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