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Add internal createCDict function

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This commit is contained in:
Stella Lau 2017-08-18 22:48:31 -07:00
parent d775519296
commit 6cee6e07e5
1 changed files with 43 additions and 0 deletions
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43
lib/compress/zstd_compress.c
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@ -3731,6 +3731,7 @@ static size_t ZSTD_initCDict_internal_opaque(ZSTD_CDict* cdict,
return 0;
}
#if 0
static size_t ZSTD_initCDict_internal(
ZSTD_CDict* cdict,
const void* dictBuffer, size_t dictSize,
@ -3748,11 +3749,52 @@ static size_t ZSTD_initCDict_internal(
cdict, dictBuffer, dictSize, cctxParams) );
return 0;
}
#endif
ZSTD_CDict* ZSTD_createCDict_advanced_opaque(
const void* dictBuffer, size_t dictSize,
ZSTD_CCtx_params params, ZSTD_customMem customMem)
{
DEBUGLOG(5, "ZSTD_createCDict_advanced, mode %u", (U32)dictMode);
if (!customMem.customAlloc ^ !customMem.customFree) return NULL;
{ ZSTD_CDict* const cdict = (ZSTD_CDict*)ZSTD_malloc(sizeof(ZSTD_CDict), customMem);
ZSTD_CCtx* const cctx = ZSTD_createCCtx_advanced(customMem);
/* Initialize to 0 to preserve semantics */
ZSTD_frameParameters const fParams = { 0, 0, 0 };
params.fParams = fParams;
if (!cdict || !cctx) {
ZSTD_free(cdict, customMem);
ZSTD_freeCCtx(cctx);
return NULL;
}
cdict->refContext = cctx;
if (ZSTD_isError( ZSTD_initCDict_internal_opaque(
cdict,
dictBuffer, dictSize,
params) )) {
ZSTD_freeCDict(cdict);
return NULL;
}
return cdict;
}
}
ZSTD_CDict* ZSTD_createCDict_advanced(const void* dictBuffer, size_t dictSize,
unsigned byReference, ZSTD_dictMode_e dictMode,
ZSTD_compressionParameters cParams, ZSTD_customMem customMem)
{
ZSTD_CCtx_params cctxParams = ZSTD_makeCCtxParamsFromCParams(cParams);
ZSTD_frameParameters const fParams = { 0, 0, 0 };
cctxParams.fParams = fParams;
cctxParams.dictMode = dictMode;
cctxParams.dictContentByRef = byReference;
return ZSTD_createCDict_advanced_opaque(dictBuffer, dictSize, cctxParams, customMem);
#if 0
DEBUGLOG(5, "ZSTD_createCDict_advanced, mode %u", (U32)dictMode);
if (!customMem.customAlloc ^ !customMem.customFree) return NULL;
@ -3776,6 +3818,7 @@ ZSTD_CDict* ZSTD_createCDict_advanced(const void* dictBuffer, size_t dictSize,
return cdict;
}
#endif
}
ZSTD_CDict* ZSTD_createCDict(const void* dict, size_t dictSize, int compressionLevel)