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110 lines
4.2 KiB
110 lines
4.2 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: stlsoft/util/nulldef.h
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*
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* Purpose: Include for defining NULL to be the NULL_v template class.
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*
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* Created: 17th December 2002
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* Updated: 3rd February 2012
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*
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* Home: http://stlsoft.org/
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*
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* Copyright (c) 2002-2012, Matthew Wilson and Synesis Software
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
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* any contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/** \file stlsoft/util/nulldef.h
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*
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* \brief [C++ only] Defines the NULL preprocessor symbol as
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* stlsoft::NULL_v()
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* (\ref group__library__utility "Utility" Library).
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*/
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#ifndef STLSOFT_INCL_STLSOFT_UTIL_H_NULLDEF
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#define STLSOFT_INCL_STLSOFT_UTIL_H_NULLDEF
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#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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# define STLSOFT_VER_STLSOFT_UTIL_H_NULLDEF_MAJOR 4
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# define STLSOFT_VER_STLSOFT_UTIL_H_NULLDEF_MINOR 0
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# define STLSOFT_VER_STLSOFT_UTIL_H_NULLDEF_REVISION 3
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# define STLSOFT_VER_STLSOFT_UTIL_H_NULLDEF_EDIT 29
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#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Auto-generation and compatibility
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*/
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/*
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[<[STLSOFT-AUTO:NO-UNITTEST]>]
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*/
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/* /////////////////////////////////////////////////////////////////////////
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* Includes
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*/
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#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
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# include <stlsoft/stlsoft.h>
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#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
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#ifndef STLSOFT_INCL_STLSOFT_UTIL_HPP_NULL
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# include <stlsoft/util/null.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_UTIL_HPP_NULL */
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#ifndef STLSOFT_INCL_H_STDDEF
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# define STLSOFT_INCL_H_STDDEF
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# include <stddef.h> // Always make sure that this is included, irrespective of
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// its potential inclusion within stlsoft/stlsoft.h
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#endif /* !STLSOFT_INCL_H_STDDEF */
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/* /////////////////////////////////////////////////////////////////////////
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* Definitions
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*/
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#ifndef NULL
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# ifdef STLSOFT_CF_PRAGMA_MESSAGE_SUPPORT
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# pragma message("NULL not defined. This is potentially dangerous. You are advised to include its defining header before stlsoft_nulldef.h")
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# endif /* STLSOFT_CF_PRAGMA_MESSAGE_SUPPORT */
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#endif /* !NULL */
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#ifdef _STLSOFT_NULL_v_DEFINED
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# ifdef __cplusplus
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# ifdef NULL
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# undef NULL
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# endif /* NULL */
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/// \def NULL
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///
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/// By including this file, \c NULL is (re-)defined to be <code>stlsoft::NULL_v()</code>
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/// which means that any use of \c NULL must be with pointer types.
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# define NULL stlsoft_ns_qual(NULL_v)::create()
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# endif /* __cplusplus */
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#endif /* _STLSOFT_NULL_v_DEFINED */
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/* ////////////////////////////////////////////////////////////////////// */
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#endif /* !STLSOFT_INCL_STLSOFT_UTIL_H_NULLDEF */
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/* ///////////////////////////// end of file //////////////////////////// */
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