contrib/zstd/lib/decompress/huf_decompress.c in extzstd-0.1.1 vs contrib/zstd/lib/decompress/huf_decompress.c in extzstd-0.2
- old
+ new
@@ -31,44 +31,34 @@
- FSE+HUF source repository : https://github.com/Cyan4973/FiniteStateEntropy
- Public forum : https://groups.google.com/forum/#!forum/lz4c
****************************************************************** */
/* **************************************************************
-* Compiler specifics
-****************************************************************/
-#ifdef _MSC_VER /* Visual Studio */
-# define FORCE_INLINE static __forceinline
-# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
-#else
-# if defined (__cplusplus) || defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */
-# ifdef __GNUC__
-# define FORCE_INLINE static inline __attribute__((always_inline))
-# else
-# define FORCE_INLINE static inline
-# endif
-# else
-# define FORCE_INLINE static
-# endif /* __STDC_VERSION__ */
-#endif
-
-
-/* **************************************************************
* Dependencies
****************************************************************/
#include <string.h> /* memcpy, memset */
#include "bitstream.h" /* BIT_* */
+#include "compiler.h"
#include "fse.h" /* header compression */
#define HUF_STATIC_LINKING_ONLY
#include "huf.h"
+#include "error_private.h"
/* **************************************************************
* Error Management
****************************************************************/
+#define HUF_isError ERR_isError
#define HUF_STATIC_ASSERT(c) { enum { HUF_static_assert = 1/(int)(!!(c)) }; } /* use only *after* variable declarations */
+/* **************************************************************
+* Byte alignment for workSpace management
+****************************************************************/
+#define HUF_ALIGN(x, a) HUF_ALIGN_MASK((x), (a) - 1)
+#define HUF_ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
+
/*-***************************/
/* generic DTableDesc */
/*-***************************/
typedef struct { BYTE maxTableLog; BYTE tableType; BYTE tableLog; BYTE reserved; } DTableDesc;
@@ -85,20 +75,32 @@
/* single-symbol decoding */
/*-***************************/
typedef struct { BYTE byte; BYTE nbBits; } HUF_DEltX2; /* single-symbol decoding */
-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)
{
- BYTE huffWeight[HUF_SYMBOLVALUE_MAX + 1];
- U32 rankVal[HUF_TABLELOG_ABSOLUTEMAX + 1]; /* large enough for values from 0 to 16 */
U32 tableLog = 0;
U32 nbSymbols = 0;
size_t iSize;
void* const dtPtr = DTable + 1;
HUF_DEltX2* const dt = (HUF_DEltX2*)dtPtr;
+ U32* rankVal;
+ BYTE* huffWeight;
+ size_t spaceUsed32 = 0;
+
+ rankVal = (U32 *)workSpace + spaceUsed32;
+ spaceUsed32 += HUF_TABLELOG_ABSOLUTEMAX + 1;
+ huffWeight = (BYTE *)((U32 *)workSpace + spaceUsed32);
+ spaceUsed32 += HUF_ALIGN(HUF_SYMBOLVALUE_MAX + 1, sizeof(U32)) >> 2;
+
+ if ((spaceUsed32 << 2) > wkspSize)
+ return ERROR(tableLog_tooLarge);
+ workSpace = (U32 *)workSpace + spaceUsed32;
+ wkspSize -= (spaceUsed32 << 2);
+
HUF_STATIC_ASSERT(sizeof(DTableDesc) == sizeof(HUF_DTable));
/* memset(huffWeight, 0, sizeof(huffWeight)); */ /* is not necessary, even though some analyzer complain ... */
iSize = HUF_readStats(huffWeight, HUF_SYMBOLVALUE_MAX + 1, rankVal, &nbSymbols, &tableLog, src, srcSize);
if (HUF_isError(iSize)) return iSize;
@@ -133,11 +135,18 @@
} }
return iSize;
}
