Lines Matching refs:zds
1611 size_t ZSTD_freeDStream(ZSTD_DStream* zds) in ZSTD_freeDStream() argument
1613 return ZSTD_freeDCtx(zds); in ZSTD_freeDStream()
1664 size_t ZSTD_initDStream_usingDict(ZSTD_DStream* zds, const void* dict, size_t dictSize) in ZSTD_initDStream_usingDict() argument
1667 FORWARD_IF_ERROR( ZSTD_DCtx_reset(zds, ZSTD_reset_session_only) , ""); in ZSTD_initDStream_usingDict()
1668 FORWARD_IF_ERROR( ZSTD_DCtx_loadDictionary(zds, dict, dictSize) , ""); in ZSTD_initDStream_usingDict()
1669 return ZSTD_startingInputLength(zds->format); in ZSTD_initDStream_usingDict()
1673 size_t ZSTD_initDStream(ZSTD_DStream* zds) in ZSTD_initDStream() argument
1676 FORWARD_IF_ERROR(ZSTD_DCtx_reset(zds, ZSTD_reset_session_only), ""); in ZSTD_initDStream()
1677 FORWARD_IF_ERROR(ZSTD_DCtx_refDDict(zds, NULL), ""); in ZSTD_initDStream()
1678 return ZSTD_startingInputLength(zds->format); in ZSTD_initDStream()
1939 static int ZSTD_DCtx_isOverflow(ZSTD_DStream* zds, size_t const neededInBuffSize, size_t const need… in ZSTD_DCtx_isOverflow() argument
1941 …return (zds->inBuffSize + zds->outBuffSize) >= (neededInBuffSize + neededOutBuffSize) * ZSTD_WORKS… in ZSTD_DCtx_isOverflow()
1944 static void ZSTD_DCtx_updateOversizedDuration(ZSTD_DStream* zds, size_t const neededInBuffSize, siz… in ZSTD_DCtx_updateOversizedDuration() argument
1946 if (ZSTD_DCtx_isOverflow(zds, neededInBuffSize, neededOutBuffSize)) in ZSTD_DCtx_updateOversizedDuration()
1947 zds->oversizedDuration++; in ZSTD_DCtx_updateOversizedDuration()
1949 zds->oversizedDuration = 0; in ZSTD_DCtx_updateOversizedDuration()
1952 static int ZSTD_DCtx_isOversizedTooLong(ZSTD_DStream* zds) in ZSTD_DCtx_isOversizedTooLong() argument
1954 return zds->oversizedDuration >= ZSTD_WORKSPACETOOLARGE_MAXDURATION; in ZSTD_DCtx_isOversizedTooLong()
1958 static size_t ZSTD_checkOutBuffer(ZSTD_DStream const* zds, ZSTD_outBuffer const* output) in ZSTD_checkOutBuffer() argument
1960 ZSTD_outBuffer const expect = zds->expectedOutBuffer; in ZSTD_checkOutBuffer()
1962 if (zds->outBufferMode != ZSTD_bm_stable) in ZSTD_checkOutBuffer()
1967 if (zds->streamStage == zdss_init) in ZSTD_checkOutBuffer()
1981 ZSTD_DStream* zds, char** op, char* oend, in ZSTD_decompressContinueStream() argument
1983 int const isSkipFrame = ZSTD_isSkipFrame(zds); in ZSTD_decompressContinueStream()
1984 if (zds->outBufferMode == ZSTD_bm_buffered) { in ZSTD_decompressContinueStream()
1985 size_t const dstSize = isSkipFrame ? 0 : zds->outBuffSize - zds->outStart; in ZSTD_decompressContinueStream()
1986 size_t const decodedSize = ZSTD_decompressContinue(zds, in ZSTD_decompressContinueStream()
1987 zds->outBuff + zds->outStart, dstSize, src, srcSize); in ZSTD_decompressContinueStream()
1990 zds->streamStage = zdss_read; in ZSTD_decompressContinueStream()
1992 zds->outEnd = zds->outStart + decodedSize; in ZSTD_decompressContinueStream()
1993 zds->streamStage = zdss_flush; in ZSTD_decompressContinueStream()
