From c3e38951a46b1c4f890ac4792876ddfbfc310bc9 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@cvs.openbsd.org>
Date: Sun, 28 Oct 2018 15:34:28 +0000
Subject: Do not check for a key again without an escape if only \033 is
 present.

---
 usr.bin/tmux/tty-keys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/usr.bin/tmux/tty-keys.c b/usr.bin/tmux/tty-keys.c
index 0605b05e7a8..8a72a498cf0 100644
--- a/usr.bin/tmux/tty-keys.c
+++ b/usr.bin/tmux/tty-keys.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty-keys.c,v 1.104 2018/10/18 08:04:14 nicm Exp $ */
+/* $OpenBSD: tty-keys.c,v 1.105 2018/10/28 15:34:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -624,7 +624,7 @@ first_key:
 	 * If not a complete key, look for key with an escape prefix (meta
 	 * modifier).
 	 */
-	if (*buf == '\033') {
+	if (*buf == '\033' && len > 1) {
 		/* Look for a key without the escape. */
 		n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
 		if (n == 0) {	/* found */
-- 
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