From f45ad91f7ac3fe314dd82e1701a4a5f2ad5e0d2f Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Tue, 22 Feb 2022 11:07:25 +0000
Subject: [PATCH] Initialize copy_width before adjusting it, GitHub issue 3079.

---
 usr.bin/tmux/format-draw.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/usr.bin/tmux/format-draw.c b/usr.bin/tmux/format-draw.c
index a80e0893929..b36daa17ecd 100644
--- a/usr.bin/tmux/format-draw.c
+++ b/usr.bin/tmux/format-draw.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: format-draw.c,v 1.25 2021/10/26 12:22:23 nicm Exp $ */
+/* $OpenBSD: format-draw.c,v 1.26 2022/02/22 11:07:25 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1154,13 +1154,13 @@ format_trim_right(const char *expanded, u_int limit)
 	while (*cp != '\0') {
 		if (*cp == '#') {
 			end = format_leading_hashes(cp, &n, &leading_width);
+			copy_width = leading_width;
 			if (width <= skip) {
-				if (skip - width >= leading_width)
+				if (skip - width >= copy_width)
 					copy_width = 0;
 				else
 					copy_width -= (skip - width);
-			} else
-				copy_width = leading_width;
+			}
 			if (copy_width != 0) {
 				if (n == 1)
 					*out++ = '#';
-- 
2.20.1