Compress-Stream-Zstd
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ext/zstd/lib/compress/zstd_compress.c view on Meta::CPAN
/* Move the endPosInSequence backward so that it creates match of minMatch length */
endPosInSequence -= cctx->appliedParams.cParams.minMatch - secondHalfMatchLength;
bytesAdjustment = cctx->appliedParams.cParams.minMatch - secondHalfMatchLength;
firstHalfMatchLength -= bytesAdjustment;
}
matchLength = firstHalfMatchLength;
/* Flag that we split the last match - after storing the sequence, exit the loop,
but keep the value of endPosInSequence */
finalMatchSplit = 1;
} else {
/* Move the position in sequence backwards so that we don't split match, and break to store
* the last literals. We use the original currSeq.litLength as a marker for where endPosInSequence
* should go. We prefer to do this whenever it is not necessary to split the match, or if doing so
* would cause the first half of the match to be too small
*/
bytesAdjustment = endPosInSequence - currSeq.litLength;
endPosInSequence = currSeq.litLength;
break;
}
} else {
/* This sequence ends inside the literals, break to store the last literals */
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