+size_t HUF_readDTableX2(HUF_DTable* DTable, const void* src, size_t srcSize)
+{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_readDTableX2_wksp(DTable, src, srcSize,
+ workSpace, sizeof(workSpace));
+}
+
static BYTE HUF_decodeSymbolX2(BIT_DStream_t* Dstream, const HUF_DEltX2* dt, const U32 dtLog)
{
size_t const val = BIT_lookBitsFast(Dstream, dtLog); /* note : dtLog >= 1 */
BYTE const c = dt[val].byte;
BIT_skipBits(Dstream, dt[val].nbBits);
@@ -153,11 +162,11 @@
#define HUF_DECODE_SYMBOLX2_2(ptr, DStreamPtr) \
if (MEM_64bits()) \
HUF_DECODE_SYMBOLX2_0(ptr, DStreamPtr)
-FORCE_INLINE size_t HUF_decodeStreamX2(BYTE* p, BIT_DStream_t* const bitDPtr, BYTE* const pEnd, const HUF_DEltX2* const dt, const U32 dtLog)
+HINT_INLINE size_t HUF_decodeStreamX2(BYTE* p, BIT_DStream_t* const bitDPtr, BYTE* const pEnd, const HUF_DEltX2* const dt, const U32 dtLog)
{
BYTE* const pStart = p;
/* up to 4 symbols at a time */
while ((BIT_reloadDStream(bitDPtr) == BIT_DStream_unfinished) && (p <= pEnd-4)) {
@@ -210,22 +219,33 @@
DTableDesc dtd = HUF_getDTableDesc(DTable);
if (dtd.tableType != 0) return ERROR(GENERIC);
return HUF_decompress1X2_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);
}
-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)
{
const BYTE* ip = (const BYTE*) cSrc;
- size_t const hSize = HUF_readDTableX2 (DCtx, cSrc, cSrcSize);
+ size_t const hSize = HUF_readDTableX2_wksp(DCtx, cSrc, cSrcSize, workSpace, wkspSize);
if (HUF_isError(hSize)) return hSize;
if (hSize >= cSrcSize) return ERROR(srcSize_wrong);
ip += hSize; cSrcSize -= hSize;
return HUF_decompress1X2_usingDTable_internal (dst, dstSize, ip, cSrcSize, DCtx);
}
+
+size_t HUF_decompress1X2_DCtx(HUF_DTable* DCtx, void* dst, size_t dstSize,
+ const void* cSrc, size_t cSrcSize)
+{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_decompress1X2_DCtx_wksp(DCtx, dst, dstSize, cSrc, cSrcSize,
+ workSpace, sizeof(workSpace));
+}
+
size_t HUF_decompress1X2 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
{
HUF_CREATE_STATIC_DTABLEX2(DTable, HUF_TABLELOG_MAX);
return HUF_decompress1X2_DCtx (DTable, dst, dstSize, cSrc, cSrcSize);
}
@@ -333,22 +353,32 @@
if (dtd.tableType != 0) return ERROR(GENERIC);
return HUF_decompress4X2_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);
}
-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)
{
const BYTE* ip = (const BYTE*) cSrc;
- size_t const hSize = HUF_readDTableX2 (dctx, cSrc, cSrcSize);
+ size_t const hSize = HUF_readDTableX2_wksp (dctx, cSrc, cSrcSize,
+ workSpace, wkspSize);
if (HUF_isError(hSize)) return hSize;
if (hSize >= cSrcSize) return ERROR(srcSize_wrong);
ip += hSize; cSrcSize -= hSize;
return HUF_decompress4X2_usingDTable_internal (dst, dstSize, ip, cSrcSize, dctx);
}
+
+size_t HUF_decompress4X2_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
+{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_decompress4X2_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize,
+ workSpace, sizeof(workSpace));
+}
size_t HUF_decompress4X2 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
{
HUF_CREATE_STATIC_DTABLEX2(DTable, HUF_TABLELOG_MAX);
return HUF_decompress4X2_DCtx(DTable, dst, dstSize, cSrc, cSrcSize);
}
@@ -401,11 +431,12 @@
rankVal[weight] += length;
} }
}
-typedef U32 rankVal_t[HUF_TABLELOG_MAX][HUF_TABLELOG_MAX + 1];
+typedef U32 rankValCol_t[HUF_TABLELOG_MAX + 1];
+typedef rankValCol_t rankVal_t[HUF_TABLELOG_MAX];
static void HUF_fillDTableX4(HUF_DEltX4* DTable, const U32 targetLog,
