master
  1/*	$NetBSD: assert.h,v 1.25 2020/04/17 15:22:34 kamil Exp $	*/
  2
  3/*-
  4 * Copyright (c) 1992, 1993
  5 *	The Regents of the University of California.  All rights reserved.
  6 * (c) UNIX System Laboratories, Inc.
  7 * All or some portions of this file are derived from material licensed
  8 * to the University of California by American Telephone and Telegraph
  9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 10 * the permission of UNIX System Laboratories, Inc.
 11 *
 12 * Redistribution and use in source and binary forms, with or without
 13 * modification, are permitted provided that the following conditions
 14 * are met:
 15 * 1. Redistributions of source code must retain the above copyright
 16 *    notice, this list of conditions and the following disclaimer.
 17 * 2. Redistributions in binary form must reproduce the above copyright
 18 *    notice, this list of conditions and the following disclaimer in the
 19 *    documentation and/or other materials provided with the distribution.
 20 * 3. Neither the name of the University nor the names of its contributors
 21 *    may be used to endorse or promote products derived from this software
 22 *    without specific prior written permission.
 23 *
 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 34 * SUCH DAMAGE.
 35 *
 36 *	@(#)assert.h	8.2 (Berkeley) 1/21/94
 37 */
 38
 39/*
 40 * Unlike other ANSI header files, <assert.h> may usefully be included
 41 * multiple times, with and without NDEBUG defined.
 42 */
 43
 44#include <sys/cdefs.h>
 45#include <sys/featuretest.h>
 46#include <sys/null.h>
 47
 48#undef assert
 49
 50#ifdef NDEBUG
 51# ifndef __lint__
 52#  define assert(e)	(__static_cast(void,0))
 53# else /* !__lint__ */
 54#  define assert(e)
 55# endif /* __lint__ */
 56#else /* !NDEBUG */
 57# if __STDC__
 58#  define assert(e)							\
 59	((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,	\
 60	                                          __assert_function__, #e))
 61# else	/* PCC */
 62#  define assert(e)							\
 63	((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,	\
 64	                                          __assert_function__, "e"))
 65# endif /* !__STDC__ */
 66#endif /* NDEBUG */
 67
 68#undef _DIAGASSERT
 69#if !defined(_DIAGNOSTIC)
 70# if !defined(__lint__)
 71#  define _DIAGASSERT(e) (__static_cast(void,0))
 72# else /* !__lint__ */
 73#  define _DIAGASSERT(e)
 74# endif /* __lint__ */
 75#else /* _DIAGNOSTIC */
 76# if __STDC__
 77#  define _DIAGASSERT(e)						\
 78	((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
 79	                                              __assert_function__, #e))
 80# else	/* !__STDC__ */
 81#  define _DIAGASSERT(e)	 					\
 82	((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
 83	                                              __assert_function__, "e"))
 84# endif
 85#endif /* _DIAGNOSTIC */
 86
 87
 88#if defined(__lint__)
 89#define	__assert_function__	(__static_cast(const void *,0))
 90#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
 91#define	__assert_function__	__func__
 92#elif __GNUC_PREREQ__(2, 6)
 93#define	__assert_function__	__PRETTY_FUNCTION__
 94#else
 95#define	__assert_function__	(__static_cast(const void *,0))
 96#endif
 97
 98#ifndef __ASSERT_DECLARED
 99#define __ASSERT_DECLARED
100__BEGIN_DECLS
101__dead void __assert(const char *, int, const char *);
102__dead void __assert13(const char *, int, const char *, const char *);
103void __diagassert(const char *, int, const char *);
104void __diagassert13(const char *, int, const char *, const char *);
105__END_DECLS
106#endif /* __ASSERT_DECLARED */
107
108#if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L
109#ifndef static_assert
110#define static_assert _Static_assert
111#endif /* static_assert */
112#endif