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Properly Initialize Repcode Values

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This commit is contained in:
W. Felix Handte 2018-05-09 15:23:22 -04:00
parent 7097a03749
commit 8b241da4df
1 changed files with 5 additions and 3 deletions
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8
lib/compress/zstd_double_fast.c
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@ -89,11 +89,13 @@ size_t ZSTD_compressBlock_doubleFast_generic(
lowestDictIndex + dictIndexDelta :
localLowestIndex;
(void)dictMode;
assert(dictMode == ZSTD_noDict || dictMode == ZSTD_dictMatchState);
/* init */
ip += (ip==localLowest);
{ U32 const maxRep = (U32)(ip-localLowest);
ip += (dictMode == ZSTD_noDict && ip == localLowest);
{ U32 const maxRep = dictMode == ZSTD_dictMatchState ?
(U32)(ip - dictLowest) :
(U32)(ip - localLowest);
if (offset_2 > maxRep) offsetSaved = offset_2, offset_2 = 0;
if (offset_1 > maxRep) offsetSaved = offset_1, offset_1 = 0;
}