blob: b782b091a3e5c0e3e8cc06251682a6fc5693dd42 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*-------------------------------------------------------------------------
*
* pg_id.c--
* Print the user ID for the login name passed as argument,
* or the real user ID of the caller if no argument. If the
* login name doesn't exist, print "NOUSER" and exit 1.
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_id/Attic/pg_id.c,v 1.4 1997/09/07 04:54:46 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include <sys/types.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int
main(int argc, char **argv)
{
struct passwd *pw;
int ch;
extern int optind;
while ((ch = getopt(argc, argv, "")) != EOF)
switch (ch)
{
case '?':
default:
fprintf(stderr, "usage: pg_id [login]\n");
exit(1);
}
argc -= optind;
argv += optind;
if (argc > 0)
{
if (argc > 1)
{
fprintf(stderr, "usage: pg_id [login]\n");
exit(1);
}
if ((pw = getpwnam(argv[0])) == NULL)
{
printf("NOUSER\n");
exit(1);
}
printf("%ld\n", (long) pw->pw_uid);
}
else
{
printf("%ld\n", (long) getuid());
}
exit(0);
}
|
