1/* $OpenBSD: lib_has_cap.c,v 1.4 2023/10/17 09:52:09 nicm Exp $ */
2
3/****************************************************************************
4 * Copyright 2020 Thomas E. Dickey                                          *
5 * Copyright 1998-2009,2013 Free Software Foundation, Inc.                  *
6 *                                                                          *
7 * Permission is hereby granted, free of charge, to any person obtaining a  *
8 * copy of this software and associated documentation files (the            *
9 * "Software"), to deal in the Software without restriction, including      *
10 * without limitation the rights to use, copy, modify, merge, publish,      *
11 * distribute, distribute with modifications, sublicense, and/or sell       *
12 * copies of the Software, and to permit persons to whom the Software is    *
13 * furnished to do so, subject to the following conditions:                 *
14 *                                                                          *
15 * The above copyright notice and this permission notice shall be included  *
16 * in all copies or substantial portions of the Software.                   *
17 *                                                                          *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
25 *                                                                          *
26 * Except as contained in this notice, the name(s) of the above copyright   *
27 * holders shall not be used in advertising or otherwise to promote the     *
28 * sale, use or other dealings in this Software without prior written       *
29 * authorization.                                                           *
30 ****************************************************************************/
31
32/****************************************************************************
33 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
34 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
35 *     and: Thomas E. Dickey                        1996-2003               *
36 *     and: Juergen Pfeifer                         2009                    *
37 ****************************************************************************/
38
39/*
40**	lib_has_cap.c
41**
42**	The routines to query terminal capabilities
43**
44*/
45
46#include <curses.priv.h>
47
48#ifndef CUR
49#define CUR SP_TERMTYPE
50#endif
51
52MODULE_ID("$Id: lib_has_cap.c,v 1.4 2023/10/17 09:52:09 nicm Exp $")
53
54NCURSES_EXPORT(bool)
55NCURSES_SP_NAME(has_ic) (NCURSES_SP_DCL0)
56{
57    bool code = FALSE;
58
59    T((T_CALLED("has_ic(%p)"), (void *) SP_PARM));
60
61    if (HasTInfoTerminal(SP_PARM)) {
62	code = ((insert_character || parm_ich
63		 || (enter_insert_mode && exit_insert_mode))
64		&& (delete_character || parm_dch)) ? TRUE : FALSE;
65    }
66
67    returnCode(code);
68}
69
70#if NCURSES_SP_FUNCS
71NCURSES_EXPORT(bool)
72has_ic(void)
73{
74    return NCURSES_SP_NAME(has_ic) (CURRENT_SCREEN);
75}
76#endif
77
78NCURSES_EXPORT(bool)
79NCURSES_SP_NAME(has_il) (NCURSES_SP_DCL0)
80{
81    bool code = FALSE;
82    T((T_CALLED("has_il(%p)"), (void *) SP_PARM));
83    if (HasTInfoTerminal(SP_PARM)) {
84	code = ((insert_line || parm_insert_line)
85		&& (delete_line || parm_delete_line)) ? TRUE : FALSE;
86    }
87
88    returnCode(code);
89}
90
91#if NCURSES_SP_FUNCS
92NCURSES_EXPORT(bool)
93has_il(void)
94{
95    return NCURSES_SP_NAME(has_il) (CURRENT_SCREEN);
96}
97#endif
98