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fixed strategy btlazy2

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This commit is contained in:
Yann Collet 2019-08-02 14:26:26 +02:00
parent 5cf1b24aca
commit b4257b04e7
1 changed files with 4 additions and 2 deletions
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6
lib/compress/zstd_lazy.c
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@ -243,8 +243,10 @@ ZSTD_DUBT_findBestMatch(ZSTD_matchState_t* ms,
const BYTE* const base = ms->window.base;
U32 const current = (U32)(ip-base);
U32 const maxDistance = 1U << cParams->windowLog;
U32 const windowValid = ms->window.lowLimit;
U32 const windowLow = (current - windowValid > maxDistance) ? current - maxDistance : windowValid;
U32 const lowestValid = ms->window.lowLimit;
U32 const withinWindow = (current - lowestValid > maxDistance) ? current - maxDistance : lowestValid;
U32 const isDictionary = (ms->loadedDictEnd != 0);
U32 const windowLow = isDictionary ? lowestValid : withinWindow;
U32* const bt = ms->chainTable;
U32 const btLog = cParams->chainLog - 1;