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updated ZSTD_estimate?DictSize() to pass parameter byReference

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resulting ?Dict object is smaller when created byReference.
Seems better than a documentation note.
This commit is contained in:
Yann Collet
2017-05-25 15:07:37 -07:00
parent 0fdc71c3dc
commit 25989e361c
6 changed files with 53 additions and 18 deletions
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lib/compress/zstd_compress.c
+3 -2
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@@ -3237,10 +3237,11 @@ size_t ZSTD_compress(void* dst, size_t dstCapacity, const void* src, size_t srcS
/*! ZSTD_estimateCDictSize() :
* 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)
size_t ZSTD_estimateCDictSize(ZSTD_compressionParameters cParams, size_t dictSize, unsigned byReference)
{
cParams = ZSTD_adjustCParams(cParams, 0, dictSize);
return sizeof(ZSTD_CDict) + dictSize + ZSTD_estimateCCtxSize(cParams);
return sizeof(ZSTD_CDict) + ZSTD_estimateCCtxSize(cParams)
+ (byReference ? 0 : dictSize);
}
size_t ZSTD_sizeof_CDict(const ZSTD_CDict* cdict)