36 lines
976 B
C++
36 lines
976 B
C++
//==========================================
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// Matt Pietrek
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// Microsoft Systems Journal, Feb 1997
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// FILE: MEMORYMAPPEDFILE.H
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//==========================================
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#ifndef __MEMMAPFL_H__
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#define __MEMMAPFL_H__
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enum errMMF { errMMF_NoError, errMMF_FileOpen,
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errMMF_FileMapping, errMMF_MapView };
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class MEMORY_MAPPED_FILE
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{
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public:
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MEMORY_MAPPED_FILE( PSTR pszFileName );
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~MEMORY_MAPPED_FILE(void);
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PVOID GetBase( void ){ return m_pMemoryMappedFileBase; }
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DWORD GetFileSize( void ){ return m_cbFile; }
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BOOL IsValid( void ) { return errMMF_NoError == m_errCode; }
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errMMF GetErrorType(){ return m_errCode; }
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private:
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HANDLE m_hFile;
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HANDLE m_hFileMapping; // Handle of memory mapped file
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PVOID m_pMemoryMappedFileBase;
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DWORD m_cbFile;
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errMMF m_errCode;
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};
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typedef MEMORY_MAPPED_FILE *PMEMORY_MAPPED_FILE;
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#endif
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