change surplus for() to while()

git-mirror · Jun 5, 2009 · 81c863c · 81c863c
1 parent 31447c5
commit 81c863c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/core/ngx_string.c b/src/core/ngx_string.c
@@ -30,12 +30,15 @@ ngx_cpystrn(u_char *dst, u_char *src, size_t n)
         return dst;
     }
 
-    for ( /* void */ ; --n; dst++, src++) {
+    while (--n) {
         *dst = *src;
 
         if (*dst == '\0') {
             return dst;
         }
+
+        dst++;
+        src++;
     }
 
     *dst = '\0';