public ErrorCode Inflate(FlushCode flush)
{
EnsureNotDisposed();
EnsureState(State.InitializedForInflate);
return(NativeZLibDLLStub.inflateDelegate(zStreamPtr, flush));
}
public ErrorCode Deflate(FlushCode flush)
{
EnsureNotDisposed();
EnsureState(State.InitializedForDeflate);
return(NativeZLibDLLStub.deflateDelegate(ref zStream, flush));
}
public ErrorCode DeflateEnd()
{
EnsureNotDisposed();
EnsureState(State.InitializedForDeflate);
ErrorCode errC;
#if !FEATURE_NETCORE
RuntimeHelpers.PrepareConstrainedRegions();
#endif
try { } finally {
errC = NativeZLibDLLStub.deflateEndDelegate(zStreamPtr);
initializationState = State.Disposed;
zlibLibraryHandle.DangerousRelease();
}
return(errC);
}
public ErrorCode InflateInit2_(int windowBits)
{
EnsureNotDisposed();
EnsureState(State.NotInitialized);
ErrorCode errC;
bool addRefSuccess = false;
#if !FEATURE_NETCORE
RuntimeHelpers.PrepareConstrainedRegions();
#endif
try { } finally {
errC = NativeZLibDLLStub.inflateInit2_Delegate(zStreamPtr, windowBits, ZLibVersion, sizeof(ZStream));
initializationState = State.InitializedForInflate;
zlibLibraryHandle.DangerousAddRef(ref addRefSuccess);
}
Contract.Assert(addRefSuccess, "zlibLibraryHandle.DangerousAddRef in InflateInit2_ should always succeed, but it did not.");
return(errC);
}
public ErrorCode DeflateInit2_(CompressionLevel level, int windowBits, int memLevel, CompressionStrategy strategy)
{
EnsureNotDisposed();
EnsureState(State.NotInitialized);
ErrorCode errC;
bool addRefSuccess = false;
#if !FEATURE_NETCORE
RuntimeHelpers.PrepareConstrainedRegions();
#endif
try { } finally {
errC = NativeZLibDLLStub.deflateInit2_Delegate(ref zStream, level, CompressionMethod.Deflated, windowBits, memLevel,
strategy, ZLibVersion, Marshal.SizeOf(zStream));
initializationState = State.InitializedForDeflate;
zlibLibraryHandle.DangerousAddRef(ref addRefSuccess);
}
Contract.Assert(addRefSuccess, "zlibLibraryHandle.DangerousAddRef in DeflateInit2_ should always succeed, but it did not.");
return(errC);
}
internal static Int32 ZLibCompileFlags()
{
return(NativeZLibDLLStub.zlibCompileFlagsDelegate());
}