File: getutline_r.c

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glibc 2.30-2
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/* Copyright (C) 1996-2019 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_getutline_r (line, buffer, result);

  __libc_lock_unlock (__libc_utmp_lock);

  return retval;
}
libc_hidden_def (__getutline_r)
weak_alias (__getutline_r, getutline_r)