xref: /illumos-gate/usr/src/lib/libxcurses2/src/libc/xcurses/wclear.c (revision 4eaa471005973e11a6110b69fe990530b3b95a38)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * wclear.c
33  *
34  * XCurses Library
35  *
36  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37  *
38  */
39 
40 #if M_RCSID
41 #ifndef lint
42 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wclear.c 1.2 "
43 "1995/07/21 12:58:52 ant Exp $";
44 #endif
45 #endif
46 
47 #include <private.h>
48 
49 /*
50  * Erase window and clear screen next update.
51  */
52 #undef wclear
53 
54 int
55 wclear(WINDOW *w)
56 {
57 	int	value;
58 
59 	w->_flags |= W_CLEAR_WINDOW;
60 	value = werase(w);
61 
62 	return (value == 0 ? OK : ERR);
63 }
64 
65 /*
66  * Erase window.
67  */
68 #undef werase
69 
70 int
71 werase(WINDOW *w)
72 {
73 	int	value;
74 
75 	w->_cury = 0;
76 	w->_curx = 0;
77 	value = __m_cc_erase(w, 0, 0, w->_maxy-1, w->_maxx-1);
78 
79 	return (value == 0 ? OK : ERR);
80 }
81