xref: /titanic_41/usr/src/head/assert.h (revision ea394cb00fd96864e34d2841b4a22357b621c78f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1988 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 #ifndef	_ASSERT_H
32 #define	_ASSERT_H
33 
34 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.6.1.4 */
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 #if defined(__STDC__)
41 #if __STDC_VERSION__ - 0 >= 199901L
42 extern void __assert_c99(const char *, const char *, int, const char *);
43 #else
44 extern void __assert(const char *, const char *, int);
45 #endif /* __STDC_VERSION__ - 0 >= 199901L */
46 #else
47 extern void _assert();
48 #endif
49 
50 #ifdef	__cplusplus
51 }
52 #endif
53 
54 #endif	/* _ASSERT_H */
55 
56 /*
57  * Note that the ANSI C Standard requires all headers to be idempotent except
58  * <assert.h> which is explicitly required not to be idempotent (section 4.1.2).
59  * Therefore, it is by intent that the header guards (#ifndef _ASSERT_H) do
60  * not span this entire file.
61  */
62 
63 #undef	assert
64 
65 #ifdef	NDEBUG
66 
67 #define	assert(EX) ((void)0)
68 
69 #else
70 
71 #if defined(__STDC__)
72 #if __STDC_VERSION__ - 0 >= 199901L
73 #define	assert(EX) (void)((EX) || \
74 	(__assert_c99(#EX, __FILE__, __LINE__, __func__), 0))
75 #else
76 #define	assert(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
77 #endif /* __STDC_VERSION__ - 0 >= 199901L */
78 #else
79 #define	assert(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
80 #endif	/* __STDC__ */
81 
82 #endif	/* NDEBUG */
83