/*
* 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
* Common error processing codes and routines.
*/
#ifndef __NET_ERR_H__
#define __NET_ERR_H__
#include <errno.h>
/** An actual stored error code.
*/
#define ERROR_CODE error_check_return_value
/** An error processing routines declaration.
* This has to be declared in the block where the error processing is desired.
*/
#define ERROR_DECLARE int ERROR_CODE
/** Stores the value as an error code and checks if an error occurred.
* @param value The value to be checked. May be a function call. Input parameter.
* @returns FALSE if the value indicates success (EOK).
* @returns TRUE otherwise.
*/
#define ERROR_OCCURRED( value ) (( ERROR_CODE = ( value )) != EOK )
/** Checks if an error occurred and immediately exits the actual function returning the error code.
* @param value The value to be checked. May be a function call. Input parameter.
*/
#define ERROR_PROPAGATE( value ) if( ERROR_OCCURRED( value )) return ERROR_CODE
#endif
/** @}
*/