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/*
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/*
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 * Copyright (c) 2008 Lukas Mejdrech
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 * Copyright (c) 2008 Lukas Mejdrech
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * are met:
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 *
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 *
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 * - Redistributions of source code must retain the above copyright
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *   derived from this software without specific prior written permission.
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 *
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/** @addtogroup net
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/** @addtogroup net
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 * @{
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 *  @{
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 */
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 */
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/** @file
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/** @file
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 *  Common error processing codes and routines.
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 */
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 */
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#ifndef __NET_ERR_H__
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#ifndef __NET_ERR_H__
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#define __NET_ERR_H__
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#define __NET_ERR_H__
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#include <errno.h>
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#include <errno.h>
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/** An actual stored error code.
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 */
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#define ERROR_CODE          error_check_return_value
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#define ERROR_CODE                  error_check_return_value
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/** An error processing routines declaration.
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 *  This has to be declared in the block where the error processing is desired.
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 */
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#define ERROR_DECLARE           int ERROR_CODE
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#define ERROR_DECLARE               int ERROR_CODE
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/** Stores the value as an error code and checks if an error occured.
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 *  @param value The value to be checked. May be a function call. Input parameter.
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 *  @returns FALSE if the value indicates success (EOK).
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 *  @returns TRUE otherwise.
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 */
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#define ERROR_OCCURED( value )      (( ERROR_CODE = ( value )) != EOK )
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#define ERROR_OCCURED( value )      (( ERROR_CODE = ( value )) != EOK )
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/** Checks if an error occured and immediatelly exits the actual function returning the error code.
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 *  @param value The value to be checked. May be a function call. Input parameter.
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 */
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#define ERROR_PROPAGATE( value )    if( ERROR_OCCURED( value )) return ERROR_CODE
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#define ERROR_PROPAGATE( value )    if( ERROR_OCCURED( value )) return ERROR_CODE
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */
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