glibc/grp/testgrp.c
1995-02-18 01:27:10 +00:00

46 lines
1.0 KiB
C

#include <ansidecl.h>
#include <grp.h>
#include <pwd.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
int
DEFUN_VOID(main)
{
uid_t me;
struct passwd *my_passwd;
struct group *my_group;
char **members;
me = getuid ();
my_passwd = getpwuid (me);
if (my_passwd == NULL)
perror ("getpwuid");
else
{
printf ("My login name is %s.\n", my_passwd->pw_name);
printf ("My uid is %d.\n", (int)(my_passwd->pw_uid));
printf ("My home directory is %s.\n", my_passwd->pw_dir);
printf ("My default shell is %s.\n", my_passwd->pw_shell);
my_group = getgrgid (my_passwd->pw_gid);
if (my_group == NULL)
perror ("getgrgid");
else
{
printf ("My default group is %s (%d).\n",
my_group->gr_name, (int)(my_passwd->pw_gid));
printf ("The members of this group are:\n");
for (members = my_group->gr_mem; *members != NULL; ++members)
printf (" %s\n", *members);
}
}
exit (my_passwd && my_group ? EXIT_SUCCESS : EXIT_FAILURE);
}