From: Yann Collet <yann.collet.73@gmail.com>
Date: Fri, 20 May 2016 09:44:43 +0000 (+0200)
Subject: minor refactoring
X-Git-Tag: v0.7.0^2~68
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7591a7f224b3eb6e56c350e2632bc9e17a0356f5;p=thirdparty%2Fzstd.git

minor refactoring
---

diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c
index ceaff74e0..f01029cc7 100644
--- a/lib/compress/zstd_compress.c
+++ b/lib/compress/zstd_compress.c
@@ -942,7 +942,7 @@ static size_t ZSTD_count(const BYTE* pIn, const BYTE* pMatch, const BYTE* pInLim
     const BYTE* const pStart = pIn;
 
     while ((pIn<pInLimit-(sizeof(size_t)-1))) {
-        size_t diff = MEM_readST(pMatch) ^ MEM_readST(pIn);
+        size_t const diff = MEM_readST(pMatch) ^ MEM_readST(pIn);
         if (!diff) { pIn+=sizeof(size_t); pMatch+=sizeof(size_t); continue; }
         pIn += ZSTD_NbCommonBytes(diff);
         return (size_t)(pIn - pStart);
@@ -959,10 +959,8 @@ static size_t ZSTD_count(const BYTE* pIn, const BYTE* pMatch, const BYTE* pInLim
 */
 static size_t ZSTD_count_2segments(const BYTE* ip, const BYTE* match, const BYTE* iEnd, const BYTE* mEnd, const BYTE* iStart)
 {
-    size_t matchLength;
-    const BYTE* vEnd = ip + (mEnd - match);
-    if (vEnd > iEnd) vEnd = iEnd;
-    matchLength = ZSTD_count(ip, match, vEnd);
+    const BYTE* const vEnd = MIN( ip + (mEnd - match), iEnd);
+    size_t matchLength = ZSTD_count(ip, match, vEnd);
     if (match + matchLength == mEnd)
         matchLength += ZSTD_count(ip+matchLength, iStart, iEnd);
     return matchLength;