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eb9cb8b7 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
eb9cb8b7 DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
eb9cb8b7 DG |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
19 | #include <popt.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <sys/stat.h> | |
24 | #include <sys/types.h> | |
25 | #include <unistd.h> | |
3bd1e081 | 26 | #include <config.h> |
eb9cb8b7 | 27 | |
c399183f | 28 | #include "../command.h" |
eb9cb8b7 DG |
29 | |
30 | enum { | |
31 | OPT_HELP = 1, | |
679b4943 | 32 | OPT_LIST_OPTIONS, |
eb9cb8b7 DG |
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}, | |
679b4943 | 38 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
eb9cb8b7 DG |
39 | {0, 0, 0, 0, 0, 0, 0} |
40 | }; | |
41 | ||
42 | /* | |
43 | * usage | |
44 | */ | |
45 | static void usage(FILE *ofp) | |
46 | { | |
47 | fprintf(ofp, "usage: lttng version\n"); | |
48 | fprintf(ofp, "\n"); | |
49 | fprintf(ofp, " -h, --help Show this help\n"); | |
679b4943 | 50 | fprintf(ofp, " --list-options Simple listing of options\n"); |
eb9cb8b7 DG |
51 | fprintf(ofp, "\n"); |
52 | } | |
53 | ||
54 | /* | |
55 | * cmd_version | |
56 | */ | |
57 | int cmd_version(int argc, const char **argv) | |
58 | { | |
59 | int opt, ret = CMD_SUCCESS; | |
60 | static poptContext pc; | |
61 | ||
62 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
63 | poptReadDefaultConfig(pc, 0); | |
64 | ||
65 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
66 | switch (opt) { | |
67 | case OPT_HELP: | |
ca1c3607 | 68 | usage(stdout); |
eb9cb8b7 | 69 | goto end; |
679b4943 SM |
70 | case OPT_LIST_OPTIONS: |
71 | list_cmd_options(stdout, long_options); | |
679b4943 | 72 | goto end; |
eb9cb8b7 DG |
73 | default: |
74 | usage(stderr); | |
75 | ret = CMD_UNDEFINED; | |
76 | goto end; | |
77 | } | |
78 | } | |
79 | ||
0e4cbe7e | 80 | MSG("lttng version " VERSION " - " VERSION_NAME); |
eb9cb8b7 | 81 | MSG("Web site: http://lttng.org/"); |
0e4cbe7e | 82 | MSG("\nlttng is free software and under the GPL license and part LGPL"); |
eb9cb8b7 DG |
83 | |
84 | end: | |
ca1c3607 | 85 | poptFreeContext(pc); |
eb9cb8b7 DG |
86 | return ret; |
87 | } |