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Commit | Line | Data |
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28f540f4 RM |
1 | #include <grp.h> |
2 | #include <pwd.h> | |
3 | #include <sys/types.h> | |
4 | #include <unistd.h> | |
5 | #include <stdlib.h> | |
6 | #include <stdio.h> | |
7 | ||
8 | int | |
46ec036d | 9 | main (int argc, char *argv[]) |
28f540f4 RM |
10 | { |
11 | uid_t me; | |
12 | struct passwd *my_passwd; | |
ba1ffaa1 | 13 | struct group *my_group = NULL; |
28f540f4 RM |
14 | char **members; |
15 | ||
16 | me = getuid (); | |
17 | my_passwd = getpwuid (me); | |
18 | if (my_passwd == NULL) | |
46ec036d | 19 | printf ("Cannot find user entry for UID %d\n", me); |
28f540f4 RM |
20 | else |
21 | { | |
22 | printf ("My login name is %s.\n", my_passwd->pw_name); | |
23 | printf ("My uid is %d.\n", (int)(my_passwd->pw_uid)); | |
24 | printf ("My home directory is %s.\n", my_passwd->pw_dir); | |
25 | printf ("My default shell is %s.\n", my_passwd->pw_shell); | |
26 | ||
27 | my_group = getgrgid (my_passwd->pw_gid); | |
28 | if (my_group == NULL) | |
46ec036d | 29 | printf ("No data for group %d found\n", my_passwd->pw_gid); |
28f540f4 RM |
30 | else |
31 | { | |
32 | printf ("My default group is %s (%d).\n", | |
33 | my_group->gr_name, (int)(my_passwd->pw_gid)); | |
34 | printf ("The members of this group are:\n"); | |
35 | for (members = my_group->gr_mem; *members != NULL; ++members) | |
36 | printf (" %s\n", *members); | |
37 | } | |
38 | } | |
39 | ||
bf4de8f3 | 40 | return my_passwd && my_group ? EXIT_SUCCESS : EXIT_FAILURE; |
28f540f4 | 41 | } |