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fixed msan test

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a pointer calculation was wrong in a corner case
This commit is contained in:
Yann Collet 2018-01-06 20:50:36 +01:00
parent 658d6b8588
commit b17fb488b0
1 changed files with 1 additions and 1 deletions
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lib/compress/zstd_lazy.c
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@ -122,7 +122,7 @@ static void ZSTD_insertDUBT1(ZSTD_CCtx* zc,
if ( (!extDict) if ( (!extDict)
|| (matchIndex+matchLength >= dictLimit) /* both in current segment*/ || (matchIndex+matchLength >= dictLimit) /* both in current segment*/
|| (current < dictLimit) /* both in extDict */) { || (current < dictLimit) /* both in extDict */) {
const BYTE* const mBase = !extDict || (matchIndex >= dictLimit) ? base : dictBase; const BYTE* const mBase = !extDict || ((matchIndex+matchLength) >= dictLimit) ? base : dictBase;
assert( (matchIndex+matchLength >= dictLimit) /* might be wrong if extDict is incorrectly set to 0 */ assert( (matchIndex+matchLength >= dictLimit) /* might be wrong if extDict is incorrectly set to 0 */
|| (current < dictLimit) ); || (current < dictLimit) );
match = mBase + matchIndex; match = mBase + matchIndex;