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ZSTD_estimateCDictSize_advanced()

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ZSTD_estimateCDictSize() now uses same arguments as ZSTD_createCDict()
ZSTD_estimateCDictSize_advanced() uses same arguments as ZSTD_createCDict_advanced()
This commit is contained in:
Yann Collet
2017-06-26 16:47:32 -07:00
parent 0c9a915a28
commit 09ae03a570
5 changed files with 20 additions and 8 deletions
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lib/compress/zstd_compress.c
+8 -2
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@@ -3361,9 +3361,9 @@ size_t ZSTD_compress(void* dst, size_t dstCapacity, const void* src, size_t srcS
/* ===== Dictionary API ===== */
/*! ZSTD_estimateCDictSize() :
/*! ZSTD_estimateCDictSize_advanced() :
* Estimate amount of memory that will be needed to create a dictionary with following arguments */
size_t ZSTD_estimateCDictSize(ZSTD_compressionParameters cParams, size_t dictSize, unsigned byReference)
size_t ZSTD_estimateCDictSize_advanced(size_t dictSize, ZSTD_compressionParameters cParams, unsigned byReference)
{
DEBUGLOG(5, "sizeof(ZSTD_CDict) : %u", (U32)sizeof(ZSTD_CDict));
DEBUGLOG(5, "CCtx estimate : %u", (U32)ZSTD_estimateCCtxSize_advanced(cParams));
@@ -3371,6 +3371,12 @@ size_t ZSTD_estimateCDictSize(ZSTD_compressionParameters cParams, size_t dictSiz
+ (byReference ? 0 : dictSize);
}
size_t ZSTD_estimateCDictSize(size_t dictSize, int compressionLevel)
{
ZSTD_compressionParameters const cParams = ZSTD_getCParams(compressionLevel, 0, dictSize);
return ZSTD_estimateCDictSize_advanced(dictSize, cParams, 0);
}
size_t ZSTD_sizeof_CDict(const ZSTD_CDict* cdict)
{
if (cdict==NULL) return 0; /* support sizeof on NULL */