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Add base adjustment correction

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senhuang42 2020-09-27 13:25:27 -04:00
parent 5df9b5e05f
commit f57c7e6bbf
1 changed files with 7 additions and 0 deletions
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7
lib/compress/zstd_ldm.c
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@ -579,8 +579,15 @@ size_t ZSTD_ldm_blockCompress(rawSeqStore_t* rawSeqStore,
if (cParams->strategy >= ZSTD_btopt) { if (cParams->strategy >= ZSTD_btopt) {
size_t lastLLSize; size_t lastLLSize;
ms->ldmSeqStore = *rawSeqStore; /* copy current seqStore */ ms->ldmSeqStore = *rawSeqStore; /* copy current seqStore */
const BYTE* const prevBase = (BYTE const*)ms->window.base;
lastLLSize = blockCompressor(ms, seqStore, rep, src, srcSize); lastLLSize = blockCompressor(ms, seqStore, rep, src, srcSize);
rawSeqStore->pos = ms->ldmSeqStore.pos; rawSeqStore->pos = ms->ldmSeqStore.pos;
ms->ldmSeqStore = *rawSeqStore;
if (prevBase != ms->window.base) {
int baseDiff = (int)(prevBase - ms->window.base);
printf("Bases were different, adjusting, diff = %d\n", baseDiff);
rawSeqStore->seq[rawSeqStore->pos].litLength += baseDiff;
}
return lastLLSize; return lastLLSize;
} }