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phoenix |
/* Copyright (C) 1991,1992,1994-1999,2000,2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/*
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* ISO C99 Standard: 7.2 Diagnostics <assert.h>
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*/
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#ifndef __ASSERT_H
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#define __ASSERT_H
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#include <features.h>
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/* If NDEBUG is defined, do nothing.
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If not, and EXPRESSION is zero, print an error message and abort. */
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#ifdef NDEBUG
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#define assert(expr) ((void) 0)
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#else /* Not NDEBUG. */
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__BEGIN_DECLS
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extern void __assert __P((const char *, const char *, int, const char *));
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__END_DECLS
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#define assert(expr) \
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((void) ((expr) || \
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(__assert (__STRING(expr), \
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__FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
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/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
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which contains the name of the function currently being defined.
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# define __ASSERT_FUNCTION __PRETTY_FUNCTION__
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This is broken in G++ before version 2.6.
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C9x has a similar variable called __func__, but prefer the GCC one since
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it demangles C++ function names. */
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# ifdef __GNUC__
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# if __GNUC__ > 2 || (__GNUC__ == 2 \
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&& __GNUC_MINOR__ >= (defined __cplusplus ? 6 : 4))
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# define __ASSERT_FUNCTION __PRETTY_FUNCTION__
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# else
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# define __ASSERT_FUNCTION ((__const char *) 0)
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# endif
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# else
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# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
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# define __ASSERT_FUNCTION __func__
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# else
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# define __ASSERT_FUNCTION ((__const char *) 0)
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# endif
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# endif
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#endif /* NDEBUG. */
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#endif /* __ASSERT_H */
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