From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 23 May 2011 01:54:42 +0000 (-0400)
Subject: fix wcsncpy writing past end of buffer
X-Git-Tag: v0.7.11~87
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e98136207ad1a6df1cdc1578e4ad56f8f0db4047;p=musl

fix wcsncpy writing past end of buffer
---

diff --git a/src/string/wcsncpy.c b/src/string/wcsncpy.c
index 0164208d..9f68a004 100644
--- a/src/string/wcsncpy.c
+++ b/src/string/wcsncpy.c
@@ -3,7 +3,7 @@
 wchar_t *wcsncpy(wchar_t *d, const wchar_t *s, size_t n)
 {
 	wchar_t *a = d;
-	while (n && (*d++ = *s++)) n--;
+	for (; n && (*d = *s); n--, d++, s++);
 	wmemset(d, 0, n);
 	return a;
 }