paul@181 | 1 | /* |
paul@181 | 2 | * parse.c --- UUID parsing |
paul@181 | 3 | * |
paul@181 | 4 | * Copyright (C) 1996, 1997 Theodore Ts'o. |
paul@181 | 5 | * |
paul@181 | 6 | * %Begin-Header% |
paul@181 | 7 | * Redistribution and use in source and binary forms, with or without |
paul@181 | 8 | * modification, are permitted provided that the following conditions |
paul@181 | 9 | * are met: |
paul@181 | 10 | * 1. Redistributions of source code must retain the above copyright |
paul@181 | 11 | * notice, and the entire permission notice in its entirety, |
paul@181 | 12 | * including the disclaimer of warranties. |
paul@181 | 13 | * 2. Redistributions in binary form must reproduce the above copyright |
paul@181 | 14 | * notice, this list of conditions and the following disclaimer in the |
paul@181 | 15 | * documentation and/or other materials provided with the distribution. |
paul@181 | 16 | * 3. The name of the author may not be used to endorse or promote |
paul@181 | 17 | * products derived from this software without specific prior |
paul@181 | 18 | * written permission. |
paul@181 | 19 | * |
paul@181 | 20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
paul@181 | 21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
paul@181 | 22 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF |
paul@181 | 23 | * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE |
paul@181 | 24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
paul@181 | 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
paul@181 | 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
paul@181 | 27 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
paul@181 | 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
paul@181 | 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
paul@181 | 30 | * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH |
paul@181 | 31 | * DAMAGE. |
paul@181 | 32 | * %End-Header% |
paul@181 | 33 | */ |
paul@181 | 34 | |
paul@181 | 35 | #include "config.h" |
paul@181 | 36 | #include <stdlib.h> |
paul@181 | 37 | #include <stdio.h> |
paul@181 | 38 | #include <ctype.h> |
paul@181 | 39 | #include <string.h> |
paul@181 | 40 | |
paul@181 | 41 | #include "uuidP.h" |
paul@181 | 42 | |
paul@181 | 43 | int uuid_parse(const char *in, uuid_t uu) |
paul@181 | 44 | { |
paul@181 | 45 | struct uuid uuid; |
paul@181 | 46 | int i; |
paul@181 | 47 | const char *cp; |
paul@181 | 48 | char buf[3]; |
paul@181 | 49 | |
paul@181 | 50 | if (strlen(in) != 36) |
paul@181 | 51 | return -1; |
paul@181 | 52 | for (i=0, cp = in; i <= 36; i++,cp++) { |
paul@181 | 53 | if ((i == 8) || (i == 13) || (i == 18) || |
paul@181 | 54 | (i == 23)) { |
paul@181 | 55 | if (*cp == '-') |
paul@181 | 56 | continue; |
paul@181 | 57 | else |
paul@181 | 58 | return -1; |
paul@181 | 59 | } |
paul@181 | 60 | if (i== 36) |
paul@181 | 61 | if (*cp == 0) |
paul@181 | 62 | continue; |
paul@181 | 63 | if (!isxdigit(*cp)) |
paul@181 | 64 | return -1; |
paul@181 | 65 | } |
paul@181 | 66 | uuid.time_low = strtoul(in, NULL, 16); |
paul@181 | 67 | uuid.time_mid = strtoul(in+9, NULL, 16); |
paul@181 | 68 | uuid.time_hi_and_version = strtoul(in+14, NULL, 16); |
paul@181 | 69 | uuid.clock_seq = strtoul(in+19, NULL, 16); |
paul@181 | 70 | cp = in+24; |
paul@181 | 71 | buf[2] = 0; |
paul@181 | 72 | for (i=0; i < 6; i++) { |
paul@181 | 73 | buf[0] = *cp++; |
paul@181 | 74 | buf[1] = *cp++; |
paul@181 | 75 | uuid.node[i] = strtoul(buf, NULL, 16); |
paul@181 | 76 | } |
paul@181 | 77 | |
paul@181 | 78 | uuid_pack(&uuid, uu); |
paul@181 | 79 | return 0; |
paul@181 | 80 | } |