| 1 | // RUN: %clangxx -O0 -g %s -o %t && %run %t |
|---|---|
| 2 | |
| 3 | #include <stdlib.h> |
| 4 | #include <unistd.h> |
| 5 | #include <grp.h> |
| 6 | |
| 7 | int main(void) { |
| 8 | gid_t *groups; |
| 9 | group *root; |
| 10 | int ngroups; |
| 11 | |
| 12 | ngroups = sysconf(_SC_NGROUPS_MAX); |
| 13 | groups = (gid_t *)malloc(size: ngroups * sizeof(gid_t)); |
| 14 | if (!groups) |
| 15 | exit(status: 1); |
| 16 | |
| 17 | if (!(root = getgrnam(name: "root"))) |
| 18 | exit(status: 2); |
| 19 | |
| 20 | if (getgrouplist(user: "root", group: root->gr_gid, groups: groups, ngroups: &ngroups) == -1) |
| 21 | exit(status: 3); |
| 22 | |
| 23 | if (groups && ngroups) { |
| 24 | free(ptr: groups); |
| 25 | exit(status: 0); |
| 26 | } |
| 27 | |
| 28 | return -1; |
| 29 | } |
| 30 |