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  * 4. Neither the name of the University nor the names of its contributors

    19  *    may be used to endorse or promote products derived from this software

    20  *    without specific prior written permission.

    21  *

    22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

    23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

    26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

    28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

    30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

    31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    32  * SUCH DAMAGE.

    33  *

    34  *	@(#)assert.h	8.2 (Berkeley) 1/21/94

    35  * $FreeBSD: src/include/assert.h,v 1.4 2002/03/23 17:24:53 imp Exp $

    36  */

    37 

    38 #include <sys/cdefs.h>

    39 

    40 /*

    41  * Unlike other ANSI header files, <assert.h> may usefully be included

    42  * multiple times, with and without NDEBUG defined.

    43  */

    44 

    45 #undef assert

    46 #undef _assert

    47 

    48 #ifdef NDEBUG

    49 #define	assert(e)	((void)0)

    50 #define	_assert(e)	((void)0)

    51 #else

    52 #define	_assert(e)	assert(e)

    53 

    54 #define	assert(e)	((e) ? (void)0 : __assert(__func__, __FILE__, \

    55 			    __LINE__, #e))

    56 #endif /* NDEBUG */

    57 

    58 __BEGIN_DECLS

    59 IMPORT_C void __assert(const char *, const char *, int, const char *);

    60 __END_DECLS