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changed seqDef.matchLength into seqDef.mlBase

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since this is effectively what is stored in this field (== matchLength - MINMATCH).
This makes it clearer what needs to be done when reading from / writing to this field.
This commit is contained in:
Yann Collet
2021-12-23 13:39:46 -08:00
parent b77fcac61f
commit e145b58cfd
5 changed files with 12 additions and 12 deletions
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lib/compress/zstd_compress.c
+3 -3
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@@ -2396,7 +2396,7 @@ void ZSTD_seqToCodes(const seqStore_t* seqStorePtr)
assert(nbSeq <= seqStorePtr->maxNbSeq);
for (u=0; u<nbSeq; u++) {
U32 const llv = sequences[u].litLength;
U32 const mlv = sequences[u].matchLength;
U32 const mlv = sequences[u].mlBase;
llCodeTable[u] = (BYTE)ZSTD_LLcode(llv);
ofCodeTable[u] = (BYTE)ZSTD_highbit32(sequences[u].offset);
mlCodeTable[u] = (BYTE)ZSTD_MLcode(mlv);
@@ -2912,7 +2912,7 @@ static void ZSTD_copyBlockSequences(ZSTD_CCtx* zc)
for (i = 0; i < seqStoreSeqSize; ++i) {
U32 rawOffset = seqStoreSeqs[i].offset - ZSTD_REP_NUM;
outSeqs[i].litLength = seqStoreSeqs[i].litLength;
outSeqs[i].matchLength = seqStoreSeqs[i].matchLength + MINMATCH;
outSeqs[i].matchLength = seqStoreSeqs[i].mlBase + MINMATCH;
outSeqs[i].rep = 0;
if (i == seqStore->longLengthPos) {
@@ -3385,7 +3385,7 @@ static size_t ZSTD_countSeqStoreMatchBytes(const seqStore_t* const seqStore) {
size_t i;
for (i = 0; i < nbSeqs; ++i) {
seqDef seq = seqStore->sequencesStart[i];
matchBytes += seq.matchLength + MINMATCH;
matchBytes += seq.mlBase + MINMATCH;
if (i == seqStore->longLengthPos && seqStore->longLengthType == ZSTD_llt_matchLength) {
matchBytes += 0x10000;
}