From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 26 May 2012 22:04:17 +0000 (-0400)
Subject: fix overrun (n essentially ignored) in wcsncmp
X-Git-Tag: v0.9.1~19
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=054ba185999d29f6ae9a8e19549da95f783655b6;p=oweals%2Fmusl.git

fix overrun (n essentially ignored) in wcsncmp

bug report and solution by Richard Pennington
---

diff --git a/src/string/wcsncmp.c b/src/string/wcsncmp.c
index 1b159f41..4ab32a92 100644
--- a/src/string/wcsncmp.c
+++ b/src/string/wcsncmp.c
@@ -2,6 +2,6 @@
 
 int wcsncmp(const wchar_t *l, const wchar_t *r, size_t n)
 {
-	for (; n && *l==*r && *l && *r; l++, r++);
+	for (; n && *l==*r && *l && *r; n--, l++, r++);
 	return n ? *l - *r : 0;
 }