[439959b] | 1 | /* |
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| 2 | * parse.c --- UUID parsing |
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| 3 | * |
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| 4 | * Copyright (C) 1996, 1997 Theodore Ts'o. |
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| 5 | * |
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| 6 | * %Begin-Header% |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, and the entire permission notice in its entirety, |
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| 12 | * including the disclaimer of warranties. |
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer in the |
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| 15 | * documentation and/or other materials provided with the distribution. |
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| 16 | * 3. The name of the author may not be used to endorse or promote |
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| 17 | * products derived from this software without specific prior |
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| 18 | * written permission. |
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| 19 | * |
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| 20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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| 21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 22 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF |
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| 23 | * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE |
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| 24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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| 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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| 27 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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| 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
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| 30 | * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH |
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| 31 | * DAMAGE. |
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| 32 | * %End-Header% |
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| 33 | */ |
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| 34 | |
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| 35 | #include "config.h" |
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| 36 | |
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| 37 | #include <stdlib.h> |
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| 38 | #include <stdio.h> |
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| 39 | #include <ctype.h> |
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| 40 | #include <string.h> |
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| 41 | |
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| 42 | #include "uuidP.h" |
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| 43 | |
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| 44 | int uuid_parse(const char *in, uuid_t uu) |
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| 45 | { |
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| 46 | struct uuid uuid; |
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| 47 | int i; |
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| 48 | const char *cp; |
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| 49 | char buf[3]; |
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| 50 | |
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| 51 | if (strlen(in) != 36) |
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| 52 | return -1; |
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| 53 | for (i=0, cp = in; i <= 36; i++,cp++) { |
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| 54 | if ((i == 8) || (i == 13) || (i == 18) || |
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| 55 | (i == 23)) { |
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| 56 | if (*cp == '-') |
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| 57 | continue; |
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| 58 | else |
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| 59 | return -1; |
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| 60 | } |
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| 61 | if (i== 36) |
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| 62 | if (*cp == 0) |
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| 63 | continue; |
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[bab5c5fa] | 64 | if (!isxdigit((unsigned char)*cp)) |
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[439959b] | 65 | return -1; |
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| 66 | } |
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| 67 | uuid.time_low = strtoul(in, NULL, 16); |
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| 68 | uuid.time_mid = strtoul(in+9, NULL, 16); |
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| 69 | uuid.time_hi_and_version = strtoul(in+14, NULL, 16); |
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| 70 | uuid.clock_seq = strtoul(in+19, NULL, 16); |
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| 71 | cp = in+24; |
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| 72 | buf[2] = 0; |
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| 73 | for (i=0; i < 6; i++) { |
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| 74 | buf[0] = *cp++; |
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| 75 | buf[1] = *cp++; |
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| 76 | uuid.node[i] = strtoul(buf, NULL, 16); |
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| 77 | } |
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| 78 | |
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| 79 | uuid_pack(&uuid, uu); |
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| 80 | return 0; |
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| 81 | } |
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