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
39void 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