1 files changed, 68 insertions, 0 deletions
diff --git a/zip/ZipArchive/ZipFileMapping_win.h b/zip/ZipArchive/ZipFileMapping_win.h
new file mode 100644
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+++ b/zip/ZipArchive/ZipFileMapping_win.h
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+////////////////////////////////////////////////////////////////////////////////
+// This source file is part of the ZipArchive library source distribution and
+// is Copyrighted 2000 - 2007 by Artpol Software - Tadeusz Dracz
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+// 
+// For the licensing details refer to the License.txt file.
+//
+// Web Site: http://www.artpol-software.com
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef ZIPARCHIVE_ZIPFILEMAPPING_DOT_H
+	#error Do not include this file directly. Include ZipFileMapping.h instead
+#endif
+
+#include "ZipFile.h"
+namespace ZipArchiveLib
+{
+	struct CZipFileMapping
+	{
+		CZipFileMapping()
+		{
+			m_hFileMap = NULL;
+			m_pFileMap = NULL;
+		}
+		bool CreateMapping(CZipFile* pFile) 
+		{
+			if (!pFile)
+				return false;
+			m_hFileMap = CreateFileMapping((*pFile), NULL, PAGE_READWRITE,
+				0, 0, _T("ZipArchive Mapping File"));
+			if (!m_hFileMap)
+				return false;
+			// Get pointer to memory representing file
+			m_pFileMap = MapViewOfFile(m_hFileMap, FILE_MAP_WRITE, 0, 0, 0);
+			return (m_pFileMap != NULL);
+		}
+		void RemoveMapping()
+		{
+			if (m_pFileMap)
+			{
+				UnmapViewOfFile(m_pFileMap);
+				m_pFileMap = NULL;
+			}
+			if (m_hFileMap)
+			{
+				CloseHandle(m_hFileMap);
+				m_hFileMap = NULL;
+			}
+			
+		}
+		~CZipFileMapping()
+		{
+			RemoveMapping();
+		}
+		char* GetMappedMemory()
+		{
+			return reinterpret_cast<char*> (m_pFileMap);
+		}
+	protected:
+		HANDLE m_hFileMap;
+		LPVOID m_pFileMap;
+
+	};
+}