_open_file_n; return NGX_INVALID_FILE; } return fd; #else u_char *p, *cp, *end; ngx_fd_t at_fd; ngx_str_t at_name; if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) { fd = ngx_open_file(name->data, mode, create, access); if (fd == NGX_INVALID_FILE) { of->err = ngx_errno; of->failed = ngx_open_file_n; return NGX_INVALID_FILE; } return fd; } p = name->data; end = p + name->len; at_name = *name; if (of->disable_symlinks_from) { cp = p + of->disable_symlinks_from; *cp = '\0'; at_fd = ngx_open_file(p, NGX_FILE_SEARCH|NGX_FILE_NONBLOCK, NGX_FILE_OPEN, 0); *cp = '/'; if (at_fd == NGX_INVALID_FILE) { of->err = ngx_errno; of->failed = ngx_open_file_n; return NGX_INVALID_FILE; } at_name.len = of->disable_symlinks_from; p = cp + 1; } else if (*p == '/') { at_fd = ngx_open_file("/", NGX_FILE_SEARCH|NGX_FILE_NONBLOCK, NGX_FILE_OPEN, 0); if (at_fd == NGX_INVALID_FILE) { of->err = ngx_errno; of->failed = ngx_openat_file_n; return NGX_INVALID_FILE; } at_name.len = 1; p++; } else { at_fd = NGX_AT_FDCWD; } for ( ;; ) { cp = ngx_strlchr(p, end, '/'); if (cp == NULL) { break; } if (cp == p) { p++; continue; } *cp = '\0'; if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER) { fd = ngx_openat_file_owner(at_fd, p, NGX_FILE_SEARCH|NGX_FILE_NONBLOCK, NGX_FILE_OPEN, 0, log); } else { fd = ngx_openat_file(at_fd, p, NGX_FILE_SEARCH|NGX_FILE_NONBLOCK|NGX_FILE_NOFOLLOW, NGX_FILE_OPEN, 0); } *cp = '/'; if (fd == NGX_INVALID_FILE) { of->err = ngx_errno; of->failed = ngx_openat_file_n; goto failed; } if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, ngx_close_file_n " \"%V\" failed", &at_name); } p = cp + 1; at_fd = fd; at_name.len = cp - at_name.data; } if (p == end) { fd = ngx_openat_file(at_fd, ".", mode, create, access); goto done; } if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER && !(create & (NGX_FILE_CREATE_OR_OPEN|NGX_FILE_TRUNCATE))) { fd = ngx_openat_file_owner(at_fd, p, mode, create, access, log); } else { fd = ngx_openat_file(at_fd, p, mode|NGX_FILE_NOFOLLOW, create, access); } done: if (fd == NGX_INVALID_FILE) { of->err = ngx_errno; of->failed = ngx_openat_file_n; } failed: if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, ngx_close_file_n " \"%V\" failed", &at_name); } return fd; #endif }
['static ssize_t\nngx_http_log_script_write(ngx_http_request_t *r, ngx_http_log_script_t *script,\n u_char **name, u_char *buf, size_t len)\n{\n size_t root;\n ssize_t n;\n ngx_str_t log, path;\n ngx_open_file_info_t of;\n ngx_http_log_loc_conf_t *llcf;\n ngx_http_core_loc_conf_t *clcf;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (!r->root_tested) {\n if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) {\n return len;\n }\n path.data[root] = \'\\0\';\n ngx_memzero(&of, sizeof(ngx_open_file_info_t));\n of.valid = clcf->open_file_cache_valid;\n of.min_uses = clcf->open_file_cache_min_uses;\n of.test_dir = 1;\n of.test_only = 1;\n of.errors = clcf->open_file_cache_errors;\n of.events = clcf->open_file_cache_events;\n if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {\n return len;\n }\n if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)\n != NGX_OK)\n {\n if (of.err == 0) {\n return len;\n }\n ngx_log_error(NGX_LOG_ERR, r->connection->log, of.err,\n "testing \\"%s\\" existence failed", path.data);\n return len;\n }\n if (!of.is_dir) {\n ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ENOTDIR,\n "testing \\"%s\\" existence failed", path.data);\n return len;\n }\n }\n if (ngx_http_script_run(r, &log, script->lengths->elts, 1,\n script->values->elts)\n == NULL)\n {\n return len;\n }\n log.data[log.len - 1] = \'\\0\';\n *name = log.data;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http log \\"%s\\"", log.data);\n llcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);\n ngx_memzero(&of, sizeof(ngx_open_file_info_t));\n of.log = 1;\n of.valid = llcf->open_file_cache_valid;\n of.min_uses = llcf->open_file_cache_min_uses;\n of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;\n if (ngx_http_set_disable_symlinks(r, clcf, &log, &of) != NGX_OK) {\n return len;\n }\n if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool)\n != NGX_OK)\n {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,\n "%s \\"%s\\" failed", of.failed, log.data);\n return len;\n }\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http log #%d", of.fd);\n n = ngx_write_fd(of.fd, buf, len);\n return n;\n}', 'u_char *\nngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *path,\n size_t *root_length, size_t reserved)\n{\n u_char *last;\n size_t alias;\n ngx_http_core_loc_conf_t *clcf;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n alias = clcf->alias;\n if (alias && !r->valid_location) {\n ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,\n "\\"alias\\" cannot be used in location \\"%V\\" "\n "where URI was rewritten", &clcf->name);\n return NULL;\n }\n if (clcf->root_lengths == NULL) {\n *root_length = clcf->root.len;\n path->len = clcf->root.len + reserved + r->uri.len - alias + 1;\n path->data = ngx_pnalloc(r->pool, path->len);\n if (path->data == NULL) {\n return NULL;\n }\n last = ngx_copy(path->data, clcf->root.data, clcf->root.len);\n } else {\n#if (NGX_PCRE)\n ngx_uint_t captures;\n captures = alias && clcf->regex;\n reserved += captures ? r->add_uri_to_alias ? r->uri.len + 1 : 1\n : r->uri.len - alias + 1;\n#else\n reserved += r->uri.len - alias + 1;\n#endif\n if (ngx_http_script_run(r, path, clcf->root_lengths->elts, reserved,\n clcf->root_values->elts)\n == NULL)\n {\n return NULL;\n }\n if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, path, 0) != NGX_OK) {\n return NULL;\n }\n *root_length = path->len - reserved;\n last = path->data + *root_length;\n#if (NGX_PCRE)\n if (captures) {\n if (!r->add_uri_to_alias) {\n *last = \'\\0\';\n return last;\n }\n alias = 0;\n }\n#endif\n }\n last = ngx_cpystrn(last, r->uri.data + alias, r->uri.len - alias + 1);\n return last;\n}', 'ngx_int_t\nngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,\n ngx_open_file_info_t *of, ngx_pool_t *pool)\n{\n time_t now;\n uint32_t hash;\n ngx_int_t rc;\n ngx_file_info_t fi;\n ngx_pool_cleanup_t *cln;\n ngx_cached_open_file_t *file;\n ngx_pool_cleanup_file_t *clnf;\n ngx_open_file_cache_cleanup_t *ofcln;\n of->fd = NGX_INVALID_FILE;\n of->err = 0;\n if (cache == NULL) {\n if (of->test_only) {\n if (ngx_file_info_wrapper(name, of, &fi, pool->log)\n == NGX_FILE_ERROR)\n {\n return NGX_ERROR;\n }\n of->uniq = ngx_file_uniq(&fi);\n of->mtime = ngx_file_mtime(&fi);\n of->size = ngx_file_size(&fi);\n of->fs_size = ngx_file_fs_size(&fi);\n of->is_dir = ngx_is_dir(&fi);\n of->is_file = ngx_is_file(&fi);\n of->is_link = ngx_is_link(&fi);\n of->is_exec = ngx_is_exec(&fi);\n return NGX_OK;\n }\n cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t));\n if (cln == NULL) {\n return NGX_ERROR;\n }\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc == NGX_OK && !of->is_dir) {\n cln->handler = ngx_pool_cleanup_file;\n clnf = cln->data;\n clnf->fd = of->fd;\n clnf->name = name->data;\n clnf->log = pool->log;\n }\n return rc;\n }\n cln = ngx_pool_cleanup_add(pool, sizeof(ngx_open_file_cache_cleanup_t));\n if (cln == NULL) {\n return NGX_ERROR;\n }\n now = ngx_time();\n hash = ngx_crc32_long(name->data, name->len);\n file = ngx_open_file_lookup(cache, name, hash);\n if (file) {\n file->uses++;\n ngx_queue_remove(&file->queue);\n if (file->fd == NGX_INVALID_FILE && file->err == 0 && !file->is_dir) {\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\n goto add_event;\n }\n if (file->use_event\n || (file->event == NULL\n && (of->uniq == 0 || of->uniq == file->uniq)\n && now - file->created < of->valid\n#if (NGX_HAVE_OPENAT)\n && of->disable_symlinks == file->disable_symlinks\n && of->disable_symlinks_from == file->disable_symlinks_from\n#endif\n ))\n {\n if (file->err == 0) {\n of->fd = file->fd;\n of->uniq = file->uniq;\n of->mtime = file->mtime;\n of->size = file->size;\n of->is_dir = file->is_dir;\n of->is_file = file->is_file;\n of->is_link = file->is_link;\n of->is_exec = file->is_exec;\n of->is_directio = file->is_directio;\n if (!file->is_dir) {\n file->count++;\n ngx_open_file_add_event(cache, file, of, pool->log);\n }\n } else {\n of->err = file->err;\n#if (NGX_HAVE_OPENAT)\n of->failed = file->disable_symlinks ? ngx_openat_file_n\n : ngx_open_file_n;\n#else\n of->failed = ngx_open_file_n;\n#endif\n }\n goto found;\n }\n ngx_log_debug4(NGX_LOG_DEBUG_CORE, pool->log, 0,\n "retest open file: %s, fd:%d, c:%d, e:%d",\n file->name, file->fd, file->count, file->err);\n if (file->is_dir) {\n of->test_dir = 1;\n }\n of->fd = file->fd;\n of->uniq = file->uniq;\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\n if (of->is_dir) {\n if (file->is_dir || file->err) {\n goto update;\n }\n } else if (of->err == 0) {\n if (file->is_dir || file->err) {\n goto add_event;\n }\n if (of->uniq == file->uniq) {\n if (file->event) {\n file->use_event = 1;\n }\n of->is_directio = file->is_directio;\n goto update;\n }\n } else {\n if (file->err || file->is_dir) {\n goto update;\n }\n }\n if (file->count == 0) {\n ngx_open_file_del_event(file);\n if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", name);\n }\n goto add_event;\n }\n ngx_rbtree_delete(&cache->rbtree, &file->node);\n cache->current--;\n file->close = 1;\n goto create;\n }\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\ncreate:\n if (cache->current >= cache->max) {\n ngx_expire_old_cached_files(cache, 0, pool->log);\n }\n file = ngx_alloc(sizeof(ngx_cached_open_file_t), pool->log);\n if (file == NULL) {\n goto failed;\n }\n file->name = ngx_alloc(name->len + 1, pool->log);\n if (file->name == NULL) {\n ngx_free(file);\n file = NULL;\n goto failed;\n }\n ngx_cpystrn(file->name, name->data, name->len + 1);\n file->node.key = hash;\n ngx_rbtree_insert(&cache->rbtree, &file->node);\n cache->current++;\n file->uses = 1;\n file->count = 0;\n file->use_event = 0;\n file->event = NULL;\nadd_event:\n ngx_open_file_add_event(cache, file, of, pool->log);\nupdate:\n file->fd = of->fd;\n file->err = of->err;\n#if (NGX_HAVE_OPENAT)\n file->disable_symlinks = of->disable_symlinks;\n file->disable_symlinks_from = of->disable_symlinks_from;\n#endif\n if (of->err == 0) {\n file->uniq = of->uniq;\n file->mtime = of->mtime;\n file->size = of->size;\n file->close = 0;\n file->is_dir = of->is_dir;\n file->is_file = of->is_file;\n file->is_link = of->is_link;\n file->is_exec = of->is_exec;\n file->is_directio = of->is_directio;\n if (!of->is_dir) {\n file->count++;\n }\n }\n file->created = now;\nfound:\n file->accessed = now;\n ngx_queue_insert_head(&cache->expire_queue, &file->queue);\n ngx_log_debug5(NGX_LOG_DEBUG_CORE, pool->log, 0,\n "cached open file: %s, fd:%d, c:%d, e:%d, u:%d",\n file->name, file->fd, file->count, file->err, file->uses);\n if (of->err == 0) {\n if (!of->is_dir) {\n cln->handler = ngx_open_file_cleanup;\n ofcln = cln->data;\n ofcln->cache = cache;\n ofcln->file = file;\n ofcln->min_uses = of->min_uses;\n ofcln->log = pool->log;\n }\n return NGX_OK;\n }\n return NGX_ERROR;\nfailed:\n if (file) {\n ngx_rbtree_delete(&cache->rbtree, &file->node);\n cache->current--;\n if (file->count == 0) {\n if (file->fd != NGX_INVALID_FILE) {\n if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%s\\" failed",\n file->name);\n }\n }\n ngx_free(file->name);\n ngx_free(file);\n } else {\n file->close = 1;\n }\n }\n if (of->fd != NGX_INVALID_FILE) {\n if (ngx_close_file(of->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", name);\n }\n }\n return NGX_ERROR;\n}', 'static ngx_int_t\nngx_file_info_wrapper(ngx_str_t *name, ngx_open_file_info_t *of,\n ngx_file_info_t *fi, ngx_log_t *log)\n{\n ngx_int_t rc;\n#if !(NGX_HAVE_OPENAT)\n rc = ngx_file_info(name->data, fi);\n if (rc == NGX_FILE_ERROR) {\n of->err = ngx_errno;\n of->failed = ngx_file_info_n;\n return NGX_FILE_ERROR;\n }\n return rc;\n#else\n ngx_fd_t fd;\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) {\n rc = ngx_file_info(name->data, fi);\n if (rc == NGX_FILE_ERROR) {\n of->err = ngx_errno;\n of->failed = ngx_file_info_n;\n return NGX_FILE_ERROR;\n }\n return rc;\n }\n fd = ngx_open_file_wrapper(name, of, NGX_FILE_RDONLY|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0, log);\n if (fd == NGX_INVALID_FILE) {\n return NGX_FILE_ERROR;\n }\n rc = ngx_fd_info(fd, fi);\n if (rc == NGX_FILE_ERROR) {\n of->err = ngx_errno;\n of->failed = ngx_fd_info_n;\n }\n if (ngx_close_file(fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", name);\n }\n return rc;\n#endif\n}', 'static ngx_fd_t\nngx_open_file_wrapper(ngx_str_t *name, ngx_open_file_info_t *of,\n ngx_int_t mode, ngx_int_t create, ngx_int_t access, ngx_log_t *log)\n{\n ngx_fd_t fd;\n#if !(NGX_HAVE_OPENAT)\n fd = ngx_open_file(name->data, mode, create, access);\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_open_file_n;\n return NGX_INVALID_FILE;\n }\n return fd;\n#else\n u_char *p, *cp, *end;\n ngx_fd_t at_fd;\n ngx_str_t at_name;\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) {\n fd = ngx_open_file(name->data, mode, create, access);\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_open_file_n;\n return NGX_INVALID_FILE;\n }\n return fd;\n }\n p = name->data;\n end = p + name->len;\n at_name = *name;\n if (of->disable_symlinks_from) {\n cp = p + of->disable_symlinks_from;\n *cp = \'\\0\';\n at_fd = ngx_open_file(p, NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0);\n *cp = \'/\';\n if (at_fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_open_file_n;\n return NGX_INVALID_FILE;\n }\n at_name.len = of->disable_symlinks_from;\n p = cp + 1;\n } else if (*p == \'/\') {\n at_fd = ngx_open_file("/",\n NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0);\n if (at_fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_openat_file_n;\n return NGX_INVALID_FILE;\n }\n at_name.len = 1;\n p++;\n } else {\n at_fd = NGX_AT_FDCWD;\n }\n for ( ;; ) {\n cp = ngx_strlchr(p, end, \'/\');\n if (cp == NULL) {\n break;\n }\n if (cp == p) {\n p++;\n continue;\n }\n *cp = \'\\0\';\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER) {\n fd = ngx_openat_file_owner(at_fd, p,\n NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0, log);\n } else {\n fd = ngx_openat_file(at_fd, p,\n NGX_FILE_SEARCH|NGX_FILE_NONBLOCK|NGX_FILE_NOFOLLOW,\n NGX_FILE_OPEN, 0);\n }\n *cp = \'/\';\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_openat_file_n;\n goto failed;\n }\n if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", &at_name);\n }\n p = cp + 1;\n at_fd = fd;\n at_name.len = cp - at_name.data;\n }\n if (p == end) {\n fd = ngx_openat_file(at_fd, ".", mode, create, access);\n goto done;\n }\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER\n && !(create & (NGX_FILE_CREATE_OR_OPEN|NGX_FILE_TRUNCATE)))\n {\n fd = ngx_openat_file_owner(at_fd, p, mode, create, access, log);\n } else {\n fd = ngx_openat_file(at_fd, p, mode|NGX_FILE_NOFOLLOW, create, access);\n }\ndone:\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_openat_file_n;\n }\nfailed:\n if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", &at_name);\n }\n return fd;\n#endif\n}']
5,754
0
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/ssl/packet.c/#L49
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; }
['unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk)\n{\n if (!WPACKET_start_sub_packet_u24(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_OUTPUT_CERT_CHAIN,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!ssl_add_cert_chain(s, pkt, cpk))\n return 0;\n if (!WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_OUTPUT_CERT_CHAIN,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n if (!ossl_assert(pkt->subs != NULL))\n return 0;\n if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {\n SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'static int ssl_add_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk)\n{\n int i, chain_count;\n X509 *x;\n STACK_OF(X509) *extra_certs;\n STACK_OF(X509) *chain = NULL;\n X509_STORE *chain_store;\n if (cpk == NULL || cpk->x509 == NULL)\n return 1;\n x = cpk->x509;\n if (cpk->chain != NULL)\n extra_certs = cpk->chain;\n else\n extra_certs = s->ctx->extra_certs;\n if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs)\n chain_store = NULL;\n else if (s->cert->chain_store)\n chain_store = s->cert->chain_store;\n else\n chain_store = s->ctx->cert_store;\n if (chain_store != NULL) {\n X509_STORE_CTX *xs_ctx = X509_STORE_CTX_new();\n if (xs_ctx == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_ADD_CERT_CHAIN,\n ERR_R_MALLOC_FAILURE);\n return 0;\n }\n if (!X509_STORE_CTX_init(xs_ctx, chain_store, x, NULL)) {\n X509_STORE_CTX_free(xs_ctx);\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_ADD_CERT_CHAIN,\n ERR_R_X509_LIB);\n return 0;\n }\n (void)X509_verify_cert(xs_ctx);\n ERR_clear_error();\n chain = X509_STORE_CTX_get0_chain(xs_ctx);\n i = ssl_security_cert_chain(s, chain, NULL, 0);\n if (i != 1) {\n#if 0\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_EE_KEY_TOO_SMALL);\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_KEY_TOO_SMALL);\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_MD_TOO_WEAK);\n#endif\n X509_STORE_CTX_free(xs_ctx);\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_ADD_CERT_CHAIN, i);\n return 0;\n }\n chain_count = sk_X509_num(chain);\n for (i = 0; i < chain_count; i++) {\n x = sk_X509_value(chain, i);\n if (!ssl_add_cert_to_wpacket(s, pkt, x, i)) {\n X509_STORE_CTX_free(xs_ctx);\n return 0;\n }\n }\n X509_STORE_CTX_free(xs_ctx);\n } else {\n i = ssl_security_cert_chain(s, extra_certs, x, 0);\n if (i != 1) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_ADD_CERT_CHAIN, i);\n return 0;\n }\n if (!ssl_add_cert_to_wpacket(s, pkt, x, 0)) {\n return 0;\n }\n for (i = 0; i < sk_X509_num(extra_certs); i++) {\n x = sk_X509_value(extra_certs, i);\n if (!ssl_add_cert_to_wpacket(s, pkt, x, i + 1)) {\n return 0;\n }\n }\n }\n return 1;\n}', 'static int ssl_add_cert_to_wpacket(SSL *s, WPACKET *pkt, X509 *x, int chain)\n{\n int len;\n unsigned char *outbytes;\n len = i2d_X509(x, NULL);\n if (len < 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_ADD_CERT_TO_WPACKET,\n ERR_R_BUF_LIB);\n return 0;\n }\n if (!WPACKET_sub_allocate_bytes_u24(pkt, len, &outbytes)\n || i2d_X509(x, &outbytes) != len) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_ADD_CERT_TO_WPACKET,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (SSL_IS_TLS13(s)\n && !tls_construct_extensions(s, pkt, SSL_EXT_TLS1_3_CERTIFICATE, x,\n chain)) {\n return 0;\n }\n return 1;\n}', 'int WPACKET_sub_allocate_bytes__(WPACKET *pkt, size_t len,\n unsigned char **allocbytes, size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_allocate_bytes(pkt, len, allocbytes)\n || !WPACKET_close(pkt))\n return 0;\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!ossl_assert(pkt->subs != NULL && len != 0))\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}']
5,755
0
https://github.com/openssl/openssl/blob/e3713c365c2657236439fea00822a43aa396d112/ssl/s3_enc.c/#L462
int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, size_t len, size_t *secret_size) { static const unsigned char *salt[3] = { #ifndef CHARSET_EBCDIC (const unsigned char *)"A", (const unsigned char *)"BB", (const unsigned char *)"CCC", #else (const unsigned char *)"\x41", (const unsigned char *)"\x42\x42", (const unsigned char *)"\x43\x43\x43", #endif }; unsigned char buf[EVP_MAX_MD_SIZE]; EVP_MD_CTX *ctx = EVP_MD_CTX_new(); int i, ret = 1; unsigned int n; size_t ret_secret_size = 0; if (ctx == NULL) { SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE); return 0; } for (i = 0; i < 3; i++) { if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0 || EVP_DigestUpdate(ctx, salt[i], strlen((const char *)salt[i])) <= 0 || EVP_DigestUpdate(ctx, p, len) <= 0 || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]), SSL3_RANDOM_SIZE) <= 0 || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]), SSL3_RANDOM_SIZE) <= 0 || EVP_DigestFinal_ex(ctx, buf, &n) <= 0 || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0 || EVP_DigestUpdate(ctx, p, len) <= 0 || EVP_DigestUpdate(ctx, buf, n) <= 0 || EVP_DigestFinal_ex(ctx, out, &n) <= 0) { SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR); ret = 0; break; } out += n; ret_secret_size += n; } EVP_MD_CTX_free(ctx); OPENSSL_cleanse(buf, sizeof(buf)); if (ret) *secret_size = ret_secret_size; return ret; }
['int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,\n size_t len, size_t *secret_size)\n{\n static const unsigned char *salt[3] = {\n#ifndef CHARSET_EBCDIC\n (const unsigned char *)"A",\n (const unsigned char *)"BB",\n (const unsigned char *)"CCC",\n#else\n (const unsigned char *)"\\x41",\n (const unsigned char *)"\\x42\\x42",\n (const unsigned char *)"\\x43\\x43\\x43",\n#endif\n };\n unsigned char buf[EVP_MAX_MD_SIZE];\n EVP_MD_CTX *ctx = EVP_MD_CTX_new();\n int i, ret = 1;\n unsigned int n;\n size_t ret_secret_size = 0;\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n for (i = 0; i < 3; i++) {\n if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0\n || EVP_DigestUpdate(ctx, salt[i],\n strlen((const char *)salt[i])) <= 0\n || EVP_DigestUpdate(ctx, p, len) <= 0\n || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),\n SSL3_RANDOM_SIZE) <= 0\n || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),\n SSL3_RANDOM_SIZE) <= 0\n || EVP_DigestFinal_ex(ctx, buf, &n) <= 0\n || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0\n || EVP_DigestUpdate(ctx, p, len) <= 0\n || EVP_DigestUpdate(ctx, buf, n) <= 0\n || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {\n SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);\n ret = 0;\n break;\n }\n out += n;\n ret_secret_size += n;\n }\n EVP_MD_CTX_free(ctx);\n OPENSSL_cleanse(buf, sizeof(buf));\n if (ret)\n *secret_size = ret_secret_size;\n return ret;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n EVP_MD_CTX_reset(ctx);\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n INCREMENT(free_count);\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}']
5,756
0
https://github.com/openssl/openssl/blob/02cba628daa7fea959c561531a8a984756bdf41c/crypto/bn/bn_shift.c/#L112
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); }
['static int file_lshift1(STANZA *s)\n{\n BIGNUM *a = getBN(s, "A");\n BIGNUM *lshift1 = getBN(s, "LShift1");\n BIGNUM *zero = BN_new();\n BIGNUM *ret = BN_new();\n BIGNUM *two = BN_new();\n BIGNUM *remainder = BN_new();\n int st = 0;\n if (a == NULL || lshift1 == NULL || zero == NULL\n || ret == NULL || two == NULL || remainder == NULL)\n goto err;\n BN_zero(zero);\n if (!BN_set_word(two, 2)\n || !BN_add(ret, a, a)\n || !equalBN("A + A", lshift1, ret)\n || !BN_mul(ret, a, two, ctx)\n || !equalBN("A * 2", lshift1, ret)\n || !BN_div(ret, remainder, lshift1, two, ctx)\n || !equalBN("LShift1 / 2", a, ret)\n || !equalBN("LShift1 % 2", zero, remainder)\n || !BN_lshift1(ret, a)\n || !equalBN("A << 1", lshift1, ret)\n || !BN_rshift1(ret, lshift1)\n || !equalBN("LShift >> 1", a, ret)\n || !BN_rshift1(ret, lshift1)\n || !equalBN("LShift >> 1", a, ret))\n goto err;\n if (!BN_set_bit(lshift1, 0)\n || !BN_div(ret, NULL , lshift1, two, ctx)\n || !equalBN("(LShift1 | 1) / 2", a, ret)\n || !BN_rshift1(ret, lshift1)\n || !equalBN("(LShift | 1) >> 1", a, ret))\n goto err;\n st = 1;\nerr:\n BN_free(a);\n BN_free(lshift1);\n BN_free(zero);\n BN_free(ret);\n BN_free(two);\n BN_free(remainder);\n return st;\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return (1);\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# if 0\n if (i == 1 && !BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)b;\n if (bn_wexpand(tmp_bn, al) == NULL)\n goto err;\n tmp_bn->d[bl] = 0;\n bl++;\n i--;\n } else if (i == -1 && !BN_get_flags(a, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)a;\n if (bn_wexpand(tmp_bn, bl) == NULL)\n goto err;\n tmp_bn->d[al] = 0;\n al++;\n i++;\n }\n if (i == 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (al == j) {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, al, t->d);\n } else {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d, al - j, j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# endif\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}']
5,757
0
https://github.com/libav/libav/blob/490a022d86ef1c506a79744c5a95368af356fc69/libavformat/utils.c/#L2553
void avformat_free_context(AVFormatContext *s) { int i; AVStream *st; for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; if (st->parser) { av_parser_close(st->parser); av_free_packet(&st->cur_pkt); } av_metadata_free(&st->metadata); av_free(st->index_entries); av_free(st->codec->extradata); av_free(st->codec->subtitle_header); av_free(st->codec); av_free(st->priv_data); av_free(st->info); av_free(st); } for(i=s->nb_programs-1; i>=0; i--) { av_metadata_free(&s->programs[i]->metadata); av_freep(&s->programs[i]->stream_index); av_freep(&s->programs[i]); } av_freep(&s->programs); av_freep(&s->priv_data); while(s->nb_chapters--) { av_metadata_free(&s->chapters[s->nb_chapters]->metadata); av_free(s->chapters[s->nb_chapters]); } av_freep(&s->chapters); av_metadata_free(&s->metadata); av_freep(&s->key); av_free(s); }
['static int read_ffserver_streams(AVFormatContext *s, const char *filename)\n{\n int i, err;\n AVFormatContext *ic;\n int nopts = 0;\n err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);\n if (err < 0)\n return err;\n s->nb_streams = 0;\n for(i=0;i<ic->nb_streams;i++) {\n AVStream *st;\n AVCodec *codec;\n s->nb_streams++;\n st = av_mallocz(sizeof(AVStream));\n memcpy(st, ic->streams[i], sizeof(AVStream));\n st->codec = avcodec_alloc_context();\n if (!st->codec) {\n print_error(filename, AVERROR(ENOMEM));\n ffmpeg_exit(1);\n }\n avcodec_copy_context(st->codec, ic->streams[i]->codec);\n s->streams[i] = st;\n codec = avcodec_find_encoder(st->codec->codec_id);\n if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {\n if (audio_stream_copy) {\n st->stream_copy = 1;\n } else\n choose_sample_fmt(st, codec);\n } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {\n if (video_stream_copy) {\n st->stream_copy = 1;\n } else\n choose_pixel_fmt(st, codec);\n }\n if(st->codec->flags & CODEC_FLAG_BITEXACT)\n nopts = 1;\n new_output_stream(s, nb_output_files);\n }\n if (!nopts)\n s->timestamp = av_gettime();\n av_close_input_file(ic);\n return 0;\n}', 'void av_close_input_file(AVFormatContext *s)\n{\n AVIOContext *pb = s->iformat->flags & AVFMT_NOFILE ? NULL : s->pb;\n av_close_input_stream(s);\n if (pb)\n avio_close(pb);\n}', 'void av_close_input_stream(AVFormatContext *s)\n{\n flush_packet_queue(s);\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n avformat_free_context(s);\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i;\n AVStream *st;\n for(i=0;i<s->nb_streams;i++) {\n st = s->streams[i];\n if (st->parser) {\n av_parser_close(st->parser);\n av_free_packet(&st->cur_pkt);\n }\n av_metadata_free(&st->metadata);\n av_free(st->index_entries);\n av_free(st->codec->extradata);\n av_free(st->codec->subtitle_header);\n av_free(st->codec);\n av_free(st->priv_data);\n av_free(st->info);\n av_free(st);\n }\n for(i=s->nb_programs-1; i>=0; i--) {\n av_metadata_free(&s->programs[i]->metadata);\n av_freep(&s->programs[i]->stream_index);\n av_freep(&s->programs[i]);\n }\n av_freep(&s->programs);\n av_freep(&s->priv_data);\n while(s->nb_chapters--) {\n av_metadata_free(&s->chapters[s->nb_chapters]->metadata);\n av_free(s->chapters[s->nb_chapters]);\n }\n av_freep(&s->chapters);\n av_metadata_free(&s->metadata);\n av_freep(&s->key);\n av_free(s);\n}']
5,758
0
https://github.com/libav/libav/blob/c5254755c0154dcc7bb1191a84e6e7cf0106343b/libavformat/wav.c/#L384
static int wav_read_header(AVFormatContext *s) { int64_t size, av_uninit(data_size); int64_t sample_count=0; int rf64; uint32_t tag, list_type; AVIOContext *pb = s->pb; AVStream *st; WAVContext *wav = s->priv_data; int ret, got_fmt = 0; int64_t next_tag_ofs, data_ofs = -1; tag = avio_rl32(pb); rf64 = tag == MKTAG('R', 'F', '6', '4'); if (!rf64 && tag != MKTAG('R', 'I', 'F', 'F')) return -1; avio_rl32(pb); tag = avio_rl32(pb); if (tag != MKTAG('W', 'A', 'V', 'E')) return -1; if (rf64) { if (avio_rl32(pb) != MKTAG('d', 's', '6', '4')) return -1; size = avio_rl32(pb); if (size < 16) return -1; avio_rl64(pb); data_size = avio_rl64(pb); sample_count = avio_rl64(pb); if (data_size < 0 || sample_count < 0) { av_log(s, AV_LOG_ERROR, "negative data_size and/or sample_count in " "ds64: data_size = %"PRId64", sample_count = %"PRId64"\n", data_size, sample_count); return AVERROR_INVALIDDATA; } avio_skip(pb, size - 16); } for (;;) { size = next_tag(pb, &tag); next_tag_ofs = avio_tell(pb) + size; if (pb->eof_reached) break; switch (tag) { case MKTAG('f', 'm', 't', ' '): if (!got_fmt && (ret = wav_parse_fmt_tag(s, size, &st) < 0)) { return ret; } else if (got_fmt) av_log(s, AV_LOG_WARNING, "found more than one 'fmt ' tag\n"); got_fmt = 1; break; case MKTAG('d', 'a', 't', 'a'): if (!got_fmt) { av_log(s, AV_LOG_ERROR, "found no 'fmt ' tag before the 'data' tag\n"); return AVERROR_INVALIDDATA; } if (rf64) { next_tag_ofs = wav->data_end = avio_tell(pb) + data_size; } else { data_size = size; next_tag_ofs = wav->data_end = size ? next_tag_ofs : INT64_MAX; } data_ofs = avio_tell(pb); if (!pb->seekable || (!rf64 && !size)) goto break_loop; break; case MKTAG('f','a','c','t'): if (!sample_count) sample_count = avio_rl32(pb); break; case MKTAG('b','e','x','t'): if ((ret = wav_parse_bext_tag(s, size)) < 0) return ret; break; case MKTAG('L', 'I', 'S', 'T'): list_type = avio_rl32(pb); if (size <= 4) { av_log(s, AV_LOG_ERROR, "too short LIST"); return AVERROR_INVALIDDATA; } switch (list_type) { case MKTAG('I', 'N', 'F', 'O'): if ((ret = ff_read_riff_info(s, size - 4)) < 0) return ret; } break; } if ((avio_size(pb) > 0 && next_tag_ofs >= avio_size(pb)) || avio_seek(pb, next_tag_ofs, SEEK_SET) < 0) { break; } } break_loop: if (data_ofs < 0) { av_log(s, AV_LOG_ERROR, "no 'data' tag found\n"); return AVERROR_INVALIDDATA; } avio_seek(pb, data_ofs, SEEK_SET); if (!sample_count && st->codec->channels && av_get_bits_per_sample(st->codec->codec_id)) sample_count = (data_size<<3) / (st->codec->channels * (uint64_t)av_get_bits_per_sample(st->codec->codec_id)); if (sample_count) st->duration = sample_count; ff_metadata_conv_ctx(s, NULL, wav_metadata_conv); ff_metadata_conv_ctx(s, NULL, ff_riff_info_conv); return 0; }
['static int wav_read_header(AVFormatContext *s)\n{\n int64_t size, av_uninit(data_size);\n int64_t sample_count=0;\n int rf64;\n uint32_t tag, list_type;\n AVIOContext *pb = s->pb;\n AVStream *st;\n WAVContext *wav = s->priv_data;\n int ret, got_fmt = 0;\n int64_t next_tag_ofs, data_ofs = -1;\n tag = avio_rl32(pb);\n rf64 = tag == MKTAG(\'R\', \'F\', \'6\', \'4\');\n if (!rf64 && tag != MKTAG(\'R\', \'I\', \'F\', \'F\'))\n return -1;\n avio_rl32(pb);\n tag = avio_rl32(pb);\n if (tag != MKTAG(\'W\', \'A\', \'V\', \'E\'))\n return -1;\n if (rf64) {\n if (avio_rl32(pb) != MKTAG(\'d\', \'s\', \'6\', \'4\'))\n return -1;\n size = avio_rl32(pb);\n if (size < 16)\n return -1;\n avio_rl64(pb);\n data_size = avio_rl64(pb);\n sample_count = avio_rl64(pb);\n if (data_size < 0 || sample_count < 0) {\n av_log(s, AV_LOG_ERROR, "negative data_size and/or sample_count in "\n "ds64: data_size = %"PRId64", sample_count = %"PRId64"\\n",\n data_size, sample_count);\n return AVERROR_INVALIDDATA;\n }\n avio_skip(pb, size - 16);\n }\n for (;;) {\n size = next_tag(pb, &tag);\n next_tag_ofs = avio_tell(pb) + size;\n if (pb->eof_reached)\n break;\n switch (tag) {\n case MKTAG(\'f\', \'m\', \'t\', \' \'):\n if (!got_fmt && (ret = wav_parse_fmt_tag(s, size, &st) < 0)) {\n return ret;\n } else if (got_fmt)\n av_log(s, AV_LOG_WARNING, "found more than one \'fmt \' tag\\n");\n got_fmt = 1;\n break;\n case MKTAG(\'d\', \'a\', \'t\', \'a\'):\n if (!got_fmt) {\n av_log(s, AV_LOG_ERROR, "found no \'fmt \' tag before the \'data\' tag\\n");\n return AVERROR_INVALIDDATA;\n }\n if (rf64) {\n next_tag_ofs = wav->data_end = avio_tell(pb) + data_size;\n } else {\n data_size = size;\n next_tag_ofs = wav->data_end = size ? next_tag_ofs : INT64_MAX;\n }\n data_ofs = avio_tell(pb);\n if (!pb->seekable || (!rf64 && !size))\n goto break_loop;\n break;\n case MKTAG(\'f\',\'a\',\'c\',\'t\'):\n if (!sample_count)\n sample_count = avio_rl32(pb);\n break;\n case MKTAG(\'b\',\'e\',\'x\',\'t\'):\n if ((ret = wav_parse_bext_tag(s, size)) < 0)\n return ret;\n break;\n case MKTAG(\'L\', \'I\', \'S\', \'T\'):\n list_type = avio_rl32(pb);\n if (size <= 4) {\n av_log(s, AV_LOG_ERROR, "too short LIST");\n return AVERROR_INVALIDDATA;\n }\n switch (list_type) {\n case MKTAG(\'I\', \'N\', \'F\', \'O\'):\n if ((ret = ff_read_riff_info(s, size - 4)) < 0)\n return ret;\n }\n break;\n }\n if ((avio_size(pb) > 0 && next_tag_ofs >= avio_size(pb)) ||\n avio_seek(pb, next_tag_ofs, SEEK_SET) < 0) {\n break;\n }\n }\nbreak_loop:\n if (data_ofs < 0) {\n av_log(s, AV_LOG_ERROR, "no \'data\' tag found\\n");\n return AVERROR_INVALIDDATA;\n }\n avio_seek(pb, data_ofs, SEEK_SET);\n if (!sample_count && st->codec->channels && av_get_bits_per_sample(st->codec->codec_id))\n sample_count = (data_size<<3) / (st->codec->channels * (uint64_t)av_get_bits_per_sample(st->codec->codec_id));\n if (sample_count)\n st->duration = sample_count;\n ff_metadata_conv_ctx(s, NULL, wav_metadata_conv);\n ff_metadata_conv_ctx(s, NULL, ff_riff_info_conv);\n return 0;\n}']
