include/linux/zstd.h

88 size_t ZSTD_compressBound(size_t srcSize);
95 static __attribute__((unused)) unsigned int ZSTD_isError(size_t code)  in ZSTD_isError()
97 	return code > (size_t)-ZSTD_error_maxCode;  in ZSTD_isError()
107 	size_t functionResult)  in ZSTD_getErrorCode()
191 	unsigned long long estimatedSrcSize, size_t dictSize);
205 	unsigned long long estimatedSrcSize, size_t dictSize);
222 size_t ZSTD_CCtxWorkspaceBound(ZSTD_compressionParameters cParams);
240 ZSTD_CCtx *ZSTD_initCCtx(void *workspace, size_t workspaceSize);
256 size_t ZSTD_compressCCtx(ZSTD_CCtx *ctx, void *dst, size_t dstCapacity,
257 	const void *src, size_t srcSize, ZSTD_parameters params);
265 size_t ZSTD_DCtxWorkspaceBound(void);
283 ZSTD_DCtx *ZSTD_initDCtx(void *workspace, size_t workspaceSize);
299 size_t ZSTD_decompressDCtx(ZSTD_DCtx *ctx, void *dst, size_t dstCapacity,
300 	const void *src, size_t srcSize);
325 size_t ZSTD_compress_usingDict(ZSTD_CCtx *ctx, void *dst, size_t dstCapacity,
326 	const void *src, size_t srcSize, const void *dict, size_t dictSize,
346 size_t ZSTD_decompress_usingDict(ZSTD_DCtx *ctx, void *dst, size_t dstCapacity,
347 	const void *src, size_t srcSize, const void *dict, size_t dictSize);
360 size_t ZSTD_CDictWorkspaceBound(ZSTD_compressionParameters cParams);
383 ZSTD_CDict *ZSTD_initCDict(const void *dictBuffer, size_t dictSize,
384 	ZSTD_parameters params, void *workspace, size_t workspaceSize);
406 size_t ZSTD_compress_usingCDict(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity,
407 	const void *src, size_t srcSize, const ZSTD_CDict *cdict);
416 size_t ZSTD_DDictWorkspaceBound(void);
438 ZSTD_DDict *ZSTD_initDDict(const void *dictBuffer, size_t dictSize,
439 	void *workspace, size_t workspaceSize);
457 size_t ZSTD_decompress_usingDDict(ZSTD_DCtx *dctx, void *dst,
458 	size_t dstCapacity, const void *src, size_t srcSize,
475 	size_t size;
476 	size_t pos;
488 	size_t size;
489 	size_t pos;
532 size_t ZSTD_CStreamWorkspaceBound(ZSTD_compressionParameters cParams);
557 	size_t workspaceSize);
573 	size_t workspaceSize);
587 size_t ZSTD_resetCStream(ZSTD_CStream *zcs, unsigned long long pledgedSrcSize);
605 size_t ZSTD_compressStream(ZSTD_CStream *zcs, ZSTD_outBuffer *output,
620 size_t ZSTD_flushStream(ZSTD_CStream *zcs, ZSTD_outBuffer *output);
633 size_t ZSTD_endStream(ZSTD_CStream *zcs, ZSTD_outBuffer *output);
640 size_t ZSTD_CStreamInSize(void);
649 size_t ZSTD_CStreamOutSize(void);
677 size_t ZSTD_DStreamWorkspaceBound(size_t maxWindowSize);
695 ZSTD_DStream *ZSTD_initDStream(size_t maxWindowSize, void *workspace,
696 	size_t workspaceSize);
709 ZSTD_DStream *ZSTD_initDStream_usingDDict(size_t maxWindowSize,
710 	const ZSTD_DDict *ddict, void *workspace, size_t workspaceSize);
722 size_t ZSTD_resetDStream(ZSTD_DStream *zds);
743 size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output,
751 size_t ZSTD_DStreamInSize(void);
760 size_t ZSTD_DStreamOutSize(void);
773 	((unsigned int)(sizeof(size_t) == 4 \
794 static const size_t ZSTD_frameHeaderSize_prefix = 5;
795 static const size_t ZSTD_frameHeaderSize_min = ZSTD_FRAMEHEADERSIZE_MIN;
796 static const size_t ZSTD_frameHeaderSize_max = ZSTD_FRAMEHEADERSIZE_MAX;
798 static const size_t ZSTD_skippableHeaderSize = 8;
816 size_t ZSTD_findFrameCompressedSize(const void *src, size_t srcSize);
831 unsigned long long ZSTD_getFrameContentSize(const void *src, size_t srcSize);
853 unsigned long long ZSTD_findDecompressedSize(const void *src, size_t srcSize);
864 size_t ZSTD_checkCParams(ZSTD_compressionParameters cParams);
875 	size_t dictSize);
886 unsigned int ZSTD_isFrame(const void *buffer, size_t size);
897 unsigned int ZSTD_getDictID_fromDict(const void *dict, size_t dictSize);
921 unsigned int ZSTD_getDictID_fromFrame(const void *src, size_t srcSize);
948 size_t ZSTD_getFrameParams(ZSTD_frameParams *fparamsPtr, const void *src,
949 	size_t srcSize);
1005 size_t ZSTD_compressBegin(ZSTD_CCtx *cctx, int compressionLevel);
1006 size_t ZSTD_compressBegin_usingDict(ZSTD_CCtx *cctx, const void *dict,
1007 	size_t dictSize, int compressionLevel);
1008 size_t ZSTD_compressBegin_advanced(ZSTD_CCtx *cctx, const void *dict,
1009 	size_t dictSize, ZSTD_parameters params,
1011 size_t ZSTD_copyCCtx(ZSTD_CCtx *cctx, const ZSTD_CCtx *preparedCCtx,
1013 size_t ZSTD_compressBegin_usingCDict(ZSTD_CCtx *cctx, const ZSTD_CDict *cdict,
1015 size_t ZSTD_compressContinue(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity,
1016 	const void *src, size_t srcSize);
1017 size_t ZSTD_compressEnd(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity,
1018 	const void *src, size_t srcSize);
1100 size_t ZSTD_decompressBegin(ZSTD_DCtx *dctx);
1101 size_t ZSTD_decompressBegin_usingDict(ZSTD_DCtx *dctx, const void *dict,
1102 	size_t dictSize);
1104 size_t ZSTD_nextSrcSizeToDecompress(ZSTD_DCtx *dctx);
1105 size_t ZSTD_decompressContinue(ZSTD_DCtx *dctx, void *dst, size_t dstCapacity,
1106 	const void *src, size_t srcSize);
1149 size_t ZSTD_getBlockSizeMax(ZSTD_CCtx *cctx);
1150 size_t ZSTD_compressBlock(ZSTD_CCtx *cctx, void *dst, size_t dstCapacity,
1151 	const void *src, size_t srcSize);
1152 size_t ZSTD_decompressBlock(ZSTD_DCtx *dctx, void *dst, size_t dstCapacity,
1153 	const void *src, size_t srcSize);
1154 size_t ZSTD_insertBlock(ZSTD_DCtx *dctx, const void *blockStart,
1155 	size_t blockSize);