From b5059bc8a48496f5650a03d18980014b552831eb Mon Sep 17 00:00:00 2001
From: Tiago Cunha <tcunha@gmx.com>
Date: Fri, 14 Aug 2009 21:31:20 +0000
Subject: [PATCH] Sync OpenBSD patchset 251:

If the client passes zero for the window size in the identify message (which it
can, for example on serial terminals), reset it to 80x25, same as for resize
messages. Problem reported by kettenis@.
---
 server-msg.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server-msg.c b/server-msg.c
index 2499140b..e5f7a20e 100644
--- a/server-msg.c
+++ b/server-msg.c
@@ -1,4 +1,4 @@
-/* $Id: server-msg.c,v 1.80 2009-08-14 21:23:20 tcunha Exp $ */
+/* $Id: server-msg.c,v 1.81 2009-08-14 21:31:20 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -238,7 +238,11 @@ void
 server_msg_identify(struct client *c, struct msg_identify_data *data, int fd)
 {
 	c->tty.sx = data->sx;
+	if (c->tty.sx == 0)
+		c->tty.sx = 80;
 	c->tty.sy = data->sy;
+	if (c->tty.sy == 0)
+		c->tty.sy = 25;
 
 	c->cwd = NULL;
 	data->cwd[(sizeof data->cwd) - 1] = '\0';