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 /*LINTLIBRARY*/
41
42 #include <stdlib.h>
43 #include <string.h>
44 #include <sys/types.h>
45 #include "curses_inc.h"
46
47 /*
48 * Set a new key or a new macro.
49 *
50 * rcvchars: the pattern identifying the key
51 * keyval: the value to return when the key is recognized
52 * macro: if this is not a function key but a macro,
53 * tgetch() will block on macros.
54 */
55
56 int
newkey(char * rcvchars,short keyval,bool macro)57 newkey(char *rcvchars, short keyval, bool macro)
58 {
59 _KEY_MAP **keys, *key_info,
60 **prev_keys = cur_term->_keys;
61 short *numkeys = &cur_term->_ksz;
62 char *str;
63 size_t len;
64
65 if ((!rcvchars) || (*rcvchars == '\0') || (keyval < 0) ||
66 (((keys = (_KEY_MAP **) malloc(sizeof (_KEY_MAP *) *
67 (*numkeys + 1))) == NULL))) {
68 goto bad;
69 }
70
71 len = strlen(rcvchars) + 1;
72
73 if ((key_info = (_KEY_MAP *) malloc(sizeof (_KEY_MAP) + len)) ==
74 NULL) {
75 free(keys);
76 bad :
77 term_errno = TERM_BAD_MALLOC;
78 #ifdef DEBUG
79 strcpy(term_parm_err, "newkey");
80 #endif /* DEBUG */
81 return (ERR);
82 }
83
84 if (macro) {
85 (void) memcpy((char *) keys, (char *) prev_keys,
86 (*numkeys * sizeof (_KEY_MAP *)));
87 keys[*numkeys] = key_info;
88 } else {
89 short *first = &(cur_term->_first_macro);
90
91 (void) memcpy((char *) keys, (char *) prev_keys,
92 (*first * sizeof (_KEY_MAP *)));
93 (void) memcpy((char *) &(keys[*first + 1]),
94 (char *) &(prev_keys[*first]),
95 ((*numkeys - *first) * sizeof (_KEY_MAP *)));
96 keys[(*first)++] = key_info;
97 cur_term->_lastmacro_ordered++;
98 }
99 if (prev_keys != NULL)
100 free(prev_keys);
101 cur_term->_keys = keys;
102
103 (*numkeys)++;
104 key_info->_sends = str = (char *) key_info + sizeof (_KEY_MAP);
105 (void) memcpy(str, rcvchars, len);
106 key_info->_keyval = keyval;
107 cur_term->funckeystarter[*str] |= (macro ? _MACRO : _KEY);
108
109 return (OK);
110 }
111