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      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