xref: /illumos-gate/usr/src/boot/include/assert.h (revision 199767f8)
1*199767f8SToomas Soome /*-
2*199767f8SToomas Soome  * Copyright (c) 1992, 1993
3*199767f8SToomas Soome  *	The Regents of the University of California.  All rights reserved.
4*199767f8SToomas Soome  * (c) UNIX System Laboratories, Inc.
5*199767f8SToomas Soome  * All or some portions of this file are derived from material licensed
6*199767f8SToomas Soome  * to the University of California by American Telephone and Telegraph
7*199767f8SToomas Soome  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8*199767f8SToomas Soome  * the permission of UNIX System Laboratories, Inc.
9*199767f8SToomas Soome  *
10*199767f8SToomas Soome  * Redistribution and use in source and binary forms, with or without
11*199767f8SToomas Soome  * modification, are permitted provided that the following conditions
12*199767f8SToomas Soome  * are met:
13*199767f8SToomas Soome  * 1. Redistributions of source code must retain the above copyright
14*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer.
15*199767f8SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
16*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
17*199767f8SToomas Soome  *    documentation and/or other materials provided with the distribution.
18*199767f8SToomas Soome  * 3. Neither the name of the University nor the names of its contributors
19*199767f8SToomas Soome  *    may be used to endorse or promote products derived from this software
20*199767f8SToomas Soome  *    without specific prior written permission.
21*199767f8SToomas Soome  *
22*199767f8SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23*199767f8SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24*199767f8SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25*199767f8SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26*199767f8SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27*199767f8SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28*199767f8SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29*199767f8SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30*199767f8SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31*199767f8SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32*199767f8SToomas Soome  * SUCH DAMAGE.
33*199767f8SToomas Soome  *
34*199767f8SToomas Soome  *	@(#)assert.h	8.2 (Berkeley) 1/21/94
35*199767f8SToomas Soome  * $FreeBSD$
36*199767f8SToomas Soome  */
37*199767f8SToomas Soome 
38*199767f8SToomas Soome #include <sys/cdefs.h>
39*199767f8SToomas Soome 
40*199767f8SToomas Soome /*
41*199767f8SToomas Soome  * Unlike other ANSI header files, <assert.h> may usefully be included
42*199767f8SToomas Soome  * multiple times, with and without NDEBUG defined.
43*199767f8SToomas Soome  */
44*199767f8SToomas Soome 
45*199767f8SToomas Soome #undef assert
46*199767f8SToomas Soome #undef _assert
47*199767f8SToomas Soome 
48*199767f8SToomas Soome #ifdef NDEBUG
49*199767f8SToomas Soome #define	assert(e)	((void)0)
50*199767f8SToomas Soome #define	_assert(e)	((void)0)
51*199767f8SToomas Soome #else
52*199767f8SToomas Soome #define	_assert(e)	assert(e)
53*199767f8SToomas Soome 
54*199767f8SToomas Soome #define	assert(e)	((e) ? (void)0 : __assert(__func__, __FILE__, \
55*199767f8SToomas Soome 			    __LINE__, #e))
56*199767f8SToomas Soome #endif /* NDEBUG */
57*199767f8SToomas Soome 
58*199767f8SToomas Soome #ifndef _ASSERT_H_
59*199767f8SToomas Soome #define _ASSERT_H_
60*199767f8SToomas Soome 
61*199767f8SToomas Soome /*
62*199767f8SToomas Soome  * Static assertions.  In principle we could define static_assert for
63*199767f8SToomas Soome  * C++ older than C++11, but this breaks if _Static_assert is
64*199767f8SToomas Soome  * implemented as a macro.
65*199767f8SToomas Soome  *
66*199767f8SToomas Soome  * C++ template parameters may contain commas, even if not enclosed in
67*199767f8SToomas Soome  * parentheses, causing the _Static_assert macro to be invoked with more
68*199767f8SToomas Soome  * than two parameters.
69*199767f8SToomas Soome  */
70*199767f8SToomas Soome #if __ISO_C_VISIBLE >= 2011 && !defined(__cplusplus)
71*199767f8SToomas Soome #define	static_assert	_Static_assert
72*199767f8SToomas Soome #endif
73*199767f8SToomas Soome 
74*199767f8SToomas Soome __BEGIN_DECLS
75*199767f8SToomas Soome void __assert(const char *, const char *, int, const char *) __dead2;
76*199767f8SToomas Soome __END_DECLS
77*199767f8SToomas Soome 
78*199767f8SToomas Soome #endif /* !_ASSERT_H_ */
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