int
xgetgroups (char const *username, gid_t gid, gid_t **groups)
{
int result = mgetgroups (username, gid, groups);
if (result == -1 && errno == ENOMEM)
xalloc_die ();
return result;
}
/* Print all of the distinct groups the user is in. */
extern bool
print_group_list (const char *username,
uid_t ruid, gid_t rgid, gid_t egid,
bool use_names)
{
bool ok = true;
struct passwd *pwd;
pwd = getpwuid (ruid);
if (pwd == NULL)
ok = false;
if (!print_group (rgid, use_names))
ok = false;
if (egid != rgid)
{
putchar (' ');
if (!print_group (egid, use_names))
ok = false;
}
#if HAVE_GETGROUPS
{
GETGROUPS_T *groups;
int i;
int n_groups = mgetgroups (username, (pwd ? pwd->pw_gid : (gid_t) -1),
&groups);
if (n_groups < 0)
{
if (username)
{
error (0, errno, _("failed to get groups for user %s"),
quote (username));
}
else
{
error (0, errno, _("failed to get groups for the current process"));
}
return false;
}
for (i = 0; i < n_groups; i++)
if (groups[i] != rgid && groups[i] != egid)
{
putchar (' ');
if (!print_group (groups[i], use_names))
ok = false;
}
free (groups);
}
#endif /* HAVE_GETGROUPS */
return ok;
}
