include/assert.h

   1 /*      $OpenBSD: assert.h,v 1.13 2011/06/26 21:11:41 espie Exp $       */
   2 /*      $NetBSD: assert.h,v 1.6 1994/10/26 00:55:44 cgd Exp $   */
   3
   4 /*-
   5  * Copyright (c) 1992, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  * (c) UNIX System Laboratories, Inc.
   8  * All or some portions of this file are derived from material licensed
   9  * to the University of California by American Telephone and Telegraph
  10  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  11  * the permission of UNIX System Laboratories, Inc.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. Neither the name of the University nor the names of its contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  *
  37  *      @(#)assert.h    8.2 (Berkeley) 1/21/94
  38  */
  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 #include <sys/cdefs.h>
  46
  47 #undef assert
  48 #undef _assert
  49
  50 #ifdef NDEBUG
  51 # define        assert(e)       ((void)0)
  52 # define        _assert(e)      ((void)0)
  53 #else
  54 # define        _assert(e)      assert(e)
  55 # if __ISO_C_VISIBLE >= 1999
  56 #  define       assert(e)       ((e) ? (void)0 : __assert2(__FILE__, __LINE__, __func__, #e))
  57 # else
  58 #  define       assert(e)       ((e) ? (void)0 : __assert(__FILE__, __LINE__, #e))
  59 # endif
  60 #endif
  61
  62 #ifndef _ASSERT_H_
  63 #define _ASSERT_H_
  64 __BEGIN_DECLS
  65 __dead void __assert(const char *, int, const char *);
  66 __dead void __assert2(const char *, int, const char *, const char *);
  67 __END_DECLS
  68 #endif