xref: /illumos-gate/usr/src/stand/lib/sa/assert.h (revision f3041bfa)
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 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SA_ASSERT_H
28 #define	_SA_ASSERT_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * Exported interfaces for standalone's subset of libc's <assert.h>.
34  * All standalone code *must* use this header rather than libc's.
35  */
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 extern void __assert(const char *, const char *, int);
42 
43 #ifdef __cplusplus
44 }
45 #endif
46 
47 #endif /* _SA_ASSERT_H */
48 
49 /*
50  * Note that the ANSI C Standard requires all headers to be idempotent except
51  * <assert.h> which is explicitly required not to be idempotent (section 4.1.2).
52  * Therefore, it is by intent that the header guards (#ifndef _SA_ASSERT_H) do
53  * not span this entire file.
54  */
55 
56 #undef  assert
57 
58 #ifdef  NDEBUG
59 #define	assert(EX) ((void)0)
60 #else
61 #define	assert(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
62 #endif  /* NDEBUG */
63