xref: /netbsd/lib/libcurses/clear.c (revision 62a3457d)
161f28255Scgd /*
261f28255Scgd  * Copyright (c) 1981 Regents of the University of California.
361f28255Scgd  * All rights reserved.
461f28255Scgd  *
561f28255Scgd  * Redistribution and use in source and binary forms, with or without
661f28255Scgd  * modification, are permitted provided that the following conditions
761f28255Scgd  * are met:
861f28255Scgd  * 1. Redistributions of source code must retain the above copyright
961f28255Scgd  *    notice, this list of conditions and the following disclaimer.
1061f28255Scgd  * 2. Redistributions in binary form must reproduce the above copyright
1161f28255Scgd  *    notice, this list of conditions and the following disclaimer in the
1261f28255Scgd  *    documentation and/or other materials provided with the distribution.
1361f28255Scgd  * 3. All advertising materials mentioning features or use of this software
1461f28255Scgd  *    must display the following acknowledgement:
1561f28255Scgd  *	This product includes software developed by the University of
1661f28255Scgd  *	California, Berkeley and its contributors.
1761f28255Scgd  * 4. Neither the name of the University nor the names of its contributors
1861f28255Scgd  *    may be used to endorse or promote products derived from this software
1961f28255Scgd  *    without specific prior written permission.
2061f28255Scgd  *
2161f28255Scgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2261f28255Scgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2361f28255Scgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2461f28255Scgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2561f28255Scgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2661f28255Scgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2761f28255Scgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2861f28255Scgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2961f28255Scgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3061f28255Scgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3161f28255Scgd  * SUCH DAMAGE.
3261f28255Scgd  */
3361f28255Scgd 
3461f28255Scgd #ifndef lint
35*62a3457dSmycroft /*static char sccsid[] = "from: @(#)clear.c	5.5 (Berkeley) 8/23/92";*/
36*62a3457dSmycroft static char rcsid[] = "$Id: clear.c,v 1.3 1993/08/07 05:48:42 mycroft Exp $";
3761f28255Scgd #endif	/* not lint */
3861f28255Scgd 
39*62a3457dSmycroft #include <curses.h>
4061f28255Scgd 
4161f28255Scgd /*
42*62a3457dSmycroft  * wclear --
43*62a3457dSmycroft  *	Clear the window.
4461f28255Scgd  */
45*62a3457dSmycroft int
4661f28255Scgd wclear(win)
47*62a3457dSmycroft 	register WINDOW *win;
48*62a3457dSmycroft {
49*62a3457dSmycroft 	if (werase(win) == OK) {
50*62a3457dSmycroft 		win->_clear = 1;
51*62a3457dSmycroft 		return (OK);
52*62a3457dSmycroft 	}
53*62a3457dSmycroft 	return (ERR);
5461f28255Scgd }
55