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Commit | Line | Data |
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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 | |
af57b55b | 6 | * Copyright (C) 2003-2020 Wayne Davison |
0f78b815 | 7 | * |
4acbfa2a | 8 | * This program is free software; you can redistribute it and/or modify |
4fd842f9 | 9 | * it under the terms of the GNU General Public License version 3 as |
ba2133d6 | 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 | 17 | * You should have received a copy of the GNU General Public License along |
4fd842f9 | 18 | * with this program; if not, visit the http://fsf.org website. |
4acbfa2a MP |
19 | */ |
20 | ||
4acbfa2a MP |
21 | #include "rsync.h" |
22 | ||
11eb67ee | 23 | int main(UNUSED(int argc), UNUSED(char *argv[])) |
4acbfa2a MP |
24 | { |
25 | int n, i; | |
40ae4f93 | 26 | gid_t *list; |
670d8abf | 27 | gid_t gid = MY_GID(); |
58743a87 | 28 | int gid_in_list = 0; |
4acbfa2a | 29 | |
4f5b0756 | 30 | #ifdef HAVE_GETGROUPS |
40ae4f93 | 31 | if ((n = getgroups(0, NULL)) < 0) { |
4acbfa2a MP |
32 | perror("getgroups"); |
33 | return 1; | |
34 | } | |
1df395f7 WD |
35 | #else |
36 | n = 0; | |
37 | #endif | |
4acbfa2a | 38 | |
40ae4f93 WD |
39 | list = (gid_t*)malloc(sizeof (gid_t) * (n + 1)); |
40 | if (!list) { | |
41 | fprintf(stderr, "out of memory!\n"); | |
42 | exit(1); | |
43 | } | |
44 | ||
4f5b0756 | 45 | #ifdef HAVE_GETGROUPS |
40ae4f93 WD |
46 | if (n > 0) |
47 | n = getgroups(n, list); | |
48 | #endif | |
49 | ||
58743a87 | 50 | for (i = 0; i < n; i++) { |
f358487f | 51 | printf("%lu ", (unsigned long)list[i]); |
58743a87 WD |
52 | if (list[i] == gid) |
53 | gid_in_list = 1; | |
54 | } | |
55 | /* The default gid might not be in the list on some systems. */ | |
56 | if (!gid_in_list) | |
57 | printf("%lu", (unsigned long)gid); | |
4acbfa2a | 58 | printf("\n"); |
0f78b815 | 59 | |
4acbfa2a MP |
60 | return 0; |
61 | } |