From 4ceb4cfc225585e28c7e4d4d27c7fdea4ab759c0 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 22 Nov 2018 08:57:43 +0530
Subject: [PATCH] Fix a crash if the client program tries to restore more modes
 than it saves

Fixes #1166
---
 kitty/screen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kitty/screen.c b/kitty/screen.c
index d34d0898d..a91f832e9 100644
--- a/kitty/screen.c
+++ b/kitty/screen.c
@@ -976,9 +976,9 @@ screen_restore_cursor(Screen *self) {
 
 void
 screen_restore_modes(Screen *self) {
-    ScreenModes *m;
+    const ScreenModes *m;
     buffer_pop(&self->modes_savepoints, m);
-    if (m == NULL) *m = empty_modes;
+    if (m == NULL) m = &empty_modes;
 #define S(name) set_mode_from_const(self, name, m->m##name)
     S(DECTCEM); S(DECSCNM); S(DECSCNM); S(DECOM); S(DECAWM); S(DECARM); S(DECCKM);
     S(BRACKETED_PASTE); S(FOCUS_TRACKING); S(EXTENDED_KEYBOARD);