xref: /netbsd-src/include/assert.h (revision d48f14661dda8638fee055ba15d35bdfb29b9fa8)
1 /*	$NetBSD: assert.h,v 1.18 2005/02/03 04:39:32 perry 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 
47 #undef assert
48 
49 #ifdef NDEBUG
50 # ifndef __lint__
51 #  define assert(e)	(__static_cast(void,0))
52 # else /* !__lint__ */
53 #  define assert(e)
54 # endif /* __lint__ */
55 #else /* !NDEBUG */
56 # if __STDC__
57 #  define assert(e)							\
58 	((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,	\
59 	                                          __assert_function__, #e))
60 # else	/* PCC */
61 #  define assert(e)							\
62 	((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,	\
63 	                                          __assert_function__, "e"))
64 # endif /* !__STDC__ */
65 #endif /* NDEBUG */
66 
67 #undef _DIAGASSERT
68 #if !defined(_DIAGNOSTIC)
69 # if !defined(__lint__)
70 #  define _DIAGASSERT(e) (__static_cast(void,0))
71 # else /* !__lint__ */
72 #  define _DIAGASSERT(e)
73 # endif /* __lint__ */
74 #else /* _DIAGNOSTIC */
75 # if __STDC__
76 #  define _DIAGASSERT(e)						\
77 	((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
78 	                                              __assert_function__, #e))
79 # else	/* !__STDC__ */
80 #  define _DIAGASSERT(e)	 					\
81 	((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
82 	                                              __assert_function__, "e"))
83 # endif
84 #endif /* _DIAGNOSTIC */
85 
86 
87 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
88 #define	__assert_function__	__func__
89 #elif __GNUC_PREREQ__(2, 6)
90 #define	__assert_function__	__PRETTY_FUNCTION__
91 #else
92 #define	__assert_function__	(__static_cast(const void *,0))
93 #endif
94 
95 #ifndef __ASSERT_DECLARED
96 #define __ASSERT_DECLARED
97 __BEGIN_DECLS
98 void __assert(const char *, int, const char *);
99 void __assert13(const char *, int, const char *, const char *);
100 void __diagassert(const char *, int, const char *);
101 void __diagassert13(const char *, int, const char *, const char *);
102 __END_DECLS
103 #endif /* __ASSERT_DECLARED */
104