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 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