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be more careful when optimizing stretches of blanks into erasecols() 

now testpat's output is redrawn properly
This commit is contained in:
macallan 2021-01-02 03:00:56 +00:00
parent f2c339bc51
commit 7003c5c68f
1 changed files with 3 additions and 3 deletions
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6
sys/dev/wscons/wsdisplay_vcons.c
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@ -1,4 +1,4 @@
/* $NetBSD: wsdisplay_vcons.c,v 1.44 2020/12/28 00:14:18 macallan Exp $ */
/* $NetBSD: wsdisplay_vcons.c,v 1.45 2021/01/02 03:00:56 macallan Exp $ */
/*-
* Copyright (c) 2005, 2006 Michael Lorenz
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: wsdisplay_vcons.c,v 1.44 2020/12/28 00:14:18 macallan Exp $");
__KERNEL_RCSID(0, "$NetBSD: wsdisplay_vcons.c,v 1.45 2021/01/02 03:00:56 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -596,7 +596,7 @@ vcons_redraw_screen(struct vcons_screen *scr)
* and flags we don't need to do
* anything here
*/
if (acmp == cmp)
if (acmp == cmp && start == -1)
goto next;
/*
* see if we can optimize things a