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Preallocate workSpace for cctx and combine create and init for cstream

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This commit is contained in:
Nick Terrell
2017-04-03 15:23:09 -07:00
parent 21b6c53b9f
commit 59aadc85dc
5 changed files with 53 additions and 43 deletions
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10
contrib/linux-kernel/include/zstd.h
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@@ -256,9 +256,8 @@ size_t ZSTD_DStreamWorkspaceBound(size_t maxWindowSize);
typedef struct ZSTD_CStream_s ZSTD_CStream;
/*===== ZSTD_CStream management functions =====*/
ZSTDLIB_API ZSTD_CStream* ZSTD_createCStream(void* workspace, size_t workspaceSize);
ZSTDLIB_API size_t ZSTD_initCStream(ZSTD_CStream* zcs, ZSTD_parameters params, unsigned long long pledgedSrcSize);
ZSTDLIB_API size_t ZSTD_initCStream_usingCDict(ZSTD_CStream* zcs, ZSTD_parameters params, const ZSTD_CDict* cdict, unsigned long long pledgedSrcSize);
ZSTDLIB_API ZSTD_CStream* ZSTD_createCStream(ZSTD_parameters params, unsigned long long pledgedSrcSize, void* workspace, size_t workspaceSize);
ZSTDLIB_API ZSTD_CStream* ZSTD_createCStream_usingCDict(ZSTD_parameters params, const ZSTD_CDict* cdict, unsigned long long pledgedSrcSize, void* workspace, size_t workspaceSize);
/*===== Streaming compression functions =====*/
ZSTDLIB_API size_t ZSTD_resetCStream(ZSTD_CStream* zcs, unsigned long long pledgedSrcSize); /**< re-use compression parameters from previous init; skip dictionary loading stage; zcs must be init at least once before. note: pledgedSrcSize must be correct, a size of 0 means unknown. for a frame size of 0 use initCStream_advanced */
@@ -295,9 +294,8 @@ ZSTDLIB_API size_t ZSTD_CStreamOutSize(void); /**< recommended size for output
typedef struct ZSTD_DStream_s ZSTD_DStream;
/*===== ZSTD_DStream management functions =====*/
ZSTDLIB_API ZSTD_DStream* ZSTD_createDStream(void* workspace, size_t workspaceSize);
ZSTDLIB_API size_t ZSTD_initDStream(ZSTD_DStream* zds, size_t maxWindowSize);
ZSTDLIB_API size_t ZSTD_initDStream_usingDDict(ZSTD_DStream* zds, size_t maxWindowSize, const ZSTD_DDict* ddict);
ZSTDLIB_API ZSTD_DStream* ZSTD_createDStream(size_t maxWindowSize, void* workspace, size_t workspaceSize);
ZSTDLIB_API ZSTD_DStream* ZSTD_createDStream_usingDDict(size_t maxWindowSize, const ZSTD_DDict* ddict, void* workspace, size_t workspaceSize);
/*===== Streaming decompression functions =====*/
ZSTDLIB_API size_t ZSTD_resetDStream(ZSTD_DStream* zds); /**< re-use decompression parameters from previous init; saves dictionary loading */