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Diffstat (limited to 'e2fsprogs/uuid/unpack.c')
-rw-r--r-- | e2fsprogs/uuid/unpack.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/e2fsprogs/uuid/unpack.c b/e2fsprogs/uuid/unpack.c new file mode 100644 index 000000000..95d3aab4a --- /dev/null +++ b/e2fsprogs/uuid/unpack.c | |||
@@ -0,0 +1,63 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Internal routine for unpacking UUID | ||
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_unpack(const uuid_t in, struct uuid *uu) | ||
40 | { | ||
41 | const uint8_t *ptr = in; | ||
42 | uint32_t tmp; | ||
43 | |||
44 | tmp = *ptr++; | ||
45 | tmp = (tmp << 8) | *ptr++; | ||
46 | tmp = (tmp << 8) | *ptr++; | ||
47 | tmp = (tmp << 8) | *ptr++; | ||
48 | uu->time_low = tmp; | ||
49 | |||
50 | tmp = *ptr++; | ||
51 | tmp = (tmp << 8) | *ptr++; | ||
52 | uu->time_mid = tmp; | ||
53 | |||
54 | tmp = *ptr++; | ||
55 | tmp = (tmp << 8) | *ptr++; | ||
56 | uu->time_hi_and_version = tmp; | ||
57 | |||
58 | tmp = *ptr++; | ||
59 | tmp = (tmp << 8) | *ptr++; | ||
60 | uu->clock_seq = tmp; | ||
61 | |||
62 | memcpy(uu->node, ptr, 6); | ||
63 | } | ||