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 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