urbackup_backend/fsimageplugin/fs/unknown.cpp
2011-01-06 17:43:38 +01:00

56 lines
1.5 KiB
C++

/*************************************************************************
* UrBackup - Client/Server backup system
* Copyright (C) 2011 Martin Raiber
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**************************************************************************/
#include "unknown.h"
#define DEF_BLOCKSIZE 4096
FSUnknown::FSUnknown(const std::wstring &pDev) : Filesystem(pDev)
{
int64 bitmap_entries=(int64)(dev->Size()/DEF_BLOCKSIZE);
if(dev->Size()%DEF_BLOCKSIZE!=0)
++bitmap_entries;
size_t bitmap_bytes=(size_t)(bitmap_entries/8);
if(bitmap_entries%8!=0)
++bitmap_bytes;
bitmap=new unsigned char[bitmap_bytes];
memset(bitmap, 0xFF, bitmap_bytes);
}
FSUnknown::~FSUnknown(void)
{
delete []bitmap;
}
int64 FSUnknown::getBlocksize(void)
{
return DEF_BLOCKSIZE;
}
int64 FSUnknown::getSize(void)
{
return dev->Size();
}
const unsigned char *FSUnknown::getBitmap(void)
{
return bitmap;
}