57 lines
2.3 KiB
C++
57 lines
2.3 KiB
C++
/*************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#include "core/copytargetfile.h"
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/** Constructs a file to write to.
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@param filename name of the file to write to
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@param sectorsize the "sector size" of the file to write to, usually the sector size of the CopySourceDevice
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*/
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CopyTargetFile::CopyTargetFile(const QString& filename, qint32 sectorsize) :
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CopyTarget(),
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m_File(filename),
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m_SectorSize(sectorsize)
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{
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}
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/** Opens the file for writing.
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@return true on success
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*/
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bool CopyTargetFile::open()
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{
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return file().open(QIODevice::WriteOnly | QIODevice::Truncate);
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}
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/** Writes the given number of sectors from the given buffer to the file.
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@param buffer the data to write
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@param writeOffset where in the file to start writing
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@param numSectors the number of sectors to write
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@return true on success
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*/
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bool CopyTargetFile::writeSectors(void* buffer, qint64 writeOffset, qint64 numSectors)
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{
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if (!file().seek(writeOffset * sectorSize()))
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return false;
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bool rval = file().write(static_cast<char*>(buffer), numSectors * sectorSize()) == numSectors * sectorSize();
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if (rval)
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setSectorsWritten(sectorsWritten() + numSectors);
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return rval;
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}
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