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Advanced API change : Cctx & DCtx are now incomplete types for stricter type checking

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This commit is contained in:
Yann Collet
2015-07-04 18:20:42 -08:00
parent 14c6d0db9f
commit 7393c5a51d
3 changed files with 31 additions and 29 deletions
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lib/zstd_static.h
+12 -11
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@@ -45,20 +45,21 @@ extern "C" {
/**************************************
* Streaming functions
**************************************/
typedef void* ZSTD_cctx_t;
ZSTD_cctx_t ZSTD_createCCtx(void);
size_t ZSTD_freeCCtx(ZSTD_cctx_t cctx);
typedef struct ZSTD_Cctx_s ZSTD_Cctx;
ZSTD_Cctx* ZSTD_createCCtx(void);
size_t ZSTD_freeCCtx(ZSTD_Cctx* cctx);
size_t ZSTD_compressBegin(ZSTD_cctx_t cctx, void* dst, size_t maxDstSize);
size_t ZSTD_compressContinue(ZSTD_cctx_t cctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize);
size_t ZSTD_compressEnd(ZSTD_cctx_t cctx, void* dst, size_t maxDstSize);
size_t ZSTD_compressBegin(ZSTD_Cctx* cctx, void* dst, size_t maxDstSize);
size_t ZSTD_compressContinue(ZSTD_Cctx* cctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize);
size_t ZSTD_compressEnd(ZSTD_Cctx* cctx, void* dst, size_t maxDstSize);
typedef void* ZSTD_dctx_t;
ZSTD_dctx_t ZSTD_createDCtx(void);
size_t ZSTD_freeDCtx(ZSTD_dctx_t dctx);
size_t ZSTD_nextSrcSizeToDecompress(ZSTD_dctx_t dctx);
size_t ZSTD_decompressContinue(ZSTD_dctx_t dctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize);
typedef struct ZSTD_Dctx_s ZSTD_Dctx;
ZSTD_Dctx* ZSTD_createDCtx(void);
size_t ZSTD_freeDCtx(ZSTD_Dctx* dctx);
size_t ZSTD_nextSrcSizeToDecompress(ZSTD_Dctx* dctx);
size_t ZSTD_decompressContinue(ZSTD_Dctx* dctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize);
/*
Use above functions alternatively.
ZSTD_nextSrcSizeToDecompress() tells how much bytes to provide as input to ZSTD_decompressContinue().