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4acbfa2a MP |
1 | /* |
2 | * Copyright (C) 2002 by Martin Pool | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
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., 675 Mass Ave, Cambridge, MA 02139, USA. | |
17 | */ | |
18 | ||
19 | /** | |
20 | * @file getgroups.c | |
21 | * | |
22 | * Print out the gids of all groups for the current user. This is | |
23 | * like `id -G` on Linux, but it's too hard to find a portable | |
24 | * equivalent. | |
25 | **/ | |
26 | ||
27 | #include "rsync.h" | |
28 | ||
12b159ac MP |
29 | #ifndef NGROUPS |
30 | /* It ought to be defined, but just in case. */ | |
31 | # define NGROUPS 32 | |
32 | #endif | |
33 | ||
4acbfa2a MP |
34 | int main(int argc, char *argv[]) |
35 | { | |
36 | int n, i; | |
37 | gid_t list[NGROUPS]; | |
38 | ||
39 | if ((n = getgroups(NGROUPS, list)) == -1) { | |
40 | perror("getgroups"); | |
41 | return 1; | |
42 | } | |
43 | ||
44 | for (i = 0; i < n; i++) | |
45 | printf("%u ", list[i]); | |
46 | printf("\n"); | |
47 | ||
48 | return 0; | |
49 | } |