xref: /openbsd-src/include/assert.h (revision 9f1f2f9e4445dc7ae169aed1ece7a3b339c4a6a4)
1*9f1f2f9eSmillert /*	$OpenBSD: assert.h,v 1.15 2020/09/06 12:57:25 millert Exp $	*/
2df930be7Sderaadt /*	$NetBSD: assert.h,v 1.6 1994/10/26 00:55:44 cgd Exp $	*/
3df930be7Sderaadt 
4df930be7Sderaadt /*-
5df930be7Sderaadt  * Copyright (c) 1992, 1993
6df930be7Sderaadt  *	The Regents of the University of California.  All rights reserved.
7df930be7Sderaadt  * (c) UNIX System Laboratories, Inc.
8df930be7Sderaadt  * All or some portions of this file are derived from material licensed
9df930be7Sderaadt  * to the University of California by American Telephone and Telegraph
10df930be7Sderaadt  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11df930be7Sderaadt  * the permission of UNIX System Laboratories, Inc.
12df930be7Sderaadt  *
13df930be7Sderaadt  * Redistribution and use in source and binary forms, with or without
14df930be7Sderaadt  * modification, are permitted provided that the following conditions
15df930be7Sderaadt  * are met:
16df930be7Sderaadt  * 1. Redistributions of source code must retain the above copyright
17df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer.
18df930be7Sderaadt  * 2. Redistributions in binary form must reproduce the above copyright
19df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer in the
20df930be7Sderaadt  *    documentation and/or other materials provided with the distribution.
21e33d3bd3Smillert  * 3. Neither the name of the University nor the names of its contributors
22df930be7Sderaadt  *    may be used to endorse or promote products derived from this software
23df930be7Sderaadt  *    without specific prior written permission.
24df930be7Sderaadt  *
25df930be7Sderaadt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26df930be7Sderaadt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27df930be7Sderaadt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28df930be7Sderaadt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29df930be7Sderaadt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30df930be7Sderaadt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31df930be7Sderaadt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32df930be7Sderaadt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33df930be7Sderaadt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34df930be7Sderaadt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35df930be7Sderaadt  * SUCH DAMAGE.
36df930be7Sderaadt  *
37df930be7Sderaadt  *	@(#)assert.h	8.2 (Berkeley) 1/21/94
38df930be7Sderaadt  */
39df930be7Sderaadt 
40df930be7Sderaadt /*
41df930be7Sderaadt  * Unlike other ANSI header files, <assert.h> may usefully be included
42df930be7Sderaadt  * multiple times, with and without NDEBUG defined.
43df930be7Sderaadt  */
44df930be7Sderaadt 
45db31c4c7Smillert #include <sys/cdefs.h>
46db31c4c7Smillert 
47df930be7Sderaadt #undef assert
48df930be7Sderaadt #undef _assert
49df930be7Sderaadt 
50df930be7Sderaadt #ifdef NDEBUG
51df930be7Sderaadt # define	assert(e)	((void)0)
52df930be7Sderaadt # define	_assert(e)	((void)0)
53df930be7Sderaadt #else
54df930be7Sderaadt # define	_assert(e)	assert(e)
55db31c4c7Smillert # if __ISO_C_VISIBLE >= 1999
56db31c4c7Smillert #  define	assert(e)	((e) ? (void)0 : __assert2(__FILE__, __LINE__, __func__, #e))
57db31c4c7Smillert # else
58df930be7Sderaadt #  define	assert(e)	((e) ? (void)0 : __assert(__FILE__, __LINE__, #e))
59df930be7Sderaadt # endif
60db31c4c7Smillert #endif
61df930be7Sderaadt 
62ca9d9491Sespie #ifndef _ASSERT_H_
63ca9d9491Sespie #define _ASSERT_H_
6418b823aeSbentley 
65*9f1f2f9eSmillert #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112
6618b823aeSbentley #define static_assert _Static_assert
6718b823aeSbentley #endif
6818b823aeSbentley 
69df930be7Sderaadt __BEGIN_DECLS
704c5dd6d3Shshoexer __dead void __assert(const char *, int, const char *);
714c5dd6d3Shshoexer __dead void __assert2(const char *, int, const char *, const char *);
72df930be7Sderaadt __END_DECLS
73ca9d9491Sespie #endif
74