/// <summary>Releases the unmanaged resources used by the <see cref="T:System.IO.Compression.DeflateStream" /> and optionally releases the managed resources.</summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (disposing && !this.disposed)
{
this.disposed = true;
IntPtr intPtr = this.z_stream;
this.z_stream = IntPtr.Zero;
int result = 0;
if (intPtr != IntPtr.Zero)
{
result = DeflateStream.CloseZStream(intPtr);
}
this.io_buffer = null;
if (!this.leaveOpen)
{
Stream stream = this.base_stream;
if (stream != null)
{
stream.Close();
}
this.base_stream = null;
}
DeflateStream.CheckResult(result, "Dispose");
}
if (this.data.IsAllocated)
{
this.data.Free();
this.data = default(GCHandle);
}
base.Dispose(disposing);
}
/// <summary>Flushes the contents of the internal buffer of the current stream object to the underlying stream.</summary>
/// <exception cref="T:System.ObjectDisposedException">The stream is closed.</exception>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
/// </PermissionSet>
public override void Flush()
{
if (this.disposed)
{
throw new ObjectDisposedException(base.GetType().FullName);
}
if (this.CanWrite)
{
int result = DeflateStream.Flush(this.z_stream);
DeflateStream.CheckResult(result, "Flush");
}
}
private unsafe void WriteInternal(byte[] array, int offset, int count)
{
if (count == 0)
{
return;
}
int result;
fixed(byte *ptr = ref (array != null && array.Length != 0)?ref array[0] : ref *null)
{
IntPtr buffer = new IntPtr((void *)(ptr + offset));
result = DeflateStream.WriteZStream(this.z_stream, buffer, count);
}
DeflateStream.CheckResult(result, "WriteInternal");
}