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- #if defined (__cplusplus)
- extern "C" {
- #endif
- #ifndef HUF_H_298734234
- #define HUF_H_298734234
- #include <stddef.h> /* size_t */
- #if defined(FSE_DLL_EXPORT) && (FSE_DLL_EXPORT==1) && defined(__GNUC__) && (__GNUC__ >= 4)
- # define HUF_PUBLIC_API __attribute__ ((visibility ("default")))
- #elif defined(FSE_DLL_EXPORT) && (FSE_DLL_EXPORT==1) /* Visual expected */
- # define HUF_PUBLIC_API __declspec(dllexport)
- #elif defined(FSE_DLL_IMPORT) && (FSE_DLL_IMPORT==1)
- # define HUF_PUBLIC_API __declspec(dllimport) /* not required, just to generate faster code (saves a function pointer load from IAT and an indirect jump) */
- #else
- # define HUF_PUBLIC_API
- #endif
- HUF_PUBLIC_API size_t HUF_compress(void* dst, size_t dstCapacity,
- const void* src, size_t srcSize);
- HUF_PUBLIC_API size_t HUF_decompress(void* dst, size_t originalSize,
- const void* cSrc, size_t cSrcSize);
- #define HUF_BLOCKSIZE_MAX (128 * 1024) /**< maximum input size for a single block compressed with HUF_compress */
- HUF_PUBLIC_API size_t HUF_compressBound(size_t size);
- HUF_PUBLIC_API unsigned HUF_isError(size_t code);
- HUF_PUBLIC_API const char* HUF_getErrorName(size_t code);
- HUF_PUBLIC_API size_t HUF_compress2 (void* dst, size_t dstCapacity,
- const void* src, size_t srcSize,
- unsigned maxSymbolValue, unsigned tableLog);
- #define HUF_WORKSPACE_SIZE (6 << 10)
- #define HUF_WORKSPACE_SIZE_U32 (HUF_WORKSPACE_SIZE / sizeof(U32))
- HUF_PUBLIC_API size_t HUF_compress4X_wksp (void* dst, size_t dstCapacity,
- const void* src, size_t srcSize,
- unsigned maxSymbolValue, unsigned tableLog,
- void* workSpace, size_t wkspSize);
- #endif /* HUF_H_298734234 */
- #if defined(HUF_STATIC_LINKING_ONLY) && !defined(HUF_H_HUF_STATIC_LINKING_ONLY)
- #define HUF_H_HUF_STATIC_LINKING_ONLY
- #include "mem.h" /* U32 */
- #define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_ABSOLUTEMAX_TABLELOG */
- #define HUF_TABLELOG_DEFAULT 11 /* default tableLog value when none specified */
- #define HUF_SYMBOLVALUE_MAX 255
- #define HUF_TABLELOG_ABSOLUTEMAX 15 /* absolute limit of HUF_MAX_TABLELOG. Beyond that value, code does not work */
- #if (HUF_TABLELOG_MAX > HUF_TABLELOG_ABSOLUTEMAX)
- # error "HUF_TABLELOG_MAX is too large !"
- #endif
- #define HUF_CTABLEBOUND 129
- #define HUF_BLOCKBOUND(size) (size + (size>>8) + 8) /* only true when incompressible is pre-filtered with fast heuristic */
- #define HUF_COMPRESSBOUND(size) (HUF_CTABLEBOUND + HUF_BLOCKBOUND(size)) /* Macro version, useful for static allocation */
- #define HUF_CTABLE_SIZE_U32(maxSymbolValue) ((maxSymbolValue)+1) /* Use tables of U32, for proper alignment */
- #define HUF_CTABLE_SIZE(maxSymbolValue) (HUF_CTABLE_SIZE_U32(maxSymbolValue) * sizeof(U32))
- #define HUF_CREATE_STATIC_CTABLE(name, maxSymbolValue) \
- U32 name##hb[HUF_CTABLE_SIZE_U32(maxSymbolValue)]; \
- void* name##hv = &(name##hb); \
- HUF_CElt* name = (HUF_CElt*)(name##hv) /* no final ; */
- typedef U32 HUF_DTable;
- #define HUF_DTABLE_SIZE(maxTableLog) (1 + (1<<(maxTableLog)))
- #define HUF_CREATE_STATIC_DTABLEX1(DTable, maxTableLog) \
- HUF_DTable DTable[HUF_DTABLE_SIZE((maxTableLog)-1)] = { ((U32)((maxTableLog)-1) * 0x01000001) }
- #define HUF_CREATE_STATIC_DTABLEX2(DTable, maxTableLog) \
- HUF_DTable DTable[HUF_DTABLE_SIZE(maxTableLog)] = { ((U32)(maxTableLog) * 0x01000001) }
- size_t HUF_decompress4X1 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- #ifndef HUF_FORCE_DECOMPRESS_X1
- size_t HUF_decompress4X2 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- #endif
- size_t HUF_decompress4X_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- size_t HUF_decompress4X_hufOnly(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- size_t HUF_decompress4X_hufOnly_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
- size_t HUF_decompress4X1_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- size_t HUF_decompress4X1_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
- #ifndef HUF_FORCE_DECOMPRESS_X1
- size_t HUF_decompress4X2_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- size_t HUF_decompress4X2_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
- #endif
- unsigned HUF_optimalTableLog(unsigned maxTableLog, size_t srcSize, unsigned maxSymbolValue);
- typedef struct HUF_CElt_s HUF_CElt;
- size_t HUF_buildCTable (HUF_CElt* CTable, const unsigned* count, unsigned maxSymbolValue, unsigned maxNbBits);
