xref: /illumos-gate/usr/src/lib/libxcurses/src/libc/xcurses/wclear.c (revision a89c0811c892ec231725fe10817ef95dda813c06)
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, by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 /*
28  * wclear.c
29  *
30  * XCurses Library
31  *
32  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
33  *
34  */
35 
36 #if M_RCSID
37 #ifndef lint
38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wclear.c 1.2 1995/07/21 12:58:52 ant Exp $";
39 #endif
40 #endif
41 
42 #include <private.h>
43 
44 /*
45  * Erase window and clear screen next update.
46  */
47 int
48 (wclear)(w)
49 WINDOW *w;
50 {
51 	int value;
52 
53 #ifdef M_CURSES_TRACE
54 	__m_trace("wclear(%p)", w);
55 #endif
56 
57 	w->_flags |= W_CLEAR_WINDOW;
58 	value = werase(w);
59 
60 	return __m_return_code("wclear", value == 0 ? OK : ERR);
61 }
62 
63 /*
64  * Erase window.
65  */
66 int
67 (werase)(w)
68 WINDOW *w;
69 {
70 	int value;
71 
72 #ifdef M_CURSES_TRACE
73 	__m_trace("werase(%p)", w);
74 #endif
75 
76 	w->_cury = 0;
77 	w->_curx = 0;
78 	value = __m_cc_erase(w, 0, 0, w->_maxy-1, w->_maxx-1);
79 
80 	return __m_return_code("werase", value == 0 ? OK : ERR);
81 }
82 
83