1 /* $OpenBSD: doi.c,v 1.11 2013/03/21 04:30:14 deraadt Exp $ */
2 /* $EOM: doi.c,v 1.4 1999/04/02 00:57:36 niklas Exp $ */
3
4 /*
5 * Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /*
29 * This code was written under funding by Ericsson Radio Systems.
30 */
31
32 #include <sys/types.h>
33
34 #include "doi.h"
35
36 static
37 LIST_HEAD(doi_list, doi) doi_tab;
38
39 void
doi_init(void)40 doi_init(void)
41 {
42 LIST_INIT(&doi_tab);
43 }
44
45 struct doi *
doi_lookup(u_int8_t doi_id)46 doi_lookup(u_int8_t doi_id)
47 {
48 struct doi *doi;
49
50 for (doi = LIST_FIRST(&doi_tab); doi && doi->id != doi_id;
51 doi = LIST_NEXT(doi, link));
52 return doi;
53 }
54
55 void
doi_register(struct doi * doi)56 doi_register(struct doi *doi)
57 {
58 LIST_INSERT_HEAD(&doi_tab, doi, link);
59 }
60