1/*-
2 * Copyright (c) 1992, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)assert.h	8.2 (Berkeley) 1/21/94
35 * $FreeBSD$
36 */
37
38#include <sys/cdefs.h>
39
40/*
41 * Unlike other ANSI header files, <assert.h> may usefully be included
42 * multiple times, with and without NDEBUG defined.
43 */
44
45#undef assert
46#undef _assert
47
48#ifdef NDEBUG
49#define	assert(e)	((void)0)
50#define	_assert(e)	((void)0)
51#else
52#define	_assert(e)	assert(e)
53
54#define	assert(e)	((e) ? (void)0 : __assert(__func__, __FILE__, \
55			    __LINE__, #e))
56#endif /* NDEBUG */
57
58#ifndef _ASSERT_H_
59#define _ASSERT_H_
60
61/*
62 * Static assertions.  In principle we could define static_assert for
63 * C++ older than C++11, but this breaks if _Static_assert is
64 * implemented as a macro.
65 *
66 * C++ template parameters may contain commas, even if not enclosed in
67 * parentheses, causing the _Static_assert macro to be invoked with more
68 * than two parameters.
69 */
70#if __ISO_C_VISIBLE >= 2011 && !defined(__cplusplus)
71#define	static_assert	_Static_assert
72#endif
73
74__BEGIN_DECLS
75void __assert(const char *, const char *, int, const char *) __dead2;
76__END_DECLS
77
78#endif /* !_ASSERT_H_ */
79