28 lines
615 B
C
28 lines
615 B
C
/*
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* assert.h - diagnostics
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*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Id$ */
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#ifndef _ASSERT_H
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#define _ASSERT_H
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extern void __bad_assertion(const char *_mess);
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#undef assert
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#define __str(x) # x
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#define __xstr(x) __str(x)
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#if defined(NDEBUG)
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#define assert(ignore) ((void)0)
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#else
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#define assert(expr) ((expr)? (void)0 : \
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__bad_assertion("Assertion \"" #expr \
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"\" failed, file " __xstr(__FILE__) \
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", line " __xstr(__LINE__) "\n"))
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#endif /* NDEBUG */
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#endif
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