private void EnsureState(ZLibNative.ZLibStreamHandle.State requiredState)
{
if (this.InitializationState != requiredState)
{
throw new InvalidOperationException("InitializationState != " + requiredState.ToString());
}
}
public ZLibStreamHandle()
: base(true)
{
this.zStream = new ZLibNative.ZStream();
this.zStream.zalloc = ZLibNative.ZNullPtr;
this.zStream.zfree = ZLibNative.ZNullPtr;
this.zStream.opaque = ZLibNative.ZNullPtr;
this.initializationState = ZLibNative.ZLibStreamHandle.State.NotInitialized;
this.handle = IntPtr.Zero;
}
public ZLibNative.ErrorCode InflateEnd()
{
this.EnsureNotDisposed();
this.EnsureState(ZLibNative.ZLibStreamHandle.State.InitializedForInflate);
RuntimeHelpers.PrepareConstrainedRegions();
ZLibNative.ErrorCode errorCode;
try
{
}
finally
{
errorCode = ZLibNative.ZLibStreamHandle.NativeZLibDLLStub.inflateEndDelegate(ref this.zStream);
this.initializationState = ZLibNative.ZLibStreamHandle.State.Disposed;
ZLibNative.ZLibStreamHandle.zlibLibraryHandle.DangerousRelease();
}
return(errorCode);
}
public ZLibNative.ErrorCode InflateInit2_(int windowBits)
{
this.EnsureNotDisposed();
this.EnsureState(ZLibNative.ZLibStreamHandle.State.NotInitialized);
bool success = false;
RuntimeHelpers.PrepareConstrainedRegions();
ZLibNative.ErrorCode errorCode;
try
{
}
finally
{
errorCode = ZLibNative.ZLibStreamHandle.NativeZLibDLLStub.inflateInit2_Delegate(ref this.zStream, windowBits, "1.2.3", Marshal.SizeOf((object)this.zStream));
this.initializationState = ZLibNative.ZLibStreamHandle.State.InitializedForInflate;
ZLibNative.ZLibStreamHandle.zlibLibraryHandle.DangerousAddRef(ref success);
}
return(errorCode);
}
