Lines Matching refs:zds
1454 size_t ZSTD_freeDStream(ZSTD_DStream* zds) in ZSTD_freeDStream() argument
1456 return ZSTD_freeDCtx(zds); in ZSTD_freeDStream()
1507 size_t ZSTD_initDStream_usingDict(ZSTD_DStream* zds, const void* dict, size_t dictSize) in ZSTD_initDStream_usingDict() argument
1510 FORWARD_IF_ERROR( ZSTD_DCtx_reset(zds, ZSTD_reset_session_only) , ""); in ZSTD_initDStream_usingDict()
1511 FORWARD_IF_ERROR( ZSTD_DCtx_loadDictionary(zds, dict, dictSize) , ""); in ZSTD_initDStream_usingDict()
1512 return ZSTD_startingInputLength(zds->format); in ZSTD_initDStream_usingDict()
1516 size_t ZSTD_initDStream(ZSTD_DStream* zds) in ZSTD_initDStream() argument
1519 return ZSTD_initDStream_usingDDict(zds, NULL); in ZSTD_initDStream()
1742 static int ZSTD_DCtx_isOverflow(ZSTD_DStream* zds, size_t const neededInBuffSize, size_t const need… in ZSTD_DCtx_isOverflow() argument
1744 …return (zds->inBuffSize + zds->outBuffSize) >= (neededInBuffSize + neededOutBuffSize) * ZSTD_WORKS… in ZSTD_DCtx_isOverflow()
1747 static void ZSTD_DCtx_updateOversizedDuration(ZSTD_DStream* zds, size_t const neededInBuffSize, siz… in ZSTD_DCtx_updateOversizedDuration() argument
1749 if (ZSTD_DCtx_isOverflow(zds, neededInBuffSize, neededOutBuffSize)) in ZSTD_DCtx_updateOversizedDuration()
1750 zds->oversizedDuration++; in ZSTD_DCtx_updateOversizedDuration()
1752 zds->oversizedDuration = 0; in ZSTD_DCtx_updateOversizedDuration()
1755 static int ZSTD_DCtx_isOversizedTooLong(ZSTD_DStream* zds) in ZSTD_DCtx_isOversizedTooLong() argument
1757 return zds->oversizedDuration >= ZSTD_WORKSPACETOOLARGE_MAXDURATION; in ZSTD_DCtx_isOversizedTooLong()
1761 static size_t ZSTD_checkOutBuffer(ZSTD_DStream const* zds, ZSTD_outBuffer const* output) in ZSTD_checkOutBuffer() argument
1763 ZSTD_outBuffer const expect = zds->expectedOutBuffer; in ZSTD_checkOutBuffer()
1765 if (zds->outBufferMode != ZSTD_bm_stable) in ZSTD_checkOutBuffer()
1770 if (zds->streamStage == zdss_init) in ZSTD_checkOutBuffer()
1784 ZSTD_DStream* zds, char** op, char* oend, in ZSTD_decompressContinueStream() argument
1786 int const isSkipFrame = ZSTD_isSkipFrame(zds); in ZSTD_decompressContinueStream()
1787 if (zds->outBufferMode == ZSTD_bm_buffered) { in ZSTD_decompressContinueStream()
1788 size_t const dstSize = isSkipFrame ? 0 : zds->outBuffSize - zds->outStart; in ZSTD_decompressContinueStream()
1789 size_t const decodedSize = ZSTD_decompressContinue(zds, in ZSTD_decompressContinueStream()
1790 zds->outBuff + zds->outStart, dstSize, src, srcSize); in ZSTD_decompressContinueStream()
1793 zds->streamStage = zdss_read; in ZSTD_decompressContinueStream()
1795 zds->outEnd = zds->outStart + decodedSize; in ZSTD_decompressContinueStream()
1796 zds->streamStage = zdss_flush; in ZSTD_decompressContinueStream()
1801 size_t const decodedSize = ZSTD_decompressContinue(zds, *op, dstSize, src, srcSize); in ZSTD_decompressContinueStream()
1805 zds->streamStage = zdss_read; in ZSTD_decompressContinueStream()
1807 assert(zds->outBufferMode == ZSTD_bm_stable); in ZSTD_decompressContinueStream()
1812 size_t ZSTD_decompressStream(ZSTD_DStream* zds, ZSTD_outBuffer* output, ZSTD_inBuffer* input) in ZSTD_decompressStream() argument
1836 FORWARD_IF_ERROR(ZSTD_checkOutBuffer(zds, output), ""); in ZSTD_decompressStream()
1839 switch(zds->streamStage) in ZSTD_decompressStream()
1843 zds->streamStage = zdss_loadHeader; in ZSTD_decompressStream()
1844 zds->lhSize = zds->inPos = zds->outStart = zds->outEnd = 0; in ZSTD_decompressStream()
1845 zds->legacyVersion = 0; in ZSTD_decompressStream()
1846 zds->hostageByte = 0; in ZSTD_decompressStream()
1847 zds->expectedOutBuffer = *output; in ZSTD_decompressStream()
