fix broken wmemchr (unbounded search)

diff --git a/src/string/wmemchr.c b/src/string/wmemchr.c
index a3ee0e61810df54972d738ab7f70e3f6e46f4df5..37d69629eea37843c8c0e6c54d78f8b5ec669b10 100644 (file)
--- a/src/string/wmemchr.c
+++ b/src/string/wmemchr.c
@@ -3,6 +3,6 @@
 
 wchar_t *wmemchr(const wchar_t *s, wchar_t c, size_t n)
 {
-       for (; n && *s != c; s++);
+       for (; n && *s != c; n--, s++);
        return n ? (wchar_t *)s : 0;
 }