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 */