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Fix incorrect repcode setting

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This commit is contained in:
senhuang42
2020-11-12 11:57:01 -05:00
parent 1a8af0de73
commit 396275068c
1 changed files with 1 additions and 4 deletions
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lib/compress/zstd_compress.c
+1 -4
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@@ -2522,6 +2522,7 @@ static void ZSTD_copyBlockSequences(ZSTD_CCtx* zc)
/* Derive the correct offset from the repcode in seqStore_t */ /* Derive the correct offset from the repcode in seqStore_t */
if (seqStoreSeqs[i].offset <= ZSTD_REP_NUM) { if (seqStoreSeqs[i].offset <= ZSTD_REP_NUM) {
outSeqs[i].rep = seqStoreSeqs[i].offset;
if (seqStoreSeqs[i].litLength != 0) { if (seqStoreSeqs[i].litLength != 0) {
if (seqStoreSeqs[i].offset == 1) { if (seqStoreSeqs[i].offset == 1) {
shouldUpdateRep = 0; shouldUpdateRep = 0;
@@ -2537,12 +2538,10 @@ static void ZSTD_copyBlockSequences(ZSTD_CCtx* zc)
} else if (seqStoreSeqs[i].offset == 3) { } else if (seqStoreSeqs[i].offset == 3) {
rawOffset = rep[2]; rawOffset = rep[2];
} }
outSeqs[i].rep = seqStoreSeqs[i].offset;
} else { } else {
/* Litlength == 0 is a special case for repcode handling */ /* Litlength == 0 is a special case for repcode handling */
if (seqStoreSeqs[i].offset == 1) { if (seqStoreSeqs[i].offset == 1) {
U32 tmp; U32 tmp;
outSeqs[i].rep = 1;
rawOffset = rep[1]; rawOffset = rep[1];
/* Swap ranks of rep[0] and rep[1] */ /* Swap ranks of rep[0] and rep[1] */
tmp = rep[0]; tmp = rep[0];
@@ -2550,10 +2549,8 @@ static void ZSTD_copyBlockSequences(ZSTD_CCtx* zc)
rep[1] = tmp; rep[1] = tmp;
shouldUpdateRep = 0; shouldUpdateRep = 0;
} else if (seqStoreSeqs[i].offset == 2) { } else if (seqStoreSeqs[i].offset == 2) {
outSeqs[i].rep = 2;
rawOffset = rep[2]; rawOffset = rep[2];
} else if (seqStoreSeqs[i].offset == 3) { } else if (seqStoreSeqs[i].offset == 3) {
outSeqs[i].rep = 1;
rawOffset = rep[0] - 1; rawOffset = rep[0] - 1;
} }
} }