1998 size_t const decodedSize = ZSTD_decompressContinue(zds, *op, dstSize, src, srcSize); in ZSTD_decompressContinueStream()
2002 zds->streamStage = zdss_read; in ZSTD_decompressContinueStream()
2004 assert(zds->outBufferMode == ZSTD_bm_stable); in ZSTD_decompressContinueStream()
2009 size_t ZSTD_decompressStream(ZSTD_DStream* zds, ZSTD_outBuffer* output, ZSTD_inBuffer* input) in ZSTD_decompressStream() argument
2022 assert(zds != NULL); in ZSTD_decompressStream()
2034 FORWARD_IF_ERROR(ZSTD_checkOutBuffer(zds, output), ""); in ZSTD_decompressStream()
2037 switch(zds->streamStage) in ZSTD_decompressStream()
2041 zds->streamStage = zdss_loadHeader; in ZSTD_decompressStream()
2042 zds->lhSize = zds->inPos = zds->outStart = zds->outEnd = 0; in ZSTD_decompressStream()
2043 zds->hostageByte = 0; in ZSTD_decompressStream()
2044 zds->expectedOutBuffer = *output; in ZSTD_decompressStream()
2049 … size_t const hSize = ZSTD_getFrameHeader_advanced(&zds->fParams, zds->headerBuffer, zds->lhSize, … in ZSTD_decompressStream()
2050 if (zds->refMultipleDDicts && zds->ddictSet) { in ZSTD_decompressStream()
2051 ZSTD_DCtx_selectFrameDDict(zds); in ZSTD_decompressStream()
2057 … size_t const toLoad = hSize - zds->lhSize; /* if hSize!=0, hSize > zds->lhSize */ in ZSTD_decompressStream()
2062 ZSTD_memcpy(zds->headerBuffer + zds->lhSize, ip, remainingInput); in ZSTD_decompressStream()
2063 zds->lhSize += remainingInput; in ZSTD_decompressStream()
2068 … ZSTD_getFrameHeader_advanced(&zds->fParams, zds->headerBuffer, zds->lhSize, zds->format), in ZSTD_decompressStream()
2071 …return (MAX((size_t)ZSTD_FRAMEHEADERSIZE_MIN(zds->format), hSize) - zds->lhSize) + ZSTD_blockHeade… in ZSTD_decompressStream()
2074 … ZSTD_memcpy(zds->headerBuffer + zds->lhSize, ip, toLoad); zds->lhSize = hSize; ip += toLoad; in ZSTD_decompressStream()
2079 if (zds->fParams.frameContentSize != ZSTD_CONTENTSIZE_UNKNOWN in ZSTD_decompressStream()
2080 && zds->fParams.frameType != ZSTD_skippableFrame in ZSTD_decompressStream()
2081 && (U64)(size_t)(oend-op) >= zds->fParams.frameContentSize) { in ZSTD_decompressStream()
2082 …_t const cSize = ZSTD_findFrameCompressedSize_advanced(istart, (size_t)(iend-istart), zds->format); in ZSTD_decompressStream()
2085 …decompressedSize = ZSTD_decompress_usingDDict(zds, op, (size_t)(oend-op), istart, cSize, ZSTD_getD… in ZSTD_decompressStream()
2091 zds->expected = 0; in ZSTD_decompressStream()
2092 zds->streamStage = zdss_init; in ZSTD_decompressStream()
2098 if (zds->outBufferMode == ZSTD_bm_stable in ZSTD_decompressStream()
2099 && zds->fParams.frameType != ZSTD_skippableFrame in ZSTD_decompressStream()
2100 && zds->fParams.frameContentSize != ZSTD_CONTENTSIZE_UNKNOWN in ZSTD_decompressStream()
2101 && (U64)(size_t)(oend-op) < zds->fParams.frameContentSize) { in ZSTD_decompressStream()
2107 FORWARD_IF_ERROR(ZSTD_decompressBegin_usingDDict(zds, ZSTD_getDDict(zds)), ""); in ZSTD_decompressStream()
2109 if (zds->format == ZSTD_f_zstd1 in ZSTD_decompressStream()
