1 /*
2 * Internal routine for packing UUID's
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
uuid_pack(const struct uuid * uu,uuid_t ptr)38 void uuid_pack(const struct uuid *uu, uuid_t ptr)
39 {
40 uint32_t tmp;
41 unsigned char *out = ptr;
42
43 tmp = uu->time_low;
44 out[3] = (unsigned char) tmp;
45 tmp >>= 8;
46 out[2] = (unsigned char) tmp;
47 tmp >>= 8;
48 out[1] = (unsigned char) tmp;
49 tmp >>= 8;
50 out[0] = (unsigned char) tmp;
51
52 tmp = uu->time_mid;
53 out[5] = (unsigned char) tmp;
54 tmp >>= 8;
55 out[4] = (unsigned char) tmp;
56
57 tmp = uu->time_hi_and_version;
58 out[7] = (unsigned char) tmp;
59 tmp >>= 8;
60 out[6] = (unsigned char) tmp;
61
62 tmp = uu->clock_seq;
63 out[9] = (unsigned char) tmp;
64 tmp >>= 8;
65 out[8] = (unsigned char) tmp;
66
67 memcpy(out+10, uu->node, 6);
68 }
69
70