improved ZSTD_compressBlock_opt_extDict_generic

This commit is contained in:
Przemyslaw Skibinski 2017-01-24 13:18:50 +01:00 committed by Nick Terrell
parent c8a27d9303
commit 29157320fb
2 changed files with 3 additions and 3 deletions

View File

@ -825,7 +825,7 @@ void ZSTD_compressBlock_opt_extDict_generic(ZSTD_CCtx* ctx,
match_num = ZSTD_BtGetAllMatches_selectMLS_extDict(ctx, inr, iend, maxSearches, mls, matches, minMatch);
if (match_num > 0 && matches[match_num-1].len > sufficient_len) {
if (match_num > 0 && (matches[match_num-1].len > sufficient_len || cur + matches[match_num-1].len >= ZSTD_OPT_NUM)) {
best_mlen = matches[match_num-1].len;
best_off = matches[match_num-1].off;
last_pos = cur + 1;
@ -835,7 +835,7 @@ void ZSTD_compressBlock_opt_extDict_generic(ZSTD_CCtx* ctx,
/* set prices using matches at position = cur */
for (u = 0; u < match_num; u++) {
mlen = (u>0) ? matches[u-1].len+1 : best_mlen;
best_mlen = (cur + matches[u].len < ZSTD_OPT_NUM) ? matches[u].len : ZSTD_OPT_NUM - cur;
best_mlen = matches[u].len;
while (mlen <= best_mlen) {
if (opt[cur].mlen == 1) {

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@ -22,4 +22,4 @@ zwrapbench
*.txt
# Directories
minizip/
minizip/