const sortedSymbol_t* sortedList, const U32 sortedListSize,
const U32* rankStart, rankVal_t rankValOrigin, const U32 maxWeight,
const U32 nbBitsBaseline)
@@ -445,25 +476,48 @@
} }
rankVal[weight] += length;
}
}
-size_t HUF_readDTableX4 (HUF_DTable* DTable, const void* src, size_t srcSize)
+size_t HUF_readDTableX4_wksp(HUF_DTable* DTable, const void* src,
+ size_t srcSize, void* workSpace,
+ size_t wkspSize)
{
- BYTE weightList[HUF_SYMBOLVALUE_MAX + 1];
- sortedSymbol_t sortedSymbol[HUF_SYMBOLVALUE_MAX + 1];
- U32 rankStats[HUF_TABLELOG_MAX + 1] = { 0 };
- U32 rankStart0[HUF_TABLELOG_MAX + 2] = { 0 };
- U32* const rankStart = rankStart0+1;
- rankVal_t rankVal;
U32 tableLog, maxW, sizeOfSort, nbSymbols;
DTableDesc dtd = HUF_getDTableDesc(DTable);
U32 const maxTableLog = dtd.maxTableLog;
size_t iSize;
void* dtPtr = DTable+1; /* force compiler to avoid strict-aliasing */
HUF_DEltX4* const dt = (HUF_DEltX4*)dtPtr;
+ U32 *rankStart;
+ rankValCol_t* rankVal;
+ U32* rankStats;
+ U32* rankStart0;
+ sortedSymbol_t* sortedSymbol;
+ BYTE* weightList;
+ size_t spaceUsed32 = 0;
+
+ rankVal = (rankValCol_t *)((U32 *)workSpace + spaceUsed32);
+ spaceUsed32 += (sizeof(rankValCol_t) * HUF_TABLELOG_MAX) >> 2;
+ rankStats = (U32 *)workSpace + spaceUsed32;
+ spaceUsed32 += HUF_TABLELOG_MAX + 1;
+ rankStart0 = (U32 *)workSpace + spaceUsed32;
+ spaceUsed32 += HUF_TABLELOG_MAX + 2;
+ sortedSymbol = (sortedSymbol_t *)workSpace + (spaceUsed32 * sizeof(U32)) / sizeof(sortedSymbol_t);
+ spaceUsed32 += HUF_ALIGN(sizeof(sortedSymbol_t) * (HUF_SYMBOLVALUE_MAX + 1), sizeof(U32)) >> 2;
+ weightList = (BYTE *)((U32 *)workSpace + spaceUsed32);
+ spaceUsed32 += HUF_ALIGN(HUF_SYMBOLVALUE_MAX + 1, sizeof(U32)) >> 2;
+
+ if ((spaceUsed32 << 2) > wkspSize)
+ return ERROR(tableLog_tooLarge);
+ workSpace = (U32 *)workSpace + spaceUsed32;
+ wkspSize -= (spaceUsed32 << 2);
+
+ rankStart = rankStart0 + 1;
+ memset(rankStats, 0, sizeof(U32) * (2 * HUF_TABLELOG_MAX + 2 + 1));
+
HUF_STATIC_ASSERT(sizeof(HUF_DEltX4) == sizeof(HUF_DTable)); /* if compiler fails here, assertion is wrong */
if (maxTableLog > HUF_TABLELOG_MAX) return ERROR(tableLog_tooLarge);
/* memset(weightList, 0, sizeof(weightList)); */ /* is not necessary, even though some analyzer complain ... */
iSize = HUF_readStats(weightList, HUF_SYMBOLVALUE_MAX + 1, rankStats, &nbSymbols, &tableLog, src, srcSize);
@@ -525,10 +579,16 @@
dtd.tableType = 1;
memcpy(DTable, &dtd, sizeof(dtd));
return iSize;
}
+size_t HUF_readDTableX4(HUF_DTable* DTable, const void* src, size_t srcSize)
+{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_readDTableX4_wksp(DTable, src, srcSize,
+ workSpace, sizeof(workSpace));
+}
static U32 HUF_decodeSymbolX4(void* op, BIT_DStream_t* DStream, const HUF_DEltX4* dt, const U32 dtLog)
{
size_t const val = BIT_lookBitsFast(DStream, dtLog); /* note : dtLog >= 1 */
memcpy(op, dt+val, 2);
@@ -543,11 +603,12 @@
if (dt[val].length==1) BIT_skipBits(DStream, dt[val].nbBits);
else {
if (DStream->bitsConsumed < (sizeof(DStream->bitContainer)*8)) {
BIT_skipBits(DStream, dt[val].nbBits);
if (DStream->bitsConsumed > (sizeof(DStream->bitContainer)*8))
- DStream->bitsConsumed = (sizeof(DStream->bitContainer)*8); /* ugly hack; works only because it's the last symbol. Note : can't easily extract nbBits from just this symbol */
+ /* ugly hack; works only because it's the last symbol. Note : can't easily extract nbBits from just this symbol */
