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/*
* Copyright (c) 2002 Marcel Moolenaar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/endian.h>
#include <sys/uuid.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static void
usage(void)
{
(void)fprintf(stderr, "usage: uuidgen [-1] [-n count]\n");
exit(1);
}
static void
uuid_print(uuid_t *uuid)
{
printf("%08x-%04x-%04x-%02x%02x-", uuid->time_low, uuid->time_mid,
uuid->time_hi_and_version, uuid->clock_seq_hi_and_reserved,
uuid->clock_seq_low);
printf("%02x%02x%02x%02x%02x%02x\n", uuid->node[0], uuid->node[1],
uuid->node[2], uuid->node[3], uuid->node[4], uuid->node[5]);
}
int
main(int argc, char *argv[])
{
uuid_t *store, *uuid;
char *p;
int ch, count, i, iterate;
count = -1; /* no count yet */
iterate = 0; /* not one at a time */
while ((ch = getopt(argc, argv, "1n:")) != -1)
switch (ch) {
case '1':
iterate = 1;
break;
case 'n':
if (count > 0)
usage();
count = strtol(optarg, &p, 10);
if (*p != 0 || count < 1)
usage();
break;
default:
usage();
}
argv += optind;
argc -= optind;
if (argc)
usage();
if (count == -1)
count = 1;
store = (uuid_t*)malloc(sizeof(uuid_t) * count);
if (store == NULL)
err(1, "malloc()");
if (!iterate) {
/* Get them all in a single batch */
if (uuidgen(store, count) != 0)
err(1, "uuidgen()");
} else {
uuid = store;
for (i = 0; i < count; i++) {
if (uuidgen(uuid++, 1) != 0)
err(1, "uuidgen()");
}
}
uuid = store;
while (count--)
uuid_print(uuid++);
free(store);
return (0);
}
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