From 83f8a71a7cc2137a1d4638228b3d83717c15af54 Mon Sep 17 00:00:00 2001
From: Oliver Kiddle <opk@zsh.org>
Date: Sun, 8 Oct 2023 23:47:25 +0200
Subject: 52214: allow extra byte for nul terminator in allocation

---
 Src/subst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Src/subst.c')

diff --git a/Src/subst.c b/Src/subst.c
index cdbfc138a..60d850feb 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -1506,7 +1506,7 @@ substevalchar(char *ptr)
     }
 #ifdef MULTIBYTE_SUPPORT
     else if (isset(MULTIBYTE) && ires > 127) {
-	ptr = zhalloc(MB_CUR_MAX);
+	ptr = zhalloc(MB_CUR_MAX+1);
 	len = ucs4tomb((unsigned int)ires & 0xffffffff, ptr);
     }
     if (len <= 0)
-- 
cgit 1.4.1