include/assert.h

   1 /*      $NetBSD: assert.h,v 1.21 2011/08/26 01:10:49 joerg Exp $        */
   2
   3 /*-
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  * (c) UNIX System Laboratories, Inc.
   7  * All or some portions of this file are derived from material licensed
   8  * to the University of California by American Telephone and Telegraph
   9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  10  * the permission of UNIX System Laboratories, Inc.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)assert.h    8.2 (Berkeley) 1/21/94
  37  */
  38
  39 /*
  40  * Unlike other ANSI header files, <assert.h> may usefully be included
  41  * multiple times, with and without NDEBUG defined.
  42  */
  43
  44 #include <sys/cdefs.h>
  45 #include <sys/featuretest.h>
  46 #include <sys/null.h>
  47
  48 #undef assert
  49
  50 #ifdef NDEBUG
  51 # ifndef __lint__
  52 #  define assert(e)     (__static_cast(void,0))
  53 # else /* !__lint__ */
  54 #  define assert(e)
  55 # endif /* __lint__ */
  56 #else /* !NDEBUG */
  57 # if __STDC__
  58 #  define assert(e)                                                     \
  59         ((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,   \
  60                                                   __assert_function__, #e))
  61 # else  /* PCC */
  62 #  define assert(e)                                                     \
  63         ((e) ? __static_cast(void,0) : __assert13(__FILE__, __LINE__,   \
  64                                                   __assert_function__, "e"))
  65 # endif /* !__STDC__ */
  66 #endif /* NDEBUG */
  67
  68 #undef _DIAGASSERT
  69 #if !defined(_DIAGNOSTIC)
  70 # if !defined(__lint__)
  71 #  define _DIAGASSERT(e) (__static_cast(void,0))
  72 # else /* !__lint__ */
  73 #  define _DIAGASSERT(e)
  74 # endif /* __lint__ */
  75 #else /* _DIAGNOSTIC */
  76 # if __STDC__
  77 #  define _DIAGASSERT(e)                                                \
  78         ((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
  79                                                       __assert_function__, #e))
  80 # else  /* !__STDC__ */
  81 #  define _DIAGASSERT(e)                                                \
  82         ((e) ? __static_cast(void,0) : __diagassert13(__FILE__, __LINE__, \
  83                                                       __assert_function__, "e"))
  84 # endif
  85 #endif /* _DIAGNOSTIC */
  86
  87
  88 #if defined(__lint__)
  89 #define __assert_function__     (__static_cast(const void *,0))
  90 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
  91 #define __assert_function__     __func__
  92 #elif __GNUC_PREREQ__(2, 6)
  93 #define __assert_function__     __PRETTY_FUNCTION__
  94 #else
  95 #define __assert_function__     (__static_cast(const void *,0))
  96 #endif
  97
  98 #ifndef __ASSERT_DECLARED
  99 #define __ASSERT_DECLARED
 100 __BEGIN_DECLS
 101 __dead void __assert(const char *, int, const char *);
 102 __dead void __assert13(const char *, int, const char *, const char *);
 103 void __diagassert(const char *, int, const char *);
 104 void __diagassert13(const char *, int, const char *, const char *);
 105 __END_DECLS
 106 #endif /* __ASSERT_DECLARED */