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