From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 26 May 2012 22:02:45 +0000 (-0400)
Subject: fix failure of mbsinit(0) (not UB; required to return nonzero)
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=6436b371af2b52a7b60a5b4f304d1aca2f9f60b3

fix failure of mbsinit(0) (not UB; required to return nonzero)

issue reported by Richard Pennington; slightly simpler fix applied
---

diff --git a/src/multibyte/mbsinit.c b/src/multibyte/mbsinit.c
index d307e5a7..c0e7e494 100644
--- a/src/multibyte/mbsinit.c
+++ b/src/multibyte/mbsinit.c
@@ -13,5 +13,5 @@
 
 int mbsinit(const mbstate_t *st)
 {
-	return !*(unsigned *)st;
+	return !st || !*(unsigned *)st;
 }