Avoid integer overflows with very long strings

2013-10-15 08:44:04 +03:00
parent 8dc3233f3b
commit d544852ff6
2 changed files with 8 additions and 1 deletions
--- a/src/utf.c
+++ b/src/utf.c
@@ -173,7 +173,7 @@ int utf8_check_string(const char *string, size_t length)
            return 0;
        else if(count > 1)
        {
-            if(i + count > length)
+            if(count > length - i)
                return 0;

            if(!utf8_check_full(&string[i], count, NULL))