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eb9cb8b7 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
82a3637f DG |
6 | * as published by the Free Software Foundation; only version 2 |
7 | * of the License. | |
eb9cb8b7 DG |
8 | * |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | */ | |
18 | ||
19 | #define _GNU_SOURCE | |
20 | #include <popt.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <sys/stat.h> | |
25 | #include <sys/types.h> | |
26 | #include <unistd.h> | |
3bd1e081 | 27 | #include <config.h> |
eb9cb8b7 | 28 | |
6e2d116c | 29 | #include "../cmd.h" |
eb9cb8b7 DG |
30 | |
31 | enum { | |
32 | OPT_HELP = 1, | |
33 | }; | |
34 | ||
35 | static struct poptOption long_options[] = { | |
36 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
37 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
38 | {0, 0, 0, 0, 0, 0, 0} | |
39 | }; | |
40 | ||
41 | /* | |
42 | * usage | |
43 | */ | |
44 | static void usage(FILE *ofp) | |
45 | { | |
46 | fprintf(ofp, "usage: lttng version\n"); | |
47 | fprintf(ofp, "\n"); | |
48 | fprintf(ofp, " -h, --help Show this help\n"); | |
49 | fprintf(ofp, "\n"); | |
50 | } | |
51 | ||
52 | /* | |
53 | * cmd_version | |
54 | */ | |
55 | int cmd_version(int argc, const char **argv) | |
56 | { | |
57 | int opt, ret = CMD_SUCCESS; | |
58 | static poptContext pc; | |
59 | ||
60 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
61 | poptReadDefaultConfig(pc, 0); | |
62 | ||
63 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
64 | switch (opt) { | |
65 | case OPT_HELP: | |
66 | usage(stderr); | |
67 | ret = CMD_SUCCESS; | |
68 | goto end; | |
69 | default: | |
70 | usage(stderr); | |
71 | ret = CMD_UNDEFINED; | |
72 | goto end; | |
73 | } | |
74 | } | |
75 | ||
76 | MSG("lttng version " VERSION); | |
77 | MSG("Web site: http://lttng.org/"); | |
78 | MSG("\nlttng is free software and under the GPL license."); | |
79 | ||
80 | end: | |
81 | return ret; | |
82 | } |