xref: /illumos-gate/usr/src/lib/libxcurses/src/libc/xcurses/touched.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * touched.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/touched.c 1.2 1995/06/15 18:42:55 ant Exp $";
41 #endif
42 #endif
43 
44 #include <private.h>
45 
46 /*
47  * Return true if line has been touched.  See wtouchln().
48  *
49  *	touched 	0 <= _first[y] <= _last[y] <= _maxx
50  * 	untouched	_last[y] < 0 < _maxx <= _first[y].
51  */
52 bool
53 (is_linetouched)(w, y)
54 WINDOW *w;
55 int y;
56 {
57 #ifdef M_CURSES_TRACE
58 	__m_trace("is_linetouched(%p, %d)", w, y);
59 #endif
60 
61 	return __m_return_int("is_linetouched", 0 <= w->_last[y]);
62 }
63 
64 bool
65 (is_wintouched)(w)
66 WINDOW *w;
67 {
68 	int y, value;
69 
70 #ifdef M_CURSES_TRACE
71 	__m_trace("is_linetouched(%p, %d)", w, y);
72 #endif
73 
74 	for (y = 0; y < w->_maxy; ++y)
75 		if ((value = 0 <= w->_last[y]))
76 			break;
77 
78 	return __m_return_int("is_linetouched", value);
79 }
80 
81