1: /* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3:    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library is distributed in the hope that it will be useful,
   11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.  */
   19: 
   20: #include <string.h>
   21: #include <sys/time.h>
   22: #include <time.h>
   23: #include <unistd.h>
   24: #include <utmp.h>
   25: 
   26: 
   27: void
   28: logwtmp (const char *line, const char *name, const char *host)
   29: {
   30:   struct utmp ut;
   31: 
   32:   /* Set information in new entry.  */
   33:   memset (&ut, 0, sizeof (ut));
   34: #if _HAVE_UT_PID - 0
   35:   ut.ut_pid = getpid ();
   36: #endif
   37: #if _HAVE_UT_TYPE - 0
   38:   ut.ut_type = name[0] ? USER_PROCESS : DEAD_PROCESS;
   39: #endif
   40:   strncpy (ut.ut_line, line, sizeof ut.ut_line);
   41:   strncpy (ut.ut_name, name, sizeof ut.ut_name);
   42: #if _HAVE_UT_HOST - 0
   43:   strncpy (ut.ut_host, host, sizeof ut.ut_host);
   44: #endif
   45: 
   46: #if _HAVE_UT_TV - 0
   47:   struct timeval tv;
   48:   __gettimeofday (&tv, NULL);
   49:   ut.ut_tv.tv_sec = tv.tv_sec;
   50:   ut.ut_tv.tv_usec = tv.tv_usec;
   51: #else
   52:   ut.ut_time = time (NULL);
   53: #endif
   54: 
   55:   updwtmp (_PATH_WTMP, &ut);
   56: }