1/*	$NetBSD: assert.h,v 1.20 2008/11/02 14:27:44 christos 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