/*
* Copyright (c) 2009 Lukas Mejdrech
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup net
* @{
*/
/** @file
* Host - network byte order manipulation functions.
*/
#ifndef __NET_BYTEORDER_H__
#define __NET_BYTEORDER_H__
#include <byteorder.h>
#include <sys/types.h>
#ifdef ARCH_IS_BIG_ENDIAN
// Already in the network byte order.
/** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ).
* @param number The number in the host byte order to be converted.
* @returns The number in the network byte order.
*/
#define htons( number ) ( number )
/** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ).
* @param number The number in the host byte order to be converted.
* @returns The number in the network byte order.
*/
#define htonl( number ) ( number )
/** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order.
* @param number The number in the network byte order to be converted.
* @returns The number in the host byte order.
*/
#define ntohs( number ) ( number )
/** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order.
* @param number The number in the network byte order to be converted.
* @returns The number in the host byte order.
*/
#define ntohl( number ) ( number )
#else
// Has to be swapped.
/** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ).
* @param number The number in the host byte order to be converted.
* @returns The number in the network byte order.
*/
#define htons( number ) uint16_t_byteorder_swap(( uint16_t )( number ))
/** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ).
* @param number The number in the host byte order to be converted.
* @returns The number in the network byte order.
*/
#define htonl( number ) uint32_t_byteorder_swap( number )
/** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order.
* @param number The number in the network byte order to be converted.
* @returns The number in the host byte order.
*/
#define ntohs( number ) uint16_t_byteorder_swap(( uint16_t )( number ))
/** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order.
* @param number The number in the network byte order to be converted.
* @returns The number in the host byte order.
*/
#define ntohl( number ) uint32_t_byteorder_swap( number )
#endif
#endif
/** @}
*/