view toys/other/whoami.c @ 1193:f6f56a002d9a draft

Add /prefix netmask support to ifconfig, ala "ifconfig eth0 192.168.1.42/28"
author Rob Landley <rob@landley.net>
date Tue, 04 Feb 2014 06:13:13 -0600
parents 786841fdb1e0
children
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/* whoami.c - Print effective user name
 *
 * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org>

USE_WHOAMI(NEWTOY(whoami, NULL, TOYFLAG_USR|TOYFLAG_BIN))

config WHOAMI
  bool "whoami"
  default y
  help
    usage: whoami

    Print effective user name.
*/

#include "toys.h"

void whoami_main(void)
{
  struct passwd *pw = getpwuid(geteuid());

  if (!pw) {
    perror("getpwuid");
    toys.exitval = 1;
    return;
  }

  xputs(pw->pw_name);
}