minor refactoring

diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c
index ceaff74e09dccab7165ca0567d418f07fa41c660..f01029cc71fbaa9c2fa8ca0d33d3b86c98a6485b 100644 (file)
--- 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;