xref: /titanic_44/usr/src/lib/libxcurses/src/libc/xcurses/has.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  * has.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/has.c 1.2 1995/07/19 16:38:02 ant Exp $";
41 #endif
42 #endif
43 
44 #include <private.h>
45 
46 bool
47 (has_colors)()
48 {
49 	bool value;
50 
51 #ifdef M_CURSES_TRACE
52 	__m_trace("has_colors(void)");
53 #endif
54 
55 	value = 0 < max_colors;
56 
57 	return __m_return_int("has_colors", value);
58 }
59 
60 bool
61 (has_ic)()
62 {
63 	bool value;
64 
65 #ifdef M_CURSES_TRACE
66 	__m_trace("has_ic(void)");
67 #endif
68 
69 	value = ((insert_character != (char *) 0 || parm_ich != (char *) 0)
70 		&& (delete_character != (char *) 0 || parm_dch != (char *) 0))
71 		|| (enter_insert_mode != (char *) 0 && exit_insert_mode);
72 
73 	return __m_return_int("has_ic", value);
74 }
75 
76 bool
77 (has_il)()
78 {
79 	bool value;
80 
81 #ifdef M_CURSES_TRACE
82 	__m_trace("has_il(void)");
83 #endif
84 
85         value = ((insert_line != (char *) 0 || parm_insert_line != (char *) 0)
86                 && (delete_line != (char *) 0 || parm_delete_line != (char *)0))
87                 || change_scroll_region != (char *) 0;
88 
89 	return __m_return_int("has_il", value);
90 }
91 
92 bool
93 (can_change_color)()
94 {
95 	bool value;
96 
97 #ifdef M_CURSES_TRACE
98 	__m_trace("can_change_color(void)");
99 #endif
100 
101 	value = 2 < max_colors && can_change && initialize_color != (char *) 0;
102 
103 	return __m_return_int("can_change_color", value);
104 }
105 
106