1852 … size_t const hSize = ZSTD_getFrameHeader_advanced(&zds->fParams, zds->headerBuffer, zds->lhSize, … in ZSTD_decompressStream()
1853 if (zds->refMultipleDDicts && zds->ddictSet) { in ZSTD_decompressStream()
1854 ZSTD_DCtx_selectFrameDDict(zds); in ZSTD_decompressStream()
1861 … size_t const toLoad = hSize - zds->lhSize; /* if hSize!=0, hSize > zds->lhSize */ in ZSTD_decompressStream()
1866 ZSTD_memcpy(zds->headerBuffer + zds->lhSize, ip, remainingInput); in ZSTD_decompressStream()
1867 zds->lhSize += remainingInput; in ZSTD_decompressStream()
1870 …return (MAX((size_t)ZSTD_FRAMEHEADERSIZE_MIN(zds->format), hSize) - zds->lhSize) + ZSTD_blockHeade… in ZSTD_decompressStream()
1873 … ZSTD_memcpy(zds->headerBuffer + zds->lhSize, ip, toLoad); zds->lhSize = hSize; ip += toLoad; in ZSTD_decompressStream()
1878 if (zds->fParams.frameContentSize != ZSTD_CONTENTSIZE_UNKNOWN in ZSTD_decompressStream()
1879 && zds->fParams.frameType != ZSTD_skippableFrame in ZSTD_decompressStream()
1880 && (U64)(size_t)(oend-op) >= zds->fParams.frameContentSize) { in ZSTD_decompressStream()
1884 …decompressedSize = ZSTD_decompress_usingDDict(zds, op, (size_t)(oend-op), istart, cSize, ZSTD_getD… in ZSTD_decompressStream()
1889 zds->expected = 0; in ZSTD_decompressStream()
1890 zds->streamStage = zdss_init; in ZSTD_decompressStream()
1896 if (zds->outBufferMode == ZSTD_bm_stable in ZSTD_decompressStream()
1897 && zds->fParams.frameType != ZSTD_skippableFrame in ZSTD_decompressStream()
1898 && zds->fParams.frameContentSize != ZSTD_CONTENTSIZE_UNKNOWN in ZSTD_decompressStream()
1899 && (U64)(size_t)(oend-op) < zds->fParams.frameContentSize) { in ZSTD_decompressStream()
1905 FORWARD_IF_ERROR(ZSTD_decompressBegin_usingDDict(zds, ZSTD_getDDict(zds)), ""); in ZSTD_decompressStream()
1907 …if ((MEM_readLE32(zds->headerBuffer) & ZSTD_MAGIC_SKIPPABLE_MASK) == ZSTD_MAGIC_SKIPPABLE_START) {… in ZSTD_decompressStream()
1908 zds->expected = MEM_readLE32(zds->headerBuffer + ZSTD_FRAMEIDSIZE); in ZSTD_decompressStream()
1909 zds->stage = ZSTDds_skipFrame; in ZSTD_decompressStream()
1911 FORWARD_IF_ERROR(ZSTD_decodeFrameHeader(zds, zds->headerBuffer, zds->lhSize), ""); in ZSTD_decompressStream()
1912 zds->expected = ZSTD_blockHeaderSize; in ZSTD_decompressStream()
1913 zds->stage = ZSTDds_decodeBlockHeader; in ZSTD_decompressStream()
1918 (U32)(zds->fParams.windowSize >>10), in ZSTD_decompressStream()
1919 (U32)(zds->maxWindowSize >> 10) ); in ZSTD_decompressStream()
1920 … zds->fParams.windowSize = MAX(zds->fParams.windowSize, 1U << ZSTD_WINDOWLOG_ABSOLUTEMIN); in ZSTD_decompressStream()
1921 RETURN_ERROR_IF(zds->fParams.windowSize > zds->maxWindowSize, in ZSTD_decompressStream()
1925 … { size_t const neededInBuffSize = MAX(zds->fParams.blockSizeMax, 4 /* frame checksum */); in ZSTD_decompressStream()
1926 size_t const neededOutBuffSize = zds->outBufferMode == ZSTD_bm_buffered in ZSTD_decompressStream()
1927 … ? ZSTD_decodingBufferSize_min(zds->fParams.windowSize, zds->fParams.frameContentSize) in ZSTD_decompressStream()
1930 ZSTD_DCtx_updateOversizedDuration(zds, neededInBuffSize, neededOutBuffSize); in ZSTD_decompressStream()
1932 …{ int const tooSmall = (zds->inBuffSize < neededInBuffSize) || (zds->outBuffSize < neededOutBuff… in ZSTD_decompressStream()
1933 int const tooLarge = ZSTD_DCtx_isOversizedTooLong(zds); in ZSTD_decompressStream()
1938 (U32)zds->inBuffSize, (U32)neededInBuffSize); in ZSTD_decompressStream()
1940 (U32)zds->outBuffSize, (U32)neededOutBuffSize); in ZSTD_decompressStream()
1941 if (zds->staticSize) { /* static DCtx */ in ZSTD_decompressStream()
1942 DEBUGLOG(4, "staticSize : %u", (U32)zds->staticSize); in ZSTD_decompressStream()
1943 assert(zds->staticSize >= sizeof(ZSTD_DCtx)); /* controlled at init */ in ZSTD_decompressStream()
