wclrtobot.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses_inc.h"
/* This routine erases everything on the window. */
int
wclrtobot(WINDOW *win)
{
bool savimmed, savsync;
int cury = win->_cury;
short curx = win->_curx;
if (win != curscr) {
savimmed = win->_immed;
savsync = win->_sync;
win->_immed = win->_sync = FALSE;
}
/* set region to be clear */
if (cury >= win->_tmarg && cury <= win->_bmarg)
win->_cury = win->_bmarg;
else
win->_cury = win->_maxy - 1;
win->_curx = 0;
for (; win->_cury > cury; win->_cury--)
(void) wclrtoeol(win);
win->_curx = curx;
(void) wclrtoeol(win);
if (win == curscr)
return (OK);
/* not curscr */
win->_sync = savsync;
if (win->_sync)
wsyncup(win);
win->_flags |= _WINCHANGED;
return ((win->_immed = savimmed) ? wrefresh(win) : OK);
}