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[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / alpha / fxstatat.c

/* Copyright (C) 2005-2015 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/>.  */

#define __fxstatat64 __fxstatat64_disable

#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <xstatconv.h>

#undef __fxstatat64

/* Get information about the file NAME in BUF.  */
int
__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
{
  INTERNAL_SYSCALL_DECL (err);
  int result, errno_out;

  /* ??? The __fxstatat entry point is new enough that it must be using
     vers == _STAT_VER_KERNEL64.  For the benefit of dl-fxstatat64.c, we
     cannot actually check this, lest the compiler not optimize the rest
     of the function away.  */

  result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, st, flag);
  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
    return result;
  errno_out = INTERNAL_SYSCALL_ERRNO (result, err);
  __set_errno (errno_out);
  return -1;
}
libc_hidden_def (__fxstatat)
strong_alias (__fxstatat, __fxstatat64);
libc_hidden_ver(__fxstatat, __fxstatat64);