5,759
0
https://github.com/libav/libav/blob/4601e76a4323deec30cc6b1d2cf1f192feedccbc/libavcodec/v210dec.c/#L95
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { int h, w; AVFrame *pic = avctx->coded_frame; const uint8_t *psrc = avpkt->data; uint16_t *y, *u, *v; int aligned_width = ((avctx->width + 47) / 48) * 48; int stride = aligned_width * 8 / 3; if (pic->data[0]) avctx->release_buffer(avctx, pic); if (avpkt->size < stride * avctx->height) { av_log(avctx, AV_LOG_ERROR, "packet too small\n"); return -1; } pic->reference = 0; if (avctx->get_buffer(avctx, pic) < 0) return -1; y = (uint16_t*)pic->data[0]; u = (uint16_t*)pic->data[1]; v = (uint16_t*)pic->data[2]; pic->pict_type = FF_I_TYPE; pic->key_frame = 1; #define READ_PIXELS(a, b, c) \ do { \ val = le2me_32(*src++); \ *a++ = val << 6; \ *b++ = (val >> 4) & 0xFFC0; \ *c++ = (val >> 14) & 0xFFC0; \ } while (0); for (h = 0; h < avctx->height; h++) { const uint32_t *src = (const uint32_t*)psrc; uint32_t val; for (w = 0; w < avctx->width - 5; w += 6) { READ_PIXELS(u, y, v); READ_PIXELS(y, u, y); READ_PIXELS(v, y, u); READ_PIXELS(y, v, y); } if (w < avctx->width - 1) { READ_PIXELS(u, y, v); val = le2me_32(*src++); *y++ = val << 6; } if (w < avctx->width - 3) { *u++ = (val >> 4) & 0xFFC0; *y++ = (val >> 14) & 0xFFC0; val = le2me_32(*src++); *v++ = val << 6; *y++ = (val >> 4) & 0xFFC0; } psrc += stride; y += pic->linesize[0]/2 - avctx->width; u += pic->linesize[1]/2 - avctx->width/2; v += pic->linesize[2]/2 - avctx->width/2; } *data_size = sizeof(AVFrame); *(AVFrame*)data = *avctx->coded_frame; return avpkt->size; }
['static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)\n{\n int h, w;\n AVFrame *pic = avctx->coded_frame;\n const uint8_t *psrc = avpkt->data;\n uint16_t *y, *u, *v;\n int aligned_width = ((avctx->width + 47) / 48) * 48;\n int stride = aligned_width * 8 / 3;\n if (pic->data[0])\n avctx->release_buffer(avctx, pic);\n if (avpkt->size < stride * avctx->height) {\n av_log(avctx, AV_LOG_ERROR, "packet too small\\n");\n return -1;\n }\n pic->reference = 0;\n if (avctx->get_buffer(avctx, pic) < 0)\n return -1;\n y = (uint16_t*)pic->data[0];\n u = (uint16_t*)pic->data[1];\n v = (uint16_t*)pic->data[2];\n pic->pict_type = FF_I_TYPE;\n pic->key_frame = 1;\n#define READ_PIXELS(a, b, c) \\\n do { \\\n val = le2me_32(*src++); \\\n *a++ = val << 6; \\\n *b++ = (val >> 4) & 0xFFC0; \\\n *c++ = (val >> 14) & 0xFFC0; \\\n } while (0);\n for (h = 0; h < avctx->height; h++) {\n const uint32_t *src = (const uint32_t*)psrc;\n uint32_t val;\n for (w = 0; w < avctx->width - 5; w += 6) {\n READ_PIXELS(u, y, v);\n READ_PIXELS(y, u, y);\n READ_PIXELS(v, y, u);\n READ_PIXELS(y, v, y);\n }\n if (w < avctx->width - 1) {\n READ_PIXELS(u, y, v);\n val = le2me_32(*src++);\n *y++ = val << 6;\n }\n if (w < avctx->width - 3) {\n *u++ = (val >> 4) & 0xFFC0;\n *y++ = (val >> 14) & 0xFFC0;\n val = le2me_32(*src++);\n *v++ = val << 6;\n *y++ = (val >> 4) & 0xFFC0;\n }\n psrc += stride;\n y += pic->linesize[0]/2 - avctx->width;\n u += pic->linesize[1]/2 - avctx->width/2;\n v += pic->linesize[2]/2 - avctx->width/2;\n }\n *data_size = sizeof(AVFrame);\n *(AVFrame*)data = *avctx->coded_frame;\n return avpkt->size;\n}']
5,760
0
https://github.com/libav/libav/blob/9b500b8f6c9806f3979f9d1fb874b7f4a802c656/libavcodec/lpc.h/#L137
static inline void compute_ref_coefs(const LPC_TYPE *autoc, int max_order, LPC_TYPE *ref, LPC_TYPE *error) { int i, j; LPC_TYPE err; LPC_TYPE gen0[MAX_LPC_ORDER], gen1[MAX_LPC_ORDER]; for (i = 0; i < max_order; i++) gen0[i] = gen1[i] = autoc[i + 1]; err = autoc[0]; ref[0] = -gen1[0] / err; err += gen1[0] * ref[0]; if (error) error[0] = err; for (i = 1; i < max_order; i++) { for (j = 0; j < max_order - i; j++) { gen1[j] = gen1[j + 1] + ref[i - 1] * gen0[j]; gen0[j] = gen1[j + 1] * ref[i - 1] + gen0[j]; } ref[i] = -gen1[0] / err; err += gen1[0] * ref[i]; if (error) error[i] = err; } }
['static inline void compute_ref_coefs(const LPC_TYPE *autoc, int max_order,\n LPC_TYPE *ref, LPC_TYPE *error)\n{\n int i, j;\n LPC_TYPE err;\n LPC_TYPE gen0[MAX_LPC_ORDER], gen1[MAX_LPC_ORDER];\n for (i = 0; i < max_order; i++)\n gen0[i] = gen1[i] = autoc[i + 1];\n err = autoc[0];\n ref[0] = -gen1[0] / err;\n err += gen1[0] * ref[0];\n if (error)\n error[0] = err;\n for (i = 1; i < max_order; i++) {\n for (j = 0; j < max_order - i; j++) {\n gen1[j] = gen1[j + 1] + ref[i - 1] * gen0[j];\n gen0[j] = gen1[j + 1] * ref[i - 1] + gen0[j];\n }\n ref[i] = -gen1[0] / err;\n err += gen1[0] * ref[i];\n if (error)\n error[i] = err;\n }\n}']
5,761
0
https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_lib.c/#L260
static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words) { BN_ULONG *a = NULL; bn_check_top(b); if (words > (INT_MAX / (4 * BN_BITS2))) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG); return NULL; } if (BN_get_flags(b, BN_FLG_STATIC_DATA)) { BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA); return NULL; } if (BN_get_flags(b, BN_FLG_SECURE)) a = OPENSSL_secure_zalloc(words * sizeof(*a)); else a = OPENSSL_zalloc(words * sizeof(*a)); if (a == NULL) { BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE); return NULL; } assert(b->top <= words); if (b->top > 0) memcpy(a, b->d, sizeof(*a) * b->top); return a; }
['static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in,\n BIGNUM **kinvp, BIGNUM **rp,\n const unsigned char *dgst, int dlen)\n{\n BN_CTX *ctx = NULL;\n BIGNUM *k = NULL, *r = NULL, *X = NULL;\n const BIGNUM *order;\n EC_POINT *tmp_point = NULL;\n const EC_GROUP *group;\n int ret = 0;\n if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);\n return 0;\n }\n if (!EC_KEY_can_sign(eckey)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING);\n return 0;\n }\n if (ctx_in == NULL) {\n if ((ctx = BN_CTX_new()) == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n } else\n ctx = ctx_in;\n k = BN_new();\n r = BN_new();\n X = BN_new();\n if (k == NULL || r == NULL || X == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if ((tmp_point = EC_POINT_new(group)) == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n order = EC_GROUP_get0_order(group);\n if (order == NULL) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n do {\n do\n if (dgst != NULL) {\n if (!BN_generate_dsa_nonce\n (k, order, EC_KEY_get0_private_key(eckey), dgst, dlen,\n ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP,\n EC_R_RANDOM_NUMBER_GENERATION_FAILED);\n goto err;\n }\n } else {\n if (!BN_priv_rand_range(k, order)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP,\n EC_R_RANDOM_NUMBER_GENERATION_FAILED);\n goto err;\n }\n }\n while (BN_is_zero(k));\n if (!BN_add(k, k, order))\n goto err;\n if (BN_num_bits(k) <= BN_num_bits(order))\n if (!BN_add(k, k, order))\n goto err;\n if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==\n NID_X9_62_prime_field) {\n if (!EC_POINT_get_affine_coordinates_GFp\n (group, tmp_point, X, NULL, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n }\n#ifndef OPENSSL_NO_EC2M\n else {\n if (!EC_POINT_get_affine_coordinates_GF2m(group,\n tmp_point, X, NULL,\n ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);\n goto err;\n }\n }\n#endif\n if (!BN_nnmod(r, X, order, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);\n goto err;\n }\n }\n while (BN_is_zero(r));\n if (EC_GROUP_get_mont_data(group) != NULL) {\n if (!BN_set_word(X, 2)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);\n goto err;\n }\n if (!BN_mod_sub(X, order, X, order, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);\n goto err;\n }\n BN_set_flags(X, BN_FLG_CONSTTIME);\n if (!BN_mod_exp_mont_consttime\n (k, k, X, order, ctx, EC_GROUP_get_mont_data(group))) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);\n goto err;\n }\n } else {\n if (!BN_mod_inverse(k, k, order, ctx)) {\n ECerr(EC_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);\n goto err;\n }\n }\n BN_clear_free(*rp);\n BN_clear_free(*kinvp);\n *rp = r;\n *kinvp = k;\n ret = 1;\n err:\n if (!ret) {\n BN_clear_free(k);\n BN_clear_free(r);\n }\n if (ctx != ctx_in)\n BN_CTX_free(ctx);\n EC_POINT_free(tmp_point);\n BN_clear_free(X);\n return ret;\n}', 'int BN_generate_dsa_nonce(BIGNUM *out, const BIGNUM *range,\n const BIGNUM *priv, const unsigned char *message,\n size_t message_len, BN_CTX *ctx)\n{\n SHA512_CTX sha;\n unsigned char random_bytes[64];\n unsigned char digest[SHA512_DIGEST_LENGTH];\n unsigned done, todo;\n const unsigned num_k_bytes = BN_num_bytes(range) + 8;\n unsigned char private_bytes[96];\n unsigned char *k_bytes;\n int ret = 0;\n k_bytes = OPENSSL_malloc(num_k_bytes);\n if (k_bytes == NULL)\n goto err;\n todo = sizeof(priv->d[0]) * priv->top;\n if (todo > sizeof(private_bytes)) {\n BNerr(BN_F_BN_GENERATE_DSA_NONCE, BN_R_PRIVATE_KEY_TOO_LARGE);\n goto err;\n }\n memcpy(private_bytes, priv->d, todo);\n memset(private_bytes + todo, 0, sizeof(private_bytes) - todo);\n for (done = 0; done < num_k_bytes;) {\n if (RAND_bytes(random_bytes, sizeof(random_bytes)) != 1)\n goto err;\n SHA512_Init(&sha);\n SHA512_Update(&sha, &done, sizeof(done));\n SHA512_Update(&sha, private_bytes, sizeof(private_bytes));\n SHA512_Update(&sha, message, message_len);\n SHA512_Update(&sha, random_bytes, sizeof(random_bytes));\n SHA512_Final(digest, &sha);\n todo = num_k_bytes - done;\n if (todo > SHA512_DIGEST_LENGTH)\n todo = SHA512_DIGEST_LENGTH;\n memcpy(k_bytes + done, digest, todo);\n done += todo;\n }\n if (!BN_bin2bn(k_bytes, num_k_bytes, out))\n goto err;\n if (BN_mod(out, out, range, ctx) != 1)\n goto err;\n ret = 1;\n err:\n OPENSSL_free(k_bytes);\n OPENSSL_cleanse(private_bytes, sizeof(private_bytes));\n return ret;\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n top = m->top;\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n#ifdef RSAZ_ENABLED\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n powerbufLen += top * sizeof(mont->N.d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!BN_to_montgomery(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_mod(&am, a, m, ctx))\n goto err;\n if (!BN_to_montgomery(&am, &am, mont, ctx))\n goto err;\n } else if (!BN_to_montgomery(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits >= 0) {\n if (bits < stride)\n stride = bits + 1;\n bits -= stride;\n wvalue = bn_get_bits(p, bits + 1);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *n0 = mont->n0, *np;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n for (np = am.d + top, i = 0; i < top; i++)\n np[i] = mont->N.d[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7)\n while (bits >= 0) {\n for (wvalue = 0, i = 0; i < 5; i++, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n } else {\n while (bits >= 0) {\n wvalue = bn_get_bits5(p->d, bits - 4);\n bits -= 5;\n bn_power5(tmp.d, tmp.d, powerbuf, np, n0, top, wvalue);\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, window))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, window))\n goto err;\n if (window > 1) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 2,\n window))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, i,\n window))\n goto err;\n }\n }\n bits--;\n for (wvalue = 0, i = bits % window; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&tmp, top, powerbuf, wvalue,\n window))\n goto err;\n while (bits >= 0) {\n wvalue = 0;\n for (i = 0; i < window; i++, bits--) {\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n }\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&am, top, powerbuf, wvalue,\n window))\n goto err;\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}']
5,762
0
https://github.com/openssl/openssl/blob/e51329d3815df95bf0ff66925c3961794f4c66d1/crypto/lhash/lhash.c/#L123
void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data) { unsigned long hash; OPENSSL_LH_NODE *nn, **rn; void *ret; lh->error = 0; rn = getrn(lh, data, &hash); if (*rn == NULL) { lh->num_no_delete++; return (NULL); } else { nn = *rn; *rn = nn->next; ret = nn->data; OPENSSL_free(nn); lh->num_delete++; } lh->num_items--; if ((lh->num_nodes > MIN_NODES) && (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes))) contract(lh); return (ret); }
['static int ssl_free(BIO *a)\n{\n BIO_SSL *bs;\n if (a == NULL)\n return (0);\n bs = BIO_get_data(a);\n if (bs->ssl != NULL)\n SSL_shutdown(bs->ssl);\n if (BIO_get_shutdown(a)) {\n if (BIO_get_init(a))\n SSL_free(bs->ssl);\n BIO_clear_flags(a, ~0);\n BIO_set_init(a, 0);\n }\n OPENSSL_free(bs);\n return 1;\n}', 'void SSL_free(SSL *s)\n{\n int i;\n if (s == NULL)\n return;\n CRYPTO_atomic_add(&s->references, -1, &i, s->lock);\n REF_PRINT_COUNT("SSL", s);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(s->param);\n dane_final(&s->dane);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n if (s->bbio != NULL) {\n if (s->bbio == s->wbio) {\n s->wbio = BIO_pop(s->wbio);\n }\n BIO_free(s->bbio);\n s->bbio = NULL;\n }\n BIO_free_all(s->rbio);\n if (s->wbio != s->rbio)\n BIO_free_all(s->wbio);\n BUF_MEM_free(s->init_buf);\n sk_SSL_CIPHER_free(s->cipher_list);\n sk_SSL_CIPHER_free(s->cipher_list_by_id);\n if (s->session != NULL) {\n ssl_clear_bad_session(s);\n SSL_SESSION_free(s->session);\n }\n clear_ciphers(s);\n ssl_cert_free(s->cert);\n OPENSSL_free(s->tlsext_hostname);\n SSL_CTX_free(s->initial_ctx);\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(s->tlsext_ecpointformatlist);\n OPENSSL_free(s->tlsext_ellipticcurvelist);\n#endif\n sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, X509_EXTENSION_free);\n#ifndef OPENSSL_NO_OCSP\n sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);\n#endif\n#ifndef OPENSSL_NO_CT\n SCT_LIST_free(s->scts);\n OPENSSL_free(s->tlsext_scts);\n#endif\n OPENSSL_free(s->tlsext_ocsp_resp);\n OPENSSL_free(s->alpn_client_proto_list);\n sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free);\n sk_X509_pop_free(s->verified_chain, X509_free);\n if (s->method != NULL)\n s->method->ssl_free(s);\n RECORD_LAYER_release(&s->rlayer);\n SSL_CTX_free(s->ctx);\n ASYNC_WAIT_CTX_free(s->waitctx);\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n OPENSSL_free(s->next_proto_negotiated);\n#endif\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);\n#endif\n CRYPTO_THREAD_lock_free(s->lock);\n OPENSSL_free(s);\n}', 'int ssl_clear_bad_session(SSL *s)\n{\n if ((s->session != NULL) &&\n !(s->shutdown & SSL_SENT_SHUTDOWN) &&\n !(SSL_in_init(s) || SSL_in_before(s))) {\n SSL_CTX_remove_session(s->ctx, s->session);\n return (1);\n } else\n return (0);\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n SSL_SESSION *r;\n int ret = 0;\n if ((c != NULL) && (c->session_id_length != 0)) {\n if (lck)\n CRYPTO_THREAD_write_lock(ctx->lock);\n if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n ret = 1;\n r = lh_SSL_SESSION_delete(ctx->sessions, c);\n SSL_SESSION_list_remove(ctx, c);\n }\n if (lck)\n CRYPTO_THREAD_unlock(ctx->lock);\n if (ret) {\n r->not_resumable = 1;\n if (ctx->remove_session_cb != NULL)\n ctx->remove_session_cb(ctx, r);\n SSL_SESSION_free(r);\n }\n } else\n ret = 0;\n return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)\n{\n unsigned long hash;\n OPENSSL_LH_NODE *nn, **rn;\n void *ret;\n lh->error = 0;\n rn = getrn(lh, data, &hash);\n if (*rn == NULL) {\n lh->num_no_delete++;\n return (NULL);\n } else {\n nn = *rn;\n *rn = nn->next;\n ret = nn->data;\n OPENSSL_free(nn);\n lh->num_delete++;\n }\n lh->num_items--;\n if ((lh->num_nodes > MIN_NODES) &&\n (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n contract(lh);\n return (ret);\n}']
5,763
0
https://github.com/openssl/openssl/blob/a21285b3636a8356f01027416b0cd43b016f58ca/crypto/bn/bn_ctx.c/#L276
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
['static int dsa_do_verify(const unsigned char *dgst, int dgst_len,\n DSA_SIG *sig, DSA *dsa)\n{\n BN_CTX *ctx;\n BIGNUM *u1, *u2, *t1;\n BN_MONT_CTX *mont = NULL;\n const BIGNUM *r, *s;\n int ret = -1, i;\n if (!dsa->p || !dsa->q || !dsa->g) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MISSING_PARAMETERS);\n return -1;\n }\n i = BN_num_bits(dsa->q);\n if (i != 160 && i != 224 && i != 256) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_BAD_Q_VALUE);\n return -1;\n }\n if (BN_num_bits(dsa->p) > OPENSSL_DSA_MAX_MODULUS_BITS) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MODULUS_TOO_LARGE);\n return -1;\n }\n u1 = BN_new();\n u2 = BN_new();\n t1 = BN_new();\n ctx = BN_CTX_new();\n if (u1 == NULL || u2 == NULL || t1 == NULL || ctx == NULL)\n goto err;\n DSA_SIG_get0(sig, &r, &s);\n if (BN_is_zero(r) || BN_is_negative(r) ||\n BN_ucmp(r, dsa->q) >= 0) {\n ret = 0;\n goto err;\n }\n if (BN_is_zero(s) || BN_is_negative(s) ||\n BN_ucmp(s, dsa->q) >= 0) {\n ret = 0;\n goto err;\n }\n if ((BN_mod_inverse(u2, s, dsa->q, ctx)) == NULL)\n goto err;\n if (dgst_len > (i >> 3))\n dgst_len = (i >> 3);\n if (BN_bin2bn(dgst, dgst_len, u1) == NULL)\n goto err;\n if (!BN_mod_mul(u1, u1, u2, dsa->q, ctx))\n goto err;\n if (!BN_mod_mul(u2, r, u2, dsa->q, ctx))\n goto err;\n if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {\n mont = BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n dsa->lock, dsa->p, ctx);\n if (!mont)\n goto err;\n }\n if (dsa->meth->dsa_mod_exp != NULL) {\n if (!dsa->meth->dsa_mod_exp(dsa, t1, dsa->g, u1, dsa->pub_key, u2,\n dsa->p, ctx, mont))\n goto err;\n } else {\n if (!BN_mod_exp2_mont(t1, dsa->g, u1, dsa->pub_key, u2, dsa->p, ctx,\n mont))\n goto err;\n }\n if (!BN_mod(u1, t1, dsa->q, ctx))\n goto err;\n ret = (BN_ucmp(u1, r) == 0);\n err:\n if (ret < 0)\n DSAerr(DSA_F_DSA_DO_VERIFY, ERR_R_BN_LIB);\n BN_CTX_free(ctx);\n BN_free(u1);\n BN_free(u2);\n BN_free(t1);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (BN_abs_is_word(n, 1) || BN_is_zero(n)) {\n if (pnoinv != NULL)\n *pnoinv = 1;\n return NULL;\n }\n if (pnoinv != NULL)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n rr->top = max;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}']
5,764
0
https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavformat/utils.c/#L2173
int av_find_stream_info(AVFormatContext *ic) { int i, count, ret, read_size, j; AVStream *st; AVPacket pkt1, *pkt; int64_t last_dts[MAX_STREAMS]; int duration_count[MAX_STREAMS]={0}; double (*duration_error)[MAX_STD_TIMEBASES]; offset_t old_offset = url_ftell(ic->pb); int64_t codec_info_duration[MAX_STREAMS]={0}; int codec_info_nb_frames[MAX_STREAMS]={0}; duration_error = av_mallocz(MAX_STREAMS * sizeof(*duration_error)); if (!duration_error) return AVERROR(ENOMEM); for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; if(st->codec->codec_type == CODEC_TYPE_VIDEO){ if(!st->codec->time_base.num) st->codec->time_base= st->time_base; } if (!st->parser) { st->parser = av_parser_init(st->codec->codec_id); if(st->need_parsing == AVSTREAM_PARSE_HEADERS && st->parser){ st->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES; } } } for(i=0;i<MAX_STREAMS;i++){ last_dts[i]= AV_NOPTS_VALUE; } count = 0; read_size = 0; for(;;) { for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; if (!has_codec_parameters(st->codec)) break; if( tb_unreliable(st->codec) && duration_count[i]<20 && st->codec->codec_type == CODEC_TYPE_VIDEO) break; if(st->parser && st->parser->parser->split && !st->codec->extradata) break; if(st->first_dts == AV_NOPTS_VALUE) break; } if (i == ic->nb_streams) { if (!(ic->ctx_flags & AVFMTCTX_NOHEADER)) { ret = count; break; } } if (read_size >= MAX_READ_SIZE) { ret = count; break; } ret = av_read_frame_internal(ic, &pkt1); if (ret < 0) { ret = -1; for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; if (!has_codec_parameters(st->codec)){ char buf[256]; avcodec_string(buf, sizeof(buf), st->codec, 0); av_log(ic, AV_LOG_INFO, "Could not find codec parameters (%s)\n", buf); } else { ret = 0; } } break; } pkt= add_to_pktbuf(&ic->packet_buffer, &pkt1); if(av_dup_packet(pkt) < 0) { av_free(duration_error); return AVERROR(ENOMEM); } read_size += pkt->size; st = ic->streams[pkt->stream_index]; if(codec_info_nb_frames[st->index]>1) codec_info_duration[st->index] += pkt->duration; if (pkt->duration != 0) codec_info_nb_frames[st->index]++; { int index= pkt->stream_index; int64_t last= last_dts[index]; int64_t duration= pkt->dts - last; if(pkt->dts != AV_NOPTS_VALUE && last != AV_NOPTS_VALUE && duration>0){ double dur= duration * av_q2d(st->time_base); if(duration_count[index] < 2) memset(duration_error[index], 0, sizeof(*duration_error)); for(i=1; i<MAX_STD_TIMEBASES; i++){ int framerate= get_std_framerate(i); int ticks= lrintf(dur*framerate/(1001*12)); double error= dur - ticks*1001*12/(double)framerate; duration_error[index][i] += error*error; } duration_count[index]++; } if(last == AV_NOPTS_VALUE || duration_count[index]<=1) last_dts[pkt->stream_index]= pkt->dts; } if(st->parser && st->parser->parser->split && !st->codec->extradata){ int i= st->parser->parser->split(st->codec, pkt->data, pkt->size); if(i){ st->codec->extradata_size= i; st->codec->extradata= av_malloc(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(st->codec->extradata, pkt->data, st->codec->extradata_size); memset(st->codec->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE); } } if (!has_codec_parameters(st->codec) ) try_decode_frame(st, pkt->data, pkt->size); if (st->time_base.den > 0 && av_rescale_q(codec_info_duration[st->index], st->time_base, AV_TIME_BASE_Q) >= ic->max_analyze_duration) { break; } count++; } for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; if(st->codec->codec) avcodec_close(st->codec); } for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; if (st->codec->codec_type == CODEC_TYPE_VIDEO) { if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_sample) st->codec->codec_tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt); if(duration_count[i] && tb_unreliable(st->codec) ){ double best_error= 2*av_q2d(st->time_base); best_error= best_error*best_error*duration_count[i]*1000*12*30; for(j=1; j<MAX_STD_TIMEBASES; j++){ double error= duration_error[i][j] * get_std_framerate(j); if(error < best_error){ best_error= error; av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, get_std_framerate(j), 12*1001, INT_MAX); } } } if (!st->r_frame_rate.num){ if( st->codec->time_base.den * (int64_t)st->time_base.num <= st->codec->time_base.num * (int64_t)st->time_base.den){ st->r_frame_rate.num = st->codec->time_base.den; st->r_frame_rate.den = st->codec->time_base.num; }else{ st->r_frame_rate.num = st->time_base.den; st->r_frame_rate.den = st->time_base.num; } } }else if(st->codec->codec_type == CODEC_TYPE_AUDIO) { if(!st->codec->bits_per_sample) st->codec->bits_per_sample= av_get_bits_per_sample(st->codec->codec_id); } } av_estimate_timings(ic, old_offset); compute_chapters_end(ic); #if 0 for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; if (st->codec->codec_type == CODEC_TYPE_VIDEO) { if(b-frames){ ppktl = &ic->packet_buffer; while(ppkt1){ if(ppkt1->stream_index != i) continue; if(ppkt1->pkt->dts < 0) break; if(ppkt1->pkt->pts != AV_NOPTS_VALUE) break; ppkt1->pkt->dts -= delta; ppkt1= ppkt1->next; } if(ppkt1) continue; st->cur_dts -= delta; } } } #endif av_free(duration_error); return ret; }
['int av_find_stream_info(AVFormatContext *ic)\n{\n int i, count, ret, read_size, j;\n AVStream *st;\n AVPacket pkt1, *pkt;\n int64_t last_dts[MAX_STREAMS];\n int duration_count[MAX_STREAMS]={0};\n double (*duration_error)[MAX_STD_TIMEBASES];\n offset_t old_offset = url_ftell(ic->pb);\n int64_t codec_info_duration[MAX_STREAMS]={0};\n int codec_info_nb_frames[MAX_STREAMS]={0};\n duration_error = av_mallocz(MAX_STREAMS * sizeof(*duration_error));\n if (!duration_error) return AVERROR(ENOMEM);\n for(i=0;i<ic->nb_streams;i++) {\n st = ic->streams[i];\n if(st->codec->codec_type == CODEC_TYPE_VIDEO){\n if(!st->codec->time_base.num)\n st->codec->time_base= st->time_base;\n }\n if (!st->parser) {\n st->parser = av_parser_init(st->codec->codec_id);\n if(st->need_parsing == AVSTREAM_PARSE_HEADERS && st->parser){\n st->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;\n }\n }\n }\n for(i=0;i<MAX_STREAMS;i++){\n last_dts[i]= AV_NOPTS_VALUE;\n }\n count = 0;\n read_size = 0;\n for(;;) {\n for(i=0;i<ic->nb_streams;i++) {\n st = ic->streams[i];\n if (!has_codec_parameters(st->codec))\n break;\n if( tb_unreliable(st->codec)\n && duration_count[i]<20 && st->codec->codec_type == CODEC_TYPE_VIDEO)\n break;\n if(st->parser && st->parser->parser->split && !st->codec->extradata)\n break;\n if(st->first_dts == AV_NOPTS_VALUE)\n break;\n }\n if (i == ic->nb_streams) {\n if (!(ic->ctx_flags & AVFMTCTX_NOHEADER)) {\n ret = count;\n break;\n }\n }\n if (read_size >= MAX_READ_SIZE) {\n ret = count;\n break;\n }\n ret = av_read_frame_internal(ic, &pkt1);\n if (ret < 0) {\n ret = -1;\n for(i=0;i<ic->nb_streams;i++) {\n st = ic->streams[i];\n if (!has_codec_parameters(st->codec)){\n char buf[256];\n avcodec_string(buf, sizeof(buf), st->codec, 0);\n av_log(ic, AV_LOG_INFO, "Could not find codec parameters (%s)\\n", buf);\n } else {\n ret = 0;\n }\n }\n break;\n }\n pkt= add_to_pktbuf(&ic->packet_buffer, &pkt1);\n if(av_dup_packet(pkt) < 0) {\n av_free(duration_error);\n return AVERROR(ENOMEM);\n }\n read_size += pkt->size;\n st = ic->streams[pkt->stream_index];\n if(codec_info_nb_frames[st->index]>1)\n codec_info_duration[st->index] += pkt->duration;\n if (pkt->duration != 0)\n codec_info_nb_frames[st->index]++;\n {\n int index= pkt->stream_index;\n int64_t last= last_dts[index];\n int64_t duration= pkt->dts - last;\n if(pkt->dts != AV_NOPTS_VALUE && last != AV_NOPTS_VALUE && duration>0){\n double dur= duration * av_q2d(st->time_base);\n if(duration_count[index] < 2)\n memset(duration_error[index], 0, sizeof(*duration_error));\n for(i=1; i<MAX_STD_TIMEBASES; i++){\n int framerate= get_std_framerate(i);\n int ticks= lrintf(dur*framerate/(1001*12));\n double error= dur - ticks*1001*12/(double)framerate;\n duration_error[index][i] += error*error;\n }\n duration_count[index]++;\n }\n if(last == AV_NOPTS_VALUE || duration_count[index]<=1)\n last_dts[pkt->stream_index]= pkt->dts;\n }\n if(st->parser && st->parser->parser->split && !st->codec->extradata){\n int i= st->parser->parser->split(st->codec, pkt->data, pkt->size);\n if(i){\n st->codec->extradata_size= i;\n st->codec->extradata= av_malloc(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);\n memcpy(st->codec->extradata, pkt->data, st->codec->extradata_size);\n memset(st->codec->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);\n }\n }\n if (!has_codec_parameters(st->codec) )\n try_decode_frame(st, pkt->data, pkt->size);\n if (st->time_base.den > 0 && av_rescale_q(codec_info_duration[st->index], st->time_base, AV_TIME_BASE_Q) >= ic->max_analyze_duration) {\n break;\n }\n count++;\n }\n for(i=0;i<ic->nb_streams;i++) {\n st = ic->streams[i];\n if(st->codec->codec)\n avcodec_close(st->codec);\n }\n for(i=0;i<ic->nb_streams;i++) {\n st = ic->streams[i];\n if (st->codec->codec_type == CODEC_TYPE_VIDEO) {\n if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_sample)\n st->codec->codec_tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);\n if(duration_count[i]\n && tb_unreliable(st->codec) ){\n double best_error= 2*av_q2d(st->time_base);\n best_error= best_error*best_error*duration_count[i]*1000*12*30;\n for(j=1; j<MAX_STD_TIMEBASES; j++){\n double error= duration_error[i][j] * get_std_framerate(j);\n if(error < best_error){\n best_error= error;\n av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, get_std_framerate(j), 12*1001, INT_MAX);\n }\n }\n }\n if (!st->r_frame_rate.num){\n if( st->codec->time_base.den * (int64_t)st->time_base.num\n <= st->codec->time_base.num * (int64_t)st->time_base.den){\n st->r_frame_rate.num = st->codec->time_base.den;\n st->r_frame_rate.den = st->codec->time_base.num;\n }else{\n st->r_frame_rate.num = st->time_base.den;\n st->r_frame_rate.den = st->time_base.num;\n }\n }\n }else if(st->codec->codec_type == CODEC_TYPE_AUDIO) {\n if(!st->codec->bits_per_sample)\n st->codec->bits_per_sample= av_get_bits_per_sample(st->codec->codec_id);\n }\n }\n av_estimate_timings(ic, old_offset);\n compute_chapters_end(ic);\n#if 0\n for(i=0;i<ic->nb_streams;i++) {\n st = ic->streams[i];\n if (st->codec->codec_type == CODEC_TYPE_VIDEO) {\n if(b-frames){\n ppktl = &ic->packet_buffer;\n while(ppkt1){\n if(ppkt1->stream_index != i)\n continue;\n if(ppkt1->pkt->dts < 0)\n break;\n if(ppkt1->pkt->pts != AV_NOPTS_VALUE)\n break;\n ppkt1->pkt->dts -= delta;\n ppkt1= ppkt1->next;\n }\n if(ppkt1)\n continue;\n st->cur_dts -= delta;\n }\n }\n }\n#endif\n av_free(duration_error);\n return ret;\n}']
5,765
0
https://github.com/libav/libav/blob/48238fd00b22518158999a0aac5d620bc31dc8d7/libavcodec/svq1dec.c/#L262
static int svq1_decode_block_non_intra(GetBitContext *bitbuf, uint8_t *pixels, int pitch) { uint32_t bit_cache; uint8_t *list[63]; uint32_t *dst; const uint32_t *codebook; int entries[6]; int i, j, m, n; int mean, stages; int x, y, width, height, level; uint32_t n1, n2, n3, n4; list[0] = pixels; for (i = 0, m = 1, n = 1, level = 5; i < n; i++) { SVQ1_PROCESS_VECTOR(); dst = (uint32_t *)list[i]; width = 1 << ((4 + level) / 2); height = 1 << ((3 + level) / 2); stages = get_vlc2(bitbuf, svq1_inter_multistage[level].table, 3, 2) - 1; if (stages == -1) continue; if ((stages > 0) && (level >= 4)) { av_dlog(NULL, "Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i\n", stages, level); return AVERROR_INVALIDDATA; } mean = get_vlc2(bitbuf, svq1_inter_mean.table, 9, 3) - 256; SVQ1_CALC_CODEBOOK_ENTRIES(ff_svq1_inter_codebooks); for (y = 0; y < height; y++) { for (x = 0; x < width / 4; x++, codebook++) { n3 = dst[x]; n1 = n4 + ((n3 & 0xFF00FF00) >> 8); n2 = n4 + (n3 & 0x00FF00FF); SVQ1_ADD_CODEBOOK() dst[x] = n1 << 8 | n2; } dst += pitch / 4; } } return 0; }
['static int svq1_decode_block_non_intra(GetBitContext *bitbuf, uint8_t *pixels,\n int pitch)\n{\n uint32_t bit_cache;\n uint8_t *list[63];\n uint32_t *dst;\n const uint32_t *codebook;\n int entries[6];\n int i, j, m, n;\n int mean, stages;\n int x, y, width, height, level;\n uint32_t n1, n2, n3, n4;\n list[0] = pixels;\n for (i = 0, m = 1, n = 1, level = 5; i < n; i++) {\n SVQ1_PROCESS_VECTOR();\n dst = (uint32_t *)list[i];\n width = 1 << ((4 + level) / 2);\n height = 1 << ((3 + level) / 2);\n stages = get_vlc2(bitbuf, svq1_inter_multistage[level].table, 3, 2) - 1;\n if (stages == -1)\n continue;\n if ((stages > 0) && (level >= 4)) {\n av_dlog(NULL,\n "Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i\\n",\n stages, level);\n return AVERROR_INVALIDDATA;\n }\n mean = get_vlc2(bitbuf, svq1_inter_mean.table, 9, 3) - 256;\n SVQ1_CALC_CODEBOOK_ENTRIES(ff_svq1_inter_codebooks);\n for (y = 0; y < height; y++) {\n for (x = 0; x < width / 4; x++, codebook++) {\n n3 = dst[x];\n n1 = n4 + ((n3 & 0xFF00FF00) >> 8);\n n2 = n4 + (n3 & 0x00FF00FF);\n SVQ1_ADD_CODEBOOK()\n dst[x] = n1 << 8 | n2;\n }\n dst += pitch / 4;\n }\n }\n return 0;\n}']
