Add new API call lttng_channel_set_default_attr
[lttng-tools.git] / lttng / commands / version.c
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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
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6 * as published by the Free Software Foundation; only version 2
7 * of the License.
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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"
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30
31enum {
32 OPT_HELP = 1,
33};
34
35static 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 */
44static 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 */
55int 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
80end:
81 return ret;
82}
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