From 04b2c2b53eb6869fc09cf914f01435718e25f5e4 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Tue, 17 Apr 2001 08:53:31 +0000
Subject: [PATCH] Fix alternate-screen bugs introduced by move to B-trees.
 Alternate screen wasn't being correctly cleared on creation, and also wasn't
 inhibiting scrollback like it should have.

[originally from svn r1061]
---
 terminal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/terminal.c b/terminal.c
index 7d6c727c..ab1b2254 100644
--- a/terminal.c
+++ b/terminal.c
@@ -369,7 +369,7 @@ void term_size(int newrows, int newcols, int newsavelines) {
     for (i=0; i<newrows; i++) {
 	line = smalloc(TSIZE * (newcols+1));
 	for (j = 0; j <= newcols; j++)
-	    line[i] = erase_char;
+	    line[j] = erase_char;
 	addpos234(newalt, line, i);
     }
     if (alt_screen) {
@@ -466,7 +466,7 @@ static void scroll (int topline, int botline, int lines, int sb) {
     unsigned long *line, *line2;
     int i;
 
-    if (topline != 0)
+    if (topline != 0 || alt_which != 0)
 	sb = FALSE;
 
     if (lines < 0) {