79 lines
1.7 KiB
C++
79 lines
1.7 KiB
C++
/**
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* \file ZipFileMapping.h
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* Interface for the CZipFileMapping class.
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*
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* \author Tadeusz Dracz
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*
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*/
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// Part of the ZipArchive library
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//
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// Copyright (C) 2000 - 2001 Tadeusz Dracz.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// For the licensing details see the file License.txt
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////////////////////////////////////////////////////////////////////////////////
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#if !defined(AFX_AUTOHANDLE_H__D68326EA_D7FA_4792_AB1F_68D09533E399__INCLUDED_)
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#define AFX_AUTOHANDLE_H__D68326EA_D7FA_4792_AB1F_68D09533E399__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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namespace ziparchv
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{
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struct CZipFileMapping
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{
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CZipFileMapping()
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{
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m_hFileMap = NULL;
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m_pFileMap = NULL;
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}
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bool CreateMapping(HANDLE hFile)
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{
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if (!hFile)
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return false;
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m_hFileMap = CreateFileMapping(hFile, NULL, PAGE_READWRITE,
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0, 0, _T("ZipArchive Mapping File"));
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if (!m_hFileMap)
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return false;
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// Get pointer to memory representing file
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m_pFileMap = MapViewOfFile(m_hFileMap, FILE_MAP_WRITE, 0, 0, 0);
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return (m_pFileMap != NULL);
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}
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void RemoveMapping()
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{
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if (m_pFileMap)
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{
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UnmapViewOfFile(m_pFileMap);
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m_pFileMap = NULL;
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}
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if (m_hFileMap)
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{
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CloseHandle(m_hFileMap);
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m_hFileMap = NULL;
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}
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}
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~CZipFileMapping()
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{
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RemoveMapping();
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}
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char* GetMappedMemory()
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{
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return reinterpret_cast<char*> (m_pFileMap);
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}
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protected:
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HANDLE m_hFileMap;
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LPVOID m_pFileMap;
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};
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}
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#endif // !defined(AFX_AUTOHANDLE_H__D68326EA_D7FA_4792_AB1F_68D09533E399__INCLUDED_)
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