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. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)assert.h 8.2 (Berkeley) 1/21/94
39 * $FreeBSD: src/include/assert.h,v 1.4 2002/03/23 17:24:53 imp Exp $
40 */
41
42#include <sys/cdefs.h>
43#ifdef __cplusplus
44#include <stdlib.h>
45#endif /* __cplusplus */
46
47/*
48 * Unlike other ANSI header files, <assert.h> may usefully be included
49 * multiple times, with and without NDEBUG defined.
50 */
51
52#undef assert
53#undef __assert
54
55#ifdef NDEBUG
56#define assert(e) ((void)0)
57#else
58
59#ifndef __GNUC__
60
61__BEGIN_DECLS
62#ifndef __cplusplus
63void abort(void) __dead2;
64#endif /* !__cplusplus */
65int printf(const char * __restrict, ...);
66__END_DECLS
67
68#define assert(e) \
69 ((void) ((e) ? ((void)0) : __assert (#e, __FILE__, __LINE__)))
70#define __assert(e, file, line) \
71 ((void)printf ("%s:%u: failed assertion `%s'\n", file, line, e), abort())
72
73#else /* __GNUC__ */
74
75__BEGIN_DECLS
76void __assert_rtn(const char *, const char *, int, const char *) __dead2 __disable_tail_calls;
77#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1070)
78void __eprintf(const char *, const char *, unsigned, const char *) __dead2;
79#endif
80__END_DECLS
81
82#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1070)
83#define __assert(e, file, line) \
84 __eprintf ("%s:%u: failed assertion `%s'\n", file, line, e)
85#else
86/* 8462256: modified __assert_rtn() replaces deprecated __eprintf() */
87#define __assert(e, file, line) \
88 __assert_rtn ((const char *)-1L, file, line, e)
89#endif
90
91#if __DARWIN_UNIX03
92#define assert(e) \
93 (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
94#else /* !__DARWIN_UNIX03 */
95#define assert(e) \
96 (__builtin_expect(!(e), 0) ? __assert (#e, __FILE__, __LINE__) : (void)0)
97#endif /* __DARWIN_UNIX03 */
98
99#endif /* __GNUC__ */
100#endif /* NDEBUG */
101
102#ifndef _ASSERT_H_
103#define _ASSERT_H_
104
105#ifndef __cplusplus
106#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
107#define static_assert _Static_assert
108#endif /* __STDC_VERSION__ */
109#endif /* !__cplusplus */
110
111#endif /* _ASSERT_H_ */
112