+ DStream->bitsConsumed = (sizeof(DStream->bitContainer)*8);
} }
return 1;
}
@@ -560,11 +621,11 @@
#define HUF_DECODE_SYMBOLX4_2(ptr, DStreamPtr) \
if (MEM_64bits()) \
ptr += HUF_decodeSymbolX4(ptr, DStreamPtr, dt, dtLog)
-FORCE_INLINE size_t HUF_decodeStreamX4(BYTE* p, BIT_DStream_t* bitDPtr, BYTE* const pEnd, const HUF_DEltX4* const dt, const U32 dtLog)
+HINT_INLINE size_t HUF_decodeStreamX4(BYTE* p, BIT_DStream_t* bitDPtr, BYTE* const pEnd, const HUF_DEltX4* const dt, const U32 dtLog)
{
BYTE* const pStart = p;
/* up to 8 symbols at a time */
while ((BIT_reloadDStream(bitDPtr) == BIT_DStream_unfinished) & (p < pEnd-(sizeof(bitDPtr->bitContainer)-1))) {
@@ -624,22 +685,34 @@
DTableDesc dtd = HUF_getDTableDesc(DTable);
if (dtd.tableType != 1) return ERROR(GENERIC);
return HUF_decompress1X4_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);
}
-size_t HUF_decompress1X4_DCtx (HUF_DTable* DCtx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
+size_t HUF_decompress1X4_DCtx_wksp(HUF_DTable* DCtx, void* dst, size_t dstSize,
+ const void* cSrc, size_t cSrcSize,
+ void* workSpace, size_t wkspSize)
{
const BYTE* ip = (const BYTE*) cSrc;
- size_t const hSize = HUF_readDTableX4 (DCtx, cSrc, cSrcSize);
+ size_t const hSize = HUF_readDTableX4_wksp(DCtx, cSrc, cSrcSize,
+ workSpace, wkspSize);
if (HUF_isError(hSize)) return hSize;
if (hSize >= cSrcSize) return ERROR(srcSize_wrong);
ip += hSize; cSrcSize -= hSize;
return HUF_decompress1X4_usingDTable_internal (dst, dstSize, ip, cSrcSize, DCtx);
}
+
+size_t HUF_decompress1X4_DCtx(HUF_DTable* DCtx, void* dst, size_t dstSize,
+ const void* cSrc, size_t cSrcSize)
+{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_decompress1X4_DCtx_wksp(DCtx, dst, dstSize, cSrc, cSrcSize,
+ workSpace, sizeof(workSpace));
+}
+
size_t HUF_decompress1X4 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
{
HUF_CREATE_STATIC_DTABLEX4(DTable, HUF_TABLELOG_MAX);
return HUF_decompress1X4_DCtx(DTable, dst, dstSize, cSrc, cSrcSize);
}
@@ -746,22 +819,34 @@
if (dtd.tableType != 1) return ERROR(GENERIC);
return HUF_decompress4X4_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);
}
-size_t HUF_decompress4X4_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
+size_t HUF_decompress4X4_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize,
+ const void* cSrc, size_t cSrcSize,
+ void* workSpace, size_t wkspSize)
{
const BYTE* ip = (const BYTE*) cSrc;
- size_t hSize = HUF_readDTableX4 (dctx, cSrc, cSrcSize);
+ size_t hSize = HUF_readDTableX4_wksp(dctx, cSrc, cSrcSize,
+ workSpace, wkspSize);
if (HUF_isError(hSize)) return hSize;
if (hSize >= cSrcSize) return ERROR(srcSize_wrong);
ip += hSize; cSrcSize -= hSize;
return HUF_decompress4X4_usingDTable_internal(dst, dstSize, ip, cSrcSize, dctx);
}
+
+size_t HUF_decompress4X4_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize,
+ const void* cSrc, size_t cSrcSize)
+{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_decompress4X4_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize,
+ workSpace, sizeof(workSpace));
+}
+
size_t HUF_decompress4X4 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
{
HUF_CREATE_STATIC_DTABLEX4(DTable, HUF_TABLELOG_MAX);
return HUF_decompress4X4_DCtx(DTable, dst, dstSize, cSrc, cSrcSize);
}
@@ -814,15 +899,15 @@
/** HUF_selectDecoder() :
* Tells which decoder is likely to decode faster,
* based on a set of pre-determined metrics.
