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_STDLIB_H
14 #include <stdlib.h>
15 #endif
16 #ifdef HAVE_GETOPT_H
17 #include <getopt.h>
18 #else
19 extern int getopt(int argc, char * const argv[], const char *optstring);
20 extern char *optarg;
21 extern int optind;
22 #endif
23 #include "uuid/uuid.h"
24 #include "nls-enable.h"
25 
26 #define DO_TYPE_TIME	1
27 #define DO_TYPE_RANDOM	2
28 
usage(const char * progname)29 static void usage(const char *progname)
30 {
31 	fprintf(stderr, _("Usage: %s [-r] [-t]\n"), progname);
32 	exit(1);
33 }
34 
35 int
main(int argc,char * argv[])36 main (int argc, char *argv[])
37 {
38 	int    c;
39 	int    do_type = 0;
40 	char   str[37];
41 	uuid_t uu;
42 
43 #ifdef ENABLE_NLS
44 	setlocale(LC_MESSAGES, "");
45 	setlocale(LC_CTYPE, "");
46 	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
47 	textdomain(NLS_CAT_NAME);
48 #endif
49 
50 	while ((c = getopt (argc, argv, "tr")) != EOF)
51 		switch (c) {
52 		case 't':
53 			do_type = DO_TYPE_TIME;
54 			break;
55 		case 'r':
56 			do_type = DO_TYPE_RANDOM;
57 			break;
58 		default:
59 			usage(argv[0]);
60 		}
61 
62 	switch (do_type) {
63 	case DO_TYPE_TIME:
64 		uuid_generate_time(uu);
65 		break;
66 	case DO_TYPE_RANDOM:
67 		uuid_generate_random(uu);
68 		break;
69 	default:
70 		uuid_generate(uu);
71 		break;
72 	}
73 
74 	uuid_unparse(uu, str);
75 
76 	printf("%s\n", str);
77 
78 	return 0;
79 }
80