view toys/other/whoami.c @ 1101:ccf4193167c3 draft

Make the patch -x option (only enabled with CONFIG_DEBUG) provide more information about why a patch didn't apply. (Offset of first nonmatching character at each line during seek phase.)
author Rob Landley <rob@landley.net>
date Thu, 31 Oct 2013 09:36:55 -0500
parents 786841fdb1e0
children
line wrap: on
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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);
}