private void Init(Stream stream, Encoding encoding, int bufferSize)
{
this.stream = stream;
this.encoding = encoding;
this.encoder = encoding.GetEncoder();
if (bufferSize < MinBufferSize)
{
bufferSize = MinBufferSize;
}
charBuffer = new char[bufferSize];
byteBuffer = new byte[encoding.GetMaxByteCount(bufferSize)];
charLen = bufferSize;
// If we're appending to a Stream that already has data, don't write
// the preamble junk.
if (stream.CanSeek && stream.Position > 0)
{
haveWrittenPreamble = true;
}
closable = true;
#if _DEBUG
if (BCLDebug.CorrectnessEnabled())
{
allocatedFrom = Environment.GetStackTrace(null);
}
#endif
}