From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 29 Jun 2013 20:16:47 +0000 (-0400)
Subject: fix failure of mbsrtowcs to record stop position when dest is full
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=4ca442157e381690202c3bcc102627d137fd0466

fix failure of mbsrtowcs to record stop position when dest is full
---

diff --git a/src/multibyte/mbsrtowcs.c b/src/multibyte/mbsrtowcs.c
index 75a493c4..b9bbc33d 100644
--- a/src/multibyte/mbsrtowcs.c
+++ b/src/multibyte/mbsrtowcs.c
@@ -54,7 +54,10 @@ resume0:
 		wn--;
 		c = 0;
 	} else for (;;) {
-		if (!wn) return wn0;
+		if (!wn) {
+			*src = (const void *)s;
+			return wn0;
+		}
 		if (*s-1u < 0x7f && (uintptr_t)s%4 == 0) {
 			while (wn>=4 && !(( *(uint32_t*)s | *(uint32_t*)s-0x01010101) & 0x80808080)) {
 				*ws++ = *s++;