1 | /* |
---|
2 | * parse.c --- UUID parsing |
---|
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 | #ifdef HAVE_CONFIG_H |
---|
36 | #include "config.h" |
---|
37 | #endif |
---|
38 | |
---|
39 | #include <stdlib.h> |
---|
40 | #include <stdio.h> |
---|
41 | #include <ctype.h> |
---|
42 | #include <string.h> |
---|
43 | |
---|
44 | #include "uuidP.h" |
---|
45 | |
---|
46 | int uuid_parse(const char *in, uuid_t uu) |
---|
47 | { |
---|
48 | struct uuid uuid; |
---|
49 | int i; |
---|
50 | const char *cp; |
---|
51 | char buf[3]; |
---|
52 | |
---|
53 | if (strlen(in) != 36) |
---|
54 | return -1; |
---|
55 | for (i=0, cp = in; i <= 36; i++,cp++) { |
---|
56 | if ((i == 8) || (i == 13) || (i == 18) || |
---|
57 | (i == 23)) { |
---|
58 | if (*cp == '-') |
---|
59 | continue; |
---|
60 | else |
---|
61 | return -1; |
---|
62 | } |
---|
63 | if (i== 36) |
---|
64 | if (*cp == 0) |
---|
65 | continue; |
---|
66 | if (!isxdigit((unsigned char)*cp)) |
---|
67 | return -1; |
---|
68 | } |
---|
69 | uuid.time_low = strtoul(in, NULL, 16); |
---|
70 | uuid.time_mid = strtoul(in+9, NULL, 16); |
---|
71 | uuid.time_hi_and_version = strtoul(in+14, NULL, 16); |
---|
72 | uuid.clock_seq = strtoul(in+19, NULL, 16); |
---|
73 | cp = in+24; |
---|
74 | buf[2] = 0; |
---|
75 | for (i=0; i < 6; i++) { |
---|
76 | buf[0] = *cp++; |
---|
77 | buf[1] = *cp++; |
---|
78 | uuid.node[i] = strtoul(buf, NULL, 16); |
---|
79 | } |
---|
80 | |
---|
81 | uuid_pack(&uuid, uu); |
---|
82 | return 0; |
---|
83 | } |
---|