69 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2008-2012 Juli Mallett. All rights reserved.
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|  *
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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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|  * are met:
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|  * 1. 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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|  * 2. 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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|  *    documentation and/or other materials provided with the distribution.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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|  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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|  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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|  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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|  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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|  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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|  * SUCH DAMAGE.
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|  */
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| 
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| #ifndef	COMMON_DEBUG_H
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| #define	COMMON_DEBUG_H
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| 
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| #if defined(NDEBUG)
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| #define	ASSERT(log, p)							\
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| 	do {								\
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| 		if (false)						\
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| 			(void)(p);					\
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| 	} while (0)
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| #else
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| #define	ASSERT(log, p)							\
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| 	do {								\
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| 		if (!(p)) {						\
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| 			HALT((log)) << "Assertion (" << #p <<		\
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| 					") failed at "			\
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| 					<< __FILE__ << ':' << __LINE__	\
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| 					<< " in function " 		\
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| 					<< __PRETTY_FUNCTION__		\
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| 					<< '.';				\
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| 			for (;;)					\
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| 				abort();				\
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| 		}							\
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| 	} while (0)
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| #endif
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| 
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| /*
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|  * XXX
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|  * Newer GCCs are horribly broken and seem to have become unable to detect
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|  * that HALT(x) << bar will prevent a function ever returning.  We add the
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|  * infinite loop here to help.
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|  */
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| #if defined(NDEBUG)
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| #define	NOTREACHED(log)							\
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| 	abort()
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| #else
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| #define	NOTREACHED(log)							\
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| 	do {								\
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| 		ASSERT(log, "Should not be reached." == NULL);		\
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| 		for (;;)						\
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| 			abort();					\
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| 	} while (0)
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| #endif
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| 
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| #endif /* !COMMON_DEBUG_H */
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