xref: /openbsd/lib/libcurses/widechar/lib_in_wch.c (revision 76d0caae)
1 /* $OpenBSD: lib_in_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright (c) 2002-2004,2006 Free Software Foundation, Inc.              *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  * Author: Thomas Dickey                                                    *
33  ****************************************************************************/
34 
35 /*
36 **	lib_in_wch.c
37 **
38 **	The routine win_wch().
39 **
40 */
41 
42 #include <curses.priv.h>
43 
44 MODULE_ID("$Id: lib_in_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $")
45 
46 NCURSES_EXPORT(int)
47 win_wch(WINDOW *win, cchar_t *wcval)
48 {
49     int row, col;
50     int code = OK;
51 
52     TR(TRACE_CCALLS, (T_CALLED("win_wch(%p,%p)"), win, wcval));
53     if (win != 0
54 	&& wcval != 0) {
55 	getyx(win, row, col);
56 
57 	*wcval = win->_line[row].text[col];
58 	TR(TRACE_CCALLS, ("data %s", _tracecchar_t(wcval)));
59     } else {
60 	code = ERR;
61     }
62     TR(TRACE_CCALLS, (T_RETURN("%d"), code));
63     return (code);
64 }
65