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cc.h
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/**
* \file
* Default definitions of C compiler quirk work-arounds.
* \author Adam Dunkels <[email protected]>
*
* This file is used for making use of extra functionality of some C
* compilers used for Contiki, and defining work-arounds for various
* quirks and problems with some other C compilers.
*/
/*
* Copyright (c) 2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. 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.
*
* This file is part of the Contiki desktop OS
*
*
*/
#ifndef CC_H_
#define CC_H_
#include "contiki-conf.h"
/**
* Configure if the C compiler supports the "register" keyword for
* function arguments.
*/
#if CC_CONF_REGISTER_ARGS
#define CC_REGISTER_ARG register
#else /* CC_CONF_REGISTER_ARGS */
#define CC_REGISTER_ARG
#endif /* CC_CONF_REGISTER_ARGS */
/**
* Configure if the C compiler supports the arguments for function
* pointers.
*/
#if CC_CONF_FUNCTION_POINTER_ARGS
#define CC_FUNCTION_POINTER_ARGS 1
#else /* CC_CONF_FUNCTION_POINTER_ARGS */
#define CC_FUNCTION_POINTER_ARGS 0
#endif /* CC_CONF_FUNCTION_POINTER_ARGS */
/**
* Configure if the C compiler supports fastcall function
* declarations.
*/
#ifdef CC_CONF_FASTCALL
#define CC_FASTCALL CC_CONF_FASTCALL
#else /* CC_CONF_FASTCALL */
#define CC_FASTCALL
#endif /* CC_CONF_FASTCALL */
/**
* Configure if the C compiler have problems with const function pointers
*/
#ifdef CC_CONF_CONST_FUNCTION_BUG
#define CC_CONST_FUNCTION
#else /* CC_CONF_FASTCALL */
#define CC_CONST_FUNCTION const
#endif /* CC_CONF_FASTCALL */
/**
* Configure work-around for unsigned char bugs with sdcc.
*/
#if CC_CONF_UNSIGNED_CHAR_BUGS
#define CC_UNSIGNED_CHAR_BUGS 1
#else /* CC_CONF_UNSIGNED_CHAR_BUGS */
#define CC_UNSIGNED_CHAR_BUGS 0
#endif /* CC_CONF_UNSIGNED_CHAR_BUGS */
/**
* Configure if C compiler supports double hash marks in C macros.
*/
#if CC_CONF_DOUBLE_HASH
#define CC_DOUBLE_HASH 1
#else /* CC_CONF_DOUBLE_HASH */
#define CC_DOUBLE_HASH 0
#endif /* CC_CONF_DOUBLE_HASH */
#ifdef CC_CONF_INLINE
#define CC_INLINE CC_CONF_INLINE
#else /* CC_CONF_INLINE */
#define CC_INLINE
#endif /* CC_CONF_INLINE */
/**
* Configure if the C compiler supports the assignment of struct value.
*/
#ifdef CC_CONF_ASSIGN_AGGREGATE
#define CC_ASSIGN_AGGREGATE(dest, src) CC_CONF_ASSIGN_AGGREGATE(dest, src)
#else /* CC_CONF_ASSIGN_AGGREGATE */
#define CC_ASSIGN_AGGREGATE(dest, src) *dest = *src
#endif /* CC_CONF_ASSIGN_AGGREGATE */
#if CC_CONF_NO_VA_ARGS
#define CC_NO_VA_ARGS CC_CONF_VA_ARGS
#endif
#ifndef NULL
#define NULL 0
#endif /* NULL */
#define CC_CONCAT2(s1, s2) s1##s2
/**
* A C preprocessing macro for concatenating to
* strings.
*
* We need use two macros (CC_CONCAT and CC_CONCAT2) in order to allow
* concatenation of two #defined macros.
*/
#define CC_CONCAT(s1, s2) CC_CONCAT2(s1, s2)
#endif /* CC_H_ */