/* Linux open syscall implementation, LFS.

   Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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 <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <stdarg.h>

#include <sysdep-cancel.h>

#ifdef __OFF_T_MATCHES_OFF64_T

# define EXTRA_OPEN_FLAGS 0

#else

# define EXTRA_OPEN_FLAGS O_LARGEFILE

#endif

/* Open FILE with access OFLAG.  If O_CREAT or O_TMPFILE is in OFLAG,

   a third argument is the file protection.  */

int

__libc_open64 (const char *file, int oflag, ...)

{

  int mode = 0;

  if (__OPEN_NEEDS_MODE (oflag))

    {

      va_list arg;

      va_start (arg, oflag);

      mode = va_arg (arg, int);

      va_end (arg);

    }

  return SYSCALL_CANCEL (openat, AT_FDCWD, file, oflag | EXTRA_OPEN_FLAGS,

			 mode);

}

strong_alias (__libc_open64, __open64)

libc_hidden_weak (__open64)

weak_alias (__libc_open64, open64)

#ifdef __OFF_T_MATCHES_OFF64_T

strong_alias (__libc_open64, __libc_open)

strong_alias (__libc_open64, __open)

libc_hidden_weak (__open)

weak_alias (__libc_open64, open)

#endif