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Fix ZSTD_dedicatedDictSearch_isSupported() requirements

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This commit is contained in:
Sen Huang 2021-03-16 17:36:05 -07:00
parent 413b3198b0
commit 77ae664ba6
2 changed files with 6 additions and 1 deletions
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5
lib/compress/zstd_compress.c
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@ -5186,7 +5186,10 @@ static ZSTD_compressionParameters ZSTD_dedicatedDictSearch_getCParams(int const
static int ZSTD_dedicatedDictSearch_isSupported(
ZSTD_compressionParameters const* cParams)
{
return (cParams->strategy >= ZSTD_greedy) && (cParams->strategy <= ZSTD_lazy2);
return (cParams->strategy >= ZSTD_greedy)
&& (cParams->strategy <= ZSTD_lazy2)
&& (cParams->hashLog >= cParams->chainLog)
&& (cParams->chainLog <= 24);
}
/**

2
tests/playTests.sh
View File

@ -805,6 +805,8 @@ println "- Dictionary compression roundtrip"
zstd -f tmp -D tmpDict
zstd -d tmp.zst -D tmpDict -fo result
$DIFF "$TESTFILE" result
println "- Dictionary compression with hlog < clog"
zstd -6f tmp -D tmpDict --zstd=clog=25,hlog=23
println "- Dictionary compression with btlazy2 strategy"
zstd -f tmp -D tmpDict --zstd=strategy=6
zstd -d tmp.zst -D tmpDict -fo result