xref: /freebsd/include/assert.h (revision 62779d80fb85de470823a8ff2902218a9a5e715e)
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 __BEGIN_DECLS
61 void __assert(const char *, const char *, int, const char *) __dead2;
62 __END_DECLS
63 #endif /* !_ASSERT_H_ */
64