From d53e1b2676353a68bf2e971753752c4f3906d4b4 Mon Sep 17 00:00:00 2001
From: Tobias Bengfort <tobias.bengfort@posteo.de>
Date: Mon, 14 Mar 2022 15:00:48 +0100
Subject: [PATCH] fix crash when borders align perfectly with screen borders

---
 dwl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dwl.c b/dwl.c
index 3c57c23..d3b1812 100644
--- a/dwl.c
+++ b/dwl.c
@@ -1878,8 +1878,8 @@ run(char *startup_cmd)
 void
 scalebox(struct wlr_box *box, float scale)
 {
-	box->width =  ROUND((box->x + box->width) * scale) -  ROUND(box->x * scale);
-	box->height = ROUND((box->y + box->height) * scale) - ROUND(box->y * scale);
+	box->width =  MAX(1, ROUND((box->x + box->width) * scale) -  ROUND(box->x * scale));
+	box->height = MAX(1, ROUND((box->y + box->height) * scale) - ROUND(box->y * scale));
 	box->x = ROUND(box->x * scale);
 	box->y = ROUND(box->y * scale);
 }