From 13a4b103f64c3e70f0b6191e9923b108494d48c9 Mon Sep 17 00:00:00 2001
From: David Griffith <dave@661.org>
Date: Tue, 10 Jan 2017 04:45:21 -0800
Subject: [PATCH] Fix #34: Exit if screen is wider than 255 instead of giving
 width of zero.

---
 src/curses/ux_init.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/curses/ux_init.c b/src/curses/ux_init.c
index 257b547..8d564d1 100644
--- a/src/curses/ux_init.c
+++ b/src/curses/ux_init.c
@@ -442,6 +442,9 @@ void os_init_screen (void)
     h_screen_width = h_screen_cols;
     h_screen_height = h_screen_rows;
 
+    if (h_screen_width > 255 || h_screen_width < 1)
+	os_fatal("Invalid screen width. Must be between 1 and 255.");
+
     h_font_width = 1;
     h_font_height = 1;
 
-- 
2.34.1