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/*
* CaSU - communications & status utilities.
* Copyright (C) 1992, 1993, 1994 Luke Mewburn <lm@rmit.edu.au>
* incorporating:
* flon - lists your friends who are logged on.
* to - send a short message to a friend
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "casu.h"
static int fd = -1;
/*
* getutent - support for boxes that need it
*/
utmp_s *
getutent()
{
static utmp_s buf;
if (fd == -1)
{
fd = open(PATH_UTMP, O_RDONLY, 0);
if (fd == -1)
return NULL;
}
if (read(fd, &buf, sizeof(buf)) <= 0)
return NULL;
return &buf;
}
void
endutent()
{
close(fd);
}
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