xref: /illumos-gate/usr/src/lib/libxcurses2/src/libc/xcurses/wclear.c (revision 1da57d551424de5a9d469760be7c4b4d4f10a755)
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 /* LINTLIBRARY */
28 
29 /*
30  * wclear.c
31  *
32  * XCurses Library
33  *
34  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
35  *
36  */
37 
38 #if M_RCSID
39 #ifndef lint
40 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wclear.c 1.2 "
41 "1995/07/21 12:58:52 ant Exp $";
42 #endif
43 #endif
44 
45 #include <private.h>
46 
47 /*
48  * Erase window and clear screen next update.
49  */
50 #undef wclear
51 
52 int
wclear(WINDOW * w)53 wclear(WINDOW *w)
54 {
55 	int	value;
56 
57 	w->_flags |= W_CLEAR_WINDOW;
58 	value = werase(w);
59 
60 	return (value == 0 ? OK : ERR);
61 }
62 
63 /*
64  * Erase window.
65  */
66 #undef werase
67 
68 int
werase(WINDOW * w)69 werase(WINDOW *w)
70 {
71 	int	value;
72 
73 	w->_cury = 0;
74 	w->_curx = 0;
75 	value = __m_cc_erase(w, 0, 0, w->_maxy-1, w->_maxx-1);
76 
77 	return (value == 0 ? OK : ERR);
78 }
79