* @return : 0==HUF_decompress4X2, 1==HUF_decompress4X4 .
-* Assumption : 0 < cSrcSize < dstSize <= 128 KB */
+* Assumption : 0 < cSrcSize, dstSize <= 128 KB */
U32 HUF_selectDecoder (size_t dstSize, size_t cSrcSize)
{
/* decoder timing evaluation */
- U32 const Q = (U32)(cSrcSize * 16 / dstSize); /* Q < 16 since dstSize > cSrcSize */
+ U32 const Q = cSrcSize >= dstSize ? 15 : (U32)(cSrcSize * 16 / dstSize); /* Q < 16 */
U32 const D256 = (U32)(dstSize >> 8);
U32 const DTime0 = algoTime[Q][0].tableTime + (algoTime[Q][0].decode256Time * D256);
U32 DTime1 = algoTime[Q][1].tableTime + (algoTime[Q][1].decode256Time * D256);
DTime1 += DTime1 >> 3; /* advantage to algorithm using less memory, for cache eviction */
@@ -859,30 +944,53 @@
return algoNb ? HUF_decompress4X4_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) :
HUF_decompress4X2_DCtx(dctx, dst, dstSize, cSrc, 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(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_decompress4X_hufOnly_wksp(dctx, dst, dstSize, cSrc, cSrcSize,
+ workSpace, sizeof(workSpace));
+}
+
+
+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)
+{
/* validation checks */
if (dstSize == 0) return ERROR(dstSize_tooSmall);
- if ((cSrcSize >= dstSize) || (cSrcSize <= 1)) return ERROR(corruption_detected); /* invalid */
+ if (cSrcSize == 0) return ERROR(corruption_detected);
{ U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);
- return algoNb ? HUF_decompress4X4_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) :
- HUF_decompress4X2_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) ;
+ return algoNb ? HUF_decompress4X4_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workSpace, wkspSize):
+ HUF_decompress4X2_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workSpace, wkspSize);
}
}
-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)
{
/* validation checks */
if (dstSize == 0) return ERROR(dstSize_tooSmall);
if (cSrcSize > dstSize) return ERROR(corruption_detected); /* invalid */
if (cSrcSize == dstSize) { memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */
if (cSrcSize == 1) { memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */
{ U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);
- return algoNb ? HUF_decompress1X4_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) :
- HUF_decompress1X2_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) ;
+ return algoNb ? HUF_decompress1X4_DCtx_wksp(dctx, dst, dstSize, cSrc,
+ cSrcSize, workSpace, wkspSize):
+ HUF_decompress1X2_DCtx_wksp(dctx, dst, dstSize, cSrc,
+ cSrcSize, workSpace, wkspSize);
}
+}
+
+size_t HUF_decompress1X_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize,
+ const void* cSrc, size_t cSrcSize)
+{
+ U32 workSpace[HUF_DECOMPRESS_WORKSPACE_SIZE_U32];
+ return HUF_decompress1X_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize,
+ workSpace, sizeof(workSpace));
}