// A specific constructor to allow decompression of Deflate64
internal Deflate64Stream(Stream stream, long uncompressedSize = -1)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (!stream.CanRead)
{
throw new ArgumentException("NotSupported_UnreadableStream", nameof(stream));
}
_inflater = new InflaterManaged(null, true, uncompressedSize);
_stream = stream;
_buffer = new byte[DefaultBufferSize];
}
protected override void Dispose(bool disposing)
{
try
{
PurgeBuffers(disposing);
}
finally
{
// Close the underlying stream even if PurgeBuffers threw.
// Stream.Close() may throw here (may or may not be due to the same error).
// In this case, we still need to clean up internal resources, hence the inner finally blocks.
try
{
if (disposing && _stream != null)
{
_stream.Dispose();
}
}
finally
{
_stream = null;
try
{
if (_inflater != null)
{
_inflater.Dispose();
}
}
finally
{
_inflater = null;
base.Dispose(disposing);
}
}
}
}
