From: inikep <inikep@gmail.com>
Date: Tue, 8 Mar 2016 10:03:55 +0000 (+0100)
Subject: fixed update of hashTable for matches with length of 4+
X-Git-Tag: v0.6.0^2~17^2~78^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F141%2Fhead;p=thirdparty%2Fzstd.git

fixed update of hashTable for matches with length of 4+
---

diff --git a/lib/zstd_opt.h b/lib/zstd_opt.h
index 68a3c315a..961964bd2 100644
--- a/lib/zstd_opt.h
+++ b/lib/zstd_opt.h
@@ -227,7 +227,6 @@ static U32 ZSTD_insertBtAndGetAllMatches (
 
     const U32 minMatch = (mls == 3) ? 3 : 4;
     size_t bestLength = minMatch-1;
-    hashTable[h] = current;   /* Update Hash Table */
 
     if (minMatch == 3) { /* HC3 match finder */
         U32 matchIndex3 = ZSTD_insertAndFindFirstIndexHash3 (zc, ip);
@@ -256,6 +255,8 @@ static U32 ZSTD_insertBtAndGetAllMatches (
         }
     }
 
+    hashTable[h] = current;   /* Update Hash Table */
+
     while (nbCompares-- && (matchIndex > windowLow)) {
         U32* nextPtr = bt + 2*(matchIndex & btMask);
         size_t matchLength = MIN(commonLengthSmaller, commonLengthLarger);   /* guaranteed minimum nb of common bytes */