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