xref: /openbsd/lib/libcurses/widechar/lib_in_wch.c (revision d415bd75)
1 /* $OpenBSD: lib_in_wch.c,v 1.2 2023/10/17 09:52:09 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright 2020 Thomas E. Dickey                                          *
5  * Copyright 2002-2009,2016 Free Software Foundation, Inc.                  *
6  *                                                                          *
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8  * copy of this software and associated documentation files (the            *
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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               *
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31 
32 /****************************************************************************
33  * Author: Thomas Dickey                                                    *
34  ****************************************************************************/
35 
36 /*
37 **	lib_in_wch.c
38 **
39 **	The routine win_wch().
40 **
41 */
42 
43 #include <curses.priv.h>
44 
45 MODULE_ID("$Id: lib_in_wch.c,v 1.2 2023/10/17 09:52:09 nicm Exp $")
46 
47 NCURSES_EXPORT(int)
48 win_wch(WINDOW *win, cchar_t *wcval)
49 {
50     int code = OK;
51 
52     TR(TRACE_CCALLS, (T_CALLED("win_wch(%p,%p)"), (void *) win, (void *) wcval));
53 
54     if (win != 0
55 	&& wcval != 0) {
56 	int row, col;
57 
58 	getyx(win, row, col);
59 
60 	*wcval = win->_line[row].text[col];
61 	TR(TRACE_CCALLS, ("data %s", _tracecchar_t(wcval)));
62     } else {
63 	code = ERR;
64     }
65     TR(TRACE_CCALLS, (T_RETURN("%d"), code));
66     return (code);
67 }
68