/* * Copyright (c) 2017 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * 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 * * */ /** * \file * Default definitions of C compiler quirk work-arounds. * \author Adam Dunkels <adam@dunkels.com> * * 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. */ #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 */ #ifndef MAX #define MAX(n, m) (((n) < (m)) ? (m) : (n)) #endif #ifndef MIN #define MIN(n, m) (((n) < (m)) ? (n) : (m)) #endif #ifndef ABS #define ABS(n) (((n) < 0) ? -(n) : (n)) #endif #define CC_CONCAT2(s1, s2) s1##s2 /** * A C preprocessing macro for concatenating two preprocessor tokens. * * 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) #define CC_CONCAT_EXT_2(s1, s2) CC_CONCAT2(s1, s2) /** * A C preprocessing macro for concatenating three preprocessor tokens. */ #define CC_CONCAT3(s1, s2, s3) s1##s2##s3 #define CC_CONCAT_EXT_3(s1, s2, s3) CC_CONCAT3(s1, s2, s3) #endif /* CC_H_ */