From 7597cb68345d1ff96c34d61f73cbeba1e98484ec Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Thu, 25 Jun 2009 15:49:27 +0000
Subject: [PATCH] Pass window titles through vis(1). <0x20 is dropped anyway by
 the input state machine but top-bit-set nonprintables could cause trouble,
 and they are neater like this anyway.

---
 input.c  | 4 ++--
 screen.c | 9 +++++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/input.c b/input.c
index 6e778559..2906e702 100644
--- a/input.c
+++ b/input.c
@@ -1,4 +1,4 @@
-/* $Id: input.c,v 1.78 2009-05-04 17:58:26 nicm Exp $ */
+/* $OpenBSD: input.c,v 1.2 2009/06/03 19:33:04 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -475,7 +475,7 @@ input_state_string_next(u_char ch, struct input_ctx *ictx)
 		return;
 	}
 
-	if (ch >= 0x20 && ch != 0x7f) {
+	if (ch >= 0x20) {
 		if (input_add_string(ictx, ch) != 0)
 			input_state(ictx, input_state_first);
 		return;
diff --git a/screen.c b/screen.c
index 00bba794..da7763a8 100644
--- a/screen.c
+++ b/screen.c
@@ -1,4 +1,4 @@
-/* $Id: screen.c,v 1.82 2009-05-04 17:58:27 nicm Exp $ */
+/* $OpenBSD: screen.c,v 1.2 2009/06/03 19:33:04 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -19,6 +19,7 @@
 #include <sys/types.h>
 
 #include <string.h>
+#include <vis.h>
 
 #include "tmux.h"
 
@@ -65,8 +66,12 @@ screen_free(struct screen *s)
 void
 screen_set_title(struct screen *s, const char *title)
 {
+	char	tmp[BUFSIZ];
+
+	strnvis(tmp, title, sizeof tmp, VIS_OCTAL|VIS_TAB|VIS_NL);
+
 	xfree(s->title);
-	s->title = xstrdup(title);
+	s->title = xstrdup(tmp);
 }
 
 /* Resize screen. */