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////////////////////////////////////////////////////////////////////////////////
// This source file is part of the ZipArchive library source distribution and
// is Copyrighted 2000 - 2007 by Artpol Software - Tadeusz Dracz
//
// 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 refer to the License.txt file.
//
// Web Site: http://www.artpol-software.com
////////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "ZipArchive.h"
#include "ZipExtraData.h"
#include "BytesWriter.h"
using namespace ZipArchiveLib;
bool CZipExtraData::Read(char* buffer, WORD uSize)
{
if (uSize < 4)
return false;
WORD size;
CBytesWriter::ReadBytes(m_uHeaderID, buffer);
CBytesWriter::ReadBytes(size, buffer + 2);
if (uSize - 4 < size)
return false;
m_data.Allocate(size);
memcpy(m_data, buffer + 4, size);
return true;
}
WORD CZipExtraData::Write(char* buffer)const
{
CBytesWriter::WriteBytes(buffer, m_uHeaderID);
WORD size = (WORD)m_data.GetSize();
CBytesWriter::WriteBytes(buffer + 2, size);
memcpy(buffer + 4, m_data, size);
return (WORD)(size + 4);
}
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