inch.c revision 1.4 
1/*	$NetBSD: inch.c,v 1.4 2000/04/24 14:09:43 blymn Exp $	*/
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Julian Coleman.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include <sys/cdefs.h>
40#ifndef lint
41__RCSID("$NetBSD: inch.c,v 1.4 2000/04/24 14:09:43 blymn Exp $");
42#endif				/* not lint */
43
44#include "curses.h"
45#include "curses_private.h"
46
47#ifndef _CURSES_USE_MACROS
48
49/*
50 * inch --
51 *	Return character at cursor position from stdscr.
52 */
53chtype
54inch(void)
55{
56	return winch(stdscr);
57}
58
59/*
60 * mvinch --
61 *      Return character at position (y, x) from stdscr.
62 */
63chtype
64mvinch(int y, int x)
65{
66	return mvwinch(stdscr, y, x);
67}
68
69/*
70 * mvwinch --
71 *      Return character at position (y, x) from the given window.
72 */
73chtype
74mvwinch(WINDOW *win, int y, int x)
75{
76	if (wmove(win, y, x) == ERR)
77		return ERR;
78
79	return winch(win);
80}
81
82#endif
83
84/*
85 * winch --
86 *	Return character at cursor position.
87 */
88chtype
89winch(WINDOW *win)
90{
91
92	chtype	 ch;
93
94	ch = (chtype) (((win)->lines[(win)->cury]->line[(win)->curx].ch & __CHARTEXT) |
95	  (chtype) ((win)->lines[(win)->cury]->line[(win)->curx].attr & __ATTRIBUTES));
96	return (ch);
97}
98