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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace Duplicati.Library.Main
{
public class Blockprocessor : IDisposable
{
private Stream m_stream;
private byte[] m_buffer;
private bool m_depleted = false;
public Blockprocessor(Stream stream, byte[] buffer)
{
if (stream == null)
throw new ArgumentNullException("stream");
if (buffer == null)
throw new ArgumentNullException("buffer");
m_stream = stream;
m_buffer = buffer;
}
public int Readblock()
{
if (m_depleted)
return 0;
var bytesleft = m_buffer.Length;
var bytesread = 0;
var read = 1;
while (bytesleft > 0 && read > 0)
{
read = m_stream.Read(m_buffer, bytesread, bytesleft);
bytesleft -= read;
bytesread += read;
}
m_depleted = bytesleft != 0;
return bytesread;
}
public long Length { get { return m_stream.Length; } }
public void Dispose()
{
if (m_stream != null)
m_stream.Dispose();
m_stream = null;
m_buffer = null;
}
}
}
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