1 | /*
|
---|
2 | * unparse.c -- convert a UUID to string
|
---|
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 <stdio.h>
|
---|
36 |
|
---|
37 | #include "uuidP.h"
|
---|
38 |
|
---|
39 | static const char *fmt_lower =
|
---|
40 | "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x";
|
---|
41 |
|
---|
42 | static const char *fmt_upper =
|
---|
43 | "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X";
|
---|
44 |
|
---|
45 | #ifdef UUID_UNPARSE_DEFAULT_UPPER
|
---|
46 | #define FMT_DEFAULT fmt_upper
|
---|
47 | #else
|
---|
48 | #define FMT_DEFAULT fmt_lower
|
---|
49 | #endif
|
---|
50 |
|
---|
51 | static void uuid_unparse_x(const uuid_t uu, char *out, const char *fmt)
|
---|
52 | {
|
---|
53 | struct uuid uuid;
|
---|
54 |
|
---|
55 | uuid_unpack(uu, &uuid);
|
---|
56 | sprintf(out, fmt,
|
---|
57 | uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
|
---|
58 | uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
|
---|
59 | uuid.node[0], uuid.node[1], uuid.node[2],
|
---|
60 | uuid.node[3], uuid.node[4], uuid.node[5]);
|
---|
61 | }
|
---|
62 |
|
---|
63 | void uuid_unparse_lower(const uuid_t uu, char *out)
|
---|
64 | {
|
---|
65 | uuid_unparse_x(uu, out, fmt_lower);
|
---|
66 | }
|
---|
67 |
|
---|
68 | void uuid_unparse_upper(const uuid_t uu, char *out)
|
---|
69 | {
|
---|
70 | uuid_unparse_x(uu, out, fmt_upper);
|
---|
71 | }
|
---|
72 |
|
---|
73 | void uuid_unparse(const uuid_t uu, char *out)
|
---|
74 | {
|
---|
75 | uuid_unparse_x(uu, out, FMT_DEFAULT);
|
---|
76 | }
|
---|