From d2324a2fcb0d4562ff2da13bb7f92f291589d6b4 Mon Sep 17 00:00:00 2001
From: Christian Heller <c.heller@plomlompom.de>
Date: Sat, 31 Oct 2020 11:26:48 +0100
Subject: [PATCH] Add safeguards against illegal rows/cols values.

---
 new2/rogue_chat_nocanvas_monochrome.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/new2/rogue_chat_nocanvas_monochrome.html b/new2/rogue_chat_nocanvas_monochrome.html
index 754021f..96ad054 100644
--- a/new2/rogue_chat_nocanvas_monochrome.html
+++ b/new2/rogue_chat_nocanvas_monochrome.html
@@ -593,10 +593,16 @@ wasd_selector.addEventListener('input', function() {
     tui.init_wasd();
 }, false);
 rows_selector.addEventListener('input', function() {
+    if (rows_selector.value % 2 != 0) {
+        return;
+    }
     terminal.initialize();
     tui.full_refresh();
 }, false);
 cols_selector.addEventListener('input', function() {
+    if (cols_selector.value % 4 != 0) {
+        return;
+    }
     terminal.initialize();
     tui.window_width = terminal.cols / 2,
     tui.full_refresh();
-- 
2.30.2