1945 bufferSize > zds->staticSize - sizeof(ZSTD_DCtx), in ZSTD_decompressStream()
1948 ZSTD_customFree(zds->inBuff, zds->customMem); in ZSTD_decompressStream()
1949 zds->inBuffSize = 0; in ZSTD_decompressStream()
1950 zds->outBuffSize = 0; in ZSTD_decompressStream()
1951 zds->inBuff = (char*)ZSTD_customMalloc(bufferSize, zds->customMem); in ZSTD_decompressStream()
1952 RETURN_ERROR_IF(zds->inBuff == NULL, memory_allocation, ""); in ZSTD_decompressStream()
1954 zds->inBuffSize = neededInBuffSize; in ZSTD_decompressStream()
1955 zds->outBuff = zds->inBuff + zds->inBuffSize; in ZSTD_decompressStream()
1956 zds->outBuffSize = neededOutBuffSize; in ZSTD_decompressStream()
1958 zds->streamStage = zdss_read; in ZSTD_decompressStream()
1963 …{ size_t const neededInSize = ZSTD_nextSrcSizeToDecompressWithInputSize(zds, (size_t)(iend - ip)… in ZSTD_decompressStream()
1966 zds->streamStage = zdss_init; in ZSTD_decompressStream()
1971 … FORWARD_IF_ERROR(ZSTD_decompressContinueStream(zds, &op, oend, ip, neededInSize), ""); in ZSTD_decompressStream()
1977 zds->streamStage = zdss_load; in ZSTD_decompressStream()
1981 { size_t const neededInSize = ZSTD_nextSrcSizeToDecompress(zds); in ZSTD_decompressStream()
1982 size_t const toLoad = neededInSize - zds->inPos; in ZSTD_decompressStream()
1983 int const isSkipFrame = ZSTD_isSkipFrame(zds); in ZSTD_decompressStream()
1986 assert(neededInSize == ZSTD_nextSrcSizeToDecompressWithInputSize(zds, iend - ip)); in ZSTD_decompressStream()
1990 RETURN_ERROR_IF(toLoad > zds->inBuffSize - zds->inPos, in ZSTD_decompressStream()
1993 … loadedSize = ZSTD_limitCopy(zds->inBuff + zds->inPos, toLoad, ip, (size_t)(iend-ip)); in ZSTD_decompressStream()
1996 zds->inPos += loadedSize; in ZSTD_decompressStream()
2000 zds->inPos = 0; /* input is consumed */ in ZSTD_decompressStream()
2001 … FORWARD_IF_ERROR(ZSTD_decompressContinueStream(zds, &op, oend, zds->inBuff, neededInSize), ""); in ZSTD_decompressStream()
2006 { size_t const toFlushSize = zds->outEnd - zds->outStart; in ZSTD_decompressStream()
2007 …size_t const flushedSize = ZSTD_limitCopy(op, (size_t)(oend-op), zds->outBuff + zds->outStart, toF… in ZSTD_decompressStream()
2009 zds->outStart += flushedSize; in ZSTD_decompressStream()
2011 zds->streamStage = zdss_read; in ZSTD_decompressStream()
2012 if ( (zds->outBuffSize < zds->fParams.frameContentSize) in ZSTD_decompressStream()
2013 && (zds->outStart + zds->fParams.blockSizeMax > zds->outBuffSize) ) { in ZSTD_decompressStream()
2015 (int)(zds->outBuffSize - zds->outStart), in ZSTD_decompressStream()
2016 (U32)zds->fParams.blockSizeMax); in ZSTD_decompressStream()
2017 zds->outStart = zds->outEnd = 0; in ZSTD_decompressStream()
2035 zds->expectedOutBuffer = *output; in ZSTD_decompressStream()
2038 zds->noForwardProgress ++; in ZSTD_decompressStream()
2039 if (zds->noForwardProgress >= ZSTD_NO_FORWARD_PROGRESS_MAX) { in ZSTD_decompressStream()
2045 zds->noForwardProgress = 0; in ZSTD_decompressStream()
2047 { size_t nextSrcSizeHint = ZSTD_nextSrcSizeToDecompress(zds); in ZSTD_decompressStream()
2049 if (zds->outEnd == zds->outStart) { /* output fully flushed */ in ZSTD_decompressStream()
2050 if (zds->hostageByte) { in ZSTD_decompressStream()
2053 zds->streamStage = zdss_read; in ZSTD_decompressStream()
2060 …if (!zds->hostageByte) { /* output not fully flushed; keep last byte as hostage; will be released … in ZSTD_decompressStream()
2062 zds->hostageByte=1; in ZSTD_decompressStream()
2066 …nextSrcSizeHint += ZSTD_blockHeaderSize * (ZSTD_nextInputType(zds) == ZSTDnit_block); /* preload… in ZSTD_decompressStream()
2067 assert(zds->inPos <= nextSrcSizeHint); in ZSTD_decompressStream()
2068 nextSrcSizeHint -= zds->inPos; /* part already loaded*/ in ZSTD_decompressStream()