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From 049a3bfdfc59590a24dfeefa707abb64b74ae17b Mon Sep 17 00:00:00 2001
From: Amadeusz Sławiński <amade@asmblr.net>
Date: Fri, 18 Apr 2014 18:28:39 +0000
Subject: do proper checks if we are on altscreen or not
fixes screen segfaults with `altscreen on` when using applications making
use of altscreen like mc when resizing screen window
Signed-off-by: Amadeusz Sławiński <amade@asmblr.net>
---
diff --git a/src/ansi.c b/src/ansi.c
index 04c9012..e76eef4 100644
--- a/src/ansi.c
+++ b/src/ansi.c
@@ -1436,14 +1436,17 @@ int c, intermediate;
{
if (i)
{
- if (!curr->w_alt.on)
+ if (!curr->w_alt.on) {
SaveCursor(&curr->w_alt.cursor);
- EnterAltScreen(curr);
+ EnterAltScreen(curr);
+ }
}
else
{
- LeaveAltScreen(curr);
- RestoreCursor(&curr->w_alt.cursor);
+ if (curr->w_alt.on) {
+ LeaveAltScreen(curr);
+ RestoreCursor(&curr->w_alt.cursor);
+ }
}
if (a1 == 47 && !i)
curr->w_saved.on = 0;
--
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