xref: /aosp_15_r20/external/e2fsprogs/lib/uuid/uuidP.h (revision 6a54128f25917bfc36a8a6e9d722c04a0b4641b6)
1*6a54128fSAndroid Build Coastguard Worker /*
2*6a54128fSAndroid Build Coastguard Worker  * uuid.h -- private header file for uuids
3*6a54128fSAndroid Build Coastguard Worker  *
4*6a54128fSAndroid Build Coastguard Worker  * Copyright (C) 1996, 1997 Theodore Ts'o.
5*6a54128fSAndroid Build Coastguard Worker  *
6*6a54128fSAndroid Build Coastguard Worker  * %Begin-Header%
7*6a54128fSAndroid Build Coastguard Worker  * Redistribution and use in source and binary forms, with or without
8*6a54128fSAndroid Build Coastguard Worker  * modification, are permitted provided that the following conditions
9*6a54128fSAndroid Build Coastguard Worker  * are met:
10*6a54128fSAndroid Build Coastguard Worker  * 1. Redistributions of source code must retain the above copyright
11*6a54128fSAndroid Build Coastguard Worker  *    notice, and the entire permission notice in its entirety,
12*6a54128fSAndroid Build Coastguard Worker  *    including the disclaimer of warranties.
13*6a54128fSAndroid Build Coastguard Worker  * 2. Redistributions in binary form must reproduce the above copyright
14*6a54128fSAndroid Build Coastguard Worker  *    notice, this list of conditions and the following disclaimer in the
15*6a54128fSAndroid Build Coastguard Worker  *    documentation and/or other materials provided with the distribution.
16*6a54128fSAndroid Build Coastguard Worker  * 3. The name of the author may not be used to endorse or promote
17*6a54128fSAndroid Build Coastguard Worker  *    products derived from this software without specific prior
18*6a54128fSAndroid Build Coastguard Worker  *    written permission.
19*6a54128fSAndroid Build Coastguard Worker  *
20*6a54128fSAndroid Build Coastguard Worker  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
21*6a54128fSAndroid Build Coastguard Worker  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22*6a54128fSAndroid Build Coastguard Worker  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
23*6a54128fSAndroid Build Coastguard Worker  * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
24*6a54128fSAndroid Build Coastguard Worker  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25*6a54128fSAndroid Build Coastguard Worker  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26*6a54128fSAndroid Build Coastguard Worker  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27*6a54128fSAndroid Build Coastguard Worker  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28*6a54128fSAndroid Build Coastguard Worker  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29*6a54128fSAndroid Build Coastguard Worker  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
30*6a54128fSAndroid Build Coastguard Worker  * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
31*6a54128fSAndroid Build Coastguard Worker  * DAMAGE.
32*6a54128fSAndroid Build Coastguard Worker  * %End-Header%
33*6a54128fSAndroid Build Coastguard Worker  */
34*6a54128fSAndroid Build Coastguard Worker 
35*6a54128fSAndroid Build Coastguard Worker #ifdef HAVE_INTTYPES_H
36*6a54128fSAndroid Build Coastguard Worker #include <inttypes.h>
37*6a54128fSAndroid Build Coastguard Worker #else
38*6a54128fSAndroid Build Coastguard Worker #include <uuid/uuid_types.h>
39*6a54128fSAndroid Build Coastguard Worker #endif
40*6a54128fSAndroid Build Coastguard Worker #include <sys/types.h>
41*6a54128fSAndroid Build Coastguard Worker 
42*6a54128fSAndroid Build Coastguard Worker #include <uuid/uuid.h>
43*6a54128fSAndroid Build Coastguard Worker 
44*6a54128fSAndroid Build Coastguard Worker /*
45*6a54128fSAndroid Build Coastguard Worker  * Offset between 15-Oct-1582 and 1-Jan-70
46*6a54128fSAndroid Build Coastguard Worker  */
47*6a54128fSAndroid Build Coastguard Worker #define TIME_OFFSET_HIGH 0x01B21DD2
48*6a54128fSAndroid Build Coastguard Worker #define TIME_OFFSET_LOW  0x13814000
49*6a54128fSAndroid Build Coastguard Worker 
50*6a54128fSAndroid Build Coastguard Worker struct uuid {
51*6a54128fSAndroid Build Coastguard Worker 	uint32_t	time_low;
52*6a54128fSAndroid Build Coastguard Worker 	uint16_t	time_mid;
53*6a54128fSAndroid Build Coastguard Worker 	uint16_t	time_hi_and_version;
54*6a54128fSAndroid Build Coastguard Worker 	uint16_t	clock_seq;
55*6a54128fSAndroid Build Coastguard Worker 	uint8_t	node[6];
56*6a54128fSAndroid Build Coastguard Worker };
57*6a54128fSAndroid Build Coastguard Worker 
58*6a54128fSAndroid Build Coastguard Worker #ifndef __GNUC_PREREQ
59*6a54128fSAndroid Build Coastguard Worker #if defined(__GNUC__) && defined(__GNUC_MINOR__)
60*6a54128fSAndroid Build Coastguard Worker #define __GNUC_PREREQ(maj, min) \
61*6a54128fSAndroid Build Coastguard Worker 	((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
62*6a54128fSAndroid Build Coastguard Worker #else
63*6a54128fSAndroid Build Coastguard Worker #define __GNUC_PREREQ(maj, min) 0
64*6a54128fSAndroid Build Coastguard Worker #endif
65*6a54128fSAndroid Build Coastguard Worker #endif
66*6a54128fSAndroid Build Coastguard Worker 
67*6a54128fSAndroid Build Coastguard Worker /*
68*6a54128fSAndroid Build Coastguard Worker  * prototypes
69*6a54128fSAndroid Build Coastguard Worker  */
70*6a54128fSAndroid Build Coastguard Worker void uuid_pack(const struct uuid *uu, uuid_t ptr);
71*6a54128fSAndroid Build Coastguard Worker void uuid_unpack(const uuid_t in, struct uuid *uu);
72