define_key.c revision 1.4 
1/*	$OpenBSD: define_key.c,v 1.4 2001/01/22 18:01:36 millert Exp $	*/
2
3/****************************************************************************
4 * Copyright (c) 1998,2000 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 E. Dickey <dickey@clark.net> 1997                        *
33 ****************************************************************************/
34
35#include <curses.priv.h>
36
37MODULE_ID("$From: define_key.c,v 1.6 2000/12/10 02:43:26 tom Exp $")
38
39NCURSES_EXPORT(int)
40define_key
41(char *str, int keycode)
42{
43    int code = ERR;
44
45    T((T_CALLED("define_key(%s,%d)"), _nc_visbuf(str), keycode));
46    if (keycode > 0) {
47	if (str != 0) {
48	    define_key(str, 0);
49	} else if (has_key(keycode)) {
50	    while (_nc_remove_key(&(SP->_keytry), keycode))
51		code = OK;
52	}
53	if (str != 0) {
54	    (void) _nc_add_to_try(&(SP->_keytry), str, keycode);
55	    code = OK;
56	}
57    } else {
58	while (_nc_remove_string(&(SP->_keytry), str))
59	    code = OK;
60    }
61    returnCode(code);
62}
63