1/* $OpenBSD: uuid.h,v 1.5 2025/07/11 19:12:49 krw Exp $ */
2/* $NetBSD: uuid.h,v 1.5 2008/11/18 14:01:03 joerg Exp $ */
3
4/*
5 * Copyright (c) 2002 Marcel Moolenaar
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: /repoman/r/ncvs/src/sys/sys/uuid.h,v 1.3 2003/05/31 16:47:07 phk Exp $
30 */
31
32#ifndef _SYS_UUID_H_
33#define _SYS_UUID_H_
34
35/* Length of a node address (an IEEE 802 address). */
36#define _UUID_NODE_LEN 6
37
38/* Length of a printed UUID. */
39#define _UUID_BUF_LEN 38
40
41/*
42 * See also:
43 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
44 * http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
45 *
46 * A DCE 1.1 compatible source representation of UUIDs.
47 */
48struct uuid {
49 uint32_t time_low;
50 uint16_t time_mid;
51 uint16_t time_hi_and_version;
52 uint8_t clock_seq_hi_and_reserved;
53 uint8_t clock_seq_low;
54 uint8_t node[_UUID_NODE_LEN];
55};
56
57#ifdef _KERNEL
58
59#define UUID_NODE_LEN _UUID_NODE_LEN
60#define UUID_BUF_LEN _UUID_BUF_LEN
61
62int uuid_snprintf(char *, size_t, const struct uuid *);
63int uuid_printf(const struct uuid *);
64
65#else /* _KERNEL */
66
67typedef struct uuid uuid_t;
68
69#endif /* _KERNEL */
70
71#endif /* _SYS_UUID_H_ */