5,766
0
https://github.com/openssl/openssl/blob/260a16f33682a819414fcba6161708a5e6bdff50/crypto/lhash/lhash.c/#L200
static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg, OPENSSL_LH_DOALL_FUNC func, OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg) { int i; OPENSSL_LH_NODE *a, *n; if (lh == NULL) return; for (i = lh->num_nodes - 1; i >= 0; i--) { a = lh->b[i]; while (a != NULL) { n = a->next; if (use_arg) func_arg(a->data, arg); else func(a->data); a = n; } } }
['static int test_handshake_secrets(void)\n{\n SSL_CTX *ctx = NULL;\n SSL *s = NULL;\n int ret = 0;\n size_t hashsize;\n unsigned char out_master_secret[EVP_MAX_MD_SIZE];\n size_t master_secret_length;\n ctx = SSL_CTX_new(TLS_method());\n if (!TEST_ptr(ctx))\n goto err;\n s = SSL_new(ctx);\n if (!TEST_ptr(s ))\n goto err;\n s->session = SSL_SESSION_new();\n if (!TEST_ptr(s->session))\n goto err;\n if (!TEST_true(tls13_generate_secret(s, ssl_handshake_md(s), NULL, NULL, 0,\n (unsigned char *)&s->early_secret))) {\n TEST_info("Early secret generation failed");\n goto err;\n }\n if (!TEST_mem_eq(s->early_secret, sizeof(early_secret),\n early_secret, sizeof(early_secret))) {\n TEST_info("Early secret does not match");\n goto err;\n }\n if (!TEST_true(tls13_generate_handshake_secret(s, ecdhe_secret,\n sizeof(ecdhe_secret)))) {\n TEST_info("Handshake secret generation failed");\n goto err;\n }\n if (!TEST_mem_eq(s->handshake_secret, sizeof(handshake_secret),\n handshake_secret, sizeof(handshake_secret)))\n goto err;\n hashsize = EVP_MD_size(ssl_handshake_md(s));\n if (!TEST_size_t_eq(sizeof(client_hts), hashsize))\n goto err;\n if (!TEST_size_t_eq(sizeof(client_hts_key), KEYLEN))\n goto err;\n if (!TEST_size_t_eq(sizeof(client_hts_iv), IVLEN))\n goto err;\n if (!TEST_true(test_secret(s, s->handshake_secret,\n (unsigned char *)client_hts_label,\n strlen(client_hts_label), client_hts,\n client_hts_key, client_hts_iv))) {\n TEST_info("Client handshake secret test failed");\n goto err;\n }\n if (!TEST_size_t_eq(sizeof(server_hts), hashsize))\n goto err;\n if (!TEST_size_t_eq(sizeof(server_hts_key), KEYLEN))\n goto err;\n if (!TEST_size_t_eq(sizeof(server_hts_iv), IVLEN))\n goto err;\n if (!TEST_true(test_secret(s, s->handshake_secret,\n (unsigned char *)server_hts_label,\n strlen(server_hts_label), server_hts,\n server_hts_key, server_hts_iv))) {\n TEST_info("Server handshake secret test failed");\n goto err;\n }\n full_hash = 1;\n if (!TEST_true(tls13_generate_master_secret(s, out_master_secret,\n s->handshake_secret, hashsize,\n &master_secret_length))) {\n TEST_info("Master secret generation failed");\n goto err;\n }\n if (!TEST_mem_eq(out_master_secret, master_secret_length,\n master_secret, sizeof(master_secret))) {\n TEST_info("Master secret does not match");\n goto err;\n }\n if (!TEST_size_t_eq(sizeof(client_ats), hashsize))\n goto err;\n if (!TEST_size_t_eq(sizeof(client_ats_key), KEYLEN))\n goto err;\n if (!TEST_size_t_eq(sizeof(client_ats_iv), IVLEN))\n goto err;\n if (!TEST_true(test_secret(s, out_master_secret,\n (unsigned char *)client_ats_label,\n strlen(client_ats_label), client_ats,\n client_ats_key, client_ats_iv))) {\n TEST_info("Client application data secret test failed");\n goto err;\n }\n if (!TEST_size_t_eq(sizeof(server_ats), hashsize))\n goto err;\n if (!TEST_size_t_eq(sizeof(server_ats_key), KEYLEN))\n goto err;\n if (!TEST_size_t_eq(sizeof(server_ats_iv), IVLEN))\n goto err;\n if (!TEST_true(test_secret(s, out_master_secret,\n (unsigned char *)server_ats_label,\n strlen(server_ats_label), server_ats,\n server_ats_key, server_ats_iv))) {\n TEST_info("Server application data secret test failed");\n goto err;\n }\n ret = 1;\n err:\n SSL_free(s);\n SSL_CTX_free(ctx);\n return ret;\n}', 'SSL *SSL_new(SSL_CTX *ctx)\n{\n SSL *s;\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX);\n return NULL;\n }\n if (ctx->method == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n return NULL;\n }\n s = OPENSSL_zalloc(sizeof(*s));\n if (s == NULL)\n goto err;\n s->references = 1;\n s->lock = CRYPTO_THREAD_lock_new();\n if (s->lock == NULL) {\n OPENSSL_free(s);\n s = NULL;\n goto err;\n }\n RECORD_LAYER_init(&s->rlayer, s);\n s->options = ctx->options;\n s->dane.flags = ctx->dane.flags;\n s->min_proto_version = ctx->min_proto_version;\n s->max_proto_version = ctx->max_proto_version;\n s->mode = ctx->mode;\n s->max_cert_list = ctx->max_cert_list;\n s->max_early_data = ctx->max_early_data;\n s->recv_max_early_data = ctx->recv_max_early_data;\n s->num_tickets = ctx->num_tickets;\n s->pha_enabled = ctx->pha_enabled;\n s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites);\n if (s->tls13_ciphersuites == NULL)\n goto err;\n s->cert = ssl_cert_dup(ctx->cert);\n if (s->cert == NULL)\n goto err;\n RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead);\n s->msg_callback = ctx->msg_callback;\n s->msg_callback_arg = ctx->msg_callback_arg;\n s->verify_mode = ctx->verify_mode;\n s->not_resumable_session_cb = ctx->not_resumable_session_cb;\n s->record_padding_cb = ctx->record_padding_cb;\n s->record_padding_arg = ctx->record_padding_arg;\n s->block_padding = ctx->block_padding;\n s->sid_ctx_length = ctx->sid_ctx_length;\n if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx)))\n goto err;\n memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));\n s->verify_callback = ctx->default_verify_callback;\n s->generate_session_id = ctx->generate_session_id;\n s->param = X509_VERIFY_PARAM_new();\n if (s->param == NULL)\n goto err;\n X509_VERIFY_PARAM_inherit(s->param, ctx->param);\n s->quiet_shutdown = ctx->quiet_shutdown;\n s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode;\n s->max_send_fragment = ctx->max_send_fragment;\n s->split_send_fragment = ctx->split_send_fragment;\n s->max_pipelines = ctx->max_pipelines;\n if (s->max_pipelines > 1)\n RECORD_LAYER_set_read_ahead(&s->rlayer, 1);\n if (ctx->default_read_buf_len > 0)\n SSL_set_default_read_buffer_len(s, ctx->default_read_buf_len);\n SSL_CTX_up_ref(ctx);\n s->ctx = ctx;\n s->ext.debug_cb = 0;\n s->ext.debug_arg = NULL;\n s->ext.ticket_expected = 0;\n s->ext.status_type = ctx->ext.status_type;\n s->ext.status_expected = 0;\n s->ext.ocsp.ids = NULL;\n s->ext.ocsp.exts = NULL;\n s->ext.ocsp.resp = NULL;\n s->ext.ocsp.resp_len = 0;\n SSL_CTX_up_ref(ctx);\n s->session_ctx = ctx;\n#ifndef OPENSSL_NO_EC\n if (ctx->ext.ecpointformats) {\n s->ext.ecpointformats =\n OPENSSL_memdup(ctx->ext.ecpointformats,\n ctx->ext.ecpointformats_len);\n if (!s->ext.ecpointformats)\n goto err;\n s->ext.ecpointformats_len =\n ctx->ext.ecpointformats_len;\n }\n if (ctx->ext.supportedgroups) {\n s->ext.supportedgroups =\n OPENSSL_memdup(ctx->ext.supportedgroups,\n ctx->ext.supportedgroups_len\n * sizeof(*ctx->ext.supportedgroups));\n if (!s->ext.supportedgroups)\n goto err;\n s->ext.supportedgroups_len = ctx->ext.supportedgroups_len;\n }\n#endif\n#ifndef OPENSSL_NO_NEXTPROTONEG\n s->ext.npn = NULL;\n#endif\n if (s->ctx->ext.alpn) {\n s->ext.alpn = OPENSSL_malloc(s->ctx->ext.alpn_len);\n if (s->ext.alpn == NULL)\n goto err;\n memcpy(s->ext.alpn, s->ctx->ext.alpn, s->ctx->ext.alpn_len);\n s->ext.alpn_len = s->ctx->ext.alpn_len;\n }\n s->verified_chain = NULL;\n s->verify_result = X509_V_OK;\n s->default_passwd_callback = ctx->default_passwd_callback;\n s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata;\n s->method = ctx->method;\n s->key_update = SSL_KEY_UPDATE_NONE;\n s->allow_early_data_cb = ctx->allow_early_data_cb;\n s->allow_early_data_cb_data = ctx->allow_early_data_cb_data;\n if (!s->method->ssl_new(s))\n goto err;\n s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1;\n if (!SSL_clear(s))\n goto err;\n if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data))\n goto err;\n#ifndef OPENSSL_NO_PSK\n s->psk_client_callback = ctx->psk_client_callback;\n s->psk_server_callback = ctx->psk_server_callback;\n#endif\n s->psk_find_session_cb = ctx->psk_find_session_cb;\n s->psk_use_session_cb = ctx->psk_use_session_cb;\n s->async_cb = ctx->async_cb;\n s->async_cb_arg = ctx->async_cb_arg;\n s->job = NULL;\n#ifndef OPENSSL_NO_CT\n if (!SSL_set_ct_validation_callback(s, ctx->ct_validation_callback,\n ctx->ct_validation_callback_arg))\n goto err;\n#endif\n return s;\n err:\n SSL_free(s);\n SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n return NULL;\n}', 'void SSL_free(SSL *s)\n{\n int i;\n if (s == NULL)\n return;\n CRYPTO_DOWN_REF(&s->references, &i, s->lock);\n REF_PRINT_COUNT("SSL", s);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(s->param);\n dane_final(&s->dane);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n RECORD_LAYER_release(&s->rlayer);\n ssl_free_wbio_buffer(s);\n BIO_free_all(s->wbio);\n s->wbio = NULL;\n BIO_free_all(s->rbio);\n s->rbio = NULL;\n BUF_MEM_free(s->init_buf);\n sk_SSL_CIPHER_free(s->cipher_list);\n sk_SSL_CIPHER_free(s->cipher_list_by_id);\n sk_SSL_CIPHER_free(s->tls13_ciphersuites);\n if (s->session != NULL) {\n ssl_clear_bad_session(s);\n SSL_SESSION_free(s->session);\n }\n SSL_SESSION_free(s->psksession);\n OPENSSL_free(s->psksession_id);\n clear_ciphers(s);\n ssl_cert_free(s->cert);\n OPENSSL_free(s->ext.hostname);\n SSL_CTX_free(s->session_ctx);\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(s->ext.ecpointformats);\n OPENSSL_free(s->ext.supportedgroups);\n#endif\n sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free);\n#ifndef OPENSSL_NO_OCSP\n sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free);\n#endif\n#ifndef OPENSSL_NO_CT\n SCT_LIST_free(s->scts);\n OPENSSL_free(s->ext.scts);\n#endif\n OPENSSL_free(s->ext.ocsp.resp);\n OPENSSL_free(s->ext.alpn);\n OPENSSL_free(s->ext.tls13_cookie);\n OPENSSL_free(s->clienthello);\n OPENSSL_free(s->pha_context);\n EVP_MD_CTX_free(s->pha_dgst);\n sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free);\n sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free);\n sk_X509_pop_free(s->verified_chain, X509_free);\n if (s->method != NULL)\n s->method->ssl_free(s);\n SSL_CTX_free(s->ctx);\n ASYNC_WAIT_CTX_free(s->waitctx);\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n OPENSSL_free(s->ext.npn);\n#endif\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);\n#endif\n CRYPTO_THREAD_lock_free(s->lock);\n OPENSSL_free(s);\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n CRYPTO_DOWN_REF(&a->references, &i, a->lock);\n REF_PRINT_COUNT("SSL_CTX", a);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(a->param);\n dane_ctx_final(&a->dane);\n if (a->sessions != NULL)\n SSL_CTX_flush_sessions(a, 0);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n lh_SSL_SESSION_free(a->sessions);\n X509_STORE_free(a->cert_store);\n#ifndef OPENSSL_NO_CT\n CTLOG_STORE_free(a->ctlog_store);\n#endif\n sk_SSL_CIPHER_free(a->cipher_list);\n sk_SSL_CIPHER_free(a->cipher_list_by_id);\n sk_SSL_CIPHER_free(a->tls13_ciphersuites);\n ssl_cert_free(a->cert);\n sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free);\n sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free);\n sk_X509_pop_free(a->extra_certs, X509_free);\n a->comp_methods = NULL;\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(a->ext.ecpointformats);\n OPENSSL_free(a->ext.supportedgroups);\n#endif\n OPENSSL_free(a->ext.alpn);\n OPENSSL_secure_free(a->ext.secure);\n CRYPTO_THREAD_lock_free(a->lock);\n OPENSSL_free(a);\n}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n{\n unsigned long i;\n TIMEOUT_PARAM tp;\n tp.ctx = s;\n tp.cache = s->sessions;\n if (tp.cache == NULL)\n return;\n tp.time = t;\n CRYPTO_THREAD_write_lock(s->lock);\n i = lh_SSL_SESSION_get_down_load(s->sessions);\n lh_SSL_SESSION_set_down_load(s->sessions, 0);\n lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);\n lh_SSL_SESSION_set_down_load(s->sessions, i);\n CRYPTO_THREAD_unlock(s->lock);\n}', 'IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM)', 'void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg)\n{\n doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC)0, func, arg);\n}', 'static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,\n OPENSSL_LH_DOALL_FUNC func,\n OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)\n{\n int i;\n OPENSSL_LH_NODE *a, *n;\n if (lh == NULL)\n return;\n for (i = lh->num_nodes - 1; i >= 0; i--) {\n a = lh->b[i];\n while (a != NULL) {\n n = a->next;\n if (use_arg)\n func_arg(a->data, arg);\n else\n func(a->data);\n a = n;\n }\n }\n}']
5,767
0
https://github.com/libav/libav/blob/403ee835e7913eb9536b22c2b22edfdd700166a9/libavformat/rtpdec_asf.c/#L116
int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p) { int ret = 0; if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) { AVIOContext pb; RTSPState *rt = s->priv_data; int len = strlen(p) * 6 / 8; char *buf = av_mallocz(len); av_base64_decode(buf, p, len); if (rtp_asf_fix_header(buf, len) < 0) av_log(s, AV_LOG_ERROR, "Failed to fix invalid RTSP-MS/ASF min_pktsize\n"); init_packetizer(&pb, buf, len); if (rt->asf_ctx) { av_close_input_stream(rt->asf_ctx); rt->asf_ctx = NULL; } ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &ff_asf_demuxer, NULL); if (ret < 0) return ret; av_metadata_copy(&s->metadata, rt->asf_ctx->metadata, 0); rt->asf_pb_pos = avio_tell(&pb); av_free(buf); rt->asf_ctx->pb = NULL; } return ret; }
['int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)\n{\n int ret = 0;\n if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {\n AVIOContext pb;\n RTSPState *rt = s->priv_data;\n int len = strlen(p) * 6 / 8;\n char *buf = av_mallocz(len);\n av_base64_decode(buf, p, len);\n if (rtp_asf_fix_header(buf, len) < 0)\n av_log(s, AV_LOG_ERROR,\n "Failed to fix invalid RTSP-MS/ASF min_pktsize\\n");\n init_packetizer(&pb, buf, len);\n if (rt->asf_ctx) {\n av_close_input_stream(rt->asf_ctx);\n rt->asf_ctx = NULL;\n }\n ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &ff_asf_demuxer, NULL);\n if (ret < 0)\n return ret;\n av_metadata_copy(&s->metadata, rt->asf_ctx->metadata, 0);\n rt->asf_pb_pos = avio_tell(&pb);\n av_free(buf);\n rt->asf_ctx->pb = NULL;\n }\n return ret;\n}', 'void *av_mallocz(FF_INTERNAL_MEM_TYPE size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\n}', 'void *av_malloc(FF_INTERNAL_MEM_TYPE size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}', 'static void init_packetizer(AVIOContext *pb, uint8_t *buf, int len)\n{\n ffio_init_context(pb, buf, len, 0, NULL, packetizer_read, NULL, NULL);\n pb->pos = len;\n pb->buf_end = buf + len;\n}', 'int ffio_init_context(AVIOContext *s,\n unsigned char *buffer,\n int buffer_size,\n int write_flag,\n void *opaque,\n int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),\n int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),\n int64_t (*seek)(void *opaque, int64_t offset, int whence))\n{\n s->buffer = buffer;\n s->buffer_size = buffer_size;\n s->buf_ptr = buffer;\n s->opaque = opaque;\n url_resetbuf(s, write_flag ? URL_WRONLY : URL_RDONLY);\n s->write_packet = write_packet;\n s->read_packet = read_packet;\n s->seek = seek;\n s->pos = 0;\n s->must_flush = 0;\n s->eof_reached = 0;\n s->error = 0;\n#if FF_API_OLD_AVIO\n s->is_streamed = 0;\n#endif\n s->seekable = AVIO_SEEKABLE_NORMAL;\n s->max_packet_size = 0;\n s->update_checksum= NULL;\n if(!read_packet && !write_flag){\n s->pos = buffer_size;\n s->buf_end = s->buffer + buffer_size;\n }\n s->read_pause = NULL;\n s->read_seek = NULL;\n return 0;\n}', 'int url_resetbuf(AVIOContext *s, int flags)\n#else\nstatic int url_resetbuf(AVIOContext *s, int flags)\n#endif\n{\n#if FF_API_URL_RESETBUF\n if (flags & URL_RDWR)\n return AVERROR(EINVAL);\n#else\n assert(flags == URL_WRONLY || flags == URL_RDONLY);\n#endif\n if (flags & URL_WRONLY) {\n s->buf_end = s->buffer + s->buffer_size;\n s->write_flag = 1;\n } else {\n s->buf_end = s->buffer;\n s->write_flag = 0;\n }\n return 0;\n}', 'void av_close_input_stream(AVFormatContext *s)\n{\n flush_packet_queue(s);\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n avformat_free_context(s);\n}']
5,768
0
https://github.com/libav/libav/blob/4860abb116674c7be31e825db05cdcfd30f3aff2/libavcodec/ra144.c/#L178
static void final(const short *i1, const short *i2, void *out, int *statbuf, int len) { int x, sum, i; int buffer[10]; short *ptr; short *ptr2; unsigned short int work[50]; memcpy(work, statbuf,20); memcpy(work + 10, i2, len * 2); for(i=0; i<10; i++) buffer[9-i] = i1[i]; ptr2 = (ptr = work) + len; while (ptr < ptr2) { for(sum=0, x=0; x<=9; x++) sum += buffer[x] * (ptr[x]); sum = sum >> 12; x = ptr[10] - sum; if (x<-32768 || x>32767) { memset(out, 0, len * 2); memset(statbuf, 0, 20); return; } ptr[10] = x; ptr++; } memcpy(out, ptr+10 - len, len * 2); memcpy(statbuf, ptr, 20); }
['static void final(const short *i1, const short *i2,\n void *out, int *statbuf, int len)\n{\n int x, sum, i;\n int buffer[10];\n short *ptr;\n short *ptr2;\n unsigned short int work[50];\n memcpy(work, statbuf,20);\n memcpy(work + 10, i2, len * 2);\n for(i=0; i<10; i++)\n buffer[9-i] = i1[i];\n ptr2 = (ptr = work) + len;\n while (ptr < ptr2) {\n for(sum=0, x=0; x<=9; x++)\n sum += buffer[x] * (ptr[x]);\n sum = sum >> 12;\n x = ptr[10] - sum;\n if (x<-32768 || x>32767) {\n memset(out, 0, len * 2);\n memset(statbuf, 0, 20);\n return;\n }\n ptr[10] = x;\n ptr++;\n }\n memcpy(out, ptr+10 - len, len * 2);\n memcpy(statbuf, ptr, 20);\n}']
5,769
1
https://github.com/openssl/openssl/blob/ff281ee8369350d88e8b57af139614f5683e1e8c/crypto/bio/b_print.c/#L353
static int _dopr(char **sbuffer, char **buffer, size_t *maxlen, size_t *retlen, int *truncated, const char *format, va_list args) { char ch; int64_t value; LDOUBLE fvalue; char *strvalue; int min; int max; int state; int flags; int cflags; size_t currlen; state = DP_S_DEFAULT; flags = currlen = cflags = min = 0; max = -1; ch = *format++; while (state != DP_S_DONE) { if (ch == '\0' || (buffer == NULL && currlen >= *maxlen)) state = DP_S_DONE; switch (state) { case DP_S_DEFAULT: if (ch == '%') state = DP_S_FLAGS; else if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) return 0; ch = *format++; break; case DP_S_FLAGS: switch (ch) { case '-': flags |= DP_F_MINUS; ch = *format++; break; case '+': flags |= DP_F_PLUS; ch = *format++; break; case ' ': flags |= DP_F_SPACE; ch = *format++; break; case '#': flags |= DP_F_NUM; ch = *format++; break; case '0': flags |= DP_F_ZERO; ch = *format++; break; default: state = DP_S_MIN; break; } break; case DP_S_MIN: if (isdigit((unsigned char)ch)) { min = 10 * min + char_to_int(ch); ch = *format++; } else if (ch == '*') { min = va_arg(args, int); ch = *format++; state = DP_S_DOT; } else state = DP_S_DOT; break; case DP_S_DOT: if (ch == '.') { state = DP_S_MAX; ch = *format++; } else state = DP_S_MOD; break; case DP_S_MAX: if (isdigit((unsigned char)ch)) { if (max < 0) max = 0; max = 10 * max + char_to_int(ch); ch = *format++; } else if (ch == '*') { max = va_arg(args, int); ch = *format++; state = DP_S_MOD; } else state = DP_S_MOD; break; case DP_S_MOD: switch (ch) { case 'h': cflags = DP_C_SHORT; ch = *format++; break; case 'l': if (*format == 'l') { cflags = DP_C_LLONG; format++; } else cflags = DP_C_LONG; ch = *format++; break; case 'q': case 'j': cflags = DP_C_LLONG; ch = *format++; break; case 'L': cflags = DP_C_LDOUBLE; ch = *format++; break; case 'z': cflags = DP_C_SIZE; ch = *format++; break; default: break; } state = DP_S_CONV; break; case DP_S_CONV: switch (ch) { case 'd': case 'i': switch (cflags) { case DP_C_SHORT: value = (short int)va_arg(args, int); break; case DP_C_LONG: value = va_arg(args, long int); break; case DP_C_LLONG: value = va_arg(args, int64_t); break; case DP_C_SIZE: value = va_arg(args, ossl_ssize_t); break; default: value = va_arg(args, int); break; } if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min, max, flags)) return 0; break; case 'X': flags |= DP_F_UP; case 'x': case 'o': case 'u': flags |= DP_F_UNSIGNED; switch (cflags) { case DP_C_SHORT: value = (unsigned short int)va_arg(args, unsigned int); break; case DP_C_LONG: value = va_arg(args, unsigned long int); break; case DP_C_LLONG: value = va_arg(args, uint64_t); break; case DP_C_SIZE: value = va_arg(args, size_t); break; default: value = va_arg(args, unsigned int); break; } if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), min, max, flags)) return 0; break; case 'f': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, F_FORMAT)) return 0; break; case 'E': flags |= DP_F_UP; case 'e': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, E_FORMAT)) return 0; break; case 'G': flags |= DP_F_UP; case 'g': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, G_FORMAT)) return 0; break; case 'c': if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, va_arg(args, int))) return 0; break; case 's': strvalue = va_arg(args, char *); if (max < 0) { if (buffer) max = INT_MAX; else max = *maxlen; } if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue, flags, min, max)) return 0; break; case 'p': value = (size_t)va_arg(args, void *); if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 16, min, max, flags | DP_F_NUM)) return 0; break; case 'n': { int *num; num = va_arg(args, int *); *num = currlen; } break; case '%': if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) return 0; break; case 'w': ch = *format++; break; default: break; } ch = *format++; state = DP_S_DEFAULT; flags = cflags = min = 0; max = -1; break; case DP_S_DONE: break; default: break; } } if (buffer == NULL) { *truncated = (currlen > *maxlen - 1); if (*truncated) currlen = *maxlen - 1; } if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0')) return 0; *retlen = currlen - 1; return 1; }
["char *BN_bn2dec(const BIGNUM *a)\n{\n int i = 0, num, ok = 0;\n char *buf = NULL;\n char *p;\n BIGNUM *t = NULL;\n BN_ULONG *bn_data = NULL, *lp;\n int bn_data_num;\n i = BN_num_bits(a) * 3;\n num = (i / 10 + i / 1000 + 1) + 1;\n bn_data_num = num / BN_DEC_NUM + 1;\n bn_data = OPENSSL_malloc(bn_data_num * sizeof(BN_ULONG));\n buf = OPENSSL_malloc(num + 3);\n if ((buf == NULL) || (bn_data == NULL)) {\n BNerr(BN_F_BN_BN2DEC, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if ((t = BN_dup(a)) == NULL)\n goto err;\n#define BUF_REMAIN (num+3 - (size_t)(p - buf))\n p = buf;\n lp = bn_data;\n if (BN_is_zero(t)) {\n *(p++) = '0';\n *(p++) = '\\0';\n } else {\n if (BN_is_negative(t))\n *p++ = '-';\n while (!BN_is_zero(t)) {\n if (lp - bn_data >= bn_data_num)\n goto err;\n *lp = BN_div_word(t, BN_DEC_CONV);\n if (*lp == (BN_ULONG)-1)\n goto err;\n lp++;\n }\n lp--;\n BIO_snprintf(p, BUF_REMAIN, BN_DEC_FMT1, *lp);\n while (*p)\n p++;\n while (lp != bn_data) {\n lp--;\n BIO_snprintf(p, BUF_REMAIN, BN_DEC_FMT2, *lp);\n while (*p)\n p++;\n }\n }\n ok = 1;\n err:\n OPENSSL_free(bn_data);\n BN_free(t);\n if (ok)\n return buf;\n OPENSSL_free(buf);\n return NULL;\n}", 'int BN_num_bits(const BIGNUM *a)\n{\n int i = a->top - 1;\n bn_check_top(a);\n if (BN_is_zero(a))\n return 0;\n return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'int BIO_snprintf(char *buf, size_t n, const char *format, ...)\n{\n va_list args;\n int ret;\n va_start(args, format);\n ret = BIO_vsnprintf(buf, n, format, args);\n va_end(args);\n return (ret);\n}', 'int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)\n{\n size_t retlen;\n int truncated;\n if(!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args))\n return -1;\n if (truncated)\n return -1;\n else\n return (retlen <= INT_MAX) ? (int)retlen : -1;\n}', "static int\n_dopr(char **sbuffer,\n char **buffer,\n size_t *maxlen,\n size_t *retlen, int *truncated, const char *format, va_list args)\n{\n char ch;\n int64_t value;\n LDOUBLE fvalue;\n char *strvalue;\n int min;\n int max;\n int state;\n int flags;\n int cflags;\n size_t currlen;\n state = DP_S_DEFAULT;\n flags = currlen = cflags = min = 0;\n max = -1;\n ch = *format++;\n while (state != DP_S_DONE) {\n if (ch == '\\0' || (buffer == NULL && currlen >= *maxlen))\n state = DP_S_DONE;\n switch (state) {\n case DP_S_DEFAULT:\n if (ch == '%')\n state = DP_S_FLAGS;\n else\n if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))\n return 0;\n ch = *format++;\n break;\n case DP_S_FLAGS:\n switch (ch) {\n case '-':\n flags |= DP_F_MINUS;\n ch = *format++;\n break;\n case '+':\n flags |= DP_F_PLUS;\n ch = *format++;\n break;\n case ' ':\n flags |= DP_F_SPACE;\n ch = *format++;\n break;\n case '#':\n flags |= DP_F_NUM;\n ch = *format++;\n break;\n case '0':\n flags |= DP_F_ZERO;\n ch = *format++;\n break;\n default:\n state = DP_S_MIN;\n break;\n }\n break;\n case DP_S_MIN:\n if (isdigit((unsigned char)ch)) {\n min = 10 * min + char_to_int(ch);\n ch = *format++;\n } else if (ch == '*') {\n min = va_arg(args, int);\n ch = *format++;\n state = DP_S_DOT;\n } else\n state = DP_S_DOT;\n break;\n case DP_S_DOT:\n if (ch == '.') {\n state = DP_S_MAX;\n ch = *format++;\n } else\n state = DP_S_MOD;\n break;\n case DP_S_MAX:\n if (isdigit((unsigned char)ch)) {\n if (max < 0)\n max = 0;\n max = 10 * max + char_to_int(ch);\n ch = *format++;\n } else if (ch == '*') {\n max = va_arg(args, int);\n ch = *format++;\n state = DP_S_MOD;\n } else\n state = DP_S_MOD;\n break;\n case DP_S_MOD:\n switch (ch) {\n case 'h':\n cflags = DP_C_SHORT;\n ch = *format++;\n break;\n case 'l':\n if (*format == 'l') {\n cflags = DP_C_LLONG;\n format++;\n } else\n cflags = DP_C_LONG;\n ch = *format++;\n break;\n case 'q':\n case 'j':\n cflags = DP_C_LLONG;\n ch = *format++;\n break;\n case 'L':\n cflags = DP_C_LDOUBLE;\n ch = *format++;\n break;\n case 'z':\n cflags = DP_C_SIZE;\n ch = *format++;\n break;\n default:\n break;\n }\n state = DP_S_CONV;\n break;\n case DP_S_CONV:\n switch (ch) {\n case 'd':\n case 'i':\n switch (cflags) {\n case DP_C_SHORT:\n value = (short int)va_arg(args, int);\n break;\n case DP_C_LONG:\n value = va_arg(args, long int);\n break;\n case DP_C_LLONG:\n value = va_arg(args, int64_t);\n break;\n case DP_C_SIZE:\n value = va_arg(args, ossl_ssize_t);\n break;\n default:\n value = va_arg(args, int);\n break;\n }\n if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min,\n max, flags))\n return 0;\n break;\n case 'X':\n flags |= DP_F_UP;\n case 'x':\n case 'o':\n case 'u':\n flags |= DP_F_UNSIGNED;\n switch (cflags) {\n case DP_C_SHORT:\n value = (unsigned short int)va_arg(args, unsigned int);\n break;\n case DP_C_LONG:\n value = va_arg(args, unsigned long int);\n break;\n case DP_C_LLONG:\n value = va_arg(args, uint64_t);\n break;\n case DP_C_SIZE:\n value = va_arg(args, size_t);\n break;\n default:\n value = va_arg(args, unsigned int);\n break;\n }\n if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,\n ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),\n min, max, flags))\n return 0;\n break;\n case 'f':\n if (cflags == DP_C_LDOUBLE)\n fvalue = va_arg(args, LDOUBLE);\n else\n fvalue = va_arg(args, double);\n if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,\n flags, F_FORMAT))\n return 0;\n break;\n case 'E':\n flags |= DP_F_UP;\n case 'e':\n if (cflags == DP_C_LDOUBLE)\n fvalue = va_arg(args, LDOUBLE);\n else\n fvalue = va_arg(args, double);\n if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,\n flags, E_FORMAT))\n return 0;\n break;\n case 'G':\n flags |= DP_F_UP;\n case 'g':\n if (cflags == DP_C_LDOUBLE)\n fvalue = va_arg(args, LDOUBLE);\n else\n fvalue = va_arg(args, double);\n if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,\n flags, G_FORMAT))\n return 0;\n break;\n case 'c':\n if(!doapr_outch(sbuffer, buffer, &currlen, maxlen,\n va_arg(args, int)))\n return 0;\n break;\n case 's':\n strvalue = va_arg(args, char *);\n if (max < 0) {\n if (buffer)\n max = INT_MAX;\n else\n max = *maxlen;\n }\n if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,\n flags, min, max))\n return 0;\n break;\n case 'p':\n value = (size_t)va_arg(args, void *);\n if (!fmtint(sbuffer, buffer, &currlen, maxlen,\n value, 16, min, max, flags | DP_F_NUM))\n return 0;\n break;\n case 'n':\n {\n int *num;\n num = va_arg(args, int *);\n *num = currlen;\n }\n break;\n case '%':\n if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))\n return 0;\n break;\n case 'w':\n ch = *format++;\n break;\n default:\n break;\n }\n ch = *format++;\n state = DP_S_DEFAULT;\n flags = cflags = min = 0;\n max = -1;\n break;\n case DP_S_DONE:\n break;\n default:\n break;\n }\n }\n if (buffer == NULL) {\n *truncated = (currlen > *maxlen - 1);\n if (*truncated)\n currlen = *maxlen - 1;\n }\n if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\\0'))\n return 0;\n *retlen = currlen - 1;\n return 1;\n}"]
5,770
0
https://github.com/openssl/openssl/blob/4882171df5ba7cb8735b685478a008df25eef47a/crypto/bn/bn_print.c/#L197
int BN_hex2bn(BIGNUM **bn, const char *a) { BIGNUM *ret=NULL; BN_ULONG l=0; int neg=0,h,m,i,j,k,c; int num; if ((a == NULL) || (*a == '\0')) return(0); if (*a == '-') { neg=1; a++; } for (i=0; isxdigit((unsigned char) a[i]); i++) ; num=i+neg; if (bn == NULL) return(num); if (*bn == NULL) { if ((ret=BN_new()) == NULL) return(0); } else { ret= *bn; BN_zero(ret); } if (bn_expand(ret,i*4) == NULL) goto err; j=i; m=0; h=0; while (j > 0) { m=((BN_BYTES*2) <= j)?(BN_BYTES*2):j; l=0; for (;;) { c=a[j-m]; if ((c >= '0') && (c <= '9')) k=c-'0'; else if ((c >= 'a') && (c <= 'f')) k=c-'a'+10; else if ((c >= 'A') && (c <= 'F')) k=c-'A'+10; else k=0; l=(l<<4)|k; if (--m <= 0) { ret->d[h++]=l; break; } } j-=(BN_BYTES*2); } ret->top=h; bn_fix_top(ret); ret->neg=neg; *bn=ret; return(num); err: if (*bn == NULL) BN_free(ret); return(0); }
