FreeBSD/Linux Kernel Cross Reference
sys/sys/uuid.h
1 /* $NetBSD: uuid.h,v 1.8 2022/08/20 11:27:09 riastradh Exp $ */
2
3 /*
4 * Copyright (c) 2002 Marcel Moolenaar
5 * 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 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: /repoman/r/ncvs/src/sys/sys/uuid.h,v 1.3 2003/05/31 16:47:07 phk Exp $
29 */
30
31 #ifndef _SYS_UUID_H_
32 #define _SYS_UUID_H_
33
34 #include <sys/cdefs.h>
35 #include <sys/stdint.h>
36
37 /* Length of a node address (an IEEE 802 address). */
38 #define _UUID_NODE_LEN 6
39
40 /* Length of a printed UUID. */
41 #define _UUID_STR_LEN 38
42
43 /*
44 * See also:
45 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
46 * http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
47 *
48 * A DCE 1.1 compatible source representation of UUIDs.
49 */
50 struct uuid {
51 uint32_t time_low;
52 uint16_t time_mid;
53 uint16_t time_hi_and_version;
54 uint8_t clock_seq_hi_and_reserved;
55 uint8_t clock_seq_low;
56 uint8_t node[_UUID_NODE_LEN];
57 };
58
59 #ifdef _KERNEL
60
61 #define UUID_NODE_LEN _UUID_NODE_LEN
62 #define UUID_STR_LEN _UUID_STR_LEN
63
64 int uuid_snprintf(char *, size_t, const struct uuid *);
65 int uuid_printf(const struct uuid *);
66 void uuid_dec_be(const void *, struct uuid *);
67 void uuid_dec_le(const void *, struct uuid *);
68 void uuid_enc_be(void *, const struct uuid *);
69 void uuid_enc_le(void *, const struct uuid *);
70 int uuidgen(struct uuid *, int);
71
72 #else /* _KERNEL */
73
74 typedef struct uuid uuid_t;
75
76 __BEGIN_DECLS
77 int uuidgen(struct uuid *, int);
78 __END_DECLS
79
80 #endif /* _KERNEL */
81
82 #endif /* _SYS_UUID_H_ */
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