From: W. Felix Handte <w@felixhandte.com>
Date: Wed, 9 May 2018 22:40:23 +0000 (-0400)
Subject: Switch to Original Match Calc for noDict Repcode Check
X-Git-Tag: v1.3.5~3^2~44^2~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=154eb0941990b97543081b03bf38c469d3a3c172;p=thirdparty%2Fzstd.git

Switch to Original Match Calc for noDict Repcode Check
---

diff --git a/lib/compress/zstd_fast.c b/lib/compress/zstd_fast.c
index f211f1425..48a165d3f 100644
--- a/lib/compress/zstd_fast.c
+++ b/lib/compress/zstd_fast.c
@@ -112,7 +112,7 @@ size_t ZSTD_compressBlock_fast_generic(
             ip++;
             ZSTD_storeSeq(seqStore, ip-anchor, anchor, 0, mLength-MINMATCH);
         } else if ( dictMode == ZSTD_noDict
-                 && (offset_1 > 0) & (MEM_read32(repMatch) == MEM_read32(ip+1))) {
+                 && (offset_1 > 0) & (MEM_read32(ip+1-offset_1) == MEM_read32(ip+1))) {
             mLength = ZSTD_count(ip+1+4, ip+1+4-offset_1, iend) + 4;
             ip++;
             ZSTD_storeSeq(seqStore, ip-anchor, anchor, 0, mLength-MINMATCH);