1 /*
2  * uuid.h -- private header file for uuids
3  *
4  * Copyright (C) 1996, 1997 Theodore Ts'o.
5  *
6  * %Begin-Header%
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, and the entire permission notice in its entirety,
12  *    including the disclaimer of warranties.
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  * 3. The name of the author may not be used to endorse or promote
17  *    products derived from this software without specific prior
18  *    written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
21  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
23  * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
30  * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
31  * DAMAGE.
32  * %End-Header%
33  */
34 
35 #ifdef HAVE_INTTYPES_H
36 #include <inttypes.h>
37 #else
38 #include <uuid/uuid_types.h>
39 #endif
40 #include <sys/types.h>
41 
42 #include <uuid/uuid.h>
43 
44 /*
45  * Offset between 15-Oct-1582 and 1-Jan-70
46  */
47 #define TIME_OFFSET_HIGH 0x01B21DD2
48 #define TIME_OFFSET_LOW  0x13814000
49 
50 struct uuid {
51 	uint32_t	time_low;
52 	uint16_t	time_mid;
53 	uint16_t	time_hi_and_version;
54 	uint16_t	clock_seq;
55 	uint8_t	node[6];
56 };
57 
58 
59 /*
60  * prototypes
61  */
62 void uuid_pack(const struct uuid *uu, uuid_t ptr);
63 void uuid_unpack(const uuid_t in, struct uuid *uu);
64