['EC_GROUP *EC_GROUP_new_by_name(int name)\n\t{\n\tEC_GROUP *ret = NULL;\n\tswitch (name)\n\t\t{\n\tcase EC_GROUP_NO_CURVE:\n\t\treturn NULL;\n\tcase EC_GROUP_NIST_PRIME_224:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_224);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_384:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_384);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_521:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_521);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_192:\n\tcase EC_GROUP_X9_62_PRIME_192V1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_NIST_PRIME_192);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_192V2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_192V2);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_192V3:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_192V3);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_239V1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_239V1);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_239V2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_239V2);\n\t\tbreak;\n\tcase EC_GROUP_X9_62_PRIME_239V3:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_239V3);\n\t\tbreak;\n\tcase EC_GROUP_NIST_PRIME_256:\n\tcase EC_GROUP_X9_62_PRIME_256V1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_X9_62_PRIME_256V1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_112R1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_112R1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_112R2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_112R2);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_128R1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_128R1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_128R2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_128R2);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_160K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_160K1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_160R1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_160R1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_160R2:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_160R2);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_192K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_192K1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_224K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_224K1);\n\t\tbreak;\n\tcase EC_GROUP_SECG_PRIME_256K1:\n\t\tret = ec_group_new_GFp_from_hex(_EC_GROUP_SECG_PRIME_256K1);\n\t\tbreak;\n\t\t}\n\tif (ret == NULL)\n\t\t{\n\t\tECerr(EC_F_EC_GROUP_NEW_BY_NAME, EC_R_UNKNOWN_GROUP);\n\t\treturn NULL;\n\t\t}\n\tEC_GROUP_set_nid(ret, name);\n\treturn ret;\n\t}', 'static EC_GROUP *ec_group_new_GFp_from_hex(const char *prime_in,\n\t const char *a_in, const char *b_in,\n\t const char *x_in, const int y_bit, const char *order_in, const BN_ULONG cofac_in)\n\t{\n\tEC_GROUP *group=NULL;\n\tEC_POINT *P=NULL;\n\tBN_CTX\t *ctx=NULL;\n\tBIGNUM \t *prime=NULL,*a=NULL,*b=NULL,*x=NULL,*order=NULL;\n\tint\t ok=0;\n\tif ((ctx = BN_CTX_new()) == NULL) goto bn_err;\n\tif ((prime = BN_new()) == NULL || (a = BN_new()) == NULL || (b = BN_new()) == NULL ||\n\t\t(x = BN_new()) == NULL || (order = BN_new()) == NULL) goto bn_err;\n\tif (!BN_hex2bn(&prime, prime_in)) goto bn_err;\n\tif (!BN_hex2bn(&a, a_in)) goto bn_err;\n\tif (!BN_hex2bn(&b, b_in)) goto bn_err;\n\tif ((group = EC_GROUP_new_curve_GFp(prime, a, b, ctx)) == NULL) goto err;\n\tif ((P = EC_POINT_new(group)) == NULL) goto err;\n\tif (!BN_hex2bn(&x, x_in)) goto bn_err;\n\tif (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, y_bit, ctx)) goto err;\n\tif (!BN_hex2bn(&order, order_in)) goto bn_err;\n\tif (!BN_set_word(x, cofac_in)) goto bn_err;\n\tif (!EC_GROUP_set_generator(group, P, order, x)) goto err;\n\tok=1;\nbn_err:\n\tif (!ok)\n\t\tECerr(EC_F_EC_GROUP_NEW_GFP_FROM_HEX, ERR_R_BN_LIB);\nerr:\n\tif (!ok)\n\t\t{\n\t\tEC_GROUP_free(group);\n\t\tgroup = NULL;\n\t\t}\n\tif (P) \t EC_POINT_free(P);\n\tif (ctx) BN_CTX_free(ctx);\n\tif (prime) BN_free(prime);\n\tif (a) BN_free(a);\n\tif (b) BN_free(b);\n\tif (order) BN_free(order);\n\tif (x) BN_free(x);\n\treturn(group);\n\t}', "int BN_hex2bn(BIGNUM **bn, const char *a)\n\t{\n\tBIGNUM *ret=NULL;\n\tBN_ULONG l=0;\n\tint neg=0,h,m,i,j,k,c;\n\tint num;\n\tif ((a == NULL) || (*a == '\\0')) return(0);\n\tif (*a == '-') { neg=1; a++; }\n\tfor (i=0; isxdigit((unsigned char) a[i]); i++)\n\t\t;\n\tnum=i+neg;\n\tif (bn == NULL) return(num);\n\tif (*bn == NULL)\n\t\t{\n\t\tif ((ret=BN_new()) == NULL) return(0);\n\t\t}\n\telse\n\t\t{\n\t\tret= *bn;\n\t\tBN_zero(ret);\n\t\t}\n\tif (bn_expand(ret,i*4) == NULL) goto err;\n\tj=i;\n\tm=0;\n\th=0;\n\twhile (j > 0)\n\t\t{\n\t\tm=((BN_BYTES*2) <= j)?(BN_BYTES*2):j;\n\t\tl=0;\n\t\tfor (;;)\n\t\t\t{\n\t\t\tc=a[j-m];\n\t\t\tif ((c >= '0') && (c <= '9')) k=c-'0';\n\t\t\telse if ((c >= 'a') && (c <= 'f')) k=c-'a'+10;\n\t\t\telse if ((c >= 'A') && (c <= 'F')) k=c-'A'+10;\n\t\t\telse k=0;\n\t\t\tl=(l<<4)|k;\n\t\t\tif (--m <= 0)\n\t\t\t\t{\n\t\t\t\tret->d[h++]=l;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\tj-=(BN_BYTES*2);\n\t\t}\n\tret->top=h;\n\tbn_fix_top(ret);\n\tret->neg=neg;\n\t*bn=ret;\n\treturn(num);\nerr:\n\tif (*bn == NULL) BN_free(ret);\n\treturn(0);\n\t}"]
5,771
0
https://github.com/openssl/openssl/blob/6c2c3e9ba9146ef8c9b1fd2b660357b657706969/crypto/x509/x509_cmp.c/#L267
int X509_check_private_key(X509 *x, EVP_PKEY *k) { EVP_PKEY *xk=NULL; int ok=0; xk=X509_get_pubkey(x); if (xk->type != k->type) { X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH); goto err; } switch (k->type) { #ifndef NO_RSA case EVP_PKEY_RSA: if (BN_cmp(xk->pkey.rsa->n,k->pkey.rsa->n) != 0 || BN_cmp(xk->pkey.rsa->e,k->pkey.rsa->e) != 0) { X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH); goto err; } break; #endif #ifndef NO_DSA case EVP_PKEY_DSA: if (BN_cmp(xk->pkey.dsa->pub_key,k->pkey.dsa->pub_key) != 0) { X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH); goto err; } break; #endif #ifndef NO_DH case EVP_PKEY_DH: X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY); goto err; #endif default: X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE); goto err; } ok=1; err: EVP_PKEY_free(xk); return(ok); }
['int X509_check_private_key(X509 *x, EVP_PKEY *k)\n\t{\n\tEVP_PKEY *xk=NULL;\n\tint ok=0;\n\txk=X509_get_pubkey(x);\n\tif (xk->type != k->type)\n\t {\n\t X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);\n\t goto err;\n\t }\n\tswitch (k->type)\n\t\t{\n#ifndef NO_RSA\n\tcase EVP_PKEY_RSA:\n\t\tif (BN_cmp(xk->pkey.rsa->n,k->pkey.rsa->n) != 0\n\t\t || BN_cmp(xk->pkey.rsa->e,k->pkey.rsa->e) != 0)\n\t\t {\n\t\t X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);\n\t\t goto err;\n\t\t }\n\t\tbreak;\n#endif\n#ifndef NO_DSA\n\tcase EVP_PKEY_DSA:\n\t\tif (BN_cmp(xk->pkey.dsa->pub_key,k->pkey.dsa->pub_key) != 0)\n\t\t {\n\t\t X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);\n\t\t goto err;\n\t\t }\n\t\tbreak;\n#endif\n#ifndef NO_DH\n\tcase EVP_PKEY_DH:\n\t X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY);\n\t\tgoto err;\n#endif\n\tdefault:\n\t X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);\n\t\tgoto err;\n\t\t}\n\tok=1;\nerr:\n\tEVP_PKEY_free(xk);\n\treturn(ok);\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}']
5,772
0
https://github.com/libav/libav/blob/d46d87d1d3de41758b08c045d4b20f4b16ad21de/libavcodec/mpegvideo_enc.c/#L1116
static int estimate_best_b_count(MpegEncContext *s) { AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id); AVCodecContext *c = avcodec_alloc_context3(NULL); AVFrame input[FF_MAX_B_FRAMES + 2]; const int scale = s->avctx->brd_scale; int i, j, out_size, p_lambda, b_lambda, lambda2; int64_t best_rd = INT64_MAX; int best_b_count = -1; assert(scale >= 0 && scale <= 3); p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P]; b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B]; if (!b_lambda) b_lambda = p_lambda; lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >> FF_LAMBDA_SHIFT; c->width = s->width >> scale; c->height = s->height >> scale; c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED ; c->flags |= s->avctx->flags & CODEC_FLAG_QPEL; c->mb_decision = s->avctx->mb_decision; c->me_cmp = s->avctx->me_cmp; c->mb_cmp = s->avctx->mb_cmp; c->me_sub_cmp = s->avctx->me_sub_cmp; c->pix_fmt = AV_PIX_FMT_YUV420P; c->time_base = s->avctx->time_base; c->max_b_frames = s->max_b_frames; if (avcodec_open2(c, codec, NULL) < 0) return -1; for (i = 0; i < s->max_b_frames + 2; i++) { int ysize = c->width * c->height; int csize = (c->width / 2) * (c->height / 2); Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] : s->next_picture_ptr; avcodec_get_frame_defaults(&input[i]); input[i].data[0] = av_malloc(ysize + 2 * csize); input[i].data[1] = input[i].data[0] + ysize; input[i].data[2] = input[i].data[1] + csize; input[i].linesize[0] = c->width; input[i].linesize[1] = input[i].linesize[2] = c->width / 2; if (pre_input_ptr && (!i || s->input_picture[i - 1])) { pre_input = *pre_input_ptr; if (pre_input.f.type != FF_BUFFER_TYPE_SHARED && i) { pre_input.f.data[0] += INPLACE_OFFSET; pre_input.f.data[1] += INPLACE_OFFSET; pre_input.f.data[2] += INPLACE_OFFSET; } s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.f.data[0], pre_input.f.linesize[0], c->width, c->height); s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.f.data[1], pre_input.f.linesize[1], c->width >> 1, c->height >> 1); s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.f.data[2], pre_input.f.linesize[2], c->width >> 1, c->height >> 1); } } for (j = 0; j < s->max_b_frames + 1; j++) { int64_t rd = 0; if (!s->input_picture[j]) break; c->error[0] = c->error[1] = c->error[2] = 0; input[0].pict_type = AV_PICTURE_TYPE_I; input[0].quality = 1 * FF_QP2LAMBDA; out_size = encode_frame(c, &input[0]); for (i = 0; i < s->max_b_frames + 1; i++) { int is_p = i % (j + 1) == j || i == s->max_b_frames; input[i + 1].pict_type = is_p ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B; input[i + 1].quality = is_p ? p_lambda : b_lambda; out_size = encode_frame(c, &input[i + 1]); rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); } while (out_size) { out_size = encode_frame(c, NULL); rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); } rd += c->error[0] + c->error[1] + c->error[2]; if (rd < best_rd) { best_rd = rd; best_b_count = j; } } avcodec_close(c); av_freep(&c); for (i = 0; i < s->max_b_frames + 2; i++) { av_freep(&input[i].data[0]); } return best_b_count; }
['static int estimate_best_b_count(MpegEncContext *s)\n{\n AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);\n AVCodecContext *c = avcodec_alloc_context3(NULL);\n AVFrame input[FF_MAX_B_FRAMES + 2];\n const int scale = s->avctx->brd_scale;\n int i, j, out_size, p_lambda, b_lambda, lambda2;\n int64_t best_rd = INT64_MAX;\n int best_b_count = -1;\n assert(scale >= 0 && scale <= 3);\n p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P];\n b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B];\n if (!b_lambda)\n b_lambda = p_lambda;\n lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >>\n FF_LAMBDA_SHIFT;\n c->width = s->width >> scale;\n c->height = s->height >> scale;\n c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR |\n CODEC_FLAG_INPUT_PRESERVED ;\n c->flags |= s->avctx->flags & CODEC_FLAG_QPEL;\n c->mb_decision = s->avctx->mb_decision;\n c->me_cmp = s->avctx->me_cmp;\n c->mb_cmp = s->avctx->mb_cmp;\n c->me_sub_cmp = s->avctx->me_sub_cmp;\n c->pix_fmt = AV_PIX_FMT_YUV420P;\n c->time_base = s->avctx->time_base;\n c->max_b_frames = s->max_b_frames;\n if (avcodec_open2(c, codec, NULL) < 0)\n return -1;\n for (i = 0; i < s->max_b_frames + 2; i++) {\n int ysize = c->width * c->height;\n int csize = (c->width / 2) * (c->height / 2);\n Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] :\n s->next_picture_ptr;\n avcodec_get_frame_defaults(&input[i]);\n input[i].data[0] = av_malloc(ysize + 2 * csize);\n input[i].data[1] = input[i].data[0] + ysize;\n input[i].data[2] = input[i].data[1] + csize;\n input[i].linesize[0] = c->width;\n input[i].linesize[1] =\n input[i].linesize[2] = c->width / 2;\n if (pre_input_ptr && (!i || s->input_picture[i - 1])) {\n pre_input = *pre_input_ptr;\n if (pre_input.f.type != FF_BUFFER_TYPE_SHARED && i) {\n pre_input.f.data[0] += INPLACE_OFFSET;\n pre_input.f.data[1] += INPLACE_OFFSET;\n pre_input.f.data[2] += INPLACE_OFFSET;\n }\n s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0],\n pre_input.f.data[0], pre_input.f.linesize[0],\n c->width, c->height);\n s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1],\n pre_input.f.data[1], pre_input.f.linesize[1],\n c->width >> 1, c->height >> 1);\n s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2],\n pre_input.f.data[2], pre_input.f.linesize[2],\n c->width >> 1, c->height >> 1);\n }\n }\n for (j = 0; j < s->max_b_frames + 1; j++) {\n int64_t rd = 0;\n if (!s->input_picture[j])\n break;\n c->error[0] = c->error[1] = c->error[2] = 0;\n input[0].pict_type = AV_PICTURE_TYPE_I;\n input[0].quality = 1 * FF_QP2LAMBDA;\n out_size = encode_frame(c, &input[0]);\n for (i = 0; i < s->max_b_frames + 1; i++) {\n int is_p = i % (j + 1) == j || i == s->max_b_frames;\n input[i + 1].pict_type = is_p ?\n AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;\n input[i + 1].quality = is_p ? p_lambda : b_lambda;\n out_size = encode_frame(c, &input[i + 1]);\n rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);\n }\n while (out_size) {\n out_size = encode_frame(c, NULL);\n rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);\n }\n rd += c->error[0] + c->error[1] + c->error[2];\n if (rd < best_rd) {\n best_rd = rd;\n best_b_count = j;\n }\n }\n avcodec_close(c);\n av_freep(&c);\n for (i = 0; i < s->max_b_frames + 2; i++) {\n av_freep(&input[i].data[0]);\n }\n return best_b_count;\n}', 'AVCodec *avcodec_find_encoder(enum AVCodecID id)\n{\n return find_encdec(id, 1);\n}', 'AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)\n{\n AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));\n if(avctx==NULL) return NULL;\n if(avcodec_get_context_defaults3(avctx, codec) < 0){\n av_free(avctx);\n return NULL;\n }\n return avctx;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if (size > (INT_MAX - 32) || !size)\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size + 32);\n if (!ptr)\n return ptr;\n diff = ((-(long)ptr - 1) & 31) + 1;\n ptr = (char *)ptr + diff;\n ((char *)ptr)[-1] = diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr, 32, size))\n ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n ptr = memalign(32, size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}']
5,773
0
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L405
static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){ const int lt= src[-1-1*stride]; LOAD_TOP_EDGE LOAD_LEFT_EDGE src[0+0*stride]= src[2+1*stride]=(lt + l0 + 1)>>1; src[1+0*stride]= src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2; src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2; src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2; src[0+1*stride]= src[2+2*stride]=(l0 + l1 + 1)>>1; src[1+1*stride]= src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2; src[0+2*stride]= src[2+3*stride]=(l1 + l2+ 1)>>1; src[1+2*stride]= src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2; src[0+3*stride]=(l2 + l3 + 1)>>1; src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2; }
['static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){\n const int lt= src[-1-1*stride];\n LOAD_TOP_EDGE\n LOAD_LEFT_EDGE\n src[0+0*stride]=\n src[2+1*stride]=(lt + l0 + 1)>>1;\n src[1+0*stride]=\n src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;\n src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;\n src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;\n src[0+1*stride]=\n src[2+2*stride]=(l0 + l1 + 1)>>1;\n src[1+1*stride]=\n src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;\n src[0+2*stride]=\n src[2+3*stride]=(l1 + l2+ 1)>>1;\n src[1+2*stride]=\n src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;\n src[0+3*stride]=(l2 + l3 + 1)>>1;\n src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;\n}']
5,774
0
https://github.com/libav/libav/blob/a519463366238a7ec05d2bb76c4a67f42cf60ece/libavutil/avstring.c/#L88
size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...) { int len = strlen(dst); va_list vl; va_start(vl, fmt); len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl); va_end(vl); return len; }
['static int rtsp_read_announce(AVFormatContext *s)\n{\n RTSPState *rt = s->priv_data;\n RTSPMessageHeader request = { 0 };\n char sdp[4096];\n int ret;\n ret = rtsp_read_request(s, &request, "ANNOUNCE");\n if (ret)\n return ret;\n rt->seq++;\n if (strcmp(request.content_type, "application/sdp")) {\n av_log(s, AV_LOG_ERROR, "Unexpected content type %s\\n",\n request.content_type);\n rtsp_send_reply(s, RTSP_STATUS_SERVICE, NULL, request.seq);\n return AVERROR_OPTION_NOT_FOUND;\n }\n if (request.content_length && request.content_length < sizeof(sdp) - 1) {\n if (ffurl_read_complete(rt->rtsp_hd, sdp, request.content_length)\n < request.content_length) {\n av_log(s, AV_LOG_ERROR,\n "Unable to get complete SDP Description in ANNOUNCE\\n");\n rtsp_send_reply(s, RTSP_STATUS_INTERNAL, NULL, request.seq);\n return AVERROR(EIO);\n }\n sdp[request.content_length] = \'\\0\';\n av_log(s, AV_LOG_VERBOSE, "SDP: %s\\n", sdp);\n ret = ff_sdp_parse(s, sdp);\n if (ret)\n return ret;\n rtsp_send_reply(s, RTSP_STATUS_OK, NULL, request.seq);\n return 0;\n }\n av_log(s, AV_LOG_ERROR,\n "Content-Length header value exceeds sdp allocated buffer (4KB)\\n");\n rtsp_send_reply(s, RTSP_STATUS_INTERNAL,\n "Content-Length exceeds buffer size", request.seq);\n return AVERROR(EIO);\n}', 'static int rtsp_send_reply(AVFormatContext *s, enum RTSPStatusCode code,\n const char *extracontent, uint16_t seq)\n{\n RTSPState *rt = s->priv_data;\n char message[4096];\n int index = 0;\n while (status_messages[index].code) {\n if (status_messages[index].code == code) {\n snprintf(message, sizeof(message), "RTSP/1.0 %d %s\\r\\n",\n code, status_messages[index].message);\n break;\n }\n index++;\n }\n if (!status_messages[index].code)\n return AVERROR(EINVAL);\n av_strlcatf(message, sizeof(message), "CSeq: %d\\r\\n", seq);\n av_strlcatf(message, sizeof(message), "Server: %s\\r\\n", LIBAVFORMAT_IDENT);\n if (extracontent)\n av_strlcat(message, extracontent, sizeof(message));\n av_strlcat(message, "\\r\\n", sizeof(message));\n av_dlog(s, "Sending response:\\n%s", message);\n ffurl_write(rt->rtsp_hd, message, strlen(message));\n return 0;\n}', 'size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)\n{\n int len = strlen(dst);\n va_list vl;\n va_start(vl, fmt);\n len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl);\n va_end(vl);\n return len;\n}']
5,775
0
https://github.com/libav/libav/blob/490a022d86ef1c506a79744c5a95368af356fc69/libavformat/matroskaenc.c/#L366
static int mkv_add_cuepoint(mkv_cues *cues, int stream, int64_t ts, int64_t cluster_pos) { mkv_cuepoint *entries = cues->entries; entries = av_realloc(entries, (cues->num_entries + 1) * sizeof(mkv_cuepoint)); if (entries == NULL) return AVERROR(ENOMEM); if (ts < 0) return 0; entries[cues->num_entries ].pts = ts; entries[cues->num_entries ].tracknum = stream + 1; entries[cues->num_entries++].cluster_pos = cluster_pos - cues->segment_offset; cues->entries = entries; return 0; }
['static int mkv_add_cuepoint(mkv_cues *cues, int stream, int64_t ts, int64_t cluster_pos)\n{\n mkv_cuepoint *entries = cues->entries;\n entries = av_realloc(entries, (cues->num_entries + 1) * sizeof(mkv_cuepoint));\n if (entries == NULL)\n return AVERROR(ENOMEM);\n if (ts < 0)\n return 0;\n entries[cues->num_entries ].pts = ts;\n entries[cues->num_entries ].tracknum = stream + 1;\n entries[cues->num_entries++].cluster_pos = cluster_pos - cues->segment_offset;\n cues->entries = entries;\n return 0;\n}', 'void *av_realloc(void *ptr, size_t size)\n{\n#if CONFIG_MEMALIGN_HACK\n int diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n if(!ptr) return av_malloc(size);\n diff= ((char*)ptr)[-1];\n return (char*)realloc((char*)ptr - diff, size + diff) + diff;\n#else\n return realloc(ptr, size);\n#endif\n}']
5,776
0
https://github.com/libav/libav/blob/67ce33162aa93bee1a5f9e8d6f00060329fa67da/ffserver.c/#L3365
static void build_file_streams(void) { FFStream *stream, *stream_next; AVFormatContext *infile; int i, ret; for(stream = first_stream; stream != NULL; stream = stream_next) { stream_next = stream->next; if (stream->stream_type == STREAM_TYPE_LIVE && !stream->feed) { stream->ap_in = av_mallocz(sizeof(AVFormatParameters)); if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) { stream->ap_in->mpeg2ts_raw = 1; stream->ap_in->mpeg2ts_compute_pcr = 1; } if ((ret = av_open_input_file(&infile, stream->feed_filename, stream->ifmt, 0, stream->ap_in)) < 0) { http_log("could not open %s: %d\n", stream->feed_filename, ret); fail: remove_stream(stream); } else { if (av_find_stream_info(infile) < 0) { http_log("Could not find codec parameters from '%s'\n", stream->feed_filename); av_close_input_file(infile); goto fail; } extract_mpeg4_header(infile); for(i=0;i<infile->nb_streams;i++) add_av_stream1(stream, infile->streams[i]->codec); av_close_input_file(infile); } } } }
['static void build_file_streams(void)\n{\n FFStream *stream, *stream_next;\n AVFormatContext *infile;\n int i, ret;\n for(stream = first_stream; stream != NULL; stream = stream_next) {\n stream_next = stream->next;\n if (stream->stream_type == STREAM_TYPE_LIVE &&\n !stream->feed) {\n stream->ap_in = av_mallocz(sizeof(AVFormatParameters));\n if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {\n stream->ap_in->mpeg2ts_raw = 1;\n stream->ap_in->mpeg2ts_compute_pcr = 1;\n }\n if ((ret = av_open_input_file(&infile, stream->feed_filename,\n stream->ifmt, 0, stream->ap_in)) < 0) {\n http_log("could not open %s: %d\\n", stream->feed_filename, ret);\n fail:\n remove_stream(stream);\n } else {\n if (av_find_stream_info(infile) < 0) {\n http_log("Could not find codec parameters from \'%s\'\\n",\n stream->feed_filename);\n av_close_input_file(infile);\n goto fail;\n }\n extract_mpeg4_header(infile);\n for(i=0;i<infile->nb_streams;i++)\n add_av_stream1(stream, infile->streams[i]->codec);\n av_close_input_file(infile);\n }\n }\n }\n}', 'void *av_mallocz(unsigned int size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr;\n#ifdef CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#ifdef CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif defined (HAVE_MEMALIGN)\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}', 'int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,\n AVInputFormat *fmt,\n int buf_size,\n AVFormatParameters *ap)\n{\n int err, probe_size;\n AVProbeData probe_data, *pd = &probe_data;\n ByteIOContext *pb = NULL;\n pd->filename = "";\n if (filename)\n pd->filename = filename;\n pd->buf = NULL;\n pd->buf_size = 0;\n if (!fmt) {\n fmt = av_probe_input_format(pd, 0);\n }\n if (!fmt || !(fmt->flags & AVFMT_NOFILE)) {\n if ((err=url_fopen(&pb, filename, URL_RDONLY)) < 0) {\n goto fail;\n }\n if (buf_size > 0) {\n url_setbufsize(pb, buf_size);\n }\n for(probe_size= PROBE_BUF_MIN; probe_size<=PROBE_BUF_MAX && !fmt; probe_size<<=1){\n int score= probe_size < PROBE_BUF_MAX ? AVPROBE_SCORE_MAX/4 : 0;\n pd->buf= av_realloc(pd->buf, probe_size + AVPROBE_PADDING_SIZE);\n pd->buf_size = get_buffer(pb, pd->buf, probe_size);\n memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);\n if (url_fseek(pb, 0, SEEK_SET) < 0) {\n url_fclose(pb);\n if (url_fopen(&pb, filename, URL_RDONLY) < 0) {\n pb = NULL;\n err = AVERROR(EIO);\n goto fail;\n }\n }\n fmt = av_probe_input_format2(pd, 1, &score);\n }\n av_freep(&pd->buf);\n }\n if (!fmt) {\n err = AVERROR_NOFMT;\n goto fail;\n }\n if (fmt->flags & AVFMT_NEEDNUMBER) {\n if (!av_filename_number_test(filename)) {\n err = AVERROR_NUMEXPECTED;\n goto fail;\n }\n }\n err = av_open_input_stream(ic_ptr, pb, filename, fmt, ap);\n if (err)\n goto fail;\n return 0;\n fail:\n av_freep(&pd->buf);\n if (pb)\n url_fclose(pb);\n *ic_ptr = NULL;\n return err;\n}', 'int url_fopen(ByteIOContext **s, const char *filename, int flags)\n{\n URLContext *h;\n int err;\n err = url_open(&h, filename, flags);\n if (err < 0)\n return err;\n err = url_fdopen(s, h);\n if (err < 0) {\n url_close(h);\n return err;\n }\n return 0;\n}', 'void av_freep(void *arg)\n{\n void **ptr= (void**)arg;\n av_free(*ptr);\n *ptr = NULL;\n}', 'void av_free(void *ptr)\n{\n if (ptr)\n#ifdef CONFIG_MEMALIGN_HACK\n free((char*)ptr - ((char*)ptr)[-1]);\n#else\n free(ptr);\n#endif\n}', 'void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)\n{\n va_list vargs;\n va_start(vargs, fmt);\n http_vlog(fmt, vargs);\n va_end(vargs);\n}', 'static void http_vlog(const char *fmt, va_list vargs)\n{\n static int print_prefix = 1;\n if (logfile) {\n if (print_prefix) {\n char buf[32];\n ctime1(buf);\n fprintf(logfile, "%s ", buf);\n }\n print_prefix = strstr(fmt, "\\n") != NULL;\n vfprintf(logfile, fmt, vargs);\n fflush(logfile);\n }\n}']
5,777
0
https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/bitstream.h/#L139
static inline uint64_t get_val(BitstreamContext *bc, unsigned n) { #ifdef BITSTREAM_READER_LE uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1); bc->bits >>= n; #else uint64_t ret = bc->bits >> (64 - n); bc->bits <<= n; #endif bc->bits_left -= n; return ret; }
['static int read_sl_header(PESContext *pes, SLConfigDescr *sl,\n const uint8_t *buf, int buf_size)\n{\n BitstreamContext bc;\n int au_start_flag = 0, au_end_flag = 0, ocr_flag = 0, idle_flag = 0;\n int padding_flag = 0, padding_bits = 0, inst_bitrate_flag = 0;\n int dts_flag = -1, cts_flag = -1;\n int64_t dts = AV_NOPTS_VALUE, cts = AV_NOPTS_VALUE;\n bitstream_init8(&bc, buf, buf_size);\n if (sl->use_au_start)\n au_start_flag = bitstream_read_bit(&bc);\n if (sl->use_au_end)\n au_end_flag = bitstream_read_bit(&bc);\n if (!sl->use_au_start && !sl->use_au_end)\n au_start_flag = au_end_flag = 1;\n if (sl->ocr_len > 0)\n ocr_flag = bitstream_read_bit(&bc);\n if (sl->use_idle)\n idle_flag = bitstream_read_bit(&bc);\n if (sl->use_padding)\n padding_flag = bitstream_read_bit(&bc);\n if (padding_flag)\n padding_bits = bitstream_read(&bc, 3);\n if (!idle_flag && (!padding_flag || padding_bits != 0)) {\n if (sl->packet_seq_num_len)\n bitstream_skip(&bc, sl->packet_seq_num_len);\n if (sl->degr_prior_len)\n if (bitstream_read_bit(&bc))\n bitstream_skip(&bc, sl->degr_prior_len);\n if (ocr_flag)\n bitstream_skip(&bc, sl->ocr_len);\n if (au_start_flag) {\n if (sl->use_rand_acc_pt)\n bitstream_read_bit(&bc);\n if (sl->au_seq_num_len > 0)\n bitstream_skip(&bc, sl->au_seq_num_len);\n if (sl->use_timestamps) {\n dts_flag = bitstream_read_bit(&bc);\n cts_flag = bitstream_read_bit(&bc);\n }\n }\n if (sl->inst_bitrate_len)\n inst_bitrate_flag = bitstream_read_bit(&bc);\n if (dts_flag == 1)\n dts = bitstream_read_63(&bc, sl->timestamp_len);\n if (cts_flag == 1)\n cts = bitstream_read_63(&bc, sl->timestamp_len);\n if (sl->au_len > 0)\n bitstream_skip(&bc, sl->au_len);\n if (inst_bitrate_flag)\n bitstream_skip(&bc, sl->inst_bitrate_len);\n }\n if (dts != AV_NOPTS_VALUE)\n pes->dts = dts;\n if (cts != AV_NOPTS_VALUE)\n pes->pts = cts;\n if (sl->timestamp_len && sl->timestamp_res)\n avpriv_set_pts_info(pes->st, sl->timestamp_len, 1, sl->timestamp_res);\n return (bitstream_tell(&bc) + 7) >> 3;\n}', 'static inline int bitstream_init8(BitstreamContext *bc, const uint8_t *buffer,\n unsigned byte_size)\n{\n if (byte_size > INT_MAX / 8)\n return AVERROR_INVALIDDATA;\n return bitstream_init(bc, buffer, byte_size * 8);\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n if (!bc->bits_left)\n refill_64(bc);\n return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}']
5,778
0
https://github.com/openssl/openssl/blob/1fac96e4d6484a517f2ebe99b72016726391723c/crypto/bn/bn_asm.c/#L404
BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n) { BN_ULONG t1,t2; int c=0; bn_check_num(n); if (n <= 0) return((BN_ULONG)0); for (;;) { t1=a[0]; t2=b[0]; r[0]=(t1-t2-c)&BN_MASK2; if (t1 != t2) c=(t1 < t2); if (--n <= 0) break; t1=a[1]; t2=b[1]; r[1]=(t1-t2-c)&BN_MASK2; if (t1 != t2) c=(t1 < t2); if (--n <= 0) break; t1=a[2]; t2=b[2]; r[2]=(t1-t2-c)&BN_MASK2; if (t1 != t2) c=(t1 < t2); if (--n <= 0) break; t1=a[3]; t2=b[3]; r[3]=(t1-t2-c)&BN_MASK2; if (t1 != t2) c=(t1 < t2); if (--n <= 0) break; a+=4; b+=4; r+=4; } return(c); }
['int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,\n\t\t DSA *dsa)\n\t{\n\tBN_CTX *ctx;\n\tBIGNUM u1,u2,t1;\n\tBN_MONT_CTX *mont=NULL;\n\tint ret = -1;\n\tif ((ctx=BN_CTX_new()) == NULL) goto err;\n\tBN_init(&u1);\n\tBN_init(&u2);\n\tBN_init(&t1);\n\tif ((BN_mod_inverse(&u2,sig->s,dsa->q,ctx)) == NULL) goto err;\n\tif (BN_bin2bn(dgst,dgst_len,&u1) == NULL) goto err;\n\tif (!BN_mod_mul(&u1,&u1,&u2,dsa->q,ctx)) goto err;\n\tif (!BN_mod_mul(&u2,sig->r,&u2,dsa->q,ctx)) goto err;\n\tif ((dsa->method_mont_p == NULL) && (dsa->flags & DSA_FLAG_CACHE_MONT_P))\n\t\t{\n\t\tif ((dsa->method_mont_p=(char *)BN_MONT_CTX_new()) != NULL)\n\t\t\tif (!BN_MONT_CTX_set((BN_MONT_CTX *)dsa->method_mont_p,\n\t\t\t\tdsa->p,ctx)) goto err;\n\t\t}\n\tmont=(BN_MONT_CTX *)dsa->method_mont_p;\n#if 0\n\t{\n\tBIGNUM t2;\n\tBN_init(&t2);\n\tif (!BN_mod_exp_mont(&t1,dsa->g,&u1,dsa->p,ctx,mont)) goto err;\n\tif (!BN_mod_exp_mont(&t2,dsa->pub_key,&u2,dsa->p,ctx,mont)) goto err;\n\tif (!BN_mod_mul(&u1,&t1,&t2,dsa->p,ctx)) goto err_bn;\n\tBN_free(&t2);\n\t}\n\tif (!BN_mod(&u1,&u1,dsa->q,ctx)) goto err;\n#else\n\t{\n\tif (!BN_mod_exp2_mont(&t1,dsa->g,&u1,dsa->pub_key,&u2,dsa->p,ctx,mont))\n\t\tgoto err;\n\tif (!BN_mod(&u1,&t1,dsa->q,ctx)) goto err;\n\t}\n#endif\n\tret=(BN_ucmp(&u1, sig->r) == 0);\n\terr:\n\tif (ret != 1) DSAerr(DSA_F_DSA_DO_VERIFY,ERR_R_BN_LIB);\n\tif (ctx != NULL) BN_CTX_free(ctx);\n\tBN_free(&u1);\n\tBN_free(&u2);\n\tBN_free(&t1);\n\treturn(ret);\n\t}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n\t{\n\tunsigned int i,m;\n\tunsigned int n;\n\tBN_ULONG l;\n\tif (ret == NULL) ret=BN_new();\n\tif (ret == NULL) return(NULL);\n\tl=0;\n\tn=len;\n\tif (n == 0)\n\t\t{\n\t\tret->top=0;\n\t\treturn(ret);\n\t\t}\n\tif (bn_expand(ret,(int)(n+2)*8) == NULL)\n\t\treturn(NULL);\n\ti=((n-1)/BN_BYTES)+1;\n\tm=((n-1)%(BN_BYTES));\n\tret->top=i;\n\twhile (n-- > 0)\n\t\t{\n\t\tl=(l<<8L)| *(s++);\n\t\tif (m-- == 0)\n\t\t\t{\n\t\t\tret->d[--i]=l;\n\t\t\tl=0;\n\t\t\tm=BN_BYTES-1;\n\t\t\t}\n\t\t}\n\tbn_fix_top(ret);\n\treturn(ret);\n\t}', 'int BN_mod_mul(BIGNUM *ret, BIGNUM *a, BIGNUM *b, BIGNUM *m, BN_CTX *ctx)\n\t{\n\tBIGNUM *t;\n\tint r=0;\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(m);\n\tt= &(ctx->bn[ctx->tos++]);\n\tif (a == b)\n\t\t{ if (!BN_sqr(t,a,ctx)) goto err; }\n\telse\n\t\t{ if (!BN_mul(t,a,b,ctx)) goto err; }\n\tif (!BN_mod(ret,t,m,ctx)) goto err;\n\tr=1;\nerr:\n\tctx->tos--;\n\treturn(r);\n\t}', 'int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint top,al,bl;\n\tBIGNUM *rr;\n#ifdef BN_RECURSION\n\tBIGNUM *t;\n\tint i,j,k;\n#endif\n#ifdef BN_COUNT\nprintf("BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tr->neg=a->neg^b->neg;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tif ((r == a) || (r == b))\n\t\trr= &(ctx->bn[ctx->tos+1]);\n\telse\n\t\trr=r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tif (al == bl)\n\t\t{\n# ifdef BN_MUL_COMBA\n if (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) return(0);\n\t\t\tr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n# endif\n#ifdef BN_RECURSION\n\t\tif (al < BN_MULL_SIZE_NORMAL)\n#endif\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,top) == NULL) return(0);\n\t\t\trr->top=top;\n\t\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\t\tgoto end;\n\t\t\t}\n# ifdef BN_RECURSION\n\t\tgoto symetric;\n# endif\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\telse if ((al < BN_MULL_SIZE_NORMAL) || (bl < BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (bn_wexpand(rr,top) == NULL) return(0);\n\t\trr->top=top;\n\t\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n\t\tgoto end;\n\t\t}\n\telse\n\t\t{\n\t\ti=(al-bl);\n\t\tif ((i == 1) && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(b,al);\n\t\t\tb->d[bl]=0;\n\t\t\tbl++;\n\t\t\tgoto symetric;\n\t\t\t}\n\t\telse if ((i == -1) && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tbn_wexpand(a,bl);\n\t\t\ta->d[al]=0;\n\t\t\tal++;\n\t\t\tgoto symetric;\n\t\t\t}\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) return(0);\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#ifdef BN_RECURSION\n\tif (0)\n\t\t{\nsymetric:\n\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\tj=1<<(j-1);\n\t\tk=j+j;\n\t\tt= &(ctx->bn[ctx->tos]);\n\t\tif (al == j)\n\t\t\t{\n\t\t\tbn_wexpand(t,k*2);\n\t\t\tbn_wexpand(rr,k*2);\n\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tbn_wexpand(a,k);\n\t\t\tbn_wexpand(b,k);\n\t\t\tbn_wexpand(t,k*4);\n\t\t\tbn_wexpand(rr,k*4);\n\t\t\tfor (i=a->top; i<k; i++)\n\t\t\t\ta->d[i]=0;\n\t\t\tfor (i=b->top; i<k; i++)\n\t\t\t\tb->d[i]=0;\n\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t}\n\t\trr->top=top;\n\t\t}\n#endif\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_fix_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\treturn(1);\n\t}', 'void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int tn,\n\t int n, BN_ULONG *t)\n\t{\n\tint i,j,n2=n*2;\n\tunsigned int c1;\n\tBN_ULONG ln,lo,*p;\n#ifdef BN_COUNT\nprintf(" bn_mul_part_recursive %d * %d\\n",tn+n,tn+n);\n#endif\n\tif (n < 8)\n\t\t{\n\t\ti=tn+n;\n\t\tbn_mul_normal(r,a,i,b,i);\n\t\treturn;\n\t\t}\n\tbn_sub_words(t, a, &(a[n]),n);\n\tbn_sub_words(&(t[n]),b, &(b[n]),n);\n if (n == 8)\n\t\t{\n\t\tbn_mul_comba8(&(t[n2]),t,&(t[n]));\n\t\tbn_mul_comba8(r,a,b);\n\t\tbn_mul_normal(&(r[n2]),&(a[n]),tn,&(b[n]),tn);\n\t\tmemset(&(r[n2+tn*2]),0,sizeof(BN_ULONG)*(n2-tn*2));\n\t\t}\n\telse\n\t\t{\n\t\tp= &(t[n2*2]);\n\t\tbn_mul_recursive(&(t[n2]),t,&(t[n]),n,p);\n\t\tbn_mul_recursive(r,a,b,n,p);\n\t\ti=n/2;\n\t\tj=tn-i;\n\t\tif (j == 0)\n\t\t\t{\n\t\t\tbn_mul_recursive(&(r[n2]),&(a[n]),&(b[n]),i,p);\n\t\t\tmemset(&(r[n2+i*2]),0,sizeof(BN_ULONG)*(n2-i*2));\n\t\t\t}\n\t\telse if (j > 0)\n\t\t\t\t{\n\t\t\t\tbn_mul_part_recursive(&(r[n2]),&(a[n]),&(b[n]),\n\t\t\t\t\tj,i,p);\n\t\t\t\tmemset(&(r[n2+tn*2]),0,\n\t\t\t\t\tsizeof(BN_ULONG)*(n2-tn*2));\n\t\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tmemset(&(r[n2]),0,sizeof(BN_ULONG)*n2);\n\t\t\tif (tn < BN_MUL_RECURSIVE_SIZE_NORMAL)\n\t\t\t\t{\n\t\t\t\tbn_mul_normal(&(r[n2]),&(a[n]),tn,&(b[n]),tn);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tfor (;;)\n\t\t\t\t\t{\n\t\t\t\t\ti/=2;\n\t\t\t\t\tif (i < tn)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tbn_mul_part_recursive(&(r[n2]),\n\t\t\t\t\t\t\t&(a[n]),&(b[n]),\n\t\t\t\t\t\t\ttn-i,i,p);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\telse if (i == tn)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tbn_mul_recursive(&(r[n2]),\n\t\t\t\t\t\t\t&(a[n]),&(b[n]),\n\t\t\t\t\t\t\ti,p);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tc1=(int)(bn_add_words(t,r,&(r[n2]),n2));\n\tc1-=(int)(bn_sub_words(&(t[n2]),t,&(t[n2]),n2));\n\tc1+=(int)(bn_add_words(&(r[n]),&(r[n]),&(t[n2]),n2));\n\tif (c1)\n\t\t{\n\t\tp= &(r[n+n2]);\n\t\tlo= *p;\n\t\tln=(lo+c1)&BN_MASK2;\n\t\t*p=ln;\n\t\tif (ln < c1)\n\t\t\t{\n\t\t\tdo\t{\n\t\t\t\tp++;\n\t\t\t\tlo= *p;\n\t\t\t\tln=(lo+1)&BN_MASK2;\n\t\t\t\t*p=ln;\n\t\t\t\t} while (ln == 0);\n\t\t\t}\n\t\t}\n\t}', 'BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)\n {\n\tBN_ULONG t1,t2;\n\tint c=0;\n\tbn_check_num(n);\n\tif (n <= 0) return((BN_ULONG)0);\n\tfor (;;)\n\t\t{\n\t\tt1=a[0]; t2=b[0];\n\t\tr[0]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\tt1=a[1]; t2=b[1];\n\t\tr[1]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\tt1=a[2]; t2=b[2];\n\t\tr[2]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\tt1=a[3]; t2=b[3];\n\t\tr[3]=(t1-t2-c)&BN_MASK2;\n\t\tif (t1 != t2) c=(t1 < t2);\n\t\tif (--n <= 0) break;\n\t\ta+=4;\n\t\tb+=4;\n\t\tr+=4;\n\t\t}\n\treturn(c);\n\t}']
