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80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
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* parse.c --- UUID parsing
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*
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* Copyright (C) 1996, 1997 Theodore Ts'o.
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*
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* %Begin-Header%
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, and the entire permission notice in its entirety,
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* including the disclaimer of warranties.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
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* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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* %End-Header%
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include "uuidP.h"
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int uuid_parse(const char *in, uuid_t uu)
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{
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struct uuid uuid;
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int i;
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const char *cp;
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char buf[3];
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if (strlen(in) != 36)
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return -1;
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for (i=0, cp = in; i <= 36; i++,cp++) {
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if ((i == 8) || (i == 13) || (i == 18) ||
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(i == 23)) {
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if (*cp == '-')
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continue;
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else
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return -1;
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}
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if (i== 36)
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if (*cp == 0)
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continue;
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if (!isxdigit(*cp))
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return -1;
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}
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uuid.time_low = strtoul(in, NULL, 16);
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uuid.time_mid = strtoul(in+9, NULL, 16);
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uuid.time_hi_and_version = strtoul(in+14, NULL, 16);
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uuid.clock_seq = strtoul(in+19, NULL, 16);
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cp = in+24;
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buf[2] = 0;
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for (i=0; i < 6; i++) {
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buf[0] = *cp++;
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buf[1] = *cp++;
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uuid.node[i] = strtoul(buf, NULL, 16);
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}
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uuid_pack(&uuid, uu);
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return 0;
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}
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