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assert.h
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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 #if defined(__cplusplus)
43 #define __BEGIN_DECLS extern "C" {
44 #define __END_DECLS }
45 #else
46 #define __BEGIN_DECLS
47 #define __END_DECLS
48 #endif
49 
50 /*
51  * Unlike other ANSI header files, <assert.h> may usefully be included
52  * multiple times, with and without NDEBUG defined.
53  */
54 
55 #undef assert
56 #undef _assert
57 
58 #ifdef NDEBUG
59 #define assert(e) ((void)0)
60 #define _assert(e) ((void)0)
61 #else
62 #define _assert(e) assert(e)
63 
64 #define assert(e) ((e) ? (void)0 : __assert(__func__, __FILE__, \
65  __LINE__, #e))
66 #endif /* NDEBUG */
67 
68 __BEGIN_DECLS
69 void __assert(const char *, const char *, int, const char *);
70 __END_DECLS
__END_DECLS
#define __END_DECLS
Definition: assert.h:47
__assert
void __assert(const char *, const char *, int, const char *)
The underlying assertion call which is wrapped by assert()
Definition: assert.c:37
__BEGIN_DECLS
#define __BEGIN_DECLS
Definition: assert.h:46