5,779
0
https://gitlab.com/libtiff/libtiff/blob/01bac25a5a9fa0bc41b90a83eca3026e351d818d/libtiff/tif_read.c/#L1047
static int TIFFStartTile(TIFF* tif, uint32 tile) { static const char module[] = "TIFFStartTile"; TIFFDirectory *td = &tif->tif_dir; uint32 howmany32; if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount) return 0; if ((tif->tif_flags & TIFF_CODERSETUP) == 0) { if (!(*tif->tif_setupdecode)(tif)) return (0); tif->tif_flags |= TIFF_CODERSETUP; } tif->tif_curtile = tile; howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth); if (howmany32 == 0) { TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles"); return 0; } tif->tif_row = (tile % howmany32) * td->td_tilelength; howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength); if (howmany32 == 0) { TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles"); return 0; } tif->tif_col = (tile % howmany32) * td->td_tilewidth; tif->tif_flags &= ~TIFF_BUF4WRITE; if (tif->tif_flags&TIFF_NOREADRAW) { tif->tif_rawcp = NULL; tif->tif_rawcc = 0; } else { tif->tif_rawcp = tif->tif_rawdata; tif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile]; } return ((*tif->tif_predecode)(tif, (uint16)(tile/td->td_stripsperimage))); }
['static int readContigTilesIntoBuffer (TIFF* in, uint8* buf,\n uint32 imagelength,\n uint32 imagewidth,\n uint32 tw, uint32 tl,\n tsample_t spp, uint16 bps)\n {\n int status = 1;\n tsample_t sample = 0;\n tsample_t count = spp;\n uint32 row, col, trow;\n uint32 nrow, ncol;\n uint32 dst_rowsize, shift_width;\n uint32 bytes_per_sample, bytes_per_pixel;\n uint32 trailing_bits, prev_trailing_bits;\n uint32 tile_rowsize = TIFFTileRowSize(in);\n uint32 src_offset, dst_offset;\n uint32 row_offset, col_offset;\n uint8 *bufp = (uint8*) buf;\n unsigned char *src = NULL;\n unsigned char *dst = NULL;\n tsize_t tbytes = 0, tile_buffsize = 0;\n tsize_t tilesize = TIFFTileSize(in);\n unsigned char *tilebuf = NULL;\n bytes_per_sample = (bps + 7) / 8;\n bytes_per_pixel = ((bps * spp) + 7) / 8;\n if ((bps % 8) == 0)\n shift_width = 0;\n else\n {\n if (bytes_per_pixel < (bytes_per_sample + 1))\n shift_width = bytes_per_pixel;\n else\n shift_width = bytes_per_sample + 1;\n }\n tile_buffsize = tilesize;\n if (tilesize < (tsize_t)(tl * tile_rowsize))\n {\n#ifdef DEBUG2\n TIFFError("readContigTilesIntoBuffer",\n\t "Tilesize %lu is too small, using alternate calculation %u",\n tilesize, tl * tile_rowsize);\n#endif\n tile_buffsize = tl * tile_rowsize;\n }\n tilebuf = _TIFFmalloc(tile_buffsize);\n if (tilebuf == 0)\n return 0;\n dst_rowsize = ((imagewidth * bps * spp) + 7) / 8;\n for (row = 0; row < imagelength; row += tl)\n {\n nrow = (row + tl > imagelength) ? imagelength - row : tl;\n for (col = 0; col < imagewidth; col += tw)\n {\n tbytes = TIFFReadTile(in, tilebuf, col, row, 0, 0);\n if (tbytes < tilesize && !ignore)\n {\n\tTIFFError(TIFFFileName(in),\n\t\t "Error, can\'t read tile at row %lu col %lu, Read %lu bytes of %lu",\n\t\t (unsigned long) col, (unsigned long) row, (unsigned long)tbytes,\n (unsigned long)tilesize);\n\t\t status = 0;\n _TIFFfree(tilebuf);\n\t\t return status;\n\t}\n row_offset = row * dst_rowsize;\n col_offset = ((col * bps * spp) + 7)/ 8;\n bufp = buf + row_offset + col_offset;\n if (col + tw > imagewidth)\n\tncol = imagewidth - col;\n else\n ncol = tw;\n if (((bps % 8) == 0) && (count == spp))\n {\n\tfor (trow = 0; trow < nrow; trow++)\n {\n\t src_offset = trow * tile_rowsize;\n\t _TIFFmemcpy (bufp, tilebuf + src_offset, (ncol * spp * bps) / 8);\n bufp += (imagewidth * bps * spp) / 8;\n\t }\n }\n else\n {\n prev_trailing_bits = trailing_bits = 0;\n trailing_bits = (ncol * bps * spp) % 8;\n\tfor (trow = 0; trow < nrow; trow++)\n {\n\t src_offset = trow * tile_rowsize;\n src = tilebuf + src_offset;\n\t dst_offset = (row + trow) * dst_rowsize;\n dst = buf + dst_offset + col_offset;\n switch (shift_width)\n {\n case 0: if (extractContigSamplesBytes (src, dst, ncol, sample,\n spp, bps, count, 0, ncol))\n {\n\t\t TIFFError("readContigTilesIntoBuffer",\n "Unable to extract row %d from tile %lu",\n\t\t\t\trow, (unsigned long)TIFFCurrentTile(in));\n\t\t return 1;\n\t\t }\n\t\t break;\n case 1: if (bps == 1)\n {\n if (extractContigSamplesShifted8bits (src, dst, ncol,\n sample, spp,\n bps, count,\n 0, ncol,\n prev_trailing_bits))\n {\n\t\t TIFFError("readContigTilesIntoBuffer",\n "Unable to extract row %d from tile %lu",\n\t\t\t\t row, (unsigned long)TIFFCurrentTile(in));\n\t\t return 1;\n\t\t }\n\t\t break;\n\t\t }\n else\n if (extractContigSamplesShifted16bits (src, dst, ncol,\n sample, spp,\n bps, count,\n 0, ncol,\n prev_trailing_bits))\n {\n\t\t TIFFError("readContigTilesIntoBuffer",\n "Unable to extract row %d from tile %lu",\n\t\t\t \t row, (unsigned long)TIFFCurrentTile(in));\n\t\t return 1;\n\t\t }\n\t break;\n case 2: if (extractContigSamplesShifted24bits (src, dst, ncol,\n sample, spp,\n bps, count,\n 0, ncol,\n prev_trailing_bits))\n {\n\t\t TIFFError("readContigTilesIntoBuffer",\n "Unable to extract row %d from tile %lu",\n\t\t \t row, (unsigned long)TIFFCurrentTile(in));\n\t\t return 1;\n\t\t }\n\t\t break;\n case 3:\n case 4:\n case 5: if (extractContigSamplesShifted32bits (src, dst, ncol,\n sample, spp,\n bps, count,\n 0, ncol,\n prev_trailing_bits))\n {\n\t\t TIFFError("readContigTilesIntoBuffer",\n "Unable to extract row %d from tile %lu",\n\t\t\t row, (unsigned long)TIFFCurrentTile(in));\n\t\t return 1;\n\t\t }\n\t\t break;\n default: TIFFError("readContigTilesIntoBuffer", "Unsupported bit depth %d", bps);\n\t\t return 1;\n\t }\n }\n prev_trailing_bits += trailing_bits;\n\t}\n }\n }\n _TIFFfree(tilebuf);\n return status;\n }', 'tmsize_t\nTIFFTileRowSize(TIFF* tif)\n{\n\tstatic const char module[] = "TIFFTileRowSize";\n\tuint64 m;\n\ttmsize_t n;\n\tm=TIFFTileRowSize64(tif);\n\tn=(tmsize_t)m;\n\tif ((uint64)n!=m)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");\n\t\tn=0;\n\t}\n\treturn(n);\n}', 'uint64\nTIFFTileRowSize64(TIFF* tif)\n{\n static const char module[] = "TIFFTileRowSize64";\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint64 rowsize;\n\tuint64 tilerowsize;\n\tif (td->td_tilelength == 0)\n {\n TIFFErrorExt(tif->tif_clientdata,module,"Tile length is zero");\n return 0;\n }\n if (td->td_tilewidth == 0)\n {\n TIFFErrorExt(tif->tif_clientdata,module,"Tile width is zero");\n\t\treturn (0);\n }\n\trowsize = _TIFFMultiply64(tif, td->td_bitspersample, td->td_tilewidth,\n\t "TIFFTileRowSize");\n\tif (td->td_planarconfig == PLANARCONFIG_CONTIG)\n {\n if (td->td_samplesperpixel == 0)\n {\n TIFFErrorExt(tif->tif_clientdata,module,"Samples per pixel is zero");\n return 0;\n }\n\t\trowsize = _TIFFMultiply64(tif, rowsize, td->td_samplesperpixel,\n\t\t "TIFFTileRowSize");\n }\n tilerowsize=TIFFhowmany8_64(rowsize);\n if (tilerowsize == 0)\n {\n TIFFErrorExt(tif->tif_clientdata,module,"Computed tile row size is zero");\n return 0;\n }\n\treturn (tilerowsize);\n}', 'tmsize_t\nTIFFTileSize(TIFF* tif)\n{\n\tstatic const char module[] = "TIFFTileSize";\n\tuint64 m;\n\ttmsize_t n;\n\tm=TIFFTileSize64(tif);\n\tn=(tmsize_t)m;\n\tif ((uint64)n!=m)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");\n\t\tn=0;\n\t}\n\treturn(n);\n}', 'uint64\nTIFFTileSize64(TIFF* tif)\n{\n\treturn (TIFFVTileSize64(tif, tif->tif_dir.td_tilelength));\n}', 'uint64\nTIFFVTileSize64(TIFF* tif, uint32 nrows)\n{\n\tstatic const char module[] = "TIFFVTileSize64";\n\tTIFFDirectory *td = &tif->tif_dir;\n\tif (td->td_tilelength == 0 || td->td_tilewidth == 0 ||\n\t td->td_tiledepth == 0)\n\t\treturn (0);\n\tif ((td->td_planarconfig==PLANARCONFIG_CONTIG)&&\n\t (td->td_photometric==PHOTOMETRIC_YCBCR)&&\n\t (td->td_samplesperpixel==3)&&\n\t (!isUpSampled(tif)))\n\t{\n\t\tuint16 ycbcrsubsampling[2];\n\t\tuint16 samplingblock_samples;\n\t\tuint32 samplingblocks_hor;\n\t\tuint32 samplingblocks_ver;\n\t\tuint64 samplingrow_samples;\n\t\tuint64 samplingrow_size;\n\t\tTIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,\n\t\t ycbcrsubsampling+1);\n\t\tif ((ycbcrsubsampling[0] != 1 && ycbcrsubsampling[0] != 2 && ycbcrsubsampling[0] != 4)\n\t\t ||(ycbcrsubsampling[1] != 1 && ycbcrsubsampling[1] != 2 && ycbcrsubsampling[1] != 4))\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t\t\t "Invalid YCbCr subsampling (%dx%d)",\n\t\t\t\t ycbcrsubsampling[0],\n\t\t\t\t ycbcrsubsampling[1] );\n\t\t\treturn 0;\n\t\t}\n\t\tsamplingblock_samples=ycbcrsubsampling[0]*ycbcrsubsampling[1]+2;\n\t\tsamplingblocks_hor=TIFFhowmany_32(td->td_tilewidth,ycbcrsubsampling[0]);\n\t\tsamplingblocks_ver=TIFFhowmany_32(nrows,ycbcrsubsampling[1]);\n\t\tsamplingrow_samples=_TIFFMultiply64(tif,samplingblocks_hor,samplingblock_samples,module);\n\t\tsamplingrow_size=TIFFhowmany8_64(_TIFFMultiply64(tif,samplingrow_samples,td->td_bitspersample,module));\n\t\treturn(_TIFFMultiply64(tif,samplingrow_size,samplingblocks_ver,module));\n\t}\n\telse\n\t\treturn(_TIFFMultiply64(tif,nrows,TIFFTileRowSize64(tif),module));\n}', 'tmsize_t\nTIFFReadTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s)\n{\n\tif (!TIFFCheckRead(tif, 1) || !TIFFCheckTile(tif, x, y, z, s))\n\t\treturn ((tmsize_t)(-1));\n\treturn (TIFFReadEncodedTile(tif,\n\t TIFFComputeTile(tif, x, y, z, s), buf, (tmsize_t)(-1)));\n}', 'tmsize_t\nTIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size)\n{\n\tstatic const char module[] = "TIFFReadEncodedTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n\ttmsize_t tilesize = tif->tif_tilesize;\n\tif (!TIFFCheckRead(tif, 1))\n\t\treturn ((tmsize_t)(-1));\n\tif (tile >= td->td_nstrips) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t "%lu: Tile out of range, max %lu",\n\t\t (unsigned long) tile, (unsigned long) td->td_nstrips);\n\t\treturn ((tmsize_t)(-1));\n\t}\n if( td->td_compression == COMPRESSION_NONE &&\n size!=(tmsize_t)(-1) && size >= tilesize &&\n !isMapped(tif) &&\n ((tif->tif_flags&TIFF_NOREADRAW)==0) )\n {\n if (TIFFReadRawTile1(tif, tile, buf, tilesize, module) != tilesize)\n return ((tmsize_t)(-1));\n if (!isFillOrder(tif, td->td_fillorder) &&\n (tif->tif_flags & TIFF_NOBITREV) == 0)\n TIFFReverseBits(buf,tilesize);\n (*tif->tif_postdecode)(tif,buf,tilesize);\n return (tilesize);\n }\n\tif (size == (tmsize_t)(-1))\n\t\tsize = tilesize;\n\telse if (size > tilesize)\n\t\tsize = tilesize;\n\tif (TIFFFillTile(tif, tile) && (*tif->tif_decodetile)(tif,\n\t (uint8*) buf, size, (uint16)(tile/td->td_stripsperimage))) {\n\t\t(*tif->tif_postdecode)(tif, (uint8*) buf, size);\n\t\treturn (size);\n\t} else\n\t\treturn ((tmsize_t)(-1));\n}', 'int\nTIFFFillTile(TIFF* tif, uint32 tile)\n{\n\tstatic const char module[] = "TIFFFillTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)\n return 0;\n\tif ((tif->tif_flags&TIFF_NOREADRAW)==0)\n\t{\n\t\tuint64 bytecount = td->td_stripbytecount[tile];\n\t\tif ((int64)bytecount <= 0) {\n#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t"%I64u: Invalid tile byte count, tile %lu",\n\t\t\t\t (unsigned __int64) bytecount,\n\t\t\t\t (unsigned long) tile);\n#else\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t"%llu: Invalid tile byte count, tile %lu",\n\t\t\t\t (unsigned long long) bytecount,\n\t\t\t\t (unsigned long) tile);\n#endif\n\t\t\treturn (0);\n\t\t}\n\t\tif (isMapped(tif) &&\n\t\t (isFillOrder(tif, td->td_fillorder)\n\t\t || (tif->tif_flags & TIFF_NOBITREV))) {\n\t\t\tif ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) {\n\t\t\t\t_TIFFfree(tif->tif_rawdata);\n\t\t\t\ttif->tif_rawdata = NULL;\n\t\t\t\ttif->tif_rawdatasize = 0;\n\t\t\t}\n\t\t\ttif->tif_flags &= ~TIFF_MYBUFFER;\n\t\t\tif (bytecount > (uint64)tif->tif_size ||\n\t\t\t td->td_stripoffset[tile] > (uint64)tif->tif_size - bytecount) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t\ttif->tif_rawdatasize = (tmsize_t)bytecount;\n\t\t\ttif->tif_rawdata =\n\t\t\t\ttif->tif_base + (tmsize_t)td->td_stripoffset[tile];\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = (tmsize_t) bytecount;\n\t\t\ttif->tif_flags |= TIFF_BUFFERMMAP;\n\t\t} else {\n\t\t\ttmsize_t bytecountm;\n\t\t\tbytecountm=(tmsize_t)bytecount;\n\t\t\tif ((uint64)bytecountm!=bytecount)\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");\n\t\t\t\treturn(0);\n\t\t\t}\n\t\t\tif (bytecountm > tif->tif_rawdatasize) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\tif ((tif->tif_flags & TIFF_MYBUFFER) == 0) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Data buffer too small to hold tile %lu",\n\t\t\t\t\t (unsigned long) tile);\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (!TIFFReadBufferSetup(tif, 0, bytecountm))\n\t\t\t\t\treturn (0);\n\t\t\t}\n\t\t\tif (tif->tif_flags&TIFF_BUFFERMMAP) {\n\t\t\t\ttif->tif_curtile = NOTILE;\n\t\t\t\tif (!TIFFReadBufferSetup(tif, 0, bytecountm))\n\t\t\t\t\treturn (0);\n\t\t\t}\n\t\t\tif (TIFFReadRawTile1(tif, tile, tif->tif_rawdata,\n\t\t\t bytecountm, module) != bytecountm)\n\t\t\t\treturn (0);\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = bytecountm;\n\t\t\tif (!isFillOrder(tif, td->td_fillorder) &&\n\t\t\t (tif->tif_flags & TIFF_NOBITREV) == 0)\n\t\t\t\tTIFFReverseBits(tif->tif_rawdata,\n tif->tif_rawdataloaded);\n\t\t}\n\t}\n\treturn (TIFFStartTile(tif, tile));\n}', 'static int\nTIFFStartTile(TIFF* tif, uint32 tile)\n{\n static const char module[] = "TIFFStartTile";\n\tTIFFDirectory *td = &tif->tif_dir;\n uint32 howmany32;\n if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)\n return 0;\n\tif ((tif->tif_flags & TIFF_CODERSETUP) == 0) {\n\t\tif (!(*tif->tif_setupdecode)(tif))\n\t\t\treturn (0);\n\t\ttif->tif_flags |= TIFF_CODERSETUP;\n\t}\n\ttif->tif_curtile = tile;\n howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);\n if (howmany32 == 0) {\n TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");\n return 0;\n }\n\ttif->tif_row = (tile % howmany32) * td->td_tilelength;\n howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength);\n if (howmany32 == 0) {\n TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");\n return 0;\n }\n\ttif->tif_col = (tile % howmany32) * td->td_tilewidth;\n tif->tif_flags &= ~TIFF_BUF4WRITE;\n\tif (tif->tif_flags&TIFF_NOREADRAW)\n\t{\n\t\ttif->tif_rawcp = NULL;\n\t\ttif->tif_rawcc = 0;\n\t}\n\telse\n\t{\n\t\ttif->tif_rawcp = tif->tif_rawdata;\n\t\ttif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile];\n\t}\n\treturn ((*tif->tif_predecode)(tif,\n\t\t\t(uint16)(tile/td->td_stripsperimage)));\n}']
5,780
0
https://github.com/openssl/openssl/blob/e1f02308aeb124168d8a6655e5c822c3b0126260/crypto/x509/x509_vfy.c/#L770
static int check_trust(X509_STORE_CTX *ctx, int num_untrusted) { int i; X509 *x = NULL; X509 *mx; SSL_DANE *dane = ctx->dane; int num = sk_X509_num(ctx->chain); int trust; if (DANETLS_HAS_TA(dane) && num_untrusted > 0 && num_untrusted < num) { switch (trust = check_dane_issuer(ctx, num_untrusted)) { case X509_TRUST_TRUSTED: case X509_TRUST_REJECTED: return trust; } } for (i = num_untrusted; i < num; i++) { x = sk_X509_value(ctx->chain, i); trust = X509_check_trust(x, ctx->param->trust, 0); if (trust == X509_TRUST_TRUSTED) goto trusted; if (trust == X509_TRUST_REJECTED) goto rejected; } if (num_untrusted < num) { if (ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN) goto trusted; return X509_TRUST_UNTRUSTED; } if (num_untrusted == num && ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN) { i = 0; x = sk_X509_value(ctx->chain, i); mx = lookup_cert_match(ctx, x); if (!mx) return X509_TRUST_UNTRUSTED; trust = X509_check_trust(mx, ctx->param->trust, 0); if (trust == X509_TRUST_REJECTED) { X509_free(mx); goto rejected; } (void) sk_X509_set(ctx->chain, 0, mx); X509_free(x); ctx->num_untrusted = 0; goto trusted; } return X509_TRUST_UNTRUSTED; rejected: if (!verify_cb_cert(ctx, x, i, X509_V_ERR_CERT_REJECTED)) return X509_TRUST_REJECTED; return X509_TRUST_UNTRUSTED; trusted: if (!DANETLS_ENABLED(dane)) return X509_TRUST_TRUSTED; if (dane->pdpth < 0) dane->pdpth = num_untrusted; if (dane->mdpth >= 0) return X509_TRUST_TRUSTED; return X509_TRUST_UNTRUSTED; }
['static int check_trust(X509_STORE_CTX *ctx, int num_untrusted)\n{\n int i;\n X509 *x = NULL;\n X509 *mx;\n SSL_DANE *dane = ctx->dane;\n int num = sk_X509_num(ctx->chain);\n int trust;\n if (DANETLS_HAS_TA(dane) && num_untrusted > 0 && num_untrusted < num) {\n switch (trust = check_dane_issuer(ctx, num_untrusted)) {\n case X509_TRUST_TRUSTED:\n case X509_TRUST_REJECTED:\n return trust;\n }\n }\n for (i = num_untrusted; i < num; i++) {\n x = sk_X509_value(ctx->chain, i);\n trust = X509_check_trust(x, ctx->param->trust, 0);\n if (trust == X509_TRUST_TRUSTED)\n goto trusted;\n if (trust == X509_TRUST_REJECTED)\n goto rejected;\n }\n if (num_untrusted < num) {\n if (ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN)\n goto trusted;\n return X509_TRUST_UNTRUSTED;\n }\n if (num_untrusted == num && ctx->param->flags & X509_V_FLAG_PARTIAL_CHAIN) {\n i = 0;\n x = sk_X509_value(ctx->chain, i);\n mx = lookup_cert_match(ctx, x);\n if (!mx)\n return X509_TRUST_UNTRUSTED;\n trust = X509_check_trust(mx, ctx->param->trust, 0);\n if (trust == X509_TRUST_REJECTED) {\n X509_free(mx);\n goto rejected;\n }\n (void) sk_X509_set(ctx->chain, 0, mx);\n X509_free(x);\n ctx->num_untrusted = 0;\n goto trusted;\n }\n return X509_TRUST_UNTRUSTED;\n rejected:\n if (!verify_cb_cert(ctx, x, i, X509_V_ERR_CERT_REJECTED))\n return X509_TRUST_REJECTED;\n return X509_TRUST_UNTRUSTED;\n trusted:\n if (!DANETLS_ENABLED(dane))\n return X509_TRUST_TRUSTED;\n if (dane->pdpth < 0)\n dane->pdpth = num_untrusted;\n if (dane->mdpth >= 0)\n return X509_TRUST_TRUSTED;\n return X509_TRUST_UNTRUSTED;\n}', 'DEFINE_STACK_OF(X509)', 'int OPENSSL_sk_num(const OPENSSL_STACK *st)\n{\n if (st == NULL)\n return -1;\n return st->num;\n}', 'void *OPENSSL_sk_value(const OPENSSL_STACK *st, int i)\n{\n if (st == NULL || i < 0 || i >= st->num)\n return NULL;\n return st->data[i];\n}', 'static X509 *lookup_cert_match(X509_STORE_CTX *ctx, X509 *x)\n{\n STACK_OF(X509) *certs;\n X509 *xtmp = NULL;\n int i;\n certs = ctx->lookup_certs(ctx, X509_get_subject_name(x));\n if (certs == NULL)\n return NULL;\n for (i = 0; i < sk_X509_num(certs); i++) {\n xtmp = sk_X509_value(certs, i);\n if (!X509_cmp(xtmp, x))\n break;\n }\n if (i < sk_X509_num(certs))\n X509_up_ref(xtmp);\n else\n xtmp = NULL;\n sk_X509_pop_free(certs, X509_free);\n return xtmp;\n}', 'X509_NAME *X509_get_subject_name(const X509 *a)\n{\n return (a->cert_info.subject);\n}']
5,781
0
https://github.com/openssl/openssl/blob/23dd0c9f8dc6f7edf4b872d13e5644dfbbee585b/crypto/err/err.c/#L769
int ERR_set_mark(void) { ERR_STATE *es; es = ERR_get_state(); if (es->bottom == es->top) return 0; es->err_flags[es->top] |= ERR_FLAG_MARK; return 1; }
['int ERR_set_mark(void)\n{\n ERR_STATE *es;\n es = ERR_get_state();\n if (es->bottom == es->top)\n return 0;\n es->err_flags[es->top] |= ERR_FLAG_MARK;\n return 1;\n}', 'ERR_STATE *ERR_get_state(void)\n{\n ERR_STATE *state = NULL;\n if (!RUN_ONCE(&err_init, err_do_init))\n return NULL;\n state = CRYPTO_THREAD_get_local(&err_thread_local);\n if (state == NULL) {\n state = OPENSSL_zalloc(sizeof(*state));\n if (state == NULL)\n return NULL;\n if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) {\n ERR_STATE_free(state);\n return NULL;\n }\n OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);\n ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE);\n }\n return state;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n if (pthread_once(once, init) != 0)\n return 0;\n return 1;\n}', 'void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)\n{\n return pthread_getspecific(*key);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)\n{\n if (pthread_setspecific(*key, val) != 0)\n return 0;\n return 1;\n}']
5,782
0
https://github.com/libav/libav/blob/b19d493f2b9b59e50547c6ccb0d4d68c29267923/libswscale/swscale.c/#L3380
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){ int length= FFMAX(a->length, b->length); double *coeff= av_malloc(length*sizeof(double)); int i; SwsVector *vec= av_malloc(sizeof(SwsVector)); vec->coeff= coeff; vec->length= length; for (i=0; i<length; i++) coeff[i]= 0.0; for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i]; return vec; }
['static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){\n int length= FFMAX(a->length, b->length);\n double *coeff= av_malloc(length*sizeof(double));\n int i;\n SwsVector *vec= av_malloc(sizeof(SwsVector));\n vec->coeff= coeff;\n vec->length= length;\n for (i=0; i<length; i++) coeff[i]= 0.0;\n for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];\n for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i];\n return vec;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}']
5,783
0
https://github.com/libav/libav/blob/ab492ca2ab105aeb24d955f3f03756bdb3139ee1/libavcodec/golomb.h/#L138
static inline int svq3_get_ue_golomb(GetBitContext *gb){ uint32_t buf; OPEN_READER(re, gb); UPDATE_CACHE(re, gb); buf=GET_CACHE(re, gb); if(buf&0xAA800000){ buf >>= 32 - 8; LAST_SKIP_BITS(re, gb, ff_interleaved_golomb_vlc_len[buf]); CLOSE_READER(re, gb); return ff_interleaved_ue_golomb_vlc_code[buf]; }else{ int ret = 1; do { buf >>= 32 - 8; LAST_SKIP_BITS(re, gb, FFMIN(ff_interleaved_golomb_vlc_len[buf], 8)); if (ff_interleaved_golomb_vlc_len[buf] != 9){ ret <<= (ff_interleaved_golomb_vlc_len[buf] - 1) >> 1; ret |= ff_interleaved_dirac_golomb_vlc_code[buf]; break; } ret = (ret << 4) | ff_interleaved_dirac_golomb_vlc_code[buf]; UPDATE_CACHE(re, gb); buf = GET_CACHE(re, gb); } while (HAVE_BITS_REMAINING(re, gb)); CLOSE_READER(re, gb); return ret - 1; } }
['static inline int svq3_get_ue_golomb(GetBitContext *gb){\n uint32_t buf;\n OPEN_READER(re, gb);\n UPDATE_CACHE(re, gb);\n buf=GET_CACHE(re, gb);\n if(buf&0xAA800000){\n buf >>= 32 - 8;\n LAST_SKIP_BITS(re, gb, ff_interleaved_golomb_vlc_len[buf]);\n CLOSE_READER(re, gb);\n return ff_interleaved_ue_golomb_vlc_code[buf];\n }else{\n int ret = 1;\n do {\n buf >>= 32 - 8;\n LAST_SKIP_BITS(re, gb, FFMIN(ff_interleaved_golomb_vlc_len[buf], 8));\n if (ff_interleaved_golomb_vlc_len[buf] != 9){\n ret <<= (ff_interleaved_golomb_vlc_len[buf] - 1) >> 1;\n ret |= ff_interleaved_dirac_golomb_vlc_code[buf];\n break;\n }\n ret = (ret << 4) | ff_interleaved_dirac_golomb_vlc_code[buf];\n UPDATE_CACHE(re, gb);\n buf = GET_CACHE(re, gb);\n } while (HAVE_BITS_REMAINING(re, gb));\n CLOSE_READER(re, gb);\n return ret - 1;\n }\n}']
5,784
0
https://github.com/libav/libav/blob/834259528b6cf593bf9544e3183b84b9b7880641/libavcodec/golomb.h/#L328
static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit, int esc_len) { unsigned int buf; int log; OPEN_READER(re, gb); UPDATE_CACHE(re, gb); buf = GET_CACHE(re, gb); log = av_log2(buf); if (log - k >= 32 - MIN_CACHE_BITS + (MIN_CACHE_BITS == 32) && 32 - log < limit) { buf >>= log - k; buf += (30 - log) << k; LAST_SKIP_BITS(re, gb, 32 + k - log); CLOSE_READER(re, gb); return buf; } else { int i; for (i = 0; i < limit && SHOW_UBITS(re, gb, 1) == 0 && HAVE_BITS_REMAINING(re, gb); i++) { LAST_SKIP_BITS(re, gb, 1); UPDATE_CACHE(re, gb); } SKIP_BITS(re, gb, 1); if (i < limit - 1) { if (k) { buf = SHOW_UBITS(re, gb, k); LAST_SKIP_BITS(re, gb, k); } else { buf = 0; } CLOSE_READER(re, gb); return buf + (i << k); } else if (i == limit - 1) { buf = SHOW_UBITS(re, gb, esc_len); LAST_SKIP_BITS(re, gb, esc_len); CLOSE_READER(re, gb); return buf + 1; } else return -1; } }
['static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit,\n int esc_len)\n{\n unsigned int buf;\n int log;\n OPEN_READER(re, gb);\n UPDATE_CACHE(re, gb);\n buf = GET_CACHE(re, gb);\n log = av_log2(buf);\n if (log - k >= 32 - MIN_CACHE_BITS + (MIN_CACHE_BITS == 32) &&\n 32 - log < limit) {\n buf >>= log - k;\n buf += (30 - log) << k;\n LAST_SKIP_BITS(re, gb, 32 + k - log);\n CLOSE_READER(re, gb);\n return buf;\n } else {\n int i;\n for (i = 0; i < limit && SHOW_UBITS(re, gb, 1) == 0 && HAVE_BITS_REMAINING(re, gb); i++) {\n LAST_SKIP_BITS(re, gb, 1);\n UPDATE_CACHE(re, gb);\n }\n SKIP_BITS(re, gb, 1);\n if (i < limit - 1) {\n if (k) {\n buf = SHOW_UBITS(re, gb, k);\n LAST_SKIP_BITS(re, gb, k);\n } else {\n buf = 0;\n }\n CLOSE_READER(re, gb);\n return buf + (i << k);\n } else if (i == limit - 1) {\n buf = SHOW_UBITS(re, gb, esc_len);\n LAST_SKIP_BITS(re, gb, esc_len);\n CLOSE_READER(re, gb);\n return buf + 1;\n } else\n return -1;\n }\n}']
5,785
0
https://github.com/libav/libav/blob/041caf1a63f091745b95a6d51c23fbdcb604d4ce/libavcodec/faanidct.c/#L57
static inline void p8idct(int16_t data[64], FLOAT temp[64], uint8_t *dest, int stride, int x, int y, int type){ int i; FLOAT s04, d04, s17, d17, s26, d26, s53, d53; FLOAT os07, os16, os25, os34; FLOAT od07, od16, od25, od34; for(i=0; i<y*8; i+=y){ s17= temp[1*x + i] + temp[7*x + i]; d17= temp[1*x + i] - temp[7*x + i]; s53= temp[5*x + i] + temp[3*x + i]; d53= temp[5*x + i] - temp[3*x + i]; od07= s17 + s53; od25= (s17 - s53)*(2*A4); #if 0 { FLOAT tmp0; tmp0 = (d17 + d53) * (2 * A2); od34 = d17 * (2 * B6) - tmp0; od16 = d53 * (-2 * B2) + tmp0; } #else od34= d17*(2*(B6-A2)) - d53*(2*A2); od16= d53*(2*(A2-B2)) + d17*(2*A2); #endif od16 -= od07; od25 -= od16; od34 += od25; s26 = temp[2*x + i] + temp[6*x + i]; d26 = temp[2*x + i] - temp[6*x + i]; d26*= 2*A4; d26-= s26; s04= temp[0*x + i] + temp[4*x + i]; d04= temp[0*x + i] - temp[4*x + i]; os07= s04 + s26; os34= s04 - s26; os16= d04 + d26; os25= d04 - d26; if(type==0){ temp[0*x + i]= os07 + od07; temp[7*x + i]= os07 - od07; temp[1*x + i]= os16 + od16; temp[6*x + i]= os16 - od16; temp[2*x + i]= os25 + od25; temp[5*x + i]= os25 - od25; temp[3*x + i]= os34 - od34; temp[4*x + i]= os34 + od34; }else if(type==1){ data[0*x + i]= lrintf(os07 + od07); data[7*x + i]= lrintf(os07 - od07); data[1*x + i]= lrintf(os16 + od16); data[6*x + i]= lrintf(os16 - od16); data[2*x + i]= lrintf(os25 + od25); data[5*x + i]= lrintf(os25 - od25); data[3*x + i]= lrintf(os34 - od34); data[4*x + i]= lrintf(os34 + od34); }else if(type==2){ dest[0*stride + i]= av_clip_uint8(((int)dest[0*stride + i]) + lrintf(os07 + od07)); dest[7*stride + i]= av_clip_uint8(((int)dest[7*stride + i]) + lrintf(os07 - od07)); dest[1*stride + i]= av_clip_uint8(((int)dest[1*stride + i]) + lrintf(os16 + od16)); dest[6*stride + i]= av_clip_uint8(((int)dest[6*stride + i]) + lrintf(os16 - od16)); dest[2*stride + i]= av_clip_uint8(((int)dest[2*stride + i]) + lrintf(os25 + od25)); dest[5*stride + i]= av_clip_uint8(((int)dest[5*stride + i]) + lrintf(os25 - od25)); dest[3*stride + i]= av_clip_uint8(((int)dest[3*stride + i]) + lrintf(os34 - od34)); dest[4*stride + i]= av_clip_uint8(((int)dest[4*stride + i]) + lrintf(os34 + od34)); }else{ dest[0*stride + i]= av_clip_uint8(lrintf(os07 + od07)); dest[7*stride + i]= av_clip_uint8(lrintf(os07 - od07)); dest[1*stride + i]= av_clip_uint8(lrintf(os16 + od16)); dest[6*stride + i]= av_clip_uint8(lrintf(os16 - od16)); dest[2*stride + i]= av_clip_uint8(lrintf(os25 + od25)); dest[5*stride + i]= av_clip_uint8(lrintf(os25 - od25)); dest[3*stride + i]= av_clip_uint8(lrintf(os34 - od34)); dest[4*stride + i]= av_clip_uint8(lrintf(os34 + od34)); } } }
['void ff_faanidct(int16_t block[64]){\n FLOAT temp[64];\n int i;\n emms_c();\n for(i=0; i<64; i++)\n temp[i] = block[i] * prescale[i];\n p8idct(block, temp, NULL, 0, 1, 8, 0);\n p8idct(block, temp, NULL, 0, 8, 1, 1);\n}', 'static inline void p8idct(int16_t data[64], FLOAT temp[64], uint8_t *dest, int stride, int x, int y, int type){\n int i;\n FLOAT s04, d04, s17, d17, s26, d26, s53, d53;\n FLOAT os07, os16, os25, os34;\n FLOAT od07, od16, od25, od34;\n for(i=0; i<y*8; i+=y){\n s17= temp[1*x + i] + temp[7*x + i];\n d17= temp[1*x + i] - temp[7*x + i];\n s53= temp[5*x + i] + temp[3*x + i];\n d53= temp[5*x + i] - temp[3*x + i];\n od07= s17 + s53;\n od25= (s17 - s53)*(2*A4);\n#if 0\n {\n FLOAT tmp0;\n tmp0 = (d17 + d53) * (2 * A2);\n od34 = d17 * (2 * B6) - tmp0;\n od16 = d53 * (-2 * B2) + tmp0;\n }\n#else\n od34= d17*(2*(B6-A2)) - d53*(2*A2);\n od16= d53*(2*(A2-B2)) + d17*(2*A2);\n#endif\n od16 -= od07;\n od25 -= od16;\n od34 += od25;\n s26 = temp[2*x + i] + temp[6*x + i];\n d26 = temp[2*x + i] - temp[6*x + i];\n d26*= 2*A4;\n d26-= s26;\n s04= temp[0*x + i] + temp[4*x + i];\n d04= temp[0*x + i] - temp[4*x + i];\n os07= s04 + s26;\n os34= s04 - s26;\n os16= d04 + d26;\n os25= d04 - d26;\n if(type==0){\n temp[0*x + i]= os07 + od07;\n temp[7*x + i]= os07 - od07;\n temp[1*x + i]= os16 + od16;\n temp[6*x + i]= os16 - od16;\n temp[2*x + i]= os25 + od25;\n temp[5*x + i]= os25 - od25;\n temp[3*x + i]= os34 - od34;\n temp[4*x + i]= os34 + od34;\n }else if(type==1){\n data[0*x + i]= lrintf(os07 + od07);\n data[7*x + i]= lrintf(os07 - od07);\n data[1*x + i]= lrintf(os16 + od16);\n data[6*x + i]= lrintf(os16 - od16);\n data[2*x + i]= lrintf(os25 + od25);\n data[5*x + i]= lrintf(os25 - od25);\n data[3*x + i]= lrintf(os34 - od34);\n data[4*x + i]= lrintf(os34 + od34);\n }else if(type==2){\n dest[0*stride + i]= av_clip_uint8(((int)dest[0*stride + i]) + lrintf(os07 + od07));\n dest[7*stride + i]= av_clip_uint8(((int)dest[7*stride + i]) + lrintf(os07 - od07));\n dest[1*stride + i]= av_clip_uint8(((int)dest[1*stride + i]) + lrintf(os16 + od16));\n dest[6*stride + i]= av_clip_uint8(((int)dest[6*stride + i]) + lrintf(os16 - od16));\n dest[2*stride + i]= av_clip_uint8(((int)dest[2*stride + i]) + lrintf(os25 + od25));\n dest[5*stride + i]= av_clip_uint8(((int)dest[5*stride + i]) + lrintf(os25 - od25));\n dest[3*stride + i]= av_clip_uint8(((int)dest[3*stride + i]) + lrintf(os34 - od34));\n dest[4*stride + i]= av_clip_uint8(((int)dest[4*stride + i]) + lrintf(os34 + od34));\n }else{\n dest[0*stride + i]= av_clip_uint8(lrintf(os07 + od07));\n dest[7*stride + i]= av_clip_uint8(lrintf(os07 - od07));\n dest[1*stride + i]= av_clip_uint8(lrintf(os16 + od16));\n dest[6*stride + i]= av_clip_uint8(lrintf(os16 - od16));\n dest[2*stride + i]= av_clip_uint8(lrintf(os25 + od25));\n dest[5*stride + i]= av_clip_uint8(lrintf(os25 - od25));\n dest[3*stride + i]= av_clip_uint8(lrintf(os34 - od34));\n dest[4*stride + i]= av_clip_uint8(lrintf(os34 + od34));\n }\n }\n}']
5,786
0
https://github.com/nginx/nginx/blob/79ddab189fb4bf27abd21a04bb9d1210e06384ac/src/http/ngx_http_file_cache.c/#L1085
