blob: 217cfce5d7622758bd0eae75ad281cd84af73648
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Internal routine for packing UUID's |
4 | * |
5 | * Copyright (C) 1996, 1997 Theodore Ts'o. |
6 | * |
7 | * %Begin-Header% |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, and the entire permission notice in its entirety, |
13 | * including the disclaimer of warranties. |
14 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * notice, this list of conditions and the following disclaimer in the |
16 | * documentation and/or other materials provided with the distribution. |
17 | * 3. The name of the author may not be used to endorse or promote |
18 | * products derived from this software without specific prior |
19 | * written permission. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF |
24 | * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE |
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
27 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
28 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
29 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
31 | * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH |
32 | * DAMAGE. |
33 | * %End-Header% |
34 | */ |
35 | |
36 | #include <string.h> |
37 | #include "uuidP.h" |
38 | |
39 | void uuid_pack(const struct uuid *uu, uuid_t ptr) |
40 | { |
41 | uint32_t tmp; |
42 | unsigned char *out = ptr; |
43 | |
44 | tmp = uu->time_low; |
45 | out[3] = (unsigned char) tmp; |
46 | tmp >>= 8; |
47 | out[2] = (unsigned char) tmp; |
48 | tmp >>= 8; |
49 | out[1] = (unsigned char) tmp; |
50 | tmp >>= 8; |
51 | out[0] = (unsigned char) tmp; |
52 | |
53 | tmp = uu->time_mid; |
54 | out[5] = (unsigned char) tmp; |
55 | tmp >>= 8; |
56 | out[4] = (unsigned char) tmp; |
57 | |
58 | tmp = uu->time_hi_and_version; |
59 | out[7] = (unsigned char) tmp; |
60 | tmp >>= 8; |
61 | out[6] = (unsigned char) tmp; |
62 | |
63 | tmp = uu->clock_seq; |
64 | out[9] = (unsigned char) tmp; |
65 | tmp >>= 8; |
66 | out[8] = (unsigned char) tmp; |
67 | |
68 | memcpy(out+10, uu->node, 6); |
69 | } |
70 |