include/assert.h

   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. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)assert.h    8.2 (Berkeley) 1/21/94
  39  * $FreeBSD: src/include/assert.h,v 1.6 2007/12/01 19:28:13 phk Exp $
  40  */
  41
  42 #include <sys/cdefs.h>
  43
  44 /*
  45  * Unlike other ANSI header files, <assert.h> may usefully be included
  46  * multiple times, with and without NDEBUG defined.
  47  */
  48
  49 #undef assert
  50 #undef _assert
  51
  52 #ifdef NDEBUG
  53 #define assert(e)       ((void)0)
  54 #define _assert(e)      ((void)0)
  55 #else
  56 #define _assert(e)      assert(e)
  57
  58 #define assert(e)       ((e) ? (void)0 : __assert(__func__, __FILE__, \
  59                             __LINE__, #e))
  60 #endif /* NDEBUG */
  61
  62 #undef _DIAGASSERT
  63 #ifdef _DIAGNOSTIC
  64 #define _DIAGASSERT(e)  ((e) ? (void)0 : __diagassert(__FILE__, __LINE__, \
  65                             __func__, #e))
  66 #else
  67 #define _DIAGASSERT(e)  ((void)0)
  68 #endif
  69
  70 #ifndef _ASSERT_H_
  71 #define _ASSERT_H_
  72
  73 #if __ISO_C_VISIBLE >= 2011 && !defined(__cplusplus)
  74 #define static_assert   _Static_assert
  75 #endif
  76
  77 __BEGIN_DECLS
  78 void    __assert(const char *, const char *, int, const char *);
  79 void    __diagassert(const char *, int, const char *, const char *);
  80 __END_DECLS
  81
  82 #endif /* !_ASSERT_H_ */