static ngx_int_t ngx_http_file_cache_reopen(ngx_http_request_t *r, ngx_http_cache_t *c) { ngx_http_file_cache_t *cache; ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->file.log, 0, "http file cache reopen"); if (c->secondary) { ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0, "cache file \"%s\" has incorrect vary hash", c->file.name.data); return NGX_DECLINED; } cache = c->file_cache; ngx_shmtx_lock(&cache->shpool->mutex); c->node->count--; c->node = NULL; ngx_shmtx_unlock(&cache->shpool->mutex); c->secondary = 1; c->file.name.len = 0; c->body_start = c->buf->end - c->buf->start; ngx_memcpy(c->key, c->variant, NGX_HTTP_CACHE_KEY_LEN); return ngx_http_file_cache_open(r); }
['ngx_int_t\nngx_http_file_cache_open(ngx_http_request_t *r)\n{\n ngx_int_t rc, rv;\n ngx_uint_t cold, test;\n ngx_http_cache_t *c;\n ngx_pool_cleanup_t *cln;\n ngx_open_file_info_t of;\n ngx_http_file_cache_t *cache;\n ngx_http_core_loc_conf_t *clcf;\n c = r->cache;\n if (c->waiting) {\n return NGX_AGAIN;\n }\n if (c->reading) {\n return ngx_http_file_cache_read(r, c);\n }\n cache = c->file_cache;\n if (c->node == NULL) {\n cln = ngx_pool_cleanup_add(r->pool, 0);\n if (cln == NULL) {\n return NGX_ERROR;\n }\n cln->handler = ngx_http_file_cache_cleanup;\n cln->data = c;\n }\n rc = ngx_http_file_cache_exists(cache, c);\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http file cache exists: %i e:%d", rc, c->exists);\n if (rc == NGX_ERROR) {\n return rc;\n }\n if (rc == NGX_AGAIN) {\n return NGX_HTTP_CACHE_SCARCE;\n }\n cold = cache->sh->cold;\n if (rc == NGX_OK) {\n if (c->error) {\n return c->error;\n }\n c->temp_file = 1;\n test = c->exists ? 1 : 0;\n rv = NGX_DECLINED;\n } else {\n if (c->min_uses > 1) {\n if (!cold) {\n return NGX_HTTP_CACHE_SCARCE;\n }\n test = 1;\n rv = NGX_HTTP_CACHE_SCARCE;\n } else {\n c->temp_file = 1;\n test = cold ? 1 : 0;\n rv = NGX_DECLINED;\n }\n }\n if (ngx_http_file_cache_name(r, cache->path) != NGX_OK) {\n return NGX_ERROR;\n }\n if (!test) {\n goto done;\n }\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n ngx_memzero(&of, sizeof(ngx_open_file_info_t));\n of.uniq = c->uniq;\n of.valid = clcf->open_file_cache_valid;\n of.min_uses = clcf->open_file_cache_min_uses;\n of.events = clcf->open_file_cache_events;\n of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;\n of.read_ahead = clcf->read_ahead;\n if (ngx_open_cached_file(clcf->open_file_cache, &c->file.name, &of, r->pool)\n != NGX_OK)\n {\n switch (of.err) {\n case 0:\n return NGX_ERROR;\n case NGX_ENOENT:\n case NGX_ENOTDIR:\n goto done;\n default:\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,\n ngx_open_file_n " \\"%s\\" failed", c->file.name.data);\n return NGX_ERROR;\n }\n }\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http file cache fd: %d", of.fd);\n c->file.fd = of.fd;\n c->file.log = r->connection->log;\n c->uniq = of.uniq;\n c->length = of.size;\n c->fs_size = (of.fs_size + cache->bsize - 1) / cache->bsize;\n c->buf = ngx_create_temp_buf(r->pool, c->body_start);\n if (c->buf == NULL) {\n return NGX_ERROR;\n }\n return ngx_http_file_cache_read(r, c);\ndone:\n if (rv == NGX_DECLINED) {\n return ngx_http_file_cache_lock(r, c);\n }\n return rv;\n}', 'static ngx_int_t\nngx_http_file_cache_exists(ngx_http_file_cache_t *cache, ngx_http_cache_t *c)\n{\n ngx_int_t rc;\n ngx_http_file_cache_node_t *fcn;\n ngx_shmtx_lock(&cache->shpool->mutex);\n fcn = c->node;\n if (fcn == NULL) {\n fcn = ngx_http_file_cache_lookup(cache, c->key);\n }\n if (fcn) {\n ngx_queue_remove(&fcn->queue);\n if (c->node == NULL) {\n fcn->uses++;\n fcn->count++;\n }\n if (fcn->error) {\n if (fcn->valid_sec < ngx_time()) {\n goto renew;\n }\n rc = NGX_OK;\n goto done;\n }\n if (fcn->exists || fcn->uses >= c->min_uses) {\n c->exists = fcn->exists;\n if (fcn->body_start) {\n c->body_start = fcn->body_start;\n }\n rc = NGX_OK;\n goto done;\n }\n rc = NGX_AGAIN;\n goto done;\n }\n fcn = ngx_slab_calloc_locked(cache->shpool,\n sizeof(ngx_http_file_cache_node_t));\n if (fcn == NULL) {\n ngx_shmtx_unlock(&cache->shpool->mutex);\n (void) ngx_http_file_cache_forced_expire(cache);\n ngx_shmtx_lock(&cache->shpool->mutex);\n fcn = ngx_slab_calloc_locked(cache->shpool,\n sizeof(ngx_http_file_cache_node_t));\n if (fcn == NULL) {\n ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,\n "could not allocate node%s", cache->shpool->log_ctx);\n rc = NGX_ERROR;\n goto failed;\n }\n }\n ngx_memcpy((u_char *) &fcn->node.key, c->key, sizeof(ngx_rbtree_key_t));\n ngx_memcpy(fcn->key, &c->key[sizeof(ngx_rbtree_key_t)],\n NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t));\n ngx_rbtree_insert(&cache->sh->rbtree, &fcn->node);\n fcn->uses = 1;\n fcn->count = 1;\nrenew:\n rc = NGX_DECLINED;\n fcn->valid_msec = 0;\n fcn->error = 0;\n fcn->exists = 0;\n fcn->valid_sec = 0;\n fcn->uniq = 0;\n fcn->body_start = 0;\n fcn->fs_size = 0;\ndone:\n fcn->expire = ngx_time() + cache->inactive;\n ngx_queue_insert_head(&cache->sh->queue, &fcn->queue);\n c->uniq = fcn->uniq;\n c->error = fcn->error;\n c->node = fcn;\nfailed:\n ngx_shmtx_unlock(&cache->shpool->mutex);\n return rc;\n}', 'static ngx_int_t\nngx_http_file_cache_read(ngx_http_request_t *r, ngx_http_cache_t *c)\n{\n time_t now;\n ssize_t n;\n ngx_int_t rc;\n ngx_http_file_cache_t *cache;\n ngx_http_file_cache_header_t *h;\n n = ngx_http_file_cache_aio_read(r, c);\n if (n < 0) {\n return n;\n }\n if ((size_t) n < c->header_start) {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,\n "cache file \\"%s\\" is too small", c->file.name.data);\n return NGX_DECLINED;\n }\n h = (ngx_http_file_cache_header_t *) c->buf->pos;\n if (h->version != NGX_HTTP_CACHE_VERSION) {\n ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,\n "cache file \\"%s\\" version mismatch", c->file.name.data);\n return NGX_DECLINED;\n }\n if (h->crc32 != c->crc32) {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,\n "cache file \\"%s\\" has md5 collision", c->file.name.data);\n return NGX_DECLINED;\n }\n if ((size_t) h->body_start > c->body_start) {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,\n "cache file \\"%s\\" has too long header",\n c->file.name.data);\n return NGX_DECLINED;\n }\n if (h->vary_len > NGX_HTTP_CACHE_VARY_LEN) {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,\n "cache file \\"%s\\" has incorrect vary length",\n c->file.name.data);\n return NGX_DECLINED;\n }\n if (h->vary_len) {\n ngx_http_file_cache_vary(r, h->vary, h->vary_len, c->variant);\n if (ngx_memcmp(c->variant, h->variant, NGX_HTTP_CACHE_KEY_LEN) != 0) {\n ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http file cache vary mismatch");\n return ngx_http_file_cache_reopen(r, c);\n }\n }\n c->buf->last += n;\n c->valid_sec = h->valid_sec;\n c->last_modified = h->last_modified;\n c->date = h->date;\n c->valid_msec = h->valid_msec;\n c->header_start = h->header_start;\n c->body_start = h->body_start;\n c->etag.len = h->etag_len;\n c->etag.data = h->etag;\n r->cached = 1;\n cache = c->file_cache;\n if (cache->sh->cold) {\n ngx_shmtx_lock(&cache->shpool->mutex);\n if (!c->node->exists) {\n c->node->uses = 1;\n c->node->body_start = c->body_start;\n c->node->exists = 1;\n c->node->uniq = c->uniq;\n c->node->fs_size = c->fs_size;\n cache->sh->size += c->fs_size;\n }\n ngx_shmtx_unlock(&cache->shpool->mutex);\n }\n now = ngx_time();\n if (c->valid_sec < now) {\n ngx_shmtx_lock(&cache->shpool->mutex);\n if (c->node->updating) {\n rc = NGX_HTTP_CACHE_UPDATING;\n } else {\n c->node->updating = 1;\n c->updating = 1;\n c->lock_time = c->node->lock_time;\n rc = NGX_HTTP_CACHE_STALE;\n }\n ngx_shmtx_unlock(&cache->shpool->mutex);\n ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http file cache expired: %i %T %T",\n rc, c->valid_sec, now);\n return rc;\n }\n return NGX_OK;\n}', 'static ngx_int_t\nngx_http_file_cache_reopen(ngx_http_request_t *r, ngx_http_cache_t *c)\n{\n ngx_http_file_cache_t *cache;\n ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->file.log, 0,\n "http file cache reopen");\n if (c->secondary) {\n ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0,\n "cache file \\"%s\\" has incorrect vary hash",\n c->file.name.data);\n return NGX_DECLINED;\n }\n cache = c->file_cache;\n ngx_shmtx_lock(&cache->shpool->mutex);\n c->node->count--;\n c->node = NULL;\n ngx_shmtx_unlock(&cache->shpool->mutex);\n c->secondary = 1;\n c->file.name.len = 0;\n c->body_start = c->buf->end - c->buf->start;\n ngx_memcpy(c->key, c->variant, NGX_HTTP_CACHE_KEY_LEN);\n return ngx_http_file_cache_open(r);\n}']
5,787
0
https://github.com/openssl/openssl/blob/2d5d70b15559f9813054ddb11b30b816daf62ebe/crypto/bn/bn_ctx.c/#L332
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
['static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,\n const ECDSA_SIG *sig, EC_KEY *eckey)\n{\n int ret = -1, i;\n BN_CTX *ctx;\n BIGNUM *order, *u1, *u2, *m, *X;\n EC_POINT *point = NULL;\n const EC_GROUP *group;\n const EC_POINT *pub_key;\n if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||\n (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);\n return -1;\n }\n ctx = BN_CTX_new();\n if (!ctx) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);\n return -1;\n }\n BN_CTX_start(ctx);\n order = BN_CTX_get(ctx);\n u1 = BN_CTX_get(ctx);\n u2 = BN_CTX_get(ctx);\n m = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n if (!X) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);\n goto err;\n }\n if (!EC_GROUP_get_order(group, order, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);\n goto err;\n }\n if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||\n BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||\n BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);\n ret = 0;\n goto err;\n }\n if (!BN_mod_inverse(u2, sig->s, order, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);\n goto err;\n }\n i = BN_num_bits(order);\n if (8 * dgst_len > i)\n dgst_len = (i + 7) / 8;\n if (!BN_bin2bn(dgst, dgst_len, m)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);\n goto err;\n }\n if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);\n goto err;\n }\n if (!BN_mod_mul(u1, m, u2, order, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);\n goto err;\n }\n if (!BN_mod_mul(u2, sig->r, u2, order, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);\n goto err;\n }\n if ((point = EC_POINT_new(group)) == NULL) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);\n goto err;\n }\n if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==\n NID_X9_62_prime_field) {\n if (!EC_POINT_get_affine_coordinates_GFp(group, point, X, NULL, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);\n goto err;\n }\n }\n#ifndef OPENSSL_NO_EC2M\n else {\n if (!EC_POINT_get_affine_coordinates_GF2m(group, point, X, NULL, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);\n goto err;\n }\n }\n#endif\n if (!BN_nnmod(u1, X, order, ctx)) {\n ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);\n goto err;\n }\n ret = (BN_ucmp(u1, sig->r) == 0);\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n EC_POINT_free(point);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (pnoinv)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048))) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return (ret);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (!rr || !tmp)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n if (a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n rr->top = max - 1;\n else\n rr->top = max;\n if (rr != r)\n BN_copy(r, rr);\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return (ret);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}']
5,788
0
https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/apps/dsaparam.c/#L289
int MAIN(int argc, char **argv) { DSA *dsa = NULL; int i, badops = 0, text = 0; BIO *in = NULL, *out = NULL; int informat, outformat, noout = 0, C = 0, ret = 1; char *infile, *outfile, *prog, *inrand = NULL; int numbits = -1, num, genkey = 0; int need_rand = 0; int non_fips_allow = 0; BN_GENCB *cb = NULL; # ifndef OPENSSL_NO_ENGINE char *engine = NULL; # endif # ifdef GENCB_TEST int timebomb = 0; # endif apps_startup(); if (bio_err == NULL) if ((bio_err = BIO_new(BIO_s_file())) != NULL) BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); if (!load_config(bio_err, NULL)) goto end; infile = NULL; outfile = NULL; informat = FORMAT_PEM; outformat = FORMAT_PEM; prog = argv[0]; argc--; argv++; while (argc >= 1) { if (strcmp(*argv, "-inform") == 0) { if (--argc < 1) goto bad; informat = str2fmt(*(++argv)); } else if (strcmp(*argv, "-outform") == 0) { if (--argc < 1) goto bad; outformat = str2fmt(*(++argv)); } else if (strcmp(*argv, "-in") == 0) { if (--argc < 1) goto bad; infile = *(++argv); } else if (strcmp(*argv, "-out") == 0) { if (--argc < 1) goto bad; outfile = *(++argv); } # ifndef OPENSSL_NO_ENGINE else if (strcmp(*argv, "-engine") == 0) { if (--argc < 1) goto bad; engine = *(++argv); } # endif # ifdef GENCB_TEST else if (strcmp(*argv, "-timebomb") == 0) { if (--argc < 1) goto bad; timebomb = atoi(*(++argv)); } # endif else if (strcmp(*argv, "-text") == 0) text = 1; else if (strcmp(*argv, "-C") == 0) C = 1; else if (strcmp(*argv, "-genkey") == 0) { genkey = 1; need_rand = 1; } else if (strcmp(*argv, "-rand") == 0) { if (--argc < 1) goto bad; inrand = *(++argv); need_rand = 1; } else if (strcmp(*argv, "-noout") == 0) noout = 1; else if (strcmp(*argv, "-non-fips-allow") == 0) non_fips_allow = 1; else if (sscanf(*argv, "%d", &num) == 1) { numbits = num; need_rand = 1; } else { BIO_printf(bio_err, "unknown option %s\n", *argv); badops = 1; break; } argc--; argv++; } if (badops) { bad: BIO_printf(bio_err, "%s [options] [bits] <infile >outfile\n", prog); BIO_printf(bio_err, "where options are\n"); BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); BIO_printf(bio_err, " -in arg input file\n"); BIO_printf(bio_err, " -out arg output file\n"); BIO_printf(bio_err, " -text print as text\n"); BIO_printf(bio_err, " -C Output C code\n"); BIO_printf(bio_err, " -noout no output\n"); BIO_printf(bio_err, " -genkey generate a DSA key\n"); BIO_printf(bio_err, " -rand files to use for random number input\n"); # ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n"); # endif # ifdef GENCB_TEST BIO_printf(bio_err, " -timebomb n interrupt keygen after <n> seconds\n"); # endif BIO_printf(bio_err, " number number of bits to use for generating private key\n"); goto end; } ERR_load_crypto_strings(); in = BIO_new(BIO_s_file()); out = BIO_new(BIO_s_file()); if ((in == NULL) || (out == NULL)) { ERR_print_errors(bio_err); goto end; } if (infile == NULL) BIO_set_fp(in, stdin, BIO_NOCLOSE); else { if (BIO_read_filename(in, infile) <= 0) { perror(infile); goto end; } } if (outfile == NULL) { BIO_set_fp(out, stdout, BIO_NOCLOSE); # ifdef OPENSSL_SYS_VMS { BIO *tmpbio = BIO_new(BIO_f_linebuffer()); out = BIO_push(tmpbio, out); } # endif } else { if (BIO_write_filename(out, outfile) <= 0) { perror(outfile); goto end; } } # ifndef OPENSSL_NO_ENGINE setup_engine(bio_err, engine, 0); # endif if (need_rand) { app_RAND_load_file(NULL, bio_err, (inrand != NULL)); if (inrand != NULL) BIO_printf(bio_err, "%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); } if (numbits > 0) { cb = BN_GENCB_new(); if (!cb) { BIO_printf(bio_err, "Error allocating BN_GENCB object\n"); goto end; } BN_GENCB_set(cb, dsa_cb, bio_err); assert(need_rand); dsa = DSA_new(); if (!dsa) { BIO_printf(bio_err, "Error allocating DSA object\n"); goto end; } if (non_fips_allow) dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW; BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", num); BIO_printf(bio_err, "This could take some time\n"); # ifdef GENCB_TEST if (timebomb > 0) { struct sigaction act; act.sa_handler = timebomb_sigalarm; act.sa_flags = 0; BIO_printf(bio_err, "(though I'll stop it if not done within %d secs)\n", timebomb); if (sigaction(SIGALRM, &act, NULL) != 0) { BIO_printf(bio_err, "Error, couldn't set SIGALRM handler\n"); goto end; } alarm(timebomb); } # endif if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) { # ifdef GENCB_TEST if (stop_keygen_flag) { BIO_printf(bio_err, "DSA key generation time-stopped\n"); ret = 0; goto end; } # endif ERR_print_errors(bio_err); BIO_printf(bio_err, "Error, DSA key generation failed\n"); goto end; } } else if (informat == FORMAT_ASN1) dsa = d2i_DSAparams_bio(in, NULL); else if (informat == FORMAT_PEM) dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL); else { BIO_printf(bio_err, "bad input format specified\n"); goto end; } if (dsa == NULL) { BIO_printf(bio_err, "unable to load DSA parameters\n"); ERR_print_errors(bio_err); goto end; } if (text) { DSAparams_print(out, dsa); } if (C) { unsigned char *data; int l, len, bits_p; len = BN_num_bytes(dsa->p); bits_p = BN_num_bits(dsa->p); data = (unsigned char *)OPENSSL_malloc(len + 20); if (data == NULL) { perror("OPENSSL_malloc"); goto end; } l = BN_bn2bin(dsa->p, data); printf("static unsigned char dsa%d_p[]={", bits_p); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t"); printf("0x%02X,", data[i]); } printf("\n\t};\n"); l = BN_bn2bin(dsa->q, data); printf("static unsigned char dsa%d_q[]={", bits_p); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t"); printf("0x%02X,", data[i]); } printf("\n\t};\n"); l = BN_bn2bin(dsa->g, data); printf("static unsigned char dsa%d_g[]={", bits_p); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t"); printf("0x%02X,", data[i]); } printf("\n\t};\n\n"); printf("DSA *get_dsa%d()\n\t{\n", bits_p); printf("\tDSA *dsa;\n\n"); printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n"); printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n", bits_p, bits_p); printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n", bits_p, bits_p); printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n", bits_p, bits_p); printf ("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n"); printf("\t\t{ DSA_free(dsa); return(NULL); }\n"); printf("\treturn(dsa);\n\t}\n"); } if (!noout) { if (outformat == FORMAT_ASN1) i = i2d_DSAparams_bio(out, dsa); else if (outformat == FORMAT_PEM) i = PEM_write_bio_DSAparams(out, dsa); else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write DSA parameters\n"); ERR_print_errors(bio_err); goto end; } } if (genkey) { DSA *dsakey; assert(need_rand); if ((dsakey = DSAparams_dup(dsa)) == NULL) goto end; if (non_fips_allow) dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW; if (!DSA_generate_key(dsakey)) { ERR_print_errors(bio_err); DSA_free(dsakey); goto end; } if (outformat == FORMAT_ASN1) i = i2d_DSAPrivateKey_bio(out, dsakey); else if (outformat == FORMAT_PEM) i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL, NULL); else { BIO_printf(bio_err, "bad output format specified for outfile\n"); DSA_free(dsakey); goto end; } DSA_free(dsakey); } if (need_rand) app_RAND_write_file(NULL, bio_err); ret = 0; end: if (cb != NULL) BN_GENCB_free(cb); if (in != NULL) BIO_free(in); if (out != NULL) BIO_free_all(out); if (dsa != NULL) DSA_free(dsa); apps_shutdown(); OPENSSL_EXIT(ret); }
['int MAIN(int argc, char **argv)\n{\n DSA *dsa = NULL;\n int i, badops = 0, text = 0;\n BIO *in = NULL, *out = NULL;\n int informat, outformat, noout = 0, C = 0, ret = 1;\n char *infile, *outfile, *prog, *inrand = NULL;\n int numbits = -1, num, genkey = 0;\n int need_rand = 0;\n int non_fips_allow = 0;\n BN_GENCB *cb = NULL;\n# ifndef OPENSSL_NO_ENGINE\n char *engine = NULL;\n# endif\n# ifdef GENCB_TEST\n int timebomb = 0;\n# endif\n apps_startup();\n if (bio_err == NULL)\n if ((bio_err = BIO_new(BIO_s_file())) != NULL)\n BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);\n if (!load_config(bio_err, NULL))\n goto end;\n infile = NULL;\n outfile = NULL;\n informat = FORMAT_PEM;\n outformat = FORMAT_PEM;\n prog = argv[0];\n argc--;\n argv++;\n while (argc >= 1) {\n if (strcmp(*argv, "-inform") == 0) {\n if (--argc < 1)\n goto bad;\n informat = str2fmt(*(++argv));\n } else if (strcmp(*argv, "-outform") == 0) {\n if (--argc < 1)\n goto bad;\n outformat = str2fmt(*(++argv));\n } else if (strcmp(*argv, "-in") == 0) {\n if (--argc < 1)\n goto bad;\n infile = *(++argv);\n } else if (strcmp(*argv, "-out") == 0) {\n if (--argc < 1)\n goto bad;\n outfile = *(++argv);\n }\n# ifndef OPENSSL_NO_ENGINE\n else if (strcmp(*argv, "-engine") == 0) {\n if (--argc < 1)\n goto bad;\n engine = *(++argv);\n }\n# endif\n# ifdef GENCB_TEST\n else if (strcmp(*argv, "-timebomb") == 0) {\n if (--argc < 1)\n goto bad;\n timebomb = atoi(*(++argv));\n }\n# endif\n else if (strcmp(*argv, "-text") == 0)\n text = 1;\n else if (strcmp(*argv, "-C") == 0)\n C = 1;\n else if (strcmp(*argv, "-genkey") == 0) {\n genkey = 1;\n need_rand = 1;\n } else if (strcmp(*argv, "-rand") == 0) {\n if (--argc < 1)\n goto bad;\n inrand = *(++argv);\n need_rand = 1;\n } else if (strcmp(*argv, "-noout") == 0)\n noout = 1;\n else if (strcmp(*argv, "-non-fips-allow") == 0)\n non_fips_allow = 1;\n else if (sscanf(*argv, "%d", &num) == 1) {\n numbits = num;\n need_rand = 1;\n } else {\n BIO_printf(bio_err, "unknown option %s\\n", *argv);\n badops = 1;\n break;\n }\n argc--;\n argv++;\n }\n if (badops) {\n bad:\n BIO_printf(bio_err, "%s [options] [bits] <infile >outfile\\n", prog);\n BIO_printf(bio_err, "where options are\\n");\n BIO_printf(bio_err, " -inform arg input format - DER or PEM\\n");\n BIO_printf(bio_err, " -outform arg output format - DER or PEM\\n");\n BIO_printf(bio_err, " -in arg input file\\n");\n BIO_printf(bio_err, " -out arg output file\\n");\n BIO_printf(bio_err, " -text print as text\\n");\n BIO_printf(bio_err, " -C Output C code\\n");\n BIO_printf(bio_err, " -noout no output\\n");\n BIO_printf(bio_err, " -genkey generate a DSA key\\n");\n BIO_printf(bio_err,\n " -rand files to use for random number input\\n");\n# ifndef OPENSSL_NO_ENGINE\n BIO_printf(bio_err,\n " -engine e use engine e, possibly a hardware device.\\n");\n# endif\n# ifdef GENCB_TEST\n BIO_printf(bio_err,\n " -timebomb n interrupt keygen after <n> seconds\\n");\n# endif\n BIO_printf(bio_err,\n " number number of bits to use for generating private key\\n");\n goto end;\n }\n ERR_load_crypto_strings();\n in = BIO_new(BIO_s_file());\n out = BIO_new(BIO_s_file());\n if ((in == NULL) || (out == NULL)) {\n ERR_print_errors(bio_err);\n goto end;\n }\n if (infile == NULL)\n BIO_set_fp(in, stdin, BIO_NOCLOSE);\n else {\n if (BIO_read_filename(in, infile) <= 0) {\n perror(infile);\n goto end;\n }\n }\n if (outfile == NULL) {\n BIO_set_fp(out, stdout, BIO_NOCLOSE);\n# ifdef OPENSSL_SYS_VMS\n {\n BIO *tmpbio = BIO_new(BIO_f_linebuffer());\n out = BIO_push(tmpbio, out);\n }\n# endif\n } else {\n if (BIO_write_filename(out, outfile) <= 0) {\n perror(outfile);\n goto end;\n }\n }\n# ifndef OPENSSL_NO_ENGINE\n setup_engine(bio_err, engine, 0);\n# endif\n if (need_rand) {\n app_RAND_load_file(NULL, bio_err, (inrand != NULL));\n if (inrand != NULL)\n BIO_printf(bio_err, "%ld semi-random bytes loaded\\n",\n app_RAND_load_files(inrand));\n }\n if (numbits > 0) {\n cb = BN_GENCB_new();\n if (!cb) {\n BIO_printf(bio_err, "Error allocating BN_GENCB object\\n");\n goto end;\n }\n BN_GENCB_set(cb, dsa_cb, bio_err);\n assert(need_rand);\n dsa = DSA_new();\n if (!dsa) {\n BIO_printf(bio_err, "Error allocating DSA object\\n");\n goto end;\n }\n if (non_fips_allow)\n dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;\n BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\\n",\n num);\n BIO_printf(bio_err, "This could take some time\\n");\n# ifdef GENCB_TEST\n if (timebomb > 0) {\n struct sigaction act;\n act.sa_handler = timebomb_sigalarm;\n act.sa_flags = 0;\n BIO_printf(bio_err,\n "(though I\'ll stop it if not done within %d secs)\\n",\n timebomb);\n if (sigaction(SIGALRM, &act, NULL) != 0) {\n BIO_printf(bio_err, "Error, couldn\'t set SIGALRM handler\\n");\n goto end;\n }\n alarm(timebomb);\n }\n# endif\n if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) {\n# ifdef GENCB_TEST\n if (stop_keygen_flag) {\n BIO_printf(bio_err, "DSA key generation time-stopped\\n");\n ret = 0;\n goto end;\n }\n# endif\n ERR_print_errors(bio_err);\n BIO_printf(bio_err, "Error, DSA key generation failed\\n");\n goto end;\n }\n } else if (informat == FORMAT_ASN1)\n dsa = d2i_DSAparams_bio(in, NULL);\n else if (informat == FORMAT_PEM)\n dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);\n else {\n BIO_printf(bio_err, "bad input format specified\\n");\n goto end;\n }\n if (dsa == NULL) {\n BIO_printf(bio_err, "unable to load DSA parameters\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n if (text) {\n DSAparams_print(out, dsa);\n }\n if (C) {\n unsigned char *data;\n int l, len, bits_p;\n len = BN_num_bytes(dsa->p);\n bits_p = BN_num_bits(dsa->p);\n data = (unsigned char *)OPENSSL_malloc(len + 20);\n if (data == NULL) {\n perror("OPENSSL_malloc");\n goto end;\n }\n l = BN_bn2bin(dsa->p, data);\n printf("static unsigned char dsa%d_p[]={", bits_p);\n for (i = 0; i < l; i++) {\n if ((i % 12) == 0)\n printf("\\n\\t");\n printf("0x%02X,", data[i]);\n }\n printf("\\n\\t};\\n");\n l = BN_bn2bin(dsa->q, data);\n printf("static unsigned char dsa%d_q[]={", bits_p);\n for (i = 0; i < l; i++) {\n if ((i % 12) == 0)\n printf("\\n\\t");\n printf("0x%02X,", data[i]);\n }\n printf("\\n\\t};\\n");\n l = BN_bn2bin(dsa->g, data);\n printf("static unsigned char dsa%d_g[]={", bits_p);\n for (i = 0; i < l; i++) {\n if ((i % 12) == 0)\n printf("\\n\\t");\n printf("0x%02X,", data[i]);\n }\n printf("\\n\\t};\\n\\n");\n printf("DSA *get_dsa%d()\\n\\t{\\n", bits_p);\n printf("\\tDSA *dsa;\\n\\n");\n printf("\\tif ((dsa=DSA_new()) == NULL) return(NULL);\\n");\n printf("\\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\\n",\n bits_p, bits_p);\n printf("\\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\\n",\n bits_p, bits_p);\n printf("\\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\\n",\n bits_p, bits_p);\n printf\n ("\\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\\n");\n printf("\\t\\t{ DSA_free(dsa); return(NULL); }\\n");\n printf("\\treturn(dsa);\\n\\t}\\n");\n }\n if (!noout) {\n if (outformat == FORMAT_ASN1)\n i = i2d_DSAparams_bio(out, dsa);\n else if (outformat == FORMAT_PEM)\n i = PEM_write_bio_DSAparams(out, dsa);\n else {\n BIO_printf(bio_err, "bad output format specified for outfile\\n");\n goto end;\n }\n if (!i) {\n BIO_printf(bio_err, "unable to write DSA parameters\\n");\n ERR_print_errors(bio_err);\n goto end;\n }\n }\n if (genkey) {\n DSA *dsakey;\n assert(need_rand);\n if ((dsakey = DSAparams_dup(dsa)) == NULL)\n goto end;\n if (non_fips_allow)\n dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;\n if (!DSA_generate_key(dsakey)) {\n ERR_print_errors(bio_err);\n DSA_free(dsakey);\n goto end;\n }\n if (outformat == FORMAT_ASN1)\n i = i2d_DSAPrivateKey_bio(out, dsakey);\n else if (outformat == FORMAT_PEM)\n i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,\n NULL);\n else {\n BIO_printf(bio_err, "bad output format specified for outfile\\n");\n DSA_free(dsakey);\n goto end;\n }\n DSA_free(dsakey);\n }\n if (need_rand)\n app_RAND_write_file(NULL, bio_err);\n ret = 0;\n end:\n if (cb != NULL)\n BN_GENCB_free(cb);\n if (in != NULL)\n BIO_free(in);\n if (out != NULL)\n BIO_free_all(out);\n if (dsa != NULL)\n DSA_free(dsa);\n apps_shutdown();\n OPENSSL_EXIT(ret);\n}']
5,789
0
https://github.com/libav/libav/blob/0e7fa0bc3ba8eaea3eb623aa269806d2eca3a2c2/libavcodec/vp8dsp.c/#L167
static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I) { LOAD_PIXELS return simple_limit(p, stride, E) && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I; }
['static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)\n{\n LOAD_PIXELS\n return simple_limit(p, stride, E)\n && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I\n && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;\n}']
5,790
0
https://github.com/openssl/openssl/blob/5dfc369ffcdc4722482c818e6ba6cf6e704c2cb5/crypto/md5/md5_dgst.c/#L123
void MD5_Update(MD5_CTX *c, const void *_data, unsigned long len) { register const unsigned char *data=_data; register ULONG *p; int sw,sc; ULONG l; if (len == 0) return; l=(c->Nl+(len<<3))&0xffffffffL; if (l < c->Nl) c->Nh++; c->Nh+=(len>>29); c->Nl=l; if (c->num != 0) { p=c->data; sw=c->num>>2; sc=c->num&0x03; if ((c->num+len) >= MD5_CBLOCK) { l= p[sw]; p_c2l(data,l,sc); p[sw++]=l; for (; sw<MD5_LBLOCK; sw++) { c2l(data,l); p[sw]=l; } len-=(MD5_CBLOCK-c->num); md5_block(c,p,64); c->num=0; } else { int ew,ec; c->num+=(int)len; if ((sc+len) < 4) { l= p[sw]; p_c2l_p(data,l,sc,len); p[sw]=l; } else { ew=(c->num>>2); ec=(c->num&0x03); l= p[sw]; p_c2l(data,l,sc); p[sw++]=l; for (; sw < ew; sw++) { c2l(data,l); p[sw]=l; } if (ec) { c2l_p(data,l,ec); p[sw]=l; } } return; } } #ifdef L_ENDIAN if ((((unsigned long)data)%sizeof(ULONG)) == 0) { sw=(int)len/MD5_CBLOCK; if (sw > 0) { sw*=MD5_CBLOCK; md5_block(c,(ULONG *)data,sw); data+=sw; len-=sw; } } #endif p=c->data; while (len >= MD5_CBLOCK) { #if defined(L_ENDIAN) || defined(B_ENDIAN) if (p != (unsigned long *)data) memcpy(p,data,MD5_CBLOCK); data+=MD5_CBLOCK; #ifdef B_ENDIAN for (sw=(MD5_LBLOCK/4); sw; sw--) { Endian_Reverse32(p[0]); Endian_Reverse32(p[1]); Endian_Reverse32(p[2]); Endian_Reverse32(p[3]); p+=4; } #endif #else for (sw=(MD5_LBLOCK/4); sw; sw--) { c2l(data,l); *(p++)=l; c2l(data,l); *(p++)=l; c2l(data,l); *(p++)=l; c2l(data,l); *(p++)=l; } #endif p=c->data; md5_block(c,p,64); len-=MD5_CBLOCK; } sc=(int)len; c->num=sc; if (sc) { sw=sc>>2; #ifdef L_ENDIAN p[sw]=0; memcpy(p,data,sc); #else sc&=0x03; for ( ; sw; sw--) { c2l(data,l); *(p++)=l; } c2l_p(data,l,sc); *p=l; #endif } }
["void ssl2_generate_key_material(SSL *s)\n\t{\n\tunsigned int i;\n\tMD5_CTX ctx;\n\tunsigned char *km;\n\tunsigned char c='0';\n\tkm=s->s2->key_material;\n\tfor (i=0; i<s->s2->key_material_length; i+=MD5_DIGEST_LENGTH)\n\t\t{\n\t\tMD5_Init(&ctx);\n\t\tMD5_Update(&ctx,s->session->master_key,s->session->master_key_length);\n\t\tMD5_Update(&ctx,(unsigned char *)&c,1);\n\t\tc++;\n\t\tMD5_Update(&ctx,s->s2->challenge,s->s2->challenge_length);\n\t\tMD5_Update(&ctx,s->s2->conn_id,s->s2->conn_id_length);\n\t\tMD5_Final(km,&ctx);\n\t\tkm+=MD5_DIGEST_LENGTH;\n\t\t}\n\t}", 'void MD5_Init(MD5_CTX *c)\n\t{\n\tc->A=INIT_DATA_A;\n\tc->B=INIT_DATA_B;\n\tc->C=INIT_DATA_C;\n\tc->D=INIT_DATA_D;\n\tc->Nl=0;\n\tc->Nh=0;\n\tc->num=0;\n\t}', 'void MD5_Update(MD5_CTX *c, const void *_data, unsigned long len)\n\t{\n\tregister const unsigned char *data=_data;\n\tregister ULONG *p;\n\tint sw,sc;\n\tULONG l;\n\tif (len == 0) return;\n\tl=(c->Nl+(len<<3))&0xffffffffL;\n\tif (l < c->Nl)\n\t\tc->Nh++;\n\tc->Nh+=(len>>29);\n\tc->Nl=l;\n\tif (c->num != 0)\n\t\t{\n\t\tp=c->data;\n\t\tsw=c->num>>2;\n\t\tsc=c->num&0x03;\n\t\tif ((c->num+len) >= MD5_CBLOCK)\n\t\t\t{\n\t\t\tl= p[sw];\n\t\t\tp_c2l(data,l,sc);\n\t\t\tp[sw++]=l;\n\t\t\tfor (; sw<MD5_LBLOCK; sw++)\n\t\t\t\t{\n\t\t\t\tc2l(data,l);\n\t\t\t\tp[sw]=l;\n\t\t\t\t}\n\t\t\tlen-=(MD5_CBLOCK-c->num);\n\t\t\tmd5_block(c,p,64);\n\t\t\tc->num=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tint ew,ec;\n\t\t\tc->num+=(int)len;\n\t\t\tif ((sc+len) < 4)\n\t\t\t\t{\n\t\t\t\tl= p[sw];\n\t\t\t\tp_c2l_p(data,l,sc,len);\n\t\t\t\tp[sw]=l;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tew=(c->num>>2);\n\t\t\t\tec=(c->num&0x03);\n\t\t\t\tl= p[sw];\n\t\t\t\tp_c2l(data,l,sc);\n\t\t\t\tp[sw++]=l;\n\t\t\t\tfor (; sw < ew; sw++)\n\t\t\t\t\t{ c2l(data,l); p[sw]=l; }\n\t\t\t\tif (ec)\n\t\t\t\t\t{\n\t\t\t\t\tc2l_p(data,l,ec);\n\t\t\t\t\tp[sw]=l;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\treturn;\n\t\t\t}\n\t\t}\n#ifdef L_ENDIAN\n\tif ((((unsigned long)data)%sizeof(ULONG)) == 0)\n\t\t{\n\t\tsw=(int)len/MD5_CBLOCK;\n\t\tif (sw > 0)\n\t\t\t{\n\t\t\tsw*=MD5_CBLOCK;\n\t\t\tmd5_block(c,(ULONG *)data,sw);\n\t\t\tdata+=sw;\n\t\t\tlen-=sw;\n\t\t\t}\n\t\t}\n#endif\n\tp=c->data;\n\twhile (len >= MD5_CBLOCK)\n\t\t{\n#if defined(L_ENDIAN) || defined(B_ENDIAN)\n\t\tif (p != (unsigned long *)data)\n\t\t\tmemcpy(p,data,MD5_CBLOCK);\n\t\tdata+=MD5_CBLOCK;\n#ifdef B_ENDIAN\n\t\tfor (sw=(MD5_LBLOCK/4); sw; sw--)\n\t\t\t{\n\t\t\tEndian_Reverse32(p[0]);\n\t\t\tEndian_Reverse32(p[1]);\n\t\t\tEndian_Reverse32(p[2]);\n\t\t\tEndian_Reverse32(p[3]);\n\t\t\tp+=4;\n\t\t\t}\n#endif\n#else\n\t\tfor (sw=(MD5_LBLOCK/4); sw; sw--)\n\t\t\t{\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\t}\n#endif\n\t\tp=c->data;\n\t\tmd5_block(c,p,64);\n\t\tlen-=MD5_CBLOCK;\n\t\t}\n\tsc=(int)len;\n\tc->num=sc;\n\tif (sc)\n\t\t{\n\t\tsw=sc>>2;\n#ifdef L_ENDIAN\n\t\tp[sw]=0;\n\t\tmemcpy(p,data,sc);\n#else\n\t\tsc&=0x03;\n\t\tfor ( ; sw; sw--)\n\t\t\t{ c2l(data,l); *(p++)=l; }\n\t\tc2l_p(data,l,sc);\n\t\t*p=l;\n#endif\n\t\t}\n\t}']