2110 …&& (MEM_readLE32(zds->headerBuffer) & ZSTD_MAGIC_SKIPPABLE_MASK) == ZSTD_MAGIC_SKIPPABLE_START) { … in ZSTD_decompressStream()
2111 zds->expected = MEM_readLE32(zds->headerBuffer + ZSTD_FRAMEIDSIZE); in ZSTD_decompressStream()
2112 zds->stage = ZSTDds_skipFrame; in ZSTD_decompressStream()
2114 FORWARD_IF_ERROR(ZSTD_decodeFrameHeader(zds, zds->headerBuffer, zds->lhSize), ""); in ZSTD_decompressStream()
2115 zds->expected = ZSTD_blockHeaderSize; in ZSTD_decompressStream()
2116 zds->stage = ZSTDds_decodeBlockHeader; in ZSTD_decompressStream()
2121 (U32)(zds->fParams.windowSize >>10), in ZSTD_decompressStream()
2122 (U32)(zds->maxWindowSize >> 10) ); in ZSTD_decompressStream()
2123 … zds->fParams.windowSize = MAX(zds->fParams.windowSize, 1U << ZSTD_WINDOWLOG_ABSOLUTEMIN); in ZSTD_decompressStream()
2124 RETURN_ERROR_IF(zds->fParams.windowSize > zds->maxWindowSize, in ZSTD_decompressStream()
2126 if (zds->maxBlockSizeParam != 0) in ZSTD_decompressStream()
2127 … zds->fParams.blockSizeMax = MIN(zds->fParams.blockSizeMax, (unsigned)zds->maxBlockSizeParam); in ZSTD_decompressStream()
2130 … { size_t const neededInBuffSize = MAX(zds->fParams.blockSizeMax, 4 /* frame checksum */); in ZSTD_decompressStream()
2131 size_t const neededOutBuffSize = zds->outBufferMode == ZSTD_bm_buffered in ZSTD_decompressStream()
2132 …? ZSTD_decodingBufferSize_internal(zds->fParams.windowSize, zds->fParams.frameContentSize, zds->fP… in ZSTD_decompressStream()
2135 ZSTD_DCtx_updateOversizedDuration(zds, neededInBuffSize, neededOutBuffSize); in ZSTD_decompressStream()
2137 …{ int const tooSmall = (zds->inBuffSize < neededInBuffSize) || (zds->outBuffSize < neededOutBuff… in ZSTD_decompressStream()
2138 int const tooLarge = ZSTD_DCtx_isOversizedTooLong(zds); in ZSTD_decompressStream()
2143 (U32)zds->inBuffSize, (U32)neededInBuffSize); in ZSTD_decompressStream()
2145 (U32)zds->outBuffSize, (U32)neededOutBuffSize); in ZSTD_decompressStream()
2146 if (zds->staticSize) { /* static DCtx */ in ZSTD_decompressStream()
2147 DEBUGLOG(4, "staticSize : %u", (U32)zds->staticSize); in ZSTD_decompressStream()
2148 assert(zds->staticSize >= sizeof(ZSTD_DCtx)); /* controlled at init */ in ZSTD_decompressStream()
2150 bufferSize > zds->staticSize - sizeof(ZSTD_DCtx), in ZSTD_decompressStream()
2153 ZSTD_customFree(zds->inBuff, zds->customMem); in ZSTD_decompressStream()
2154 zds->inBuffSize = 0; in ZSTD_decompressStream()
2155 zds->outBuffSize = 0; in ZSTD_decompressStream()
2156 zds->inBuff = (char*)ZSTD_customMalloc(bufferSize, zds->customMem); in ZSTD_decompressStream()
2157 RETURN_ERROR_IF(zds->inBuff == NULL, memory_allocation, ""); in ZSTD_decompressStream()
2159 zds->inBuffSize = neededInBuffSize; in ZSTD_decompressStream()
2160 zds->outBuff = zds->inBuff + zds->inBuffSize; in ZSTD_decompressStream()
2161 zds->outBuffSize = neededOutBuffSize; in ZSTD_decompressStream()
2163 zds->streamStage = zdss_read; in ZSTD_decompressStream()
