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Merge pull request #587 from lz4/hintbug

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fixed improper hint
This commit is contained in:
Yann Collet 2018-09-28 16:58:01 -07:00 committed by GitHub
commit b18b6e53e1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 3 deletions
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6
lib/lz4frame.c
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@ -1474,7 +1474,7 @@ size_t LZ4F_decompress(LZ4F_dctx* dctx,
} }
dctx->tmpInTarget -= sizeToCopy; /* need to copy more */ dctx->tmpInTarget -= sizeToCopy; /* need to copy more */
nextSrcSizeHint = dctx->tmpInTarget + nextSrcSizeHint = dctx->tmpInTarget +
+ dctx->frameInfo.contentChecksumFlag * 4 /* block checksum */ + dctx->frameInfo.blockChecksumFlag * 4 /* size for block checksum */
+ BHSize /* next header size */; + BHSize /* next header size */;
doAnotherStage = 0; doAnotherStage = 0;
break; break;
@ -1525,7 +1525,9 @@ size_t LZ4F_decompress(LZ4F_dctx* dctx,
dctx->tmpInSize += sizeToCopy; dctx->tmpInSize += sizeToCopy;
srcPtr += sizeToCopy; srcPtr += sizeToCopy;
if (dctx->tmpInSize < dctx->tmpInTarget) { /* need more input */ if (dctx->tmpInSize < dctx->tmpInTarget) { /* need more input */
nextSrcSizeHint = (dctx->tmpInTarget - dctx->tmpInSize) + BHSize; nextSrcSizeHint = (dctx->tmpInTarget - dctx->tmpInSize)
+ dctx->frameInfo.blockChecksumFlag * 4 /* size for block checksum */
+ BHSize /* next header size */;
doAnotherStage = 0; doAnotherStage = 0;
break; break;
} }