1 | /*␊ |
2 | * Internal routine for unpacking UUID␊ |
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 | #include "libsaio.h"␊ |
36 | ␊ |
37 | void uuid_unpack(const uuid_t in, struct uuid *uu)␊ |
38 | {␊ |
39 | ␉const uint8_t␉*ptr = in;␊ |
40 | ␉uint32_t␉␉tmp;␊ |
41 | ␊ |
42 | ␉tmp = *ptr++;␊ |
43 | ␉tmp = (tmp << 8) | *ptr++;␊ |
44 | ␉tmp = (tmp << 8) | *ptr++;␊ |
45 | ␉tmp = (tmp << 8) | *ptr++;␊ |
46 | ␉uu->time_low = tmp;␊ |
47 | ␊ |
48 | ␉tmp = *ptr++;␊ |
49 | ␉tmp = (tmp << 8) | *ptr++;␊ |
50 | ␉uu->time_mid = tmp;␊ |
51 | ␉␊ |
52 | ␉tmp = *ptr++;␊ |
53 | ␉tmp = (tmp << 8) | *ptr++;␊ |
54 | ␉uu->time_hi_and_version = tmp;␊ |
55 | ␊ |
56 | ␉tmp = *ptr++;␊ |
57 | ␉tmp = (tmp << 8) | *ptr++;␊ |
58 | ␉uu->clock_seq = tmp;␊ |
59 | ␊ |
60 | ␉memcpy(uu->node, ptr, 6);␊ |
61 | }␊ |
62 | ␊ |
63 | |