1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved	*/
29
30/*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40#pragma ident	"%Z%%M%	%I%	%E% SMI"
41
42/*LINTLIBRARY*/
43
44#include	<stdlib.h>
45#include	<string.h>
46#include	<sys/types.h>
47#include	"curses_inc.h"
48
49/*
50 * Set a new key or a new macro.
51 *
52 * rcvchars: the pattern identifying the key
53 * keyval: the value to return when the key is recognized
54 * macro: if this is not a function key but a macro,
55 * 	tgetch() will block on macros.
56 */
57
58int
59newkey(char *rcvchars, short keyval, bool macro)
60{
61	_KEY_MAP	**keys, *key_info,
62					**prev_keys = cur_term->_keys;
63	short		*numkeys = &cur_term->_ksz;
64	char		*str;
65	size_t		len;
66
67	if ((!rcvchars) || (*rcvchars == '\0') || (keyval < 0) ||
68	    (((keys = (_KEY_MAP **) malloc(sizeof (_KEY_MAP *) *
69	    (*numkeys + 1))) == NULL))) {
70		goto bad;
71	}
72
73	len = strlen(rcvchars) + 1;
74
75	if ((key_info = (_KEY_MAP *) malloc(sizeof (_KEY_MAP) + len)) ==
76	    NULL) {
77		free(keys);
78bad :
79		term_errno = TERM_BAD_MALLOC;
80#ifdef	DEBUG
81		strcpy(term_parm_err, "newkey");
82#endif	/* DEBUG */
83		return (ERR);
84	}
85
86	if (macro) {
87		(void) memcpy((char *) keys, (char *) prev_keys,
88		    (*numkeys * sizeof (_KEY_MAP *)));
89		keys[*numkeys] = key_info;
90	} else {
91		short	*first = &(cur_term->_first_macro);
92
93		(void) memcpy((char *) keys, (char *) prev_keys,
94		    (*first * sizeof (_KEY_MAP *)));
95		(void) memcpy((char *) &(keys[*first + 1]),
96		    (char *) &(prev_keys[*first]),
97		    ((*numkeys - *first) * sizeof (_KEY_MAP *)));
98		keys[(*first)++] = key_info;
99		cur_term->_lastmacro_ordered++;
100	}
101	if (prev_keys != NULL)
102		free(prev_keys);
103	cur_term->_keys = keys;
104
105	(*numkeys)++;
106	key_info->_sends = str = (char *) key_info + sizeof (_KEY_MAP);
107	(void) memcpy(str, rcvchars, len);
108	key_info->_keyval = keyval;
109	cur_term->funckeystarter[*str] |= (macro ? _MACRO : _KEY);
110
111	return (OK);
112}
113