glibc/login/getutline_r.c

46 lines
1.4 KiB
C

/* Copyright (C) 1996-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>
and Paul Janzen <pcj@primenet.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 <errno.h>
#include <libc-lock.h>
#include <utmp.h>
#include "utmp-private.h"
/* We have to use the lock in getutent_r.c. */
__libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
int
__getutline_r (const struct utmp *line, struct utmp *buffer,
struct utmp **result)
{
int retval;
__libc_lock_lock (__libc_utmp_lock);
retval = (*__libc_utmp_jump_table->getutline_r) (line, buffer, result);
__libc_lock_unlock (__libc_utmp_lock);
return retval;
}
weak_alias (__getutline_r, getutline_r)