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
58 int
newkey(char * rcvchars,short keyval,bool macro)59 newkey(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);
78 bad :
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