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// Windows/FileDevice.cpp
#include "StdAfx.h"
#include "FileDevice.h"
namespace NWindows {
namespace NFile {
namespace NDevice {
bool CFileBase::GetLengthSmart(UInt64 &length)
{
PARTITION_INFORMATION partInfo;
if (GetPartitionInfo(&partInfo))
{
length = partInfo.PartitionLength.QuadPart;
return true;
}
DISK_GEOMETRY geom;
if (!GetGeometry(&geom))
if (!GetCdRomGeometry(&geom))
return false;
length = geom.Cylinders.QuadPart * geom.TracksPerCylinder * geom.SectorsPerTrack * geom.BytesPerSector;
return true;
}
bool CInFile::Open(LPCTSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes)
{ return Create(fileName, GENERIC_READ, shareMode, creationDisposition, flagsAndAttributes); }
bool CInFile::Open(LPCTSTR fileName)
{ return Open(fileName, FILE_SHARE_READ, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL); }
#ifndef _UNICODE
bool CInFile::Open(LPCWSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes)
{ return Create(fileName, GENERIC_READ, shareMode, creationDisposition, flagsAndAttributes); }
bool CInFile::Open(LPCWSTR fileName)
{ return Open(fileName, FILE_SHARE_READ, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL); }
#endif
bool CInFile::Read(void *data, UInt32 size, UInt32 &processedSize)
{
DWORD processedLoc = 0;
bool res = BOOLToBool(::ReadFile(_handle, data, size, &processedLoc, NULL));
processedSize = (UInt32)processedLoc;
return res;
}
}}}
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