glibc/login/getutline.c

45 lines
1.4 KiB
C

/* Copyright (C) 1996, 1997, 1998, 2001, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
#include <utmp.h>
/* Local buffer to store the result. */
libc_freeres_ptr (static struct utmp *buffer);
struct utmp *
__getutline (const struct utmp *line)
{
struct utmp *result;
if (buffer == NULL)
{
buffer = (struct utmp *) malloc (sizeof (struct utmp));
if (buffer == NULL)
return NULL;
}
if (__getutline_r (line, buffer, &result) < 0)
return NULL;
return result;
}
weak_alias (__getutline, getutline)