whoami.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
/*
* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
* All Rights Reserved.
*/
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <locale.h>
#include <stdlib.h>
#define MSG "whoami: no login associated with uid %u.\n"
/*
* whoami
*/
struct passwd *getpwuid();
void
main()
{
register struct passwd *pp;
uid_t euid;
/* Set locale environment variables local definitions */
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST" /* Use this only if it wasn't */
#endif
(void) textdomain(TEXT_DOMAIN);
euid = geteuid();
pp = getpwuid(euid);
if (pp == 0) {
(void) printf(gettext(MSG), euid);
exit(1);
}
printf("%s\n", pp->pw_name);
exit(0);
/*NOTREACHED*/
}