blob: 9a3f9cb9219aa47d9600dbb5f4759cca7cacb3c9
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * parse.c --- UUID parsing |
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 <stdlib.h> |
37 | #include <stdio.h> |
38 | #include <ctype.h> |
39 | #include <string.h> |
40 | |
41 | #include "uuidP.h" |
42 | |
43 | int uuid_parse(const char *in, uuid_t uu) |
44 | { |
45 | struct uuid uuid; |
46 | int i; |
47 | const char *cp; |
48 | char buf[3]; |
49 | |
50 | if (strlen(in) != 36) |
51 | return -1; |
52 | for (i=0, cp = in; i <= 36; i++,cp++) { |
53 | if ((i == 8) || (i == 13) || (i == 18) || |
54 | (i == 23)) { |
55 | if (*cp == '-') |
56 | continue; |
57 | else |
58 | return -1; |
59 | } |
60 | if (i== 36) |
61 | if (*cp == 0) |
62 | continue; |
63 | if (!isxdigit(*cp)) |
64 | return -1; |
65 | } |
66 | uuid.time_low = strtoul(in, NULL, 16); |
67 | uuid.time_mid = strtoul(in+9, NULL, 16); |
68 | uuid.time_hi_and_version = strtoul(in+14, NULL, 16); |
69 | uuid.clock_seq = strtoul(in+19, NULL, 16); |
70 | cp = in+24; |
71 | buf[2] = 0; |
72 | for (i=0; i < 6; i++) { |
73 | buf[0] = *cp++; |
74 | buf[1] = *cp++; |
75 | uuid.node[i] = strtoul(buf, NULL, 16); |
76 | } |
77 | |
78 | uuid_pack(&uuid, uu); |
79 | return 0; |
80 | } |
81 |