- size_t HUF_writeCTable (void* dst, size_t maxDstSize, const HUF_CElt* CTable, unsigned maxSymbolValue, unsigned huffLog);
- size_t HUF_compress4X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const HUF_CElt* CTable);
- typedef enum {
- HUF_repeat_none,
- HUF_repeat_check,
- HUF_repeat_valid
- } HUF_repeat;
- size_t HUF_compress4X_repeat(void* dst, size_t dstSize,
- const void* src, size_t srcSize,
- unsigned maxSymbolValue, unsigned tableLog,
- void* workSpace, size_t wkspSize,
- HUF_CElt* hufTable, HUF_repeat* repeat, int preferRepeat, int bmi2);
- #define HUF_CTABLE_WORKSPACE_SIZE_U32 (2*HUF_SYMBOLVALUE_MAX +1 +1)
- #define HUF_CTABLE_WORKSPACE_SIZE (HUF_CTABLE_WORKSPACE_SIZE_U32 * sizeof(unsigned))
- size_t HUF_buildCTable_wksp (HUF_CElt* tree,
- const unsigned* count, U32 maxSymbolValue, U32 maxNbBits,
- void* workSpace, size_t wkspSize);
- size_t HUF_readStats(BYTE* huffWeight, size_t hwSize,
- U32* rankStats, U32* nbSymbolsPtr, U32* tableLogPtr,
- const void* src, size_t srcSize);
- size_t HUF_readCTable (HUF_CElt* CTable, unsigned* maxSymbolValuePtr, const void* src, size_t srcSize);
- U32 HUF_getNbBits(const void* symbolTable, U32 symbolValue);
- U32 HUF_selectDecoder (size_t dstSize, size_t cSrcSize);
- #define HUF_DECOMPRESS_WORKSPACE_SIZE (2 << 10)
- #define HUF_DECOMPRESS_WORKSPACE_SIZE_U32 (HUF_DECOMPRESS_WORKSPACE_SIZE / sizeof(U32))
- #ifndef HUF_FORCE_DECOMPRESS_X2
- size_t HUF_readDTableX1 (HUF_DTable* DTable, const void* src, size_t srcSize);
- size_t HUF_readDTableX1_wksp (HUF_DTable* DTable, const void* src, size_t srcSize, void* workSpace, size_t wkspSize);
- #endif
- #ifndef HUF_FORCE_DECOMPRESS_X1
- size_t HUF_readDTableX2 (HUF_DTable* DTable, const void* src, size_t srcSize);
- size_t HUF_readDTableX2_wksp (HUF_DTable* DTable, const void* src, size_t srcSize, void* workSpace, size_t wkspSize);
- #endif
- size_t HUF_decompress4X_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
- #ifndef HUF_FORCE_DECOMPRESS_X2
- size_t HUF_decompress4X1_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
- #endif
- #ifndef HUF_FORCE_DECOMPRESS_X1
- size_t HUF_decompress4X2_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
- #endif
- size_t HUF_compress1X (void* dst, size_t dstSize, const void* src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog);
- size_t HUF_compress1X_wksp (void* dst, size_t dstSize, const void* src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog, void* workSpace, size_t wkspSize);
- size_t HUF_compress1X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const HUF_CElt* CTable);
- size_t HUF_compress1X_repeat(void* dst, size_t dstSize,
- const void* src, size_t srcSize,
- unsigned maxSymbolValue, unsigned tableLog,
- void* workSpace, size_t wkspSize,
- HUF_CElt* hufTable, HUF_repeat* repeat, int preferRepeat, int bmi2);
- size_t HUF_decompress1X1 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- #ifndef HUF_FORCE_DECOMPRESS_X1
- size_t HUF_decompress1X2 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- #endif
- size_t HUF_decompress1X_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- size_t HUF_decompress1X_DCtx_wksp (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
- #ifndef HUF_FORCE_DECOMPRESS_X2
- size_t HUF_decompress1X1_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- size_t HUF_decompress1X1_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
- #endif
- #ifndef HUF_FORCE_DECOMPRESS_X1
- size_t HUF_decompress1X2_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
- size_t HUF_decompress1X2_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
- #endif
- size_t HUF_decompress1X_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
- #ifndef HUF_FORCE_DECOMPRESS_X2
- size_t HUF_decompress1X1_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
- #endif
- #ifndef HUF_FORCE_DECOMPRESS_X1
- size_t HUF_decompress1X2_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
- #endif
- size_t HUF_decompress1X_usingDTable_bmi2(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable, int bmi2);
- #ifndef HUF_FORCE_DECOMPRESS_X2
- size_t HUF_decompress1X1_DCtx_wksp_bmi2(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize, int bmi2);
- #endif
- size_t HUF_decompress4X_usingDTable_bmi2(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable, int bmi2);
- size_t HUF_decompress4X_hufOnly_wksp_bmi2(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize, int bmi2);
- #endif /* HUF_STATIC_LINKING_ONLY */
- #if defined (__cplusplus)
- }
- #endif
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