2 * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 *---------------------------------------------------------------------------
27 * isdnd - common aliasfile handling
28 * =================================
30 * NOTE: this has to stay in sync with isdntel/alias.c to be able
31 * to share a common aliasfile!
33 * $Id: alias.c,v 1.8 1999/12/13 21:25:24 hm Exp $
35 * $FreeBSD: src/usr.sbin/i4b/isdnd/alias.c,v 1.6.2.1 2001/08/01 17:45:03 obrien Exp $
36 * $DragonFly: src/usr.sbin/i4b/isdnd/alias.c,v 1.2 2003/06/17 04:29:54 dillon Exp $
38 * last edit-date: [Mon Dec 13 21:45:19 1999]
40 *----------------------------------------------------------------------------*/
44 static struct alias *firsta = NULL;
48 static void free_alias(struct alias *ptr);
50 /*---------------------------------------------------------------------------*
51 * read in and init aliases
52 *---------------------------------------------------------------------------*/
54 init_alias(char *filename)
57 unsigned char buffer[MAXBUFSZ + 1];
58 unsigned char number[MAXBUFSZ + 1];
59 unsigned char name[MAXBUFSZ + 1];
61 struct alias *newa = NULL;
62 struct alias *lasta = NULL;
66 if((fp = fopen(filename, "r")) == NULL)
68 log(LL_ERR, "init_alias: error opening aliasfile %s: %s!", filename, strerror(errno));
72 while((fgets(buffer, MAXBUFSZ, fp)) != NULL)
74 if(buffer[0] == '#' || buffer[0] == ' ' ||
75 buffer[0] == '\t' || buffer[0] == '\n')
83 while(*s && (isdigit(*s)))
88 while(*s && (isspace(*s)))
93 while(*s && (isprint(*s)))
98 if((strlen(number) > 1) && (strlen(name) > 1))
100 if((newa = (struct alias *) malloc(sizeof(struct alias))) == NULL)
102 log(LL_ERR, "init_alias: malloc failed for struct alias!\n");
106 if((newa->number = (char *) malloc(strlen(number)+1)) == NULL)
108 log(LL_ERR, "init_alias: malloc failed for number alias!\n");
112 if((newa->name = (char *) malloc(strlen(name)+1)) == NULL)
114 log(LL_ERR, "init_alias: malloc failed for name alias!\n");
118 strcpy(newa->name, name);
119 strcpy(newa->number, number);
136 /*---------------------------------------------------------------------------*
138 *---------------------------------------------------------------------------*/
145 /*---------------------------------------------------------------------------*
147 *---------------------------------------------------------------------------*/
149 free_alias(struct alias *ptr)
155 if(ptr->next != NULL)
156 free_alias(ptr->next);
158 if(ptr->number != NULL)
161 if(ptr->name != NULL)
167 /*---------------------------------------------------------------------------*
168 * try to find alias for number. if no alias found, return number.
169 *---------------------------------------------------------------------------*/
171 get_alias(char *number)
173 struct alias *ca = NULL;
182 if(strlen(number) == strlen(ca->number))
184 if(!(strcmp(number, ca->number)))