5,791
0
https://github.com/openssl/openssl/blob/2b527b9b3233eb312a4bf17b044660aa213883b6/ssl/ssl_ciph.c/#L1184
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; }
['static int test_client_hello(int currtest)\n{\n SSL_CTX *ctx;\n SSL *con = NULL;\n BIO *rbio;\n BIO *wbio;\n long len;\n unsigned char *data;\n PACKET pkt = {0}, pkt2 = {0}, pkt3 = {0};\n char *dummytick = "Hello World!";\n unsigned int type = 0;\n int testresult = 0;\n size_t msglen;\n BIO *sessbio = NULL;\n SSL_SESSION *sess = NULL;\n#ifdef OPENSSL_NO_TLS1_3\n if (currtest == TEST_ADD_PADDING_AND_PSK)\n return 1;\n#endif\n ctx = SSL_CTX_new(TLS_method());\n if (!TEST_ptr(ctx))\n goto end;\n switch(currtest) {\n case TEST_SET_SESSION_TICK_DATA_VER_NEG:\n#if !defined(OPENSSL_NO_TLS1_3) && defined(OPENSSL_NO_TLS1_2)\n return 1;\n#else\n if (!TEST_true(SSL_CTX_set_max_proto_version(ctx, TLS1_2_VERSION)))\n goto end;\n#endif\n break;\n case TEST_ADD_PADDING_AND_PSK:\n if (!TEST_true(SSL_CTX_set_cipher_list(ctx, "")))\n goto end;\n case TEST_ADD_PADDING:\n case TEST_PADDING_NOT_NEEDED:\n SSL_CTX_set_options(ctx, SSL_OP_TLSEXT_PADDING);\n SSL_CTX_clear_options(ctx, SSL_OP_ENABLE_MIDDLEBOX_COMPAT);\n if (currtest == TEST_ADD_PADDING) {\n if (!TEST_false(SSL_CTX_set_alpn_protos(ctx,\n (unsigned char *)alpn_prots,\n sizeof(alpn_prots) - 1)))\n goto end;\n } else if (!TEST_true(SSL_CTX_set_cipher_list(ctx,\n "AES128-SHA:TLS13-AES-128-GCM-SHA256"))) {\n goto end;\n }\n break;\n default:\n goto end;\n }\n con = SSL_new(ctx);\n if (!TEST_ptr(con))\n goto end;\n if (currtest == TEST_ADD_PADDING_AND_PSK) {\n sessbio = BIO_new_file(sessionfile, "r");\n if (!TEST_ptr(sessbio)) {\n TEST_info("Unable to open session.pem");\n goto end;\n }\n sess = PEM_read_bio_SSL_SESSION(sessbio, NULL, NULL, NULL);\n if (!TEST_ptr(sess)) {\n TEST_info("Unable to load SSL_SESSION");\n goto end;\n }\n if (!TEST_true(SSL_SESSION_set_time(sess, (long)time(NULL)))\n || !TEST_true(SSL_set_session(con, sess)))\n goto end;\n }\n rbio = BIO_new(BIO_s_mem());\n wbio = BIO_new(BIO_s_mem());\n if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) {\n BIO_free(rbio);\n BIO_free(wbio);\n goto end;\n }\n SSL_set_bio(con, rbio, wbio);\n SSL_set_connect_state(con);\n if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {\n if (!TEST_true(SSL_set_session_ticket_ext(con, dummytick,\n strlen(dummytick))))\n goto end;\n }\n if (!TEST_int_le(SSL_connect(con), 0)) {\n goto end;\n }\n len = BIO_get_mem_data(wbio, (char **)&data);\n if (!TEST_true(PACKET_buf_init(&pkt, data, len))\n || !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH))\n goto end;\n msglen = PACKET_remaining(&pkt);\n if (!TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH))\n || !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN\n + SSL3_RANDOM_SIZE))\n || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))\n || !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2))\n || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))\n || !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2)))\n goto end;\n while (PACKET_remaining(&pkt2)) {\n if (!TEST_true(PACKET_get_net_2(&pkt2, &type))\n || !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3)))\n goto end;\n if (type == TLSEXT_TYPE_session_ticket) {\n if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {\n if (TEST_true(PACKET_equal(&pkt3, dummytick,\n strlen(dummytick)))) {\n testresult = 1;\n }\n goto end;\n }\n }\n if (type == TLSEXT_TYPE_padding) {\n if (!TEST_false(currtest == TEST_PADDING_NOT_NEEDED))\n goto end;\n else if (TEST_true(currtest == TEST_ADD_PADDING\n || currtest == TEST_ADD_PADDING_AND_PSK))\n testresult = TEST_true(msglen == F5_WORKAROUND_MAX_MSG_LEN);\n }\n }\n if (currtest == TEST_PADDING_NOT_NEEDED)\n testresult = 1;\nend:\n SSL_free(con);\n SSL_CTX_free(ctx);\n SSL_SESSION_free(sess);\n BIO_free(sessbio);\n return testresult;\n}', 'int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)\n{\n STACK_OF(SSL_CIPHER) *sk;\n sk = ssl_create_cipher_list(ctx->method, ctx->tls13_ciphersuites,\n &ctx->cipher_list, &ctx->cipher_list_by_id, str,\n ctx->cert);\n if (sk == NULL)\n return 0;\n else if (sk_SSL_CIPHER_num(sk) == 0) {\n SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);\n return 0;\n }\n return 1;\n}', 'STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,\n STACK_OF(SSL_CIPHER) *tls13_ciphersuites,\n STACK_OF(SSL_CIPHER) **cipher_list,\n STACK_OF(SSL_CIPHER) **cipher_list_by_id,\n const char *rule_str,\n CERT *c)\n{\n int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases, i;\n uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;\n STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;\n const char *rule_p;\n CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;\n const SSL_CIPHER **ca_list = NULL;\n if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)\n return NULL;\n#ifndef OPENSSL_NO_EC\n if (!check_suiteb_cipher_list(ssl_method, c, &rule_str))\n return NULL;\n#endif\n disabled_mkey = disabled_mkey_mask;\n disabled_auth = disabled_auth_mask;\n disabled_enc = disabled_enc_mask;\n disabled_mac = disabled_mac_mask;\n num_of_ciphers = ssl_method->num_ciphers();\n co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers);\n if (co_list == NULL) {\n SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,\n disabled_mkey, disabled_auth, disabled_enc,\n disabled_mac, co_list, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD,\n -1, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD,\n -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n if (!ssl_cipher_strength_sort(&head, &tail)) {\n OPENSSL_free(co_list);\n return NULL;\n }\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0,\n CIPHER_BUMP, -1, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0,\n CIPHER_BUMP, -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);\n num_of_group_aliases = OSSL_NELEM(cipher_aliases);\n num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;\n ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max);\n if (ca_list == NULL) {\n OPENSSL_free(co_list);\n SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,\n disabled_mkey, disabled_auth, disabled_enc,\n disabled_mac, head);\n ok = 1;\n rule_p = rule_str;\n if (strncmp(rule_str, "DEFAULT", 7) == 0) {\n ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST,\n &head, &tail, ca_list, c);\n rule_p += 7;\n if (*rule_p == \':\')\n rule_p++;\n }\n if (ok && (strlen(rule_p) > 0))\n ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c);\n OPENSSL_free(ca_list);\n if (!ok) {\n OPENSSL_free(co_list);\n return NULL;\n }\n if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) {\n OPENSSL_free(co_list);\n return NULL;\n }\n for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) {\n if (!sk_SSL_CIPHER_push(cipherstack,\n sk_SSL_CIPHER_value(tls13_ciphersuites, i))) {\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n }\n for (curr = head; curr != NULL; curr = curr->next) {\n if (curr->active) {\n if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) {\n OPENSSL_free(co_list);\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n#ifdef CIPHER_DEBUG\n fprintf(stderr, "<%s>\\n", curr->cipher->name);\n#endif\n }\n }\n OPENSSL_free(co_list);\n tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);\n if (tmp_cipher_list == NULL) {\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n sk_SSL_CIPHER_free(*cipher_list);\n *cipher_list = cipherstack;\n if (*cipher_list_by_id != NULL)\n sk_SSL_CIPHER_free(*cipher_list_by_id);\n *cipher_list_by_id = tmp_cipher_list;\n (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, ssl_cipher_ptr_id_cmp);\n sk_SSL_CIPHER_sort(*cipher_list_by_id);\n return cipherstack;\n}', 'static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c,\n const char **prule_str)\n{\n unsigned int suiteb_flags = 0, suiteb_comb2 = 0;\n if (strncmp(*prule_str, "SUITEB128ONLY", 13) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY;\n } else if (strncmp(*prule_str, "SUITEB128C2", 11) == 0) {\n suiteb_comb2 = 1;\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;\n } else if (strncmp(*prule_str, "SUITEB128", 9) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;\n } else if (strncmp(*prule_str, "SUITEB192", 9) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_192_LOS;\n }\n if (suiteb_flags) {\n c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS;\n c->cert_flags |= suiteb_flags;\n } else {\n suiteb_flags = c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS;\n }\n if (!suiteb_flags)\n return 1;\n if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)) {\n SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST,\n SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE);\n return 0;\n }\n# ifndef OPENSSL_NO_EC\n switch (suiteb_flags) {\n case SSL_CERT_FLAG_SUITEB_128_LOS:\n if (suiteb_comb2)\n *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";\n else\n *prule_str =\n "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";\n break;\n case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY:\n *prule_str = "ECDHE-ECDSA-AES128-GCM-SHA256";\n break;\n case SSL_CERT_FLAG_SUITEB_192_LOS:\n *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";\n break;\n }\n return 1;\n# else\n SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST, SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE);\n return 0;\n# endif\n}', 'static int ssl_cipher_process_rulestr(const char *rule_str,\n CIPHER_ORDER **head_p,\n CIPHER_ORDER **tail_p,\n const SSL_CIPHER **ca_list, CERT *c)\n{\n uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength;\n int min_tls;\n const char *l, *buf;\n int j, multi, found, rule, retval, ok, buflen;\n uint32_t cipher_id = 0;\n char ch;\n retval = 1;\n l = rule_str;\n for ( ; ; ) {\n ch = *l;\n if (ch == \'\\0\')\n break;\n if (ch == \'-\') {\n rule = CIPHER_DEL;\n l++;\n } else if (ch == \'+\') {\n rule = CIPHER_ORD;\n l++;\n } else if (ch == \'!\') {\n rule = CIPHER_KILL;\n l++;\n } else if (ch == \'@\') {\n rule = CIPHER_SPECIAL;\n l++;\n } else {\n rule = CIPHER_ADD;\n }\n if (ITEM_SEP(ch)) {\n l++;\n continue;\n }\n alg_mkey = 0;\n alg_auth = 0;\n alg_enc = 0;\n alg_mac = 0;\n min_tls = 0;\n algo_strength = 0;\n for (;;) {\n ch = *l;\n buf = l;\n buflen = 0;\n#ifndef CHARSET_EBCDIC\n while (((ch >= \'A\') && (ch <= \'Z\')) ||\n ((ch >= \'0\') && (ch <= \'9\')) ||\n ((ch >= \'a\') && (ch <= \'z\')) ||\n (ch == \'-\') || (ch == \'.\') || (ch == \'=\'))\n#else\n while (isalnum((unsigned char)ch) || (ch == \'-\') || (ch == \'.\')\n || (ch == \'=\'))\n#endif\n {\n ch = *(++l);\n buflen++;\n }\n if (buflen == 0) {\n SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);\n retval = found = 0;\n l++;\n break;\n }\n if (rule == CIPHER_SPECIAL) {\n found = 0;\n break;\n }\n if (ch == \'+\') {\n multi = 1;\n l++;\n } else {\n multi = 0;\n }\n j = found = 0;\n cipher_id = 0;\n while (ca_list[j]) {\n if (strncmp(buf, ca_list[j]->name, buflen) == 0\n && (ca_list[j]->name[buflen] == \'\\0\')) {\n found = 1;\n break;\n } else\n j++;\n }\n if (!found)\n break;\n if (ca_list[j]->algorithm_mkey) {\n if (alg_mkey) {\n alg_mkey &= ca_list[j]->algorithm_mkey;\n if (!alg_mkey) {\n found = 0;\n break;\n }\n } else {\n alg_mkey = ca_list[j]->algorithm_mkey;\n }\n }\n if (ca_list[j]->algorithm_auth) {\n if (alg_auth) {\n alg_auth &= ca_list[j]->algorithm_auth;\n if (!alg_auth) {\n found = 0;\n break;\n }\n } else {\n alg_auth = ca_list[j]->algorithm_auth;\n }\n }\n if (ca_list[j]->algorithm_enc) {\n if (alg_enc) {\n alg_enc &= ca_list[j]->algorithm_enc;\n if (!alg_enc) {\n found = 0;\n break;\n }\n } else {\n alg_enc = ca_list[j]->algorithm_enc;\n }\n }\n if (ca_list[j]->algorithm_mac) {\n if (alg_mac) {\n alg_mac &= ca_list[j]->algorithm_mac;\n if (!alg_mac) {\n found = 0;\n break;\n }\n } else {\n alg_mac = ca_list[j]->algorithm_mac;\n }\n }\n if (ca_list[j]->algo_strength & SSL_STRONG_MASK) {\n if (algo_strength & SSL_STRONG_MASK) {\n algo_strength &=\n (ca_list[j]->algo_strength & SSL_STRONG_MASK) |\n ~SSL_STRONG_MASK;\n if (!(algo_strength & SSL_STRONG_MASK)) {\n found = 0;\n break;\n }\n } else {\n algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK;\n }\n }\n if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) {\n if (algo_strength & SSL_DEFAULT_MASK) {\n algo_strength &=\n (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) |\n ~SSL_DEFAULT_MASK;\n if (!(algo_strength & SSL_DEFAULT_MASK)) {\n found = 0;\n break;\n }\n } else {\n algo_strength |=\n ca_list[j]->algo_strength & SSL_DEFAULT_MASK;\n }\n }\n if (ca_list[j]->valid) {\n cipher_id = ca_list[j]->id;\n } else {\n if (ca_list[j]->min_tls) {\n if (min_tls != 0 && min_tls != ca_list[j]->min_tls) {\n found = 0;\n break;\n } else {\n min_tls = ca_list[j]->min_tls;\n }\n }\n }\n if (!multi)\n break;\n }\n if (rule == CIPHER_SPECIAL) {\n ok = 0;\n if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0) {\n ok = ssl_cipher_strength_sort(head_p, tail_p);\n } else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) {\n int level = buf[9] - \'0\';\n if (level < 0 || level > 5) {\n SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR,\n SSL_R_INVALID_COMMAND);\n } else {\n c->sec_level = level;\n ok = 1;\n }\n } else {\n SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);\n }\n if (ok == 0)\n retval = 0;\n while ((*l != \'\\0\') && !ITEM_SEP(*l))\n l++;\n } else if (found) {\n ssl_cipher_apply_rule(cipher_id,\n alg_mkey, alg_auth, alg_enc, alg_mac,\n min_tls, algo_strength, rule, -1, head_p,\n tail_p);\n } else {\n while ((*l != \'\\0\') && !ITEM_SEP(*l))\n l++;\n }\n if (*l == \'\\0\')\n break;\n }\n return retval;\n}']
5,792
0
https://github.com/openssl/openssl/blob/4718f449a3ecd5efac62b22d0fa9a759a7895dbc/test/handshake_helper.c/#L132
static int select_server_ctx(SSL *s, void *arg, int ignore) { const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); HANDSHAKE_EX_DATA *ex_data = (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); if (servername == NULL) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return SSL_TLSEXT_ERR_NOACK; } if (strcmp(servername, "server2") == 0) { SSL_CTX *new_ctx = (SSL_CTX*)arg; SSL_set_SSL_CTX(s, new_ctx); SSL_clear_options(s, 0xFFFFFFFFL); SSL_set_options(s, SSL_CTX_get_options(new_ctx)); ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; return SSL_TLSEXT_ERR_OK; } else if (strcmp(servername, "server1") == 0) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return SSL_TLSEXT_ERR_OK; } else if (ignore) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return SSL_TLSEXT_ERR_NOACK; } else { return SSL_TLSEXT_ERR_ALERT_FATAL; } }
['static int select_server_ctx(SSL *s, void *arg, int ignore)\n{\n const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);\n HANDSHAKE_EX_DATA *ex_data =\n (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));\n if (servername == NULL) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_NOACK;\n }\n if (strcmp(servername, "server2") == 0) {\n SSL_CTX *new_ctx = (SSL_CTX*)arg;\n SSL_set_SSL_CTX(s, new_ctx);\n SSL_clear_options(s, 0xFFFFFFFFL);\n SSL_set_options(s, SSL_CTX_get_options(new_ctx));\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;\n return SSL_TLSEXT_ERR_OK;\n } else if (strcmp(servername, "server1") == 0) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_OK;\n } else if (ignore) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_NOACK;\n } else {\n return SSL_TLSEXT_ERR_ALERT_FATAL;\n }\n}', 'const char *SSL_get_servername(const SSL *s, const int type)\n{\n if (type != TLSEXT_NAMETYPE_host_name)\n return NULL;\n return s->session && !s->ext.hostname ?\n s->session->ext.hostname : s->ext.hostname;\n}', 'void *SSL_get_ex_data(const SSL *s, int idx)\n{\n return CRYPTO_get_ex_data(&s->ex_data, idx);\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n return NULL;\n return sk_void_value(ad->sk, idx);\n}', 'SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)\n{\n CERT *new_cert;\n if (ssl->ctx == ctx)\n return ssl->ctx;\n if (ctx == NULL)\n ctx = ssl->session_ctx;\n new_cert = ssl_cert_dup(ctx->cert);\n if (new_cert == NULL) {\n return NULL;\n }\n if (!custom_exts_copy_flags(&new_cert->custext, &ssl->cert->custext)) {\n ssl_cert_free(new_cert);\n return NULL;\n }\n ssl_cert_free(ssl->cert);\n ssl->cert = new_cert;\n if (!ossl_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)))\n return NULL;\n if ((ssl->ctx != NULL) &&\n (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&\n (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {\n ssl->sid_ctx_length = ctx->sid_ctx_length;\n memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));\n }\n SSL_CTX_up_ref(ctx);\n SSL_CTX_free(ssl->ctx);\n ssl->ctx = ctx;\n return ssl->ctx;\n}', 'void ssl_cert_free(CERT *c)\n{\n int i;\n if (c == NULL)\n return;\n CRYPTO_DOWN_REF(&c->references, &i, c->lock);\n REF_PRINT_COUNT("CERT", c);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n#ifndef OPENSSL_NO_DH\n EVP_PKEY_free(c->dh_tmp);\n#endif\n ssl_cert_clear_certs(c);\n OPENSSL_free(c->conf_sigalgs);\n OPENSSL_free(c->client_sigalgs);\n OPENSSL_free(c->shared_sigalgs);\n OPENSSL_free(c->ctype);\n X509_STORE_free(c->verify_store);\n X509_STORE_free(c->chain_store);\n custom_exts_free(&c->custext);\n#ifndef OPENSSL_NO_PSK\n OPENSSL_free(c->psk_identity_hint);\n#endif\n CRYPTO_THREAD_lock_free(c->lock);\n OPENSSL_free(c);\n}', 'unsigned long SSL_clear_options(SSL *s, unsigned long op)\n{\n return s->options &= ~op;\n}', 'unsigned long SSL_CTX_get_options(const SSL_CTX *ctx)\n{\n return ctx->options;\n}', 'unsigned long SSL_set_options(SSL *s, unsigned long op)\n{\n return s->options |= op;\n}']
5,793
0
https://github.com/openssl/openssl/blob/92eb4c551d7433ba1e74e77001dab2e256f8a870/crypto/bn/bn_ctx.c/#L355
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
['static int generate_key(DH *dh)\n\t{\n\tint ok=0;\n\tint generate_new_key=0;\n\tunsigned l;\n\tBN_CTX *ctx;\n\tBN_MONT_CTX *mont=NULL;\n\tBIGNUM *pub_key=NULL,*priv_key=NULL;\n#ifdef OPENSSL_FIPS\n\tif (FIPS_mode() && (BN_num_bits(dh->p) < OPENSSL_DH_FIPS_MIN_MODULUS_BITS))\n\t\t{\n\t\tDHerr(DH_F_GENERATE_KEY, DH_R_KEY_SIZE_TOO_SMALL);\n\t\treturn 0;\n\t\t}\n#endif\n\tctx = BN_CTX_new();\n\tif (ctx == NULL) goto err;\n\tif (dh->priv_key == NULL)\n\t\t{\n\t\tpriv_key=BN_new();\n\t\tif (priv_key == NULL) goto err;\n\t\tgenerate_new_key=1;\n\t\t}\n\telse\n\t\tpriv_key=dh->priv_key;\n\tif (dh->pub_key == NULL)\n\t\t{\n\t\tpub_key=BN_new();\n\t\tif (pub_key == NULL) goto err;\n\t\t}\n\telse\n\t\tpub_key=dh->pub_key;\n\tif (dh->flags & DH_FLAG_CACHE_MONT_P)\n\t\t{\n\t\tmont = BN_MONT_CTX_set_locked(&dh->method_mont_p,\n\t\t\t\tCRYPTO_LOCK_DH, dh->p, ctx);\n\t\tif (!mont)\n\t\t\tgoto err;\n\t\t}\n\tif (generate_new_key)\n\t\t{\n\t\tl = dh->length ? dh->length : BN_num_bits(dh->p)-1;\n\t\tif (!BN_rand(priv_key, l, 0, 0)) goto err;\n\t\t}\n\t{\n\t\tBIGNUM local_prk;\n\t\tBIGNUM *prk;\n\t\tif ((dh->flags & DH_FLAG_NO_EXP_CONSTTIME) == 0)\n\t\t\t{\n\t\t\tBN_init(&local_prk);\n\t\t\tprk = &local_prk;\n\t\t\tBN_with_flags(prk, priv_key, BN_FLG_CONSTTIME);\n\t\t\t}\n\t\telse\n\t\t\tprk = priv_key;\n\t\tif (!dh->meth->bn_mod_exp(dh, pub_key, dh->g, prk, dh->p, ctx, mont)) goto err;\n\t}\n\tdh->pub_key=pub_key;\n\tdh->priv_key=priv_key;\n\tok=1;\nerr:\n\tif (ok != 1)\n\t\tDHerr(DH_F_GENERATE_KEY,ERR_R_BN_LIB);\n\tif ((pub_key != NULL) && (dh->pub_key == NULL)) BN_free(pub_key);\n\tif ((priv_key != NULL) && (dh->priv_key == NULL)) BN_free(priv_key);\n\tBN_CTX_free(ctx);\n\treturn(ok);\n\t}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,\n\t\t\t\t\tconst BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tint got_write_lock = 0;\n\tBN_MONT_CTX *ret;\n\tCRYPTO_r_lock(lock);\n\tif (!*pmont)\n\t\t{\n\t\tCRYPTO_r_unlock(lock);\n\t\tCRYPTO_w_lock(lock);\n\t\tgot_write_lock = 1;\n\t\tif (!*pmont)\n\t\t\t{\n\t\t\tret = BN_MONT_CTX_new();\n\t\t\tif (ret && !BN_MONT_CTX_set(ret, mod, ctx))\n\t\t\t\tBN_MONT_CTX_free(ret);\n\t\t\telse\n\t\t\t\t*pmont = ret;\n\t\t\t}\n\t\t}\n\tret = *pmont;\n\tif (got_write_lock)\n\t\tCRYPTO_w_unlock(lock);\n\telse\n\t\tCRYPTO_r_unlock(lock);\n\treturn ret;\n\t}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tint ret = 0;\n\tBIGNUM *Ri,*R;\n\tBN_CTX_start(ctx);\n\tif((Ri = BN_CTX_get(ctx)) == NULL) goto err;\n\tR= &(mont->RR);\n\tif (!BN_copy(&(mont->N),mod)) goto err;\n\tmont->N.neg = 0;\n#ifdef MONT_WORD\n\t\t{\n\t\tBIGNUM tmod;\n\t\tBN_ULONG buf[2];\n\t\tBN_init(&tmod);\n\t\ttmod.d=buf;\n\t\ttmod.dmax=2;\n\t\ttmod.neg=0;\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n#if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n\t\tBN_zero(R);\n\t\tif (!(BN_set_bit(R,2*BN_BITS2))) goto err;\n\t\t\t\t\t\t\t\ttmod.top=0;\n\t\tif ((buf[0] = mod->d[0]))\t\t\ttmod.top=1;\n\t\tif ((buf[1] = mod->top>1 ? mod->d[1] : 0))\ttmod.top=2;\n\t\tif ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,2*BN_BITS2)) goto err;\n\t\tif (!BN_is_zero(Ri))\n\t\t\t{\n\t\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bn_expand(Ri,(int)sizeof(BN_ULONG)*2) == NULL)\n\t\t\t\tgoto err;\n\t\t\tRi->neg=0;\n\t\t\tRi->d[0]=BN_MASK2;\n\t\t\tRi->d[1]=BN_MASK2;\n\t\t\tRi->top=2;\n\t\t\t}\n\t\tif (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;\n\t\tmont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n\t\tmont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n#else\n\t\tBN_zero(R);\n\t\tif (!(BN_set_bit(R,BN_BITS2))) goto err;\n\t\tbuf[0]=mod->d[0];\n\t\tbuf[1]=0;\n\t\ttmod.top = buf[0] != 0 ? 1 : 0;\n\t\tif ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,BN_BITS2)) goto err;\n\t\tif (!BN_is_zero(Ri))\n\t\t\t{\n\t\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_set_word(Ri,BN_MASK2)) goto err;\n\t\t\t}\n\t\tif (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;\n\t\tmont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n\t\tmont->n0[1] = 0;\n#endif\n\t\t}\n#else\n\t\t{\n\t\tmont->ri=BN_num_bits(&mont->N);\n\t\tBN_zero(R);\n\t\tif (!BN_set_bit(R,mont->ri)) goto err;\n\t\tif ((BN_mod_inverse(Ri,R,&mont->N,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,mont->ri)) goto err;\n\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\tif (!BN_div(&(mont->Ni),NULL,Ri,&mont->N,ctx)) goto err;\n\t\t}\n#endif\n\tBN_zero(&(mont->RR));\n\tif (!BN_set_bit(&(mont->RR),mont->ri*2)) goto err;\n\tif (!BN_mod(&(mont->RR),&(mont->RR),&(mont->N),ctx)) goto err;\n\tret = 1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *rv;\n\tint noinv;\n\trv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n\tif (noinv)\n\t\tBNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);\n\treturn rv;\n\t}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx, int *pnoinv)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*T,*R=NULL;\n\tBIGNUM *ret=NULL;\n\tint sign;\n\tif (pnoinv)\n\t\t*pnoinv = 0;\n\tif ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_mod_inverse_no_branch(in, a, n, ctx);\n\t\t}\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tBN_CTX_start(ctx);\n\tA = BN_CTX_get(ctx);\n\tB = BN_CTX_get(ctx);\n\tX = BN_CTX_get(ctx);\n\tD = BN_CTX_get(ctx);\n\tM = BN_CTX_get(ctx);\n\tY = BN_CTX_get(ctx);\n\tT = BN_CTX_get(ctx);\n\tif (T == NULL) goto err;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_one(X);\n\tBN_zero(Y);\n\tif (BN_copy(B,a) == NULL) goto err;\n\tif (BN_copy(A,n) == NULL) goto err;\n\tA->neg = 0;\n\tif (B->neg || (BN_ucmp(B, A) >= 0))\n\t\t{\n\t\tif (!BN_nnmod(B, B, A, ctx)) goto err;\n\t\t}\n\tsign = -1;\n\tif (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048)))\n\t\t{\n\t\tint shift;\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(B, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(X))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(X, X, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(X, X)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(B, B, shift)) goto err;\n\t\t\t\t}\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(A, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(Y))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(Y, Y, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(Y, Y)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(A, A, shift)) goto err;\n\t\t\t\t}\n\t\t\tif (BN_ucmp(B, A) >= 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(X, X, Y)) goto err;\n\t\t\t\tif (!BN_usub(B, B, A)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(Y, Y, X)) goto err;\n\t\t\t\tif (!BN_usub(A, A, B)) goto err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tBIGNUM *tmp;\n\t\t\tif (BN_num_bits(A) == BN_num_bits(B))\n\t\t\t\t{\n\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t}\n\t\t\telse if (BN_num_bits(A) == BN_num_bits(B) + 1)\n\t\t\t\t{\n\t\t\t\tif (!BN_lshift1(T,B)) goto err;\n\t\t\t\tif (BN_ucmp(A,T) < 0)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_sub(M,A,T)) goto err;\n\t\t\t\t\tif (!BN_add(D,T,B)) goto err;\n\t\t\t\t\tif (BN_ucmp(A,D) < 0)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,2)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,3)) goto err;\n\t\t\t\t\t\tif (!BN_sub(M,M,B)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_div(D,M,A,B,ctx)) goto err;\n\t\t\t\t}\n\t\t\ttmp=A;\n\t\t\tA=B;\n\t\t\tB=M;\n\t\t\tif (BN_is_one(D))\n\t\t\t\t{\n\t\t\t\tif (!BN_add(tmp,X,Y)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (BN_is_word(D,2))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift1(tmp,X)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (BN_is_word(D,4))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift(tmp,X,2)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (D->top == 1)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_copy(tmp,X)) goto err;\n\t\t\t\t\tif (!BN_mul_word(tmp,D->d[0])) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_mul(tmp,D,X,ctx)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_add(tmp,tmp,Y)) goto err;\n\t\t\t\t}\n\t\t\tM=Y;\n\t\t\tY=X;\n\t\t\tX=tmp;\n\t\t\tsign = -sign;\n\t\t\t}\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{\n\t\tif (!Y->neg && BN_ucmp(Y,n) < 0)\n\t\t\t{\n\t\t\tif (!BN_copy(R,Y)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_nnmod(R,Y,n,ctx)) goto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tif (pnoinv)\n\t\t\t*pnoinv = 1;\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tBN_CTX_end(ctx);\n\tbn_check_top(ret);\n\treturn(ret);\n\t}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*T,*R=NULL;\n\tBIGNUM local_A, local_B;\n\tBIGNUM *pA, *pB;\n\tBIGNUM *ret=NULL;\n\tint sign;\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tBN_CTX_start(ctx);\n\tA = BN_CTX_get(ctx);\n\tB = BN_CTX_get(ctx);\n\tX = BN_CTX_get(ctx);\n\tD = BN_CTX_get(ctx);\n\tM = BN_CTX_get(ctx);\n\tY = BN_CTX_get(ctx);\n\tT = BN_CTX_get(ctx);\n\tif (T == NULL) goto err;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_one(X);\n\tBN_zero(Y);\n\tif (BN_copy(B,a) == NULL) goto err;\n\tif (BN_copy(A,n) == NULL) goto err;\n\tA->neg = 0;\n\tif (B->neg || (BN_ucmp(B, A) >= 0))\n\t\t{\n\t\tpB = &local_B;\n\t\tBN_with_flags(pB, B, BN_FLG_CONSTTIME);\n\t\tif (!BN_nnmod(B, pB, A, ctx)) goto err;\n\t\t}\n\tsign = -1;\n\twhile (!BN_is_zero(B))\n\t\t{\n\t\tBIGNUM *tmp;\n\t\tpA = &local_A;\n\t\tBN_with_flags(pA, A, BN_FLG_CONSTTIME);\n\t\tif (!BN_div(D,M,pA,B,ctx)) goto err;\n\t\ttmp=A;\n\t\tA=B;\n\t\tB=M;\n\t\tif (!BN_mul(tmp,D,X,ctx)) goto err;\n\t\tif (!BN_add(tmp,tmp,Y)) goto err;\n\t\tM=Y;\n\t\tY=X;\n\t\tX=tmp;\n\t\tsign = -sign;\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{\n\t\tif (!Y->neg && BN_ucmp(Y,n) < 0)\n\t\t\t{\n\t\t\tif (!BN_copy(R,Y)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_nnmod(R,Y,n,ctx)) goto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH,BN_R_NO_INVERSE);\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tBN_CTX_end(ctx);\n\tbn_check_top(ret);\n\treturn(ret);\n\t}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tif (!(BN_mod(r,m,d,ctx)))\n\t\treturn 0;\n\tif (!r->neg)\n\t\treturn 1;\n\treturn (d->neg ? BN_sub : BN_add)(r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tif (num->top > 0 && num->d[num->top - 1] == 0)\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_NOT_INITIALIZED);\n\t\treturn 0;\n\t\t}\n\tbn_check_top(num);\n\tif ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_div_no_branch(dv, rm, num, divisor, ctx);\n\t\t}\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n\t\tgoto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tbn_clear_top2max(&wnum);\n\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t*resp=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\t{\n\t\t\tBN_ULONG ql, qh;\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n\t\t\t}\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n\tconst BIGNUM *divisor, BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV_NO_BRANCH,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tif (snum->top <= sdiv->top+1)\n\t\t{\n\t\tif (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err;\n\t\tfor (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0;\n\t\tsnum->top = sdiv->top + 2;\n\t\t}\n\telse\n\t\t{\n\t\tif (bn_wexpand(snum, snum->top + 1) == NULL) goto err;\n\t\tsnum->d[snum->top] = 0;\n\t\tsnum->top ++;\n\t\t}\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop-1;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\t{\n\t\t\tBN_ULONG ql, qh;\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n\t\t\t}\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tbn_correct_top(res);\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}']
5,794
0
https://github.com/libav/libav/blob/e5b0fc170f85b00f7dd0ac514918fb5c95253d39/libavcodec/bitstream.h/#L139
static inline uint64_t get_val(BitstreamContext *bc, unsigned n) { #ifdef BITSTREAM_READER_LE uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1); bc->bits >>= n; #else uint64_t ret = bc->bits >> (64 - n); bc->bits <<= n; #endif bc->bits_left -= n; return ret; }
