bytes.h

/*
 *      Copyright (C) 2005-2008 Team XBMC
 *      http://www.xbmc.org
 *      Copyright (C) 2008-2009 Andrej Stepanchuk
 *      Copyright (C) 2009-2010 Howard Chu
 *
 *  This file is part of librtmp.
 *
 *  librtmp 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,
 *  or (at your option) any later version.
 *
 *  librtmp 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with librtmp see the file COPYING.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 *  http://www.gnu.org/copyleft/lgpl.html
 */

#ifndef __BYTES_H__
#define __BYTES_H__

#include <stdint.h>

#ifdef _WIN32
/* Windows is little endian only */
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN    4321
#define __BYTE_ORDER __LITTLE_ENDIAN
#define __FLOAT_WORD_ORDER __BYTE_ORDER

typedef unsigned char uint8_t;

#else /* !_WIN32 */

#include <sys/param.h>

#if defined(BYTE_ORDER) && !defined(__BYTE_ORDER)
#define __BYTE_ORDER    BYTE_ORDER
#endif

#if defined(BIG_ENDIAN) && !defined(__BIG_ENDIAN)
#define __BIG_ENDIAN	BIG_ENDIAN
#endif

#if defined(LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN)
#define __LITTLE_ENDIAN	LITTLE_ENDIAN
#endif

#endif /* !_WIN32 */

/* define default endianness */
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN	1234
#endif

#ifndef __BIG_ENDIAN
#define __BIG_ENDIAN	4321
#endif

#ifndef __BYTE_ORDER
#warning "Byte order not defined on your system, assuming little endian!"
#define __BYTE_ORDER	__LITTLE_ENDIAN
#endif

/* ok, we assume to have the same float word order and byte order if float word order is not defined */
#ifndef __FLOAT_WORD_ORDER
#warning "Float word order not defined, assuming the same as byte order!"
#define __FLOAT_WORD_ORDER	__BYTE_ORDER
#endif

#if !defined(__BYTE_ORDER) || !defined(__FLOAT_WORD_ORDER)
#error "Undefined byte or float word order!"
#endif

#if __FLOAT_WORD_ORDER != __BIG_ENDIAN && __FLOAT_WORD_ORDER != __LITTLE_ENDIAN
#error "Unknown/unsupported float word order!"
#endif

#if __BYTE_ORDER != __BIG_ENDIAN && __BYTE_ORDER != __LITTLE_ENDIAN
#error "Unknown/unsupported byte order!"
#endif

#endif