minix3-3.4.0/include/assert.h

1 /*	$NetBSD: assert.h,v 1.21 2011/08/26 01:10:49 joerg 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 # ifndef __lint__
52 #  define assert(e)	(__static_cast(void,0))
53 # else /* !__lint__ */
54 #  define assert(e)
55 # endif /* __lint__ */
56 #else /* !NDEBUG */
57 # if __STDC__
58 #  define assert(e)							\
59 	((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,	\
60 	                                          __assert_function__, #e))
61 # else	/* PCC */
62 #  define assert(e)							\
63 	((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,	\
64 	                                          __assert_function__, "e"))
65 # endif /* !__STDC__ */
66 #endif /* NDEBUG */
67 
68 #undef _DIAGASSERT
69 #if !defined(_DIAGNOSTIC)
70 # if !defined(__lint__)
71 #  define _DIAGASSERT(e) (__static_cast(void,0))
72 # else /* !__lint__ */
73 #  define _DIAGASSERT(e)
74 # endif /* __lint__ */
75 #else /* _DIAGNOSTIC */
76 # if __STDC__
77 #  define _DIAGASSERT(e)						\
78 	((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
79 	                                              __assert_function__, #e))
80 # else	/* !__STDC__ */
81 #  define _DIAGASSERT(e)	 					\
82 	((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
83 	                                              __assert_function__, "e"))
84 # endif
85 #endif /* _DIAGNOSTIC */
86 
87 
88 #if defined(__lint__)
89 #define	__assert_function__	(__static_cast(const void *,0))
90 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
91 #define	__assert_function__	__func__
92 #elif __GNUC_PREREQ__(2, 6)
93 #define	__assert_function__	__PRETTY_FUNCTION__
94 #else
95 #define	__assert_function__	(__static_cast(const void *,0))
96 #endif
97 
98 #ifndef __ASSERT_DECLARED
99 #define __ASSERT_DECLARED
100 __BEGIN_DECLS
101 __dead void __assert(const char *, int, const char *);
102 __dead void __assert13(const char *, int, const char *, const char *);
103 void __diagassert(const char *, int, const char *);
104 void __diagassert13(const char *, int, const char *, const char *);
105 __END_DECLS
106 #endif /* __ASSERT_DECLARED */