LXR busybox/coreutils/whoami.c

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * Mini whoami implementation for busybox
   4 *
   5 * Copyright (C) 2000  Edward Betts <edward@debian.org>.
   6 *
   7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
   8 */
   9
  10/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
  11
  12#include "libbb.h"
  13
  14/* This is a NOFORK applet. Be very careful! */
  15
  16int whoami_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  17int whoami_main(int argc, char **argv UNUSED_PARAM)
  18{
  19        if (argc > 1)
  20                bb_show_usage();
  21
  22        /* Will complain and die if username not found */
  23        puts(xuid2uname(geteuid()));
  24
  25        return fflush(stdout);
  26}
  27