Files
ZSNES/zsnes/src/jma/outbyte.cpp
2004-11-21 00:10:55 +00:00

65 lines
1.5 KiB
C++

/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "outbyte.h"
namespace NStream {
COutByte::COutByte(UINT32 aBufferSize):
m_BufferSize(aBufferSize)
{
m_Buffer = new BYTE[m_BufferSize];
}
COutByte::~COutByte()
{
delete []m_Buffer;
}
void COutByte::Init(ISequentialOutStream *aStream)
{
m_Stream = aStream;
m_ProcessedSize = 0;
m_Pos = 0;
}
HRESULT COutByte::Flush()
{
if (m_Pos == 0)
return S_OK;
UINT32 aProcessedSize;
HRESULT aResult = m_Stream->Write(m_Buffer, m_Pos, &aProcessedSize);
if (aResult != S_OK)
return aResult;
if (m_Pos != aProcessedSize)
return E_FAIL;
m_ProcessedSize += aProcessedSize;
m_Pos = 0;
return S_OK;
}
void COutByte::WriteBlock()
{
HRESULT aResult = Flush();
if (aResult != S_OK)
throw aResult;
}
}