| // RUN: %clangxx -O0 -g %s -o %t && %run %t | |
| #include <stdlib.h> | |
| #include <unistd.h> | |
| #include <grp.h> | |
| int main(void) { | |
| gid_t *groups; | |
| gid_t nobody; | |
| int ngroups; | |
| ngroups = sysconf(_SC_NGROUPS_MAX); | |
| groups = (gid_t *)malloc(ngroups * sizeof(gid_t)); | |
| if (!groups) | |
| exit(1); | |
| if (gid_from_group("nobody", &nobody) == -1) | |
| exit(1); | |
| if (getgrouplist("nobody", nobody, groups, &ngroups)) | |
| exit(1); | |
| if (groups && ngroups) { | |
| free(groups); | |
| exit(0); | |
| } | |
| return -1; | |
| } |