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 #ifdef __FILE_NAME__
60 #define __ASSERT_FILE_NAME __FILE_NAME__
61 #else /* __FILE_NAME__ */
62 #define __ASSERT_FILE_NAME __FILE__
63 #endif /* __FILE_NAME__ */
64 
65 #ifndef __GNUC__
66 
67 __BEGIN_DECLS
68 #ifndef __cplusplus
69 void abort(void) __dead2 __cold;
70 #endif /* !__cplusplus */
71 int  printf(const char * __restrict, ...);
72 __END_DECLS
73 
74 #define assert(e)  \
75     ((void) ((e) ? ((void)0) : __assert (#e, __ASSERT_FILE_NAME, __LINE__)))
76 #define __assert(e, file, line) \
77     ((void)printf ("%s:%d: failed assertion `%s'\n", file, line, e), abort())
78 
79 #else /* __GNUC__ */
80 
81 __BEGIN_DECLS
82 void __assert_rtn(const char *, const char *, int, const char *) __dead2 __cold __disable_tail_calls;
83 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1070)
84 void __eprintf(const char *, const char *, unsigned, const char *) __dead2 __cold;
85 #endif
86 __END_DECLS
87 
88 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1070)
89 #define __assert(e, file, line) \
90     __eprintf ("%s:%d: failed assertion `%s'\n", file, line, e)
91 #else
92 /* 8462256: modified __assert_rtn() replaces deprecated __eprintf() */
93 #define __assert(e, file, line) \
94     __assert_rtn ((const char *)-1L, file, line, e)
95 #endif
96 
97 #if __DARWIN_UNIX03
98 #define	assert(e) \
99     (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __ASSERT_FILE_NAME, __LINE__, #e) : (void)0)
100 #else /* !__DARWIN_UNIX03 */
101 #define assert(e)  \
102     (__builtin_expect(!(e), 0) ? __assert (#e, __ASSERT_FILE_NAME, __LINE__) : (void)0)
103 #endif /* __DARWIN_UNIX03 */
104 
105 #endif /* __GNUC__ */
106 #endif /* NDEBUG */
107 
108 #ifndef _ASSERT_H_
109 #define _ASSERT_H_
110 
111 #ifndef __cplusplus
112 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
113 #define static_assert _Static_assert
114 #endif /* __STDC_VERSION__ */
115 #endif /* !__cplusplus */
116 
117 #endif /* _ASSERT_H_ */