AuroraMiddleware/zstd
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Fixed issue #34 and #31

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This commit is contained in:
Yann Collet 2015-07-06 23:45:35 -08:00
parent effbd9811b
commit ee28a0def4
1 changed files with 3 additions and 3 deletions
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6
lib/zstd.c
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@ -737,7 +737,7 @@ static size_t ZSTD_compressSequences(BYTE* dst, size_t maxDstSize,
/* Encoding table of Literal Lengths */
max = MaxLL;
mostFrequent = FSE_countFast(count, &max, seqStorePtr->litLengthStart, nbSeq);
if (mostFrequent == nbSeq)
if ((mostFrequent == nbSeq) && (nbSeq > 2))
{
*op++ = *(seqStorePtr->litLengthStart);
FSE_buildCTable_rle(CTable_LitLength, (BYTE)max);
@ -771,7 +771,7 @@ static size_t ZSTD_compressSequences(BYTE* dst, size_t maxDstSize,
offsetBitsPtr += nbSeq;
mostFrequent = FSE_countFast(count, &max, offsetBits_start, nbSeq);
}
if (mostFrequent == nbSeq)
if ((mostFrequent == nbSeq) && (nbSeq > 2))
{
*op++ = *offsetBits_start;
FSE_buildCTable_rle(CTable_OffsetBits, (BYTE)max);
@ -794,7 +794,7 @@ static size_t ZSTD_compressSequences(BYTE* dst, size_t maxDstSize,
/* Encoding Table of MatchLengths */
max = MaxML;
mostFrequent = FSE_countFast(count, &max, seqStorePtr->matchLengthStart, nbSeq);
if (mostFrequent == nbSeq)
if ((mostFrequent == nbSeq) && (nbSeq > 2))
{
*op++ = *seqStorePtr->matchLengthStart;
FSE_buildCTable_rle(CTable_MatchLength, (BYTE)max);