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/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <>, 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
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <string.h>
#include <utmp.h>
#include <sys/time.h>
logout (const char *line)
struct utmp tmp;
struct utmp *ut;
int result = 0;
/* if (utmpname (_PATH_UTMP) == -1) return 0; - why?
* this makes it impossible for caller to use other file!
* Does any standard or historical precedent says this must be done? */
/* Open UTMP file. */
setutent ();
/* Fill in search information. */
#if _HAVE_UT_TYPE - 0
tmp.ut_type = USER_PROCESS;
strncpy (tmp.ut_line, line, sizeof tmp.ut_line);
/* Read the record. */
if ((ut = getutline(&tmp)) != NULL)
/* Clear information about who & from where. */
memset (ut->ut_name, 0, sizeof ut->ut_name);
#if _HAVE_UT_HOST - 0
memset (ut->ut_host, 0, sizeof ut->ut_host);
#if _HAVE_UT_TV - 0
# if !defined __WORDSIZE_COMPAT32 || __WORDSIZE_COMPAT32 == 0
gettimeofday (&ut->ut_tv, NULL);
# else
struct timeval tv;
gettimeofday (&tv, NULL);
ut->ut_tv.tv_sec = tv.tv_sec;
ut->ut_tv.tv_usec = tv.tv_usec;
# endif
time (&ut->ut_time);
#if _HAVE_UT_TYPE - 0
ut->ut_type = DEAD_PROCESS;
if (pututline (ut) != NULL)
result = 1;
/* Close UTMP file. */
endutent ();
return result;