cassert.h

/*
 * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
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#ifndef __CASSERT_H__
#define __CASSERT_H__

/*******************************************************************************
 * Macro to flag a compile time assertion. It uses the preprocessor to generate
 * an invalid C construct if 'cond' evaluates to false.
 * The following compilation error is triggered if the assertion fails:
 * "error: size of array 'msg' is negative"
 * The 'unused' attribute ensures that the unused typedef does not emit a
 * compiler warning.
 ******************************************************************************/
#define CASSERT(cond, msg)	\
	typedef char msg[(cond) ? 1 : -1] __unused

#endif /* __CASSERT_H__ */