/* Get file-specific information about descriptor FD.  Linux version.

   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 <fcntl.h>

#include "pathconf.h"

static long int posix_fpathconf (int fd, int name);

/* Define this first, so it can be inlined.  */

#define __fpathconf static posix_fpathconf

#include <sysdeps/posix/fpathconf.c>

/* Get file-specific information about descriptor FD.  */

long int

__fpathconf (int fd, int name)

{

  struct statfs fsbuf;

  switch (name)

    {

    case _PC_LINK_MAX:

      return __statfs_link_max (__fstatfs (fd, &fsbuf), &fsbuf, NULL, fd);

    case _PC_FILESIZEBITS:

      return __statfs_filesize_max (__fstatfs (fd, &fsbuf), &fsbuf);

    case _PC_2_SYMLINKS:

      return __statfs_symlinks (__fstatfs (fd, &fsbuf), &fsbuf);

    case _PC_CHOWN_RESTRICTED:

      return __statfs_chown_restricted (__fstatfs (fd, &fsbuf), &fsbuf);

    default:

      return posix_fpathconf (fd, name);

    }

}