AuroraMiddleware/zstd
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[minor improvement] Pass 0 as the content size in the DDS

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The DDS structure can't be copied into the working tables like the DMS.
So it doesn't need to account for the source size when sizing its
parameters, just the dictionary size.
This commit is contained in:
Nick Terrell 2020-10-05 15:38:10 -07:00
parent 48ef15fb47
commit fadaab8c7c
1 changed files with 3 additions and 4 deletions
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7
lib/compress/zstd_compress.c
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@ -878,7 +878,6 @@ ZSTDLIB_API size_t ZSTD_CCtx_setPledgedSrcSize(ZSTD_CCtx* cctx, unsigned long lo
static ZSTD_compressionParameters ZSTD_dedicatedDictSearch_getCParams(
int const compressionLevel,
unsigned long long srcSizeHint,
size_t const dictSize);
static int ZSTD_dedicatedDictSearch_isSupported(
const ZSTD_compressionParameters* cParams);
@ -3559,7 +3558,7 @@ ZSTDLIB_API ZSTD_CDict* ZSTD_createCDict_advanced2(
if (cctxParams.enableDedicatedDictSearch) {
cParams = ZSTD_dedicatedDictSearch_getCParams(
cctxParams.compressionLevel, ZSTD_CONTENTSIZE_UNKNOWN, dictSize);
cctxParams.compressionLevel, dictSize);
ZSTD_overrideCParams(&cParams, &cctxParams.cParams);
} else {
cParams = ZSTD_getCParamsFromCCtxParams(
@ -4362,9 +4361,9 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV
},
};
static ZSTD_compressionParameters ZSTD_dedicatedDictSearch_getCParams(int const compressionLevel, unsigned long long srcSizeHint, size_t const dictSize)
static ZSTD_compressionParameters ZSTD_dedicatedDictSearch_getCParams(int const compressionLevel, size_t const dictSize)
{
ZSTD_compressionParameters cParams = ZSTD_getCParams_internal(compressionLevel, srcSizeHint, dictSize);
ZSTD_compressionParameters cParams = ZSTD_getCParams_internal(compressionLevel, 0, dictSize);
switch (cParams.strategy) {
case ZSTD_fast:
case ZSTD_dfast: