1/*
2 * Copyright (c) 1995 Andrew McRae.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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.
12 * 3. The name of the author may not be used to endorse or promote products
13 *    derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29struct tuple {
30	struct tuple *next;
31	unsigned char code;
32	int     length;
33	unsigned char *data;
34};
35
36struct tuple_list {
37	struct tuple_list *next;
38	struct tuple *tuples;
39	off_t   offs;
40	int     flags;
41};
42
43struct tuple_info {
44	const char   *name;
45	unsigned char code;
46	unsigned char length;		/* 255 means variable length */
47};
48
49#define	tpl32(tp)	((*((tp) + 3) << 24) | \
50			 (*((tp) + 2) << 16) | \
51			 (*((tp) + 1) << 8)  | *(tp))
52#define	tpl24(tp)	((*((tp) + 2) << 16) | \
53			 (*((tp) + 1) << 8)  | *(tp))
54#define	tpl16(tp)	((*((tp) + 1) << 8)  | *(tp))
55
56void    dumpcis(struct tuple_list *);
57void    freecis(struct tuple_list *);
58struct tuple_list *readcis(int);
59
60const char *tuple_name(unsigned char);
61u_int   parse_num(int, u_char *, u_char **, int);
62