From aa64fa16549f13233681f4b40e50fb5b1c18a97c Mon Sep 17 00:00:00 2001
From: Garrett D'Amore <garrett@damore.org>
Date: Fri, 19 Dec 2014 16:40:26 +0300
Subject: [PATCH] 5158 sed dumps core in new multibyte code Reviewed by: Toomas
 Soome <tsoome@me.com> Reviewed by: Robert Mustacchi <rm@joyent.com> Approved
 by: Richard Lowe <richlowe@richlowe.net>

---
 usr/src/lib/libc/port/locale/mbsrtowcs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/usr/src/lib/libc/port/locale/mbsrtowcs.c b/usr/src/lib/libc/port/locale/mbsrtowcs.c
index 1f219e308e..28c5e3a117 100644
--- a/usr/src/lib/libc/port/locale/mbsrtowcs.c
+++ b/usr/src/lib/libc/port/locale/mbsrtowcs.c
@@ -39,6 +39,11 @@ size_t
 mbsrtowcs_l(wchar_t *_RESTRICT_KYWD dst, const char **_RESTRICT_KYWD src,
     size_t len, mbstate_t *_RESTRICT_KYWD ps, locale_t loc)
 {
+	static mbstate_t mbs;
+
+	if (ps == NULL)
+		ps = &mbs;
+
 	return (loc->ctype->lc_mbsnrtowcs(dst, src, ULONG_MAX, len, ps));
 }
 
-- 
2.11.4.GIT