1/****************************************************************************
2 * Copyright (c) 1998-2003,2005 Free Software Foundation, Inc.              *
3 *                                                                          *
4 * Permission is hereby granted, free of charge, to any person obtaining a  *
5 * copy of this software and associated documentation files (the            *
6 * "Software"), to deal in the Software without restriction, including      *
7 * without limitation the rights to use, copy, modify, merge, publish,      *
8 * distribute, distribute with modifications, sublicense, and/or sell       *
9 * copies of the Software, and to permit persons to whom the Software is    *
10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
12 * The above copyright notice and this permission notice shall be included  *
13 * in all copies or substantial portions of the Software.                   *
14 *                                                                          *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 *                                                                          *
23 * Except as contained in this notice, the name(s) of the above copyright   *
24 * holders shall not be used in advertising or otherwise to promote the     *
25 * sale, use or other dealings in this Software without prior written       *
26 * authorization.                                                           *
27 ****************************************************************************/
28
29/****************************************************************************
30 *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
31 ****************************************************************************/
32
33#include <curses.priv.h>
34
35MODULE_ID("$Id: define_key.c,v 1.9 2005/04/30 16:21:26 tom Exp $")
36
37NCURSES_EXPORT(int)
38define_key(const char *str, int keycode)
39{
40    int code = ERR;
41
42    T((T_CALLED("define_key(%s,%d)"), _nc_visbuf(str), keycode));
43    if (SP == 0) {
44	code = ERR;
45    } else if (keycode > 0) {
46	if (str != 0) {
47	    define_key(str, 0);
48	} else if (has_key(keycode)) {
49	    while (_nc_remove_key(&(SP->_keytry), keycode))
50		code = OK;
51	}
52	if (str != 0) {
53	    if (key_defined(str) == 0) {
54		(void) _nc_add_to_try(&(SP->_keytry), str, keycode);
55		code = OK;
56	    } else {
57		code = ERR;
58	    }
59	}
60    } else {
61	while (_nc_remove_string(&(SP->_keytry), str))
62	    code = OK;
63    }
64    returnCode(code);
65}
66