From 78cf41711a0bd26a4bcba054a54007df0f5b5bb2 Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Sat, 27 Feb 2021 06:28:16 +0000
Subject: [PATCH] Handle NULL term_type.

---
 usr.bin/tmux/format.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/usr.bin/tmux/format.c b/usr.bin/tmux/format.c
index 5980c5d61d2..1b971064088 100644
--- a/usr.bin/tmux/format.c
+++ b/usr.bin/tmux/format.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: format.c,v 1.279 2021/02/26 21:53:41 nicm Exp $ */
+/* $OpenBSD: format.c,v 1.280 2021/02/27 06:28:16 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1368,8 +1368,11 @@ format_cb_client_termname(struct format_tree *ft)
 static void *
 format_cb_client_termtype(struct format_tree *ft)
 {
-	if (ft->c != NULL)
+	if (ft->c != NULL) {
+		if (ft->c->term_type == NULL)
+			return (xstrdup(""));
 		return (xstrdup(ft->c->term_type));
+	}
 	return (NULL);
 }
 
-- 
2.20.1