From: Yann Collet <yann.collet.73@gmail.com>
Date: Tue, 17 Nov 2015 11:23:53 +0000 (+0100)
Subject: fixed repcode bug
X-Git-Tag: zstd-0.4.0^2~23^2~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=786eb7d42e97478b3ab82d8e7384fd52a870104f;p=thirdparty%2Fzstd.git

fixed repcode bug
---

diff --git a/lib/zstd_compress.c b/lib/zstd_compress.c
index a128ed8cc..95a6e774a 100644
--- a/lib/zstd_compress.c
+++ b/lib/zstd_compress.c
@@ -863,7 +863,7 @@ size_t ZSTD_compressBlock_fast_extDict_generic(ZSTD_CCtx* ctx,
 
         {
             size_t litLength = ip-anchor;
-            size_t maxLength = MIN((size_t)(iend-ip-MINMATCH), (size_t)(dictLimit - matchIndex));   /* works even if matchIndex > dictLimit */
+            size_t maxLength = matchIndex < dictLimit ?  MIN((size_t)(iend-ip-MINMATCH), (size_t)(dictLimit - matchIndex))  :  (size_t)(iend-ip-MINMATCH);
             const BYTE* const iEndCount = ip + maxLength;
             size_t matchLength = ZSTD_count(ip+MINMATCH, match+MINMATCH, iEndCount);
             size_t offsetCode = current-matchIndex;