uuidgen.c revision d9c56d3ca0bee11e3446ff7e12e3124d28e298a7 
1/*
2 * gen_uuid.c --- generate a DCE-compatible uuid
3 *
4 * Copyright (C) 1999, Andreas Dilger and Theodore Ts'o
5 *
6 * %Begin-Header%
7 * This file may be redistributed under the terms of the GNU Public
8 * License.
9 * %End-Header%
10 */
11
12#include <stdio.h>
13#ifdef HAVE_GETOPT_H
14#include <getopt.h>
15#endif
16#include "uuid/uuid.h"
17#include "nls-enable.h"
18
19#define DO_TYPE_TIME	1
20#define DO_TYPE_RANDOM	2
21
22void usage(const char *progname)
23{
24	fprintf(stderr, _("Usage: %s [-r] [-t]\n"), progname);
25	exit(1);
26}
27
28int
29main (int argc, char *argv[])
30{
31	int    c;
32	int    do_type = 0;
33	char   str[37];
34	uuid_t uu;
35
36	while ((c = getopt (argc, argv, "tr")) != EOF)
37		switch (c) {
38		case 't':
39			do_type = DO_TYPE_TIME;
40			break;
41		case 'r':
42			do_type = DO_TYPE_RANDOM;
43			break;
44		default:
45			usage(argv[0]);
46		}
47
48	switch (do_type) {
49	case DO_TYPE_TIME:
50		uuid_generate_time(uu);
51		break;
52	case DO_TYPE_RANDOM:
53		uuid_generate_random(uu);
54		break;
55	default:
56		uuid_generate(uu);
57		break;
58	}
59
60	uuid_unparse(uu, str);
61
62	printf("%s\n", str);
63
64	return 0;
65}
66