]>
Commit | Line | Data |
---|---|---|
d7ccca2e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
d7ccca2e LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
d7ccca2e | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
d7ccca2e LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <unistd.h> | |
23 | #include <stdlib.h> | |
984bf931 LP |
24 | #include <stdio.h> |
25 | #include <getopt.h> | |
26 | #include <errno.h> | |
d7ccca2e | 27 | |
b6e66135 | 28 | #include "machine-id-setup.h" |
d7ccca2e | 29 | #include "log.h" |
984bf931 LP |
30 | #include "build.h" |
31 | ||
32 | static int help(void) { | |
33 | ||
34 | printf("%s [OPTIONS...]\n\n" | |
35 | "Initialize /etc/machine-id from a random source.\n\n" | |
36 | " -h --help Show this help\n" | |
37 | " --version Show package version\n", | |
38 | program_invocation_short_name); | |
39 | ||
40 | return 0; | |
41 | } | |
42 | ||
43 | static int parse_argv(int argc, char *argv[]) { | |
44 | ||
45 | enum { | |
46 | ARG_VERSION = 0x100 | |
47 | }; | |
48 | ||
49 | static const struct option options[] = { | |
50 | { "help", no_argument, NULL, 'h' }, | |
51 | { "version", no_argument, NULL, ARG_VERSION }, | |
eb9da376 | 52 | {} |
984bf931 LP |
53 | }; |
54 | ||
55 | int c; | |
56 | ||
57 | assert(argc >= 0); | |
58 | assert(argv); | |
59 | ||
60 | while ((c = getopt_long(argc, argv, "hqcv", options, NULL)) >= 0) { | |
61 | ||
62 | switch (c) { | |
63 | ||
64 | case 'h': | |
eb9da376 | 65 | return help(); |
984bf931 LP |
66 | |
67 | case ARG_VERSION: | |
68 | puts(PACKAGE_STRING); | |
984bf931 LP |
69 | puts(SYSTEMD_FEATURES); |
70 | return 0; | |
71 | ||
72 | case '?': | |
73 | return -EINVAL; | |
74 | ||
75 | default: | |
eb9da376 | 76 | assert_not_reached("Unhandled option"); |
984bf931 LP |
77 | } |
78 | } | |
79 | ||
80 | if (optind < argc) { | |
81 | help(); | |
82 | return -EINVAL; | |
83 | } | |
84 | ||
85 | return 1; | |
86 | } | |
d7ccca2e LP |
87 | |
88 | int main(int argc, char *argv[]) { | |
984bf931 | 89 | int r; |
d7ccca2e | 90 | |
d7ccca2e LP |
91 | log_parse_environment(); |
92 | log_open(); | |
93 | ||
984bf931 LP |
94 | r = parse_argv(argc, argv); |
95 | if (r <= 0) | |
96 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
97 | ||
d7ccca2e LP |
98 | return machine_id_setup() < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
99 | } |