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fixed #718, reported by @GregSlazinski, solution suggested by @mcmilk

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This commit is contained in:
Yann Collet 2017-07-06 01:42:46 -07:00
parent d75c0e71c4
commit f04deff4fc
2 changed files with 13 additions and 8 deletions
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12
lib/common/zstd_internal.h
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@ -331,4 +331,16 @@ size_t ZSTD_compressStream_generic(ZSTD_CStream* zcs,
ZSTD_parameters ZSTD_getParamsFromCDict(const ZSTD_CDict* cdict);
typedef struct {
blockType_e blockType;
U32 lastBlock;
U32 origSize;
} blockProperties_t;
/*! ZSTD_getcBlockSize() :
* Provides the size of compressed block from block header `src` */
size_t ZSTD_getcBlockSize(const void* src, size_t srcSize,
blockProperties_t* bpPtr);
#endif /* ZSTD_CCOMMON_H_MODULE */

9
lib/decompress/zstd_decompress.c
View File

@ -53,7 +53,7 @@
# include "zstd_legacy.h"
#endif
#if defined(_MSC_VER) && !defined(_M_IA64) /* _mm_prefetch() is not defined for ia64 */
#if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_I86)) /* _mm_prefetch() is not defined outside of x86/x64 */
# include <mmintrin.h> /* https://msdn.microsoft.com/fr-fr/library/84szxsww(v=vs.90).aspx */
# define ZSTD_PREFETCH(ptr) _mm_prefetch((const char*)ptr, _MM_HINT_T0)
#elif defined(__GNUC__)
@ -466,13 +466,6 @@ static size_t ZSTD_decodeFrameHeader(ZSTD_DCtx* dctx, const void* src, size_t he
}
typedef struct
{
blockType_e blockType;
U32 lastBlock;
U32 origSize;
} blockProperties_t;
/*! ZSTD_getcBlockSize() :
* Provides the size of compressed block from block header `src` */
size_t ZSTD_getcBlockSize(const void* src, size_t srcSize,