/* Copyright (C) 1992, 1996, 1997, 2000, 2008 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, 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, and then writing down one digit for
   each byte, starting with the byte at the lowest address at the left,
   and proceeding to the byte with the highest address at the right.  */

#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

#if __BYTE_ORDER == __LITTLE_ENDIAN
# define __LONG_LONG_PAIR(HI, LO) LO, HI
#elif __BYTE_ORDER == __BIG_ENDIAN
# define __LONG_LONG_PAIR(HI, LO) HI, LO
#endif


#ifdef __USE_BSD
/* Conversion interfaces.  */
# include <bits/byteswap.h>

# if __BYTE_ORDER == __LITTLE_ENDIAN
#  define htobe16(x) __bswap_16 (x)
#  define htole16(x) (x)
#  define be16toh(x) __bswap_16 (x)
#  define le16toh(x) (x)

#  define htobe32(x) __bswap_32 (x)
#  define htole32(x) (x)
#  define be32toh(x) __bswap_32 (x)
#  define le32toh(x) (x)

#  define htobe64(x) __bswap_64 (x)
#  define htole64(x) (x)
#  define be64toh(x) __bswap_64 (x)
#  define le64toh(x) (x)
# else
#  define htobe16(x) (x)
#  define htole16(x) __bswap_16 (x)
#  define be16toh(x) (x)
#  define le16toh(x) __bswap_16 (x)

#  define htobe32(x) (x)
#  define htole32(x) __bswap_32 (x)
#  define be32toh(x) (x)
#  define le32toh(x) __bswap_32 (x)

#  define htobe64(x) (x)
#  define htole64(x) __bswap_64 (x)
#  define be64toh(x) (x)
#  define le64toh(x) __bswap_64 (x)
# endif
#endif

#endif        /* endian.h */