ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[lib] Fix repcode validation in no dict mode

Browse Source
This commit is contained in:
Nick Terrell
2020-05-12 11:57:15 -07:00
parent 6d687a8816
commit 4e0515916d
5 changed files with 32 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/compress/zstd_lazy.c
+5 -1
View File
@@ -662,10 +662,14 @@ ZSTD_compressBlock_lazy_generic(
0;
const U32 dictAndPrefixLength = (U32)((ip - prefixLowest) + (dictEnd - dictLowest));
DEBUGLOG(5, "ZSTD_compressBlock_lazy_generic (dictMode=%u)", (U32)dictMode);
/* init */
ip += (dictAndPrefixLength == 0);
if (dictMode == ZSTD_noDict) {
U32 const maxRep = (U32)(ip - prefixLowest);
U32 const current = (U32)(ip - base);
U32 const windowLow = ZSTD_getLowestPrefixIndex(ms, current, ms->cParams.windowLog);
U32 const maxRep = current - windowLow;
if (offset_2 > maxRep) savedOffset = offset_2, offset_2 = 0;
if (offset_1 > maxRep) savedOffset = offset_1, offset_1 = 0;
}