>From 7e65520a544c08295f0c52b8ae3eb490b2482af1 Mon Sep 17 00:00:00 2001
From: Peter Kasza <address@hidden>
Date: Fri, 23 Jun 2017 21:46:17 +0200
Subject: [PATCH 2/3] fix segfault in unsetcmd when getting a single space as
 an argument

---
 telnet/commands.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/telnet/commands.c b/telnet/commands.c
index 57e33c2..8145637 100644
--- a/telnet/commands.c
+++ b/telnet/commands.c
@@ -1184,7 +1184,7 @@ unsetcmd (int argc, char *argv[])
     {
       name = *argv++;
       ct = getset (name);
-      if (ct == 0)
+      if (ct == 0 || (!Ambiguous(ct) && ct->handler == 0 && ct->charp == 0))
 	{
 	  c = GETTOGGLE (name);
 	  if (c == 0)
-- 
2.13.1