Commit | Line | Data |
---|---|---|
4acbfa2a | 1 | /* |
0f78b815 WD |
2 | * Print out the gids of all groups for the current user. This is like |
3 | * `id -G` on Linux, but it's too hard to find a portable equivalent. | |
4 | * | |
5 | * Copyright (C) 2002 Martin Pool | |
ba2133d6 | 6 | * Copyright (C) 2003-2007 Wayne Davison |
0f78b815 | 7 | * |
4acbfa2a | 8 | * This program is free software; you can redistribute it and/or modify |
ba2133d6 WD |
9 | * it under the terms of the GNU General Public License version 2 as |
10 | * published by the Free Software Foundation. | |
0f78b815 | 11 | * |
4acbfa2a MP |
12 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
0f78b815 | 16 | * |
e7c67065 WD |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. | |
4acbfa2a MP |
20 | */ |
21 | ||
4acbfa2a MP |
22 | #include "rsync.h" |
23 | ||
f69204ad WD |
24 | int |
25 | main(UNUSED(int argc), UNUSED(char *argv[])) | |
4acbfa2a MP |
26 | { |
27 | int n, i; | |
40ae4f93 | 28 | gid_t *list; |
670d8abf | 29 | gid_t gid = MY_GID(); |
58743a87 | 30 | int gid_in_list = 0; |
4acbfa2a | 31 | |
4f5b0756 | 32 | #ifdef HAVE_GETGROUPS |
40ae4f93 | 33 | if ((n = getgroups(0, NULL)) < 0) { |
4acbfa2a MP |
34 | perror("getgroups"); |
35 | return 1; | |
36 | } | |
1df395f7 WD |
37 | #else |
38 | n = 0; | |
39 | #endif | |
4acbfa2a | 40 | |
40ae4f93 WD |
41 | list = (gid_t*)malloc(sizeof (gid_t) * (n + 1)); |
42 | if (!list) { | |
43 | fprintf(stderr, "out of memory!\n"); | |
44 | exit(1); | |
45 | } | |
46 | ||
4f5b0756 | 47 | #ifdef HAVE_GETGROUPS |
40ae4f93 WD |
48 | if (n > 0) |
49 | n = getgroups(n, list); | |
50 | #endif | |
51 | ||
58743a87 | 52 | for (i = 0; i < n; i++) { |
f358487f | 53 | printf("%lu ", (unsigned long)list[i]); |
58743a87 WD |
54 | if (list[i] == gid) |
55 | gid_in_list = 1; | |
56 | } | |
57 | /* The default gid might not be in the list on some systems. */ | |
58 | if (!gid_in_list) | |
59 | printf("%lu", (unsigned long)gid); | |
4acbfa2a | 60 | printf("\n"); |
0f78b815 | 61 | |
4acbfa2a MP |
62 | return 0; |
63 | } |