/src/util-linux/libuuid/src/pack.c
Line | Count | Source |
1 | | /* |
2 | | * Internal routine for packing 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 | | #include <string.h> |
36 | | #include "uuidP.h" |
37 | | |
38 | | void uuid_pack(const struct uuid *uu, uuid_t ptr) |
39 | 0 | { |
40 | 0 | uint32_t tmp; |
41 | 0 | unsigned char *out = ptr; |
42 | |
|
43 | 0 | tmp = uu->time_low; |
44 | 0 | out[3] = (unsigned char) tmp; |
45 | 0 | tmp >>= 8; |
46 | 0 | out[2] = (unsigned char) tmp; |
47 | 0 | tmp >>= 8; |
48 | 0 | out[1] = (unsigned char) tmp; |
49 | 0 | tmp >>= 8; |
50 | 0 | out[0] = (unsigned char) tmp; |
51 | |
|
52 | 0 | tmp = uu->time_mid; |
53 | 0 | out[5] = (unsigned char) tmp; |
54 | 0 | tmp >>= 8; |
55 | 0 | out[4] = (unsigned char) tmp; |
56 | |
|
57 | 0 | tmp = uu->time_hi_and_version; |
58 | 0 | out[7] = (unsigned char) tmp; |
59 | 0 | tmp >>= 8; |
60 | 0 | out[6] = (unsigned char) tmp; |
61 | |
|
62 | 0 | tmp = uu->clock_seq; |
63 | 0 | out[9] = (unsigned char) tmp; |
64 | 0 | tmp >>= 8; |
65 | 0 | out[8] = (unsigned char) tmp; |
66 | |
|
67 | 0 | memcpy(out+10, uu->node, 6); |
68 | 0 | } |
69 | | |