Function print_stuff

src/id.c:430–463

/* Print information about the user based on the arguments passed. */

static void
print_stuff (char const *pw_name)
{
  if (just_user)
      print_user (use_real ? ruid : euid);

  /* print_group and print_group_list return true on successful
     execution but false if something goes wrong. We then AND this value with
     the current value of 'ok' because we want to know if one of the previous
     users faced a problem in these functions. This value of 'ok' is later used
     to understand what status program should exit with. */
  else if (just_group)
    ok &= print_group (use_real ? rgid : egid, use_name);
  else if (just_group_list)
    ok &= print_group_list (pw_name, ruid, rgid, egid,
                            use_name, opt_zero ? '\0' : ' ');
  else if (just_context)
    fputs (context, stdout);
  else
    print_full_info (pw_name);

  /* When printing records for more than 1 user, at the end of groups
     of each user terminate the record with two consequent NUL characters
     to make parsing and distinguishing between two records possible. */
  if (opt_zero && just_group_list && multiple_users)
    {
      putchar ('\0');
      putchar ('\0');
    }
  else
    {
      putchar (opt_zero ? '\0' : '\n');
    }
}