43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini whoami implementation for busybox
|
|
*
|
|
* Copyright (C) 2000 Edward Betts <edward@debian.org>.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include "busybox.h"
|
|
#include <stdio.h>
|
|
#include <pwd.h>
|
|
|
|
extern int whoami_main(int argc, char **argv)
|
|
{
|
|
char *user = xmalloc(9);
|
|
uid_t uid = geteuid();
|
|
|
|
if (argc > 1)
|
|
usage(whoami_usage);
|
|
|
|
my_getpwuid(user, uid);
|
|
if (user) {
|
|
puts(user);
|
|
exit(TRUE);
|
|
}
|
|
errorMsg("cannot find username for UID %u\n", (unsigned) uid);
|
|
return(FALSE);
|
|
}
|