Home | History | Annotate | Download | only in stdlib
      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. 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  * $FreeBSD$
     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 #ifndef _ASSERT_H_
     59 #define _ASSERT_H_
     60 __BEGIN_DECLS
     61 void __assert(const char *, const char *, int, const char *) __dead2;
     62 __END_DECLS
     63 #endif /* !_ASSERT_H_ */
     64