1/* $NetBSD: assert.h,v 1.27 2025/03/29 01:43:38 riastradh 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# define assert(e) (__static_cast(void,0))
52#else /* !NDEBUG */
53# if __STDC__
54# define assert(e) \
55 (__predict_true(e) ? __static_cast(void,0) \
56 : __assert13(__FILE__, __LINE__, __assert_function__, #e))
57# else /* PCC */
58# define assert(e) \
59 (__predict_true(e) ? __static_cast(void,0) \
60 : __assert13(__FILE__, __LINE__, __assert_function__, "e"))
61# endif /* !__STDC__ */
62#endif /* NDEBUG */
63
64#undef _DIAGASSERT
65#if !defined(_DIAGNOSTIC)
66# define _DIAGASSERT(e) (__static_cast(void,0))
67#else /* _DIAGNOSTIC */
68# if __STDC__
69# define _DIAGASSERT(e) \
70 (__predict_true(e) ? __static_cast(void,0) \
71 : __diagassert13(__FILE__, __LINE__, __assert_function__, #e))
72# else /* !__STDC__ */
73# define _DIAGASSERT(e) \
74 (__predict_true(e) ? __static_cast(void,0) \
75 : __diagassert13(__FILE__, __LINE__, __assert_function__, "e"))
76# endif
77#endif /* _DIAGNOSTIC */
78
79
80#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
81#define __assert_function__ __func__
82#elif __GNUC_PREREQ__(2, 6)
83#define __assert_function__ __PRETTY_FUNCTION__
84#else
85#define __assert_function__ (__static_cast(const void *,0))
86#endif
87
88#ifndef __ASSERT_DECLARED
89#define __ASSERT_DECLARED
90__BEGIN_DECLS
91__dead void __assert(const char *, int, const char *);
92__dead void __assert13(const char *, int, const char *, const char *);
93void __diagassert(const char *, int, const char *);
94void __diagassert13(const char *, int, const char *, const char *);
95__END_DECLS
96#endif /* __ASSERT_DECLARED */
97
98#if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L
99#ifndef static_assert
100#define static_assert _Static_assert
101#endif /* static_assert */
102#endif