/* Convert between `struct stat' format, and `struct stat64' format.

   Copyright (C) 2000-2018 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 <errno.h>

#include <sys/stat.h>

static inline int

xstat64_conv (struct stat *buf, const struct stat64 *buf64)

{

  if (sizeof *buf == sizeof *buf64

      && sizeof buf->st_ino == sizeof buf64->st_ino

      && sizeof buf->st_size == sizeof buf64->st_size

      && sizeof buf->st_blocks == sizeof buf64->st_blocks)

    {

      *buf = *(struct stat *) buf64;

      return 0;

    }

  buf->st_fstype = buf64->st_fstype;

  buf->st_fsid = buf64->st_fsid;

  buf->st_ino = buf64->st_ino;

  buf->st_gen = buf64->st_gen;

  buf->st_rdev = buf64->st_rdev;

  buf->st_mode = buf64->st_mode;

  buf->st_nlink = buf64->st_nlink;

  buf->st_uid = buf64->st_uid;

  buf->st_gid = buf64->st_gid;

  buf->st_size = buf64->st_size;

  buf->st_atim = buf64->st_atim;

  buf->st_mtim = buf64->st_mtim;

  buf->st_ctim = buf64->st_ctim;

  buf->st_blksize = buf64->st_blksize;

  buf->st_blocks = buf64->st_blocks;

  buf->st_author = buf64->st_author;

  buf->st_flags = buf64->st_flags;

  if ((sizeof buf->st_ino != sizeof buf64->st_ino

       && buf->st_ino != buf64->st_ino)

      || (sizeof buf->st_size != sizeof buf64->st_size

	  && buf->st_size != buf64->st_size)

      || (sizeof buf->st_blocks != sizeof buf64->st_blocks

	  && buf->st_blocks != buf64->st_blocks))

    {

      __set_errno (EOVERFLOW);

      return -1;

    }

  return 0;

}