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