65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* Copyright (C) 1991 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/*
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* ANSI Standard: 4.2 DIAGNOSTICS <assert.h>
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*/
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#ifdef _ASSERT_H
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#undef _ASSERT_H
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#undef assert
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#undef __assert_quotearg
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#endif /* assert.h */
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#define _ASSERT_H 1
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#include <features.h>
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/* void assert(int expression);
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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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/* This prints an "Assertion failed" message and aborts. */
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extern int EXFUN(__assert_fail, (CONST char *__assertion,
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CONST char *__file, unsigned int __line));
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/* IGNORE($ */
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#ifdef __STDC__
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/* $) IFANSI($ */
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#define __assert_quotearg(s) #s
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/* $) IGNORE($ */
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#else /* Not ANSI C. */
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/* $) IFTRAD($ */
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#define __assert_quotearg(s) "s"
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/* $) IGNORE($ */
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#endif /* ANSI C. */
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/* $) */
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#define assert(expr) \
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((void) ((expr) || \
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__assert_fail(__assert_quotearg(expr), __FILE__, __LINE__)))
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#endif /* NDEBUG. */
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