/* Convert between `struct statfs' format, and `struct statfs64' format.

   Copyright (C) 2001-2018 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/statfs.h>

#include <errno.h>

static inline int

statfs64_conv (struct statfs *buf, const struct statfs64 *buf64)

{

# define DO(memb)							      \

  buf->memb = buf64->memb;						      \

  if (sizeof buf->memb != sizeof buf64->memb && buf->memb != buf64->memb)     \

    {									      \

      __set_errno (EOVERFLOW);						      \

      return -1;							      \

    }

  DO (f_type);

  DO (f_bsize);

  DO (f_blocks);

  DO (f_bfree);

  DO (f_bavail);

  DO (f_files);

  DO (f_fsid);

  DO (f_namelen);

  DO (f_favail);

  DO (f_frsize);

  DO (f_flag);

# undef DO

  return 0;

}