You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
976 B
C++
36 lines
976 B
C++
15 years ago
|
//==========================================
|
||
|
|
// Matt Pietrek
|
||
|
|
// Microsoft Systems Journal, Feb 1997
|
||
|
|
// FILE: MEMORYMAPPEDFILE.H
|
||
|
|
//==========================================
|
||
|
|
#ifndef __MEMMAPFL_H__
|
||
|
|
#define __MEMMAPFL_H__
|
||
|
|
|
||
|
|
enum errMMF { errMMF_NoError, errMMF_FileOpen,
|
||
|
|
errMMF_FileMapping, errMMF_MapView };
|
||
|
|
|
||
|
|
class MEMORY_MAPPED_FILE
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
MEMORY_MAPPED_FILE( PSTR pszFileName );
|
||
|
|
~MEMORY_MAPPED_FILE(void);
|
||
|
|
|
||
|
|
PVOID GetBase( void ){ return m_pMemoryMappedFileBase; }
|
||
|
|
DWORD GetFileSize( void ){ return m_cbFile; }
|
||
|
|
BOOL IsValid( void ) { return errMMF_NoError == m_errCode; }
|
||
|
|
errMMF GetErrorType(){ return m_errCode; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
HANDLE m_hFile;
|
||
|
|
HANDLE m_hFileMapping; // Handle of memory mapped file
|
||
|
|
PVOID m_pMemoryMappedFileBase;
|
||
|
|
DWORD m_cbFile;
|
||
|
|
errMMF m_errCode;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef MEMORY_MAPPED_FILE *PMEMORY_MAPPED_FILE;
|
||
|
|
|
||
|
|
#endif
|