/* Copyright (C) 1996-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <string.h>

#include <sys/time.h>

#include <time.h>

#include <unistd.h>

#include <utmp.h>

void

logwtmp (const char *line, const char *name, const char *host)

{

  struct utmp ut;

  /* Set information in new entry.  */

  memset (&ut, 0, sizeof (ut));

#if _HAVE_UT_PID - 0

  ut.ut_pid = getpid ();

#endif

#if _HAVE_UT_TYPE - 0

  ut.ut_type = name[0] ? USER_PROCESS : DEAD_PROCESS;

#endif

  strncpy (ut.ut_line, line, sizeof ut.ut_line);

  strncpy (ut.ut_name, name, sizeof ut.ut_name);

#if _HAVE_UT_HOST - 0

  strncpy (ut.ut_host, host, sizeof ut.ut_host);

#endif

#if _HAVE_UT_TV - 0

  struct timeval tv;

  __gettimeofday (&tv, NULL);

  ut.ut_tv.tv_sec = tv.tv_sec;

  ut.ut_tv.tv_usec = tv.tv_usec;

#else

  ut.ut_time = time (NULL);

#endif

  updwtmp (_PATH_WTMP, &ut);

}