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parse.c

/*
 * parse.c --- UUID parsing
 * 
 * Copyright (C) 1996, 1997 Theodore Ts'o.
 *
 * %Begin-Header%
 * This file may be redistributed under the terms of the GNU Public
 * License.
 * %End-Header%
 */

#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>

#include "uuidP.h"

int uuid_parse(char *in, uuid_t uu)
{
      struct uuid uuid;
      int i;
      char *cp, buf[3];

      if (strlen(in) != 36)
            return -1;
      for (i=0, cp = in; i <= 36; i++,cp++) {
            if ((i == 8) || (i == 13) || (i == 18) ||
                (i == 23))
                  if (*cp == '-')
                        continue;
            if (i== 36)
                  if (*cp == 0)
                        continue;
            if (!isxdigit((guchar) *cp))
                  return -1;
      }
      uuid.time_low = strtoul(in, NULL, 16);
      uuid.time_mid = strtoul(in+9, NULL, 16);
      uuid.time_hi_and_version = strtoul(in+14, NULL, 16);
      uuid.clock_seq = strtoul(in+19, NULL, 16);
      cp = in+24;
      buf[2] = 0;
      for (i=0; i < 6; i++) {
            buf[0] = *cp++;
            buf[1] = *cp++;
            uuid.node[i] = strtoul(buf, NULL, 16);
      }
      
      uuid_pack(&uuid, uu);
      return 0;
}

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