555     {   ZSTD_FrameHeader zfh;  in ZSTD_getFrameContentSize()  local
556         if (ZSTD_getFrameHeader(&zfh, src, srcSize) != 0)  in ZSTD_getFrameContentSize()
558         if (zfh.frameType == ZSTD_skippableFrame) {  in ZSTD_getFrameContentSize()
561             return zfh.frameContentSize;  in ZSTD_getFrameContentSize()
729         ZSTD_FrameHeader zfh;  in ZSTD_findFrameSizeInfo()  local
732         {   size_t const ret = ZSTD_getFrameHeader_advanced(&zfh, src, srcSize, format);  in ZSTD_findFrameSizeInfo()
739         ip += zfh.headerSize;  in ZSTD_findFrameSizeInfo()
740         remainingSize -= zfh.headerSize;  in ZSTD_findFrameSizeInfo()
760         if (zfh.checksumFlag) {  in ZSTD_findFrameSizeInfo()
768         frameSizeInfo.decompressedBound = (zfh.frameContentSize != ZSTD_CONTENTSIZE_UNKNOWN)  in ZSTD_findFrameSizeInfo()
769                                         ? zfh.frameContentSize  in ZSTD_findFrameSizeInfo()
770                                         : (unsigned long long)nbBlocks * zfh.blockSizeMax;  in ZSTD_findFrameSizeInfo()
822         ZSTD_FrameHeader zfh;  in ZSTD_decompressionMargin()  local
824         FORWARD_IF_ERROR(ZSTD_getFrameHeader(&zfh, src, srcSize), "");  in ZSTD_decompressionMargin()
828         if (zfh.frameType == ZSTD_frame) {  in ZSTD_decompressionMargin()
830             margin += zfh.headerSize;  in ZSTD_decompressionMargin()
832             margin += zfh.checksumFlag ? 4 : 0;  in ZSTD_decompressionMargin()
837             maxBlockSize = MAX(maxBlockSize, zfh.blockSizeMax);  in ZSTD_decompressionMargin()
839             assert(zfh.frameType == ZSTD_skippableFrame);  in ZSTD_decompressionMargin()
1927     ZSTD_FrameHeader zfh;  in ZSTD_estimateDStreamSize_fromFrame()  local
1928     size_t const err = ZSTD_getFrameHeader(&zfh, src, srcSize);  in ZSTD_estimateDStreamSize_fromFrame()
1931     RETURN_ERROR_IF(zfh.windowSize > windowSizeMax,  in ZSTD_estimateDStreamSize_fromFrame()
1933     return ZSTD_estimateDStreamSize((size_t)zfh.windowSize);  in ZSTD_estimateDStreamSize_fromFrame()