2168 …{ size_t const neededInSize = ZSTD_nextSrcSizeToDecompressWithInputSize(zds, (size_t)(iend - ip)… in ZSTD_decompressStream()
2171 zds->streamStage = zdss_init; in ZSTD_decompressStream()
2176 … FORWARD_IF_ERROR(ZSTD_decompressContinueStream(zds, &op, oend, ip, neededInSize), ""); in ZSTD_decompressStream()
2183 zds->streamStage = zdss_load; in ZSTD_decompressStream()
2187 { size_t const neededInSize = ZSTD_nextSrcSizeToDecompress(zds); in ZSTD_decompressStream()
2188 size_t const toLoad = neededInSize - zds->inPos; in ZSTD_decompressStream()
2189 int const isSkipFrame = ZSTD_isSkipFrame(zds); in ZSTD_decompressStream()
2192 … assert(neededInSize == ZSTD_nextSrcSizeToDecompressWithInputSize(zds, (size_t)(iend - ip))); in ZSTD_decompressStream()
2196 RETURN_ERROR_IF(toLoad > zds->inBuffSize - zds->inPos, in ZSTD_decompressStream()
2199 … loadedSize = ZSTD_limitCopy(zds->inBuff + zds->inPos, toLoad, ip, (size_t)(iend-ip)); in ZSTD_decompressStream()
2204 zds->inPos += loadedSize; in ZSTD_decompressStream()
2209 zds->inPos = 0; /* input is consumed */ in ZSTD_decompressStream()
2210 … FORWARD_IF_ERROR(ZSTD_decompressContinueStream(zds, &op, oend, zds->inBuff, neededInSize), ""); in ZSTD_decompressStream()
2216 size_t const toFlushSize = zds->outEnd - zds->outStart; in ZSTD_decompressStream()
2217 …size_t const flushedSize = ZSTD_limitCopy(op, (size_t)(oend-op), zds->outBuff + zds->outStart, toF… in ZSTD_decompressStream()
2221 zds->outStart += flushedSize; in ZSTD_decompressStream()
2223 zds->streamStage = zdss_read; in ZSTD_decompressStream()
2224 if ( (zds->outBuffSize < zds->fParams.frameContentSize) in ZSTD_decompressStream()
2225 && (zds->outStart + zds->fParams.blockSizeMax > zds->outBuffSize) ) { in ZSTD_decompressStream()
2227 (int)(zds->outBuffSize - zds->outStart), in ZSTD_decompressStream()
2228 (U32)zds->fParams.blockSizeMax); in ZSTD_decompressStream()
2229 zds->outStart = zds->outEnd = 0; in ZSTD_decompressStream()
2247 zds->expectedOutBuffer = *output; in ZSTD_decompressStream()
2250 zds->noForwardProgress ++; in ZSTD_decompressStream()
2251 if (zds->noForwardProgress >= ZSTD_NO_FORWARD_PROGRESS_MAX) { in ZSTD_decompressStream()
2257 zds->noForwardProgress = 0; in ZSTD_decompressStream()
2259 { size_t nextSrcSizeHint = ZSTD_nextSrcSizeToDecompress(zds); in ZSTD_decompressStream()
2261 if (zds->outEnd == zds->outStart) { /* output fully flushed */ in ZSTD_decompressStream()
2262 if (zds->hostageByte) { in ZSTD_decompressStream()
2265 zds->streamStage = zdss_read; in ZSTD_decompressStream()
2272 …if (!zds->hostageByte) { /* output not fully flushed; keep last byte as hostage; will be released … in ZSTD_decompressStream()
2274 zds->hostageByte=1; in ZSTD_decompressStream()
2278 …nextSrcSizeHint += ZSTD_blockHeaderSize * (ZSTD_nextInputType(zds) == ZSTDnit_block); /* preload… in ZSTD_decompressStream()
2279 assert(zds->inPos <= nextSrcSizeHint); in ZSTD_decompressStream()
2280 nextSrcSizeHint -= zds->inPos; /* part already loaded*/ in ZSTD_decompressStream()