71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
// $Workfile: ZipFileMapping.h $
|
|
// $Archive: /ZipArchive_Linux/ZipFileMapping.h $
|
|
// $Date$ $Author$
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// This source file is part of the ZipArchive library source distribution and
|
|
// is Copyright 2000-2002 by Tadeusz Dracz (http://www.artpol-software.com/)
|
|
//
|
|
// 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 see the file License.txt
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#if !defined(AFX_AUTOHANDLE_H__D68326EA_D7FA_4792_AB1F_68D09533E399__INCLUDED_)
|
|
#define AFX_AUTOHANDLE_H__D68326EA_D7FA_4792_AB1F_68D09533E399__INCLUDED_
|
|
|
|
#if _MSC_VER > 1000
|
|
#pragma once
|
|
#endif // _MSC_VER > 1000
|
|
|
|
#include <sys/mman.h>
|
|
|
|
namespace ziparchv
|
|
{
|
|
|
|
|
|
struct CZipFileMapping
|
|
{
|
|
CZipFileMapping()
|
|
{
|
|
m_iSize = 0;
|
|
m_pFileMap = NULL;
|
|
}
|
|
bool CreateMapping(CZipFile* pFile)
|
|
{
|
|
if (!pFile)
|
|
return false;
|
|
m_iSize = pFile->GetLength();
|
|
m_pFileMap = mmap(0, m_iSize, PROT_READ|PROT_WRITE, MAP_SHARED, pFile->m_hFile, 0);
|
|
return (m_pFileMap != NULL);
|
|
}
|
|
void RemoveMapping()
|
|
{
|
|
|
|
if (m_pFileMap)
|
|
{
|
|
munmap(m_pFileMap, m_iSize);
|
|
m_pFileMap = NULL;
|
|
}
|
|
}
|
|
~CZipFileMapping()
|
|
{
|
|
RemoveMapping();
|
|
}
|
|
char* GetMappedMemory()
|
|
{
|
|
return reinterpret_cast<char*> (m_pFileMap);
|
|
}
|
|
protected:
|
|
void* m_pFileMap;
|
|
size_t m_iSize;
|
|
|
|
};
|
|
}
|
|
|
|
#endif // !defined(AFX_AUTOHANDLE_H__D68326EA_D7FA_4792_AB1F_68D09533E399__INCLUDED_)
|