uclibc-ng/include/endian.h

/* Copyright (C) 1992, 1996, 1997 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef	_ENDIAN_H
#define	_ENDIAN_H	1

#include <features.h>

/* Definitions for byte order, according to significance of bytes, from low
   addresses to high addresses.  The value is what you get by putting '4'
   in the most significant byte, '3' in the second most significant byte,
   '2' in the second least significant byte, and '1' in the least
   significant byte.  */

#define	__LITTLE_ENDIAN	1234
#define	__BIG_ENDIAN	4321
#define	__PDP_ENDIAN	3412

/* This file defines `__BYTE_ORDER' for the particular machine.  */
#include <bits/endian.h>

/* Some machines may need to use a different endianness for floating point
   values.  */
#ifndef __FLOAT_WORD_ORDER
# define __FLOAT_WORD_ORDER __BYTE_ORDER
#endif

#ifdef	__USE_BSD
# define LITTLE_ENDIAN	__LITTLE_ENDIAN
# define BIG_ENDIAN	__BIG_ENDIAN
# define PDP_ENDIAN	__PDP_ENDIAN
# define BYTE_ORDER	__BYTE_ORDER
#endif

#endif	/* endian.h */