['static void decode_tones_amplitude(BitstreamContext *bc, Atrac3pChanUnitCtx *ctx,\n int ch_num, int band_has_tones[])\n{\n int mode, sb, j, i, diff, maxdiff, fi, delta, pred;\n Atrac3pWaveParam *wsrc, *wref;\n int refwaves[48] = { 0 };\n Atrac3pWavesData *dst = ctx->channels[ch_num].tones_info;\n Atrac3pWavesData *ref = ctx->channels[0].tones_info;\n if (ch_num) {\n for (sb = 0; sb < ctx->waves_info->num_tone_bands; sb++) {\n if (!band_has_tones[sb] || !dst[sb].num_wavs)\n continue;\n wsrc = &ctx->waves_info->waves[dst[sb].start_index];\n wref = &ctx->waves_info->waves[ref[sb].start_index];\n for (j = 0; j < dst[sb].num_wavs; j++) {\n for (i = 0, fi = 0, maxdiff = 1024; i < ref[sb].num_wavs; i++) {\n diff = FFABS(wsrc[j].freq_index - wref[i].freq_index);\n if (diff < maxdiff) {\n maxdiff = diff;\n fi = i;\n }\n }\n if (maxdiff < 8)\n refwaves[dst[sb].start_index + j] = fi + ref[sb].start_index;\n else if (j < ref[sb].num_wavs)\n refwaves[dst[sb].start_index + j] = j + ref[sb].start_index;\n else\n refwaves[dst[sb].start_index + j] = -1;\n }\n }\n }\n mode = bitstream_read(bc, ch_num + 1);\n switch (mode) {\n case 0:\n for (sb = 0; sb < ctx->waves_info->num_tone_bands; sb++) {\n if (!band_has_tones[sb] || !dst[sb].num_wavs)\n continue;\n if (ctx->waves_info->amplitude_mode)\n for (i = 0; i < dst[sb].num_wavs; i++)\n ctx->waves_info->waves[dst[sb].start_index + i].amp_sf = bitstream_read(bc, 6);\n else\n ctx->waves_info->waves[dst[sb].start_index].amp_sf = bitstream_read(bc, 6);\n }\n break;\n case 1:\n for (sb = 0; sb < ctx->waves_info->num_tone_bands; sb++) {\n if (!band_has_tones[sb] || !dst[sb].num_wavs)\n continue;\n if (ctx->waves_info->amplitude_mode)\n for (i = 0; i < dst[sb].num_wavs; i++)\n ctx->waves_info->waves[dst[sb].start_index + i].amp_sf =\n bitstream_read_vlc(bc, tone_vlc_tabs[3].table,\n tone_vlc_tabs[3].bits, 1) + 20;\n else\n ctx->waves_info->waves[dst[sb].start_index].amp_sf =\n bitstream_read_vlc(bc, tone_vlc_tabs[4].table,\n tone_vlc_tabs[4].bits, 1) + 24;\n }\n break;\n case 2:\n for (sb = 0; sb < ctx->waves_info->num_tone_bands; sb++) {\n if (!band_has_tones[sb] || !dst[sb].num_wavs)\n continue;\n for (i = 0; i < dst[sb].num_wavs; i++) {\n delta = bitstream_read_vlc(bc, tone_vlc_tabs[5].table,\n tone_vlc_tabs[5].bits, 1);\n delta = sign_extend(delta, 5);\n pred = refwaves[dst[sb].start_index + i] >= 0 ?\n ctx->waves_info->waves[refwaves[dst[sb].start_index + i]].amp_sf : 34;\n ctx->waves_info->waves[dst[sb].start_index + i].amp_sf = (pred + delta) & 0x3F;\n }\n }\n break;\n case 3:\n for (sb = 0; sb < ctx->waves_info->num_tone_bands; sb++) {\n if (!band_has_tones[sb])\n continue;\n for (i = 0; i < dst[sb].num_wavs; i++)\n ctx->waves_info->waves[dst[sb].start_index + i].amp_sf =\n refwaves[dst[sb].start_index + i] >= 0\n ? ctx->waves_info->waves[refwaves[dst[sb].start_index + i]].amp_sf\n : 32;\n }\n break;\n }\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}']
5,795
0
https://github.com/openssl/openssl/blob/a68d8c7b77a3d46d591b89cfd0ecd2a2242e4613/crypto/cms/cms_pwri.c/#L213
static int kek_unwrap_key(unsigned char *out, size_t *outlen, const unsigned char *in, size_t inlen, EVP_CIPHER_CTX *ctx) { size_t blocklen = EVP_CIPHER_CTX_block_size(ctx); unsigned char *tmp; int outl, rv = 0; if (inlen < 2 * blocklen) { return 0; } if (inlen % blocklen) { return 0; } tmp = OPENSSL_malloc(inlen); if (tmp == NULL) return 0; if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl, in + inlen - 2 * blocklen, blocklen * 2) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp + inlen - blocklen, blocklen) || !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen) || !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL) || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen)) goto err; if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) { goto err; } if (inlen < (size_t)(tmp[0] - 4)) { goto err; } *outlen = (size_t)tmp[0]; memcpy(out, tmp + 4, *outlen); rv = 1; err: OPENSSL_clear_free(tmp, inlen); return rv; }
['int CMS_decrypt_set1_pkey(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert)\n{\n STACK_OF(CMS_RecipientInfo) *ris;\n CMS_RecipientInfo *ri;\n int i, r, ri_type;\n int debug = 0, match_ri = 0;\n ris = CMS_get0_RecipientInfos(cms);\n if (ris)\n debug = cms->d.envelopedData->encryptedContentInfo->debug;\n ri_type = cms_pkey_get_ri_type(pk);\n if (ri_type == CMS_RECIPINFO_NONE) {\n CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY,\n CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);\n return 0;\n }\n for (i = 0; i < sk_CMS_RecipientInfo_num(ris); i++) {\n ri = sk_CMS_RecipientInfo_value(ris, i);\n if (CMS_RecipientInfo_type(ri) != ri_type)\n continue;\n match_ri = 1;\n if (ri_type == CMS_RECIPINFO_AGREE) {\n r = cms_kari_set1_pkey(cms, ri, pk, cert);\n if (r > 0)\n return 1;\n if (r < 0)\n return 0;\n }\n else if (!cert || !CMS_RecipientInfo_ktri_cert_cmp(ri, cert)) {\n CMS_RecipientInfo_set0_pkey(ri, pk);\n r = CMS_RecipientInfo_decrypt(cms, ri);\n CMS_RecipientInfo_set0_pkey(ri, NULL);\n if (cert) {\n if (!debug) {\n ERR_clear_error();\n return 1;\n }\n if (r > 0)\n return 1;\n CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY, CMS_R_DECRYPT_ERROR);\n return 0;\n }\n else if (r > 0 && debug)\n return 1;\n }\n }\n if (match_ri && !cert && !debug) {\n ERR_clear_error();\n return 1;\n }\n CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY, CMS_R_NO_MATCHING_RECIPIENT);\n return 0;\n}', 'int CMS_RecipientInfo_ktri_cert_cmp(CMS_RecipientInfo *ri, X509 *cert)\n{\n if (ri->type != CMS_RECIPINFO_TRANS) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_CERT_CMP,\n CMS_R_NOT_KEY_TRANSPORT);\n return -2;\n }\n return cms_SignerIdentifier_cert_cmp(ri->d.ktri->rid, cert);\n}', 'int CMS_RecipientInfo_decrypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri)\n{\n switch (ri->type) {\n case CMS_RECIPINFO_TRANS:\n return cms_RecipientInfo_ktri_decrypt(cms, ri);\n case CMS_RECIPINFO_KEK:\n return cms_RecipientInfo_kekri_decrypt(cms, ri);\n case CMS_RECIPINFO_PASS:\n return cms_RecipientInfo_pwri_crypt(cms, ri, 0);\n default:\n CMSerr(CMS_F_CMS_RECIPIENTINFO_DECRYPT,\n CMS_R_UNSUPPORTED_RECPIENTINFO_TYPE);\n return 0;\n }\n}', 'int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,\n int en_de)\n{\n CMS_EncryptedContentInfo *ec;\n CMS_PasswordRecipientInfo *pwri;\n int r = 0;\n X509_ALGOR *algtmp, *kekalg = NULL;\n EVP_CIPHER_CTX *kekctx = NULL;\n const EVP_CIPHER *kekcipher;\n unsigned char *key = NULL;\n size_t keylen;\n ec = cms->d.envelopedData->encryptedContentInfo;\n pwri = ri->d.pwri;\n if (!pwri->pass) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_NO_PASSWORD);\n return 0;\n }\n algtmp = pwri->keyEncryptionAlgorithm;\n if (!algtmp || OBJ_obj2nid(algtmp->algorithm) != NID_id_alg_PWRI_KEK) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,\n CMS_R_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM);\n return 0;\n }\n kekalg = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(X509_ALGOR),\n algtmp->parameter);\n if (kekalg == NULL) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,\n CMS_R_INVALID_KEY_ENCRYPTION_PARAMETER);\n return 0;\n }\n kekcipher = EVP_get_cipherbyobj(kekalg->algorithm);\n if (!kekcipher) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_UNKNOWN_CIPHER);\n return 0;\n }\n kekctx = EVP_CIPHER_CTX_new();\n if (kekctx == NULL) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n if (!EVP_CipherInit_ex(kekctx, kekcipher, NULL, NULL, NULL, en_de))\n goto err;\n EVP_CIPHER_CTX_set_padding(kekctx, 0);\n if (EVP_CIPHER_asn1_to_param(kekctx, kekalg->parameter) < 0) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,\n CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);\n goto err;\n }\n algtmp = pwri->keyDerivationAlgorithm;\n if (EVP_PBE_CipherInit(algtmp->algorithm,\n (char *)pwri->pass, pwri->passlen,\n algtmp->parameter, kekctx, en_de) < 0) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, ERR_R_EVP_LIB);\n goto err;\n }\n if (en_de) {\n if (!kek_wrap_key(NULL, &keylen, ec->key, ec->keylen, kekctx))\n goto err;\n key = OPENSSL_malloc(keylen);\n if (key == NULL)\n goto err;\n if (!kek_wrap_key(key, &keylen, ec->key, ec->keylen, kekctx))\n goto err;\n pwri->encryptedKey->data = key;\n pwri->encryptedKey->length = keylen;\n } else {\n key = OPENSSL_malloc(pwri->encryptedKey->length);\n if (key == NULL) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!kek_unwrap_key(key, &keylen,\n pwri->encryptedKey->data,\n pwri->encryptedKey->length, kekctx)) {\n CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_UNWRAP_FAILURE);\n goto err;\n }\n ec->key = key;\n ec->keylen = keylen;\n }\n r = 1;\n err:\n EVP_CIPHER_CTX_free(kekctx);\n if (!r)\n OPENSSL_free(key);\n X509_ALGOR_free(kekalg);\n return r;\n}', 'static int kek_unwrap_key(unsigned char *out, size_t *outlen,\n const unsigned char *in, size_t inlen,\n EVP_CIPHER_CTX *ctx)\n{\n size_t blocklen = EVP_CIPHER_CTX_block_size(ctx);\n unsigned char *tmp;\n int outl, rv = 0;\n if (inlen < 2 * blocklen) {\n return 0;\n }\n if (inlen % blocklen) {\n return 0;\n }\n tmp = OPENSSL_malloc(inlen);\n if (tmp == NULL)\n return 0;\n if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl,\n in + inlen - 2 * blocklen, blocklen * 2)\n || !EVP_DecryptUpdate(ctx, tmp, &outl,\n tmp + inlen - blocklen, blocklen)\n || !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen)\n || !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL)\n || !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen))\n goto err;\n if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) {\n goto err;\n }\n if (inlen < (size_t)(tmp[0] - 4)) {\n goto err;\n }\n *outlen = (size_t)tmp[0];\n memcpy(out, tmp + 4, *outlen);\n rv = 1;\n err:\n OPENSSL_clear_free(tmp, inlen);\n return rv;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}']
5,796
0
https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/x509/x509_obj.c/#L97
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > sizeof ebcdic_buf) ? sizeof ebcdic_buf : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); BUF_MEM_free(b); return (NULL); }
['int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)\n{\n char *s, *c, *b;\n int l, i;\n l = 80 - 2 - obase;\n b = X509_NAME_oneline(name, NULL, 0);\n if (!b)\n return 0;\n if (!*b) {\n OPENSSL_free(b);\n return 1;\n }\n s = b + 1;\n c = s;\n for (;;) {\n#ifndef CHARSET_EBCDIC\n if (((*s == \'/\') &&\n ((s[1] >= \'A\') && (s[1] <= \'Z\') && ((s[2] == \'=\') ||\n ((s[2] >= \'A\')\n && (s[2] <= \'Z\')\n && (s[3] == \'=\'))\n ))) || (*s == \'\\0\'))\n#else\n if (((*s == \'/\') &&\n (isupper(s[1]) && ((s[2] == \'=\') ||\n (isupper(s[2]) && (s[3] == \'=\'))\n ))) || (*s == \'\\0\'))\n#endif\n {\n i = s - c;\n if (BIO_write(bp, c, i) != i)\n goto err;\n c = s + 1;\n if (*s != \'\\0\') {\n if (BIO_write(bp, ", ", 2) != 2)\n goto err;\n }\n l--;\n }\n if (*s == \'\\0\')\n break;\n s++;\n l--;\n }\n OPENSSL_free(b);\n return 1;\n err:\n X509err(X509_F_X509_NAME_PRINT, ERR_R_BUF_LIB);\n OPENSSL_free(b);\n return 0;\n}', 'char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)\n{\n X509_NAME_ENTRY *ne;\n int i;\n int n, lold, l, l1, l2, num, j, type;\n const char *s;\n char *p;\n unsigned char *q;\n BUF_MEM *b = NULL;\n static const char hex[17] = "0123456789ABCDEF";\n int gs_doit[4];\n char tmp_buf[80];\n#ifdef CHARSET_EBCDIC\n char ebcdic_buf[1024];\n#endif\n if (buf == NULL) {\n if ((b = BUF_MEM_new()) == NULL)\n goto err;\n if (!BUF_MEM_grow(b, 200))\n goto err;\n b->data[0] = \'\\0\';\n len = 200;\n }\n if (a == NULL) {\n if (b) {\n buf = b->data;\n OPENSSL_free(b);\n }\n strncpy(buf, "NO X509_NAME", len);\n buf[len - 1] = \'\\0\';\n return buf;\n }\n len--;\n l = 0;\n for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {\n ne = sk_X509_NAME_ENTRY_value(a->entries, i);\n n = OBJ_obj2nid(ne->object);\n if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {\n i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);\n s = tmp_buf;\n }\n l1 = strlen(s);\n type = ne->value->type;\n num = ne->value->length;\n q = ne->value->data;\n#ifdef CHARSET_EBCDIC\n if (type == V_ASN1_GENERALSTRING ||\n type == V_ASN1_VISIBLESTRING ||\n type == V_ASN1_PRINTABLESTRING ||\n type == V_ASN1_TELETEXSTRING ||\n type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {\n ascii2ebcdic(ebcdic_buf, q, (num > sizeof ebcdic_buf)\n ? sizeof ebcdic_buf : num);\n q = ebcdic_buf;\n }\n#endif\n if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;\n for (j = 0; j < num; j++)\n if (q[j] != 0)\n gs_doit[j & 3] = 1;\n if (gs_doit[0] | gs_doit[1] | gs_doit[2])\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n else {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;\n gs_doit[3] = 1;\n }\n } else\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n for (l2 = j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n l2++;\n#ifndef CHARSET_EBCDIC\n if ((q[j] < \' \') || (q[j] > \'~\'))\n l2 += 3;\n#else\n if ((os_toascii[q[j]] < os_toascii[\' \']) ||\n (os_toascii[q[j]] > os_toascii[\'~\']))\n l2 += 3;\n#endif\n }\n lold = l;\n l += 1 + l1 + 1 + l2;\n if (b != NULL) {\n if (!BUF_MEM_grow(b, l + 1))\n goto err;\n p = &(b->data[lold]);\n } else if (l > len) {\n break;\n } else\n p = &(buf[lold]);\n *(p++) = \'/\';\n memcpy(p, s, (unsigned int)l1);\n p += l1;\n *(p++) = \'=\';\n#ifndef CHARSET_EBCDIC\n q = ne->value->data;\n#endif\n for (j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n#ifndef CHARSET_EBCDIC\n n = q[j];\n if ((n < \' \') || (n > \'~\')) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = n;\n#else\n n = os_toascii[q[j]];\n if ((n < os_toascii[\' \']) || (n > os_toascii[\'~\'])) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = q[j];\n#endif\n }\n *p = \'\\0\';\n }\n if (b != NULL) {\n p = b->data;\n OPENSSL_free(b);\n } else\n p = buf;\n if (i == 0)\n *p = \'\\0\';\n return (p);\n err:\n X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);\n BUF_MEM_free(b);\n return (NULL);\n}']
5,797
0
https://github.com/openssl/openssl/blob/05eec39505ba8af6f3c1558a26c565987707cd37/crypto/bn/bn_print.c/#L211
int BN_dec2bn(BIGNUM **bn, const char *a) { BIGNUM *ret = NULL; BN_ULONG l = 0; int neg = 0, i, j; int num; if ((a == NULL) || (*a == '\0')) return (0); if (*a == '-') { neg = 1; a++; } for (i = 0; i <= (INT_MAX/4) && isdigit((unsigned char)a[i]); i++) continue; if (i == 0 || i > INT_MAX/4) goto err; num = i + neg; if (bn == NULL) return (num); if (*bn == NULL) { if ((ret = BN_new()) == NULL) return (0); } else { ret = *bn; BN_zero(ret); } if (bn_expand(ret, i * 4) == NULL) goto err; j = BN_DEC_NUM - (i % BN_DEC_NUM); if (j == BN_DEC_NUM) j = 0; l = 0; while (--i >= 0) { l *= 10; l += *a - '0'; a++; if (++j == BN_DEC_NUM) { if (!BN_mul_word(ret, BN_DEC_CONV) || !BN_add_word(ret, l)) goto err; l = 0; j = 0; } } bn_correct_top(ret); *bn = ret; bn_check_top(ret); if (ret->top != 0) ret->neg = neg; return (num); err: if (*bn == NULL) BN_free(ret); return (0); }
['static int fbytes(unsigned char *buf, int num)\n{\n int ret = 0;\n BIGNUM *tmp = NULL;\n if (use_fake == 0)\n return old_rand->bytes(buf, num);\n use_fake = 0;\n if (fbytes_counter >= 8)\n return 0;\n if (!TEST_ptr(tmp = BN_new()))\n return 0;\n if (!TEST_true(BN_dec2bn(&tmp, numbers[fbytes_counter]))) {\n BN_free(tmp);\n return 0;\n }\n fbytes_counter++;\n if (TEST_int_eq(BN_num_bytes(tmp), num)\n && TEST_true(BN_bn2bin(tmp, buf)))\n ret = 1;\n BN_free(tmp);\n return ret;\n}', "int BN_dec2bn(BIGNUM **bn, const char *a)\n{\n BIGNUM *ret = NULL;\n BN_ULONG l = 0;\n int neg = 0, i, j;\n int num;\n if ((a == NULL) || (*a == '\\0'))\n return (0);\n if (*a == '-') {\n neg = 1;\n a++;\n }\n for (i = 0; i <= (INT_MAX/4) && isdigit((unsigned char)a[i]); i++)\n continue;\n if (i == 0 || i > INT_MAX/4)\n goto err;\n num = i + neg;\n if (bn == NULL)\n return (num);\n if (*bn == NULL) {\n if ((ret = BN_new()) == NULL)\n return (0);\n } else {\n ret = *bn;\n BN_zero(ret);\n }\n if (bn_expand(ret, i * 4) == NULL)\n goto err;\n j = BN_DEC_NUM - (i % BN_DEC_NUM);\n if (j == BN_DEC_NUM)\n j = 0;\n l = 0;\n while (--i >= 0) {\n l *= 10;\n l += *a - '0';\n a++;\n if (++j == BN_DEC_NUM) {\n if (!BN_mul_word(ret, BN_DEC_CONV)\n || !BN_add_word(ret, l))\n goto err;\n l = 0;\n j = 0;\n }\n }\n bn_correct_top(ret);\n *bn = ret;\n bn_check_top(ret);\n if (ret->top != 0)\n ret->neg = neg;\n return (num);\n err:\n if (*bn == NULL)\n BN_free(ret);\n return (0);\n}"]
5,798
0
https://gitlab.com/libtiff/libtiff/blob/edde1c583a2a8c74543c4f7bb13c1f1899ee601c/tools/tiff2pdf.c/#L5421
tsize_t t2p_write_pdf(T2P* t2p, TIFF* input, TIFF* output){ tsize_t written=0; ttile_t i2=0; tsize_t streamlen=0; uint16 i=0; t2p_read_tiff_init(t2p, input); if(t2p->t2p_error!=T2P_ERR_OK){return(0);} t2p->pdf_xrefoffsets= (uint32*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_xrefcount,sizeof(uint32)) ); if(t2p->pdf_xrefoffsets==NULL){ TIFFError( TIFF2PDF_MODULE, "Can't allocate %u bytes of memory for t2p_write_pdf", (unsigned int) (t2p->pdf_xrefcount * sizeof(uint32)) ); t2p->t2p_error = T2P_ERR_ERROR; return(written); } t2p->pdf_xrefcount=0; t2p->pdf_catalog=1; t2p->pdf_info=2; t2p->pdf_pages=3; written += t2p_write_pdf_header(t2p, output); t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; t2p->pdf_catalog=t2p->pdf_xrefcount; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_catalog(t2p, output); written += t2p_write_pdf_obj_end(output); t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; t2p->pdf_info=t2p->pdf_xrefcount; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_info(t2p, input, output); written += t2p_write_pdf_obj_end(output); t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; t2p->pdf_pages=t2p->pdf_xrefcount; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_pages(t2p, output); written += t2p_write_pdf_obj_end(output); for(t2p->pdf_page=0;t2p->pdf_page<t2p->tiff_pagecount;t2p->pdf_page++){ t2p_read_tiff_data(t2p, input); if(t2p->t2p_error!=T2P_ERR_OK){return(0);} t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_page(t2p->pdf_xrefcount, t2p, output); written += t2p_write_pdf_obj_end(output); t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_dict_start(output); written += t2p_write_pdf_stream_dict(0, t2p->pdf_xrefcount+1, output); written += t2p_write_pdf_stream_dict_end(output); written += t2p_write_pdf_stream_start(output); streamlen=written; written += t2p_write_pdf_page_content_stream(t2p, output); streamlen=written-streamlen; written += t2p_write_pdf_stream_end(output); written += t2p_write_pdf_obj_end(output); t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_length(streamlen, output); written += t2p_write_pdf_obj_end(output); if(t2p->tiff_transferfunctioncount != 0){ t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_transfer(t2p, output); written += t2p_write_pdf_obj_end(output); for(i=0; i < t2p->tiff_transferfunctioncount; i++){ t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_dict_start(output); written += t2p_write_pdf_transfer_dict(t2p, output, i); written += t2p_write_pdf_stream_dict_end(output); written += t2p_write_pdf_stream_start(output); written += t2p_write_pdf_transfer_stream(t2p, output, i); written += t2p_write_pdf_stream_end(output); written += t2p_write_pdf_obj_end(output); } } if( (t2p->pdf_colorspace & T2P_CS_PALETTE) != 0){ t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; t2p->pdf_palettecs=t2p->pdf_xrefcount; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_dict_start(output); written += t2p_write_pdf_stream_dict(t2p->pdf_palettesize, 0, output); written += t2p_write_pdf_stream_dict_end(output); written += t2p_write_pdf_stream_start(output); written += t2p_write_pdf_xobject_palettecs_stream(t2p, output); written += t2p_write_pdf_stream_end(output); written += t2p_write_pdf_obj_end(output); } if( (t2p->pdf_colorspace & T2P_CS_ICCBASED) != 0){ t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; t2p->pdf_icccs=t2p->pdf_xrefcount; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_dict_start(output); written += t2p_write_pdf_xobject_icccs_dict(t2p, output); written += t2p_write_pdf_stream_dict_end(output); written += t2p_write_pdf_stream_start(output); written += t2p_write_pdf_xobject_icccs_stream(t2p, output); written += t2p_write_pdf_stream_end(output); written += t2p_write_pdf_obj_end(output); } if(t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount !=0){ for(i2=0;i2<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount;i2++){ t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_dict_start(output); written += t2p_write_pdf_xobject_stream_dict( i2+1, t2p, output); written += t2p_write_pdf_stream_dict_end(output); written += t2p_write_pdf_stream_start(output); streamlen=written; t2p_read_tiff_size_tile(t2p, input, i2); written += t2p_readwrite_pdf_image_tile(t2p, input, output, i2); t2p_write_advance_directory(t2p, output); if(t2p->t2p_error!=T2P_ERR_OK){return(0);} streamlen=written-streamlen; written += t2p_write_pdf_stream_end(output); written += t2p_write_pdf_obj_end(output); t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_length(streamlen, output); written += t2p_write_pdf_obj_end(output); } } else { t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_dict_start(output); written += t2p_write_pdf_xobject_stream_dict( 0, t2p, output); written += t2p_write_pdf_stream_dict_end(output); written += t2p_write_pdf_stream_start(output); streamlen=written; t2p_read_tiff_size(t2p, input); written += t2p_readwrite_pdf_image(t2p, input, output); t2p_write_advance_directory(t2p, output); if(t2p->t2p_error!=T2P_ERR_OK){return(0);} streamlen=written-streamlen; written += t2p_write_pdf_stream_end(output); written += t2p_write_pdf_obj_end(output); t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written; written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output); written += t2p_write_pdf_stream_length(streamlen, output); written += t2p_write_pdf_obj_end(output); } } t2p->pdf_startxref = written; written += t2p_write_pdf_xreftable(t2p, output); written += t2p_write_pdf_trailer(t2p, output); t2p_disable(output); return(written); }
['tsize_t t2p_write_pdf(T2P* t2p, TIFF* input, TIFF* output){\n\ttsize_t written=0;\n\tttile_t i2=0;\n\ttsize_t streamlen=0;\n\tuint16 i=0;\n\tt2p_read_tiff_init(t2p, input);\n\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\tt2p->pdf_xrefoffsets= (uint32*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_xrefcount,sizeof(uint32)) );\n\tif(t2p->pdf_xrefoffsets==NULL){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Can\'t allocate %u bytes of memory for t2p_write_pdf",\n\t\t\t(unsigned int) (t2p->pdf_xrefcount * sizeof(uint32)) );\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn(written);\n\t}\n\tt2p->pdf_xrefcount=0;\n\tt2p->pdf_catalog=1;\n\tt2p->pdf_info=2;\n\tt2p->pdf_pages=3;\n\twritten += t2p_write_pdf_header(t2p, output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_catalog=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_catalog(t2p, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_info=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_info(t2p, input, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_pages=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_pages(t2p, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tfor(t2p->pdf_page=0;t2p->pdf_page<t2p->tiff_pagecount;t2p->pdf_page++){\n\t\tt2p_read_tiff_data(t2p, input);\n\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_page(t2p->pdf_xrefcount, t2p, output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\twritten += t2p_write_pdf_stream_dict(0, t2p->pdf_xrefcount+1, output);\n\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\twritten += t2p_write_pdf_stream_start(output);\n\t\tstreamlen=written;\n\t\twritten += t2p_write_pdf_page_content_stream(t2p, output);\n\t\tstreamlen=written-streamlen;\n\t\twritten += t2p_write_pdf_stream_end(output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tif(t2p->tiff_transferfunctioncount != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_transfer(t2p, output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\tfor(i=0; i < t2p->tiff_transferfunctioncount; i++){\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\t\twritten += t2p_write_pdf_transfer_dict(t2p, output, i);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\t\twritten += t2p_write_pdf_transfer_stream(t2p, output, i);\n\t\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t}\n\t\t}\n\t\tif( (t2p->pdf_colorspace & T2P_CS_PALETTE) != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\tt2p->pdf_palettecs=t2p->pdf_xrefcount;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_stream_dict(t2p->pdf_palettesize, 0, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_palettecs_stream(t2p, output);\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t\tif( (t2p->pdf_colorspace & T2P_CS_ICCBASED) != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\tt2p->pdf_icccs=t2p->pdf_xrefcount;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_icccs_dict(t2p, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_icccs_stream(t2p, output);\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t\tif(t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount !=0){\n\t\t\tfor(i2=0;i2<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount;i2++){\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\t\twritten += t2p_write_pdf_xobject_stream_dict(\n\t\t\t\t\ti2+1,\n\t\t\t\t\tt2p,\n\t\t\t\t\toutput);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\t\tstreamlen=written;\n\t\t\t\tt2p_read_tiff_size_tile(t2p, input, i2);\n\t\t\t\twritten += t2p_readwrite_pdf_image_tile(t2p, input, output, i2);\n\t\t\t\tt2p_write_advance_directory(t2p, output);\n\t\t\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\t\t\tstreamlen=written-streamlen;\n\t\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t}\n\t\t} else {\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_stream_dict(\n\t\t\t\t0,\n\t\t\t\tt2p,\n\t\t\t\toutput);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\tstreamlen=written;\n\t\t\tt2p_read_tiff_size(t2p, input);\n\t\t\twritten += t2p_readwrite_pdf_image(t2p, input, output);\n\t\t\tt2p_write_advance_directory(t2p, output);\n\t\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\t\tstreamlen=written-streamlen;\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t}\n\tt2p->pdf_startxref = written;\n\twritten += t2p_write_pdf_xreftable(t2p, output);\n\twritten += t2p_write_pdf_trailer(t2p, output);\n\tt2p_disable(output);\n\treturn(written);\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n if (s == 0)\n return ((void *) NULL);\n\treturn (malloc((size_t) s));\n}', 'tsize_t t2p_write_pdf_header(T2P* t2p, TIFF* output){\n\ttsize_t written=0;\n\tchar buffer[16];\n\tint buflen=0;\n\tbuflen = snprintf(buffer, sizeof(buffer), "%%PDF-%u.%u ",\n\t\t\t t2p->pdf_majorversion&0xff,\n\t\t\t t2p->pdf_minorversion&0xff);\n\tcheck_snprintf_ret(t2p, buflen, buffer);\n\twritten += t2pWriteFile(output, (tdata_t) buffer, buflen);\n\twritten += t2pWriteFile(output, (tdata_t)"\\n%\\342\\343\\317\\323\\n", 7);\n\treturn(written);\n}', 'static tmsize_t\nt2pWriteFile(TIFF *tif, tdata_t data, tmsize_t size)\n{\n\tthandle_t client = TIFFClientdata(tif);\n\tTIFFReadWriteProc proc = TIFFGetWriteProc(tif);\n\tif (proc)\n\t\treturn proc(client, data, size);\n\treturn -1;\n}', 'thandle_t\nTIFFClientdata(TIFF* tif)\n{\n\treturn (tif->tif_clientdata);\n}', 'TIFFReadWriteProc\nTIFFGetWriteProc(TIFF* tif)\n{\n\treturn (tif->tif_writeproc);\n}', 'tsize_t t2p_write_pdf_obj_start(uint32 number, TIFF* output){\n\ttsize_t written=0;\n\tchar buffer[32];\n\tint buflen=0;\n\tbuflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)number);\n\tcheck_snprintf_ret((T2P*)NULL, buflen, buffer);\n\twritten += t2pWriteFile(output, (tdata_t) buffer, buflen );\n\twritten += t2pWriteFile(output, (tdata_t) " 0 obj\\n", 7);\n\treturn(written);\n}', 'tsize_t t2p_write_pdf_catalog(T2P* t2p, TIFF* output)\n{\n\ttsize_t written = 0;\n\tchar buffer[32];\n\tint buflen = 0;\n\twritten += t2pWriteFile(output,\n\t\t(tdata_t)"<< \\n/Type /Catalog \\n/Pages ",\n\t\t27);\n\tbuflen = snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->pdf_pages);\n\tcheck_snprintf_ret(t2p, buflen, buffer);\n\twritten += t2pWriteFile(output, (tdata_t) buffer,\n\t\t\t\tTIFFmin((size_t)buflen, sizeof(buffer) - 1));\n\twritten += t2pWriteFile(output, (tdata_t) " 0 R \\n", 6);\n\tif(t2p->pdf_fitwindow){\n\t\twritten += t2pWriteFile(output,\n\t\t\t(tdata_t) "/ViewerPreferences <</FitWindow true>>\\n",\n\t\t\t39);\n\t}\n\twritten += t2pWriteFile(output, (tdata_t)">>\\n", 3);\n\treturn(written);\n}', 'tsize_t t2p_write_pdf_obj_end(TIFF* output){\n\ttsize_t written=0;\n\twritten += t2pWriteFile(output, (tdata_t) "endobj\\n", 7);\n\treturn(written);\n}']
5,799
0
https://github.com/openssl/openssl/blob/249a77f5fb6407185e0a6ad44cd88eda2b6f8946/crypto/lhash/lhash.c/#L370
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; } }
['static APP_INFO *pop_info(void)\n\t{\n\tAPP_INFO tmp;\n\tAPP_INFO *ret = NULL;\n\tif (amih != NULL)\n\t\t{\n\t\tCRYPTO_THREADID_current(&tmp.threadid);\n\t\tif ((ret=lh_APP_INFO_delete(amih,&tmp)) != NULL)\n\t\t\t{\n\t\t\tAPP_INFO *next=ret->next;\n\t\t\tif (next != NULL)\n\t\t\t\t{\n\t\t\t\tnext->references++;\n\t\t\t\t(void)lh_APP_INFO_insert(amih,next);\n\t\t\t\t}\n#ifdef LEVITTE_DEBUG_MEM\n\t\t\tif (CRYPTO_THREADID_cmp(&ret->threadid, &tmp.threadid))\n\t\t\t\t{\n\t\t\t\tfprintf(stderr, "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\\n",\n\t\t\t\t\tCRYPTO_THREADID_hash(&ret->threadid),\n\t\t\t\t\tCRYPTO_THREADID_hash(&tmp.threadid));\n\t\t\t\tabort();\n\t\t\t\t}\n#endif\n\t\t\tif (--(ret->references) <= 0)\n\t\t\t\t{\n\t\t\t\tret->next = NULL;\n\t\t\t\tif (next != NULL)\n\t\t\t\t\tnext->references--;\n\t\t\t\tOPENSSL_free(ret);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\treturn(ret);\n\t}', 'void *lh_delete(_LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tvoid *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn(ret);\n\t}', 'static void contract(_LHASH *lh)\n\t{\n\tLHASH_NODE **n,*n1,*np;\n\tnp=lh->b[lh->p+lh->pmax-1];\n\tlh->b[lh->p+lh->pmax-1]=NULL;\n\tif (lh->p == 0)\n\t\t{\n\t\tn=(LHASH_NODE **)OPENSSL_realloc(lh->b,\n\t\t\t(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));\n\t\tif (n == NULL)\n\t\t\t{\n\t\t\tlh->error++;\n\t\t\treturn;\n\t\t\t}\n\t\tlh->num_contract_reallocs++;\n\t\tlh->num_alloc_nodes/=2;\n\t\tlh->pmax/=2;\n\t\tlh->p=lh->pmax-1;\n\t\tlh->b=n;\n\t\t}\n\telse\n\t\tlh->p--;\n\tlh->num_nodes--;\n\tlh->num_contracts++;\n\tn1=lh->b[(int)lh->p];\n\tif (n1 == NULL)\n\t\tlh->b[(int)lh->p]=np;\n\telse\n\t\t{\n\t\twhile (n1->next != NULL)\n\t\t\tn1=n1->next;\n\t\tn1->next=np;\n\t\t}\n\t}']
5,800
0
https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/pkcs12/p12_decr.c/#L72
unsigned char *PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass, int passlen, unsigned char *in, int inlen, unsigned char **data, int *datalen, int en_de) { unsigned char *out = NULL; int outlen, i; EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new(); if (ctx == NULL) { PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE); goto err; } if (!EVP_PBE_CipherInit(algor->algorithm, pass, passlen, algor->parameter, ctx, en_de)) { PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR); goto err; } if ((out = OPENSSL_malloc(inlen + EVP_CIPHER_CTX_block_size(ctx))) == NULL) { PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE); goto err; } if (!EVP_CipherUpdate(ctx, out, &i, in, inlen)) { OPENSSL_free(out); out = NULL; PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_EVP_LIB); goto err; } outlen = i; if (!EVP_CipherFinal_ex(ctx, out + i, &i)) { OPENSSL_free(out); out = NULL; PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, PKCS12_R_PKCS12_CIPHERFINAL_ERROR); goto err; } outlen += i; if (datalen) *datalen = outlen; if (data) *data = out; err: EVP_CIPHER_CTX_free(ctx); return out; }
['unsigned char *PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,\n int passlen, unsigned char *in, int inlen,\n unsigned char **data, int *datalen, int en_de)\n{\n unsigned char *out = NULL;\n int outlen, i;\n EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();\n if (ctx == NULL) {\n PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!EVP_PBE_CipherInit(algor->algorithm, pass, passlen,\n algor->parameter, ctx, en_de)) {\n PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,\n PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);\n goto err;\n }\n if ((out = OPENSSL_malloc(inlen + EVP_CIPHER_CTX_block_size(ctx)))\n == NULL) {\n PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!EVP_CipherUpdate(ctx, out, &i, in, inlen)) {\n OPENSSL_free(out);\n out = NULL;\n PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_EVP_LIB);\n goto err;\n }\n outlen = i;\n if (!EVP_CipherFinal_ex(ctx, out + i, &i)) {\n OPENSSL_free(out);\n out = NULL;\n PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,\n PKCS12_R_PKCS12_CIPHERFINAL_ERROR);\n goto err;\n }\n outlen += i;\n if (datalen)\n *datalen = outlen;\n if (data)\n *data = out;\n err:\n EVP_CIPHER_CTX_free(ctx);\n return out;\n}', 'EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_CIPHER_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}']