From 1e22b47fe1f9ef71f64ff5dc62123f67a49132d2 Mon Sep 17 00:00:00 2001
From: Adam Hathcock <adam@hathcock.uk>
Date: Fri, 31 Oct 2025 11:23:30 +0000
Subject: [PATCH] some fixes

---
 .../Compressors/LZMA/LZipStream.cs            |  2 +-
 .../Compressors/LZMA/LzmaDecoder.cs           | 29 +++----------------
 2 files changed, 5 insertions(+), 26 deletions(-)

diff --git a/src/SharpCompress/Compressors/LZMA/LZipStream.cs b/src/SharpCompress/Compressors/LZMA/LZipStream.cs
index 9b6eef57..e7059003 100644
--- a/src/SharpCompress/Compressors/LZMA/LZipStream.cs
+++ b/src/SharpCompress/Compressors/LZMA/LZipStream.cs
@@ -197,7 +197,7 @@ public sealed class LZipStream : Stream, IStreamStack
         byte[] buffer,
         int offset,
         int count,
-        CancellationToken cancellationToken = default
+        CancellationToken cancellationToken
     )
     {
         cancellationToken.ThrowIfCancellationRequested();
diff --git a/src/SharpCompress/Compressors/LZMA/LzmaDecoder.cs b/src/SharpCompress/Compressors/LZMA/LzmaDecoder.cs
index 4baa9061..1de9dc2f 100644
--- a/src/SharpCompress/Compressors/LZMA/LzmaDecoder.cs
+++ b/src/SharpCompress/Compressors/LZMA/LzmaDecoder.cs
@@ -1,6 +1,7 @@
 #nullable disable
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using SharpCompress.Compressors.LZMA.LZ;
 using SharpCompress.Compressors.LZMA.RangeCoder;
@@ -199,6 +200,9 @@ public class Decoder : ICoder, ISetDecoderProperties // ,System.IO.Stream
         }
     }
 
+#if !NETFRAMEWORK && !NETSTANDARD2_0
+    [MemberNotNull(nameof(_outWindow))]
+#endif
     private void CreateDictionary()
     {
         if (_dictionarySize < 0)
@@ -470,29 +474,4 @@ public class Decoder : ICoder, ISetDecoderProperties // ,System.IO.Stream
         }
         _outWindow.Train(stream);
     }
-
-    /*
-    public override bool CanRead { get { return true; }}
-    public override bool CanWrite { get { return true; }}
-    public override bool CanSeek { get { return true; }}
-    public override long Length { get { return 0; }}
-    public override long Position
-    {
-        get { return 0;	}
-        set { }
-    }
-    public override void Flush() { }
-    public override int Read(byte[] buffer, int offset, int count)
-    {
-        return 0;
-    }
-    public override void Write(byte[] buffer, int offset, int count)
-    {
-    }
-    public override long Seek(long offset, System.IO.SeekOrigin origin)
-    {
-        return 0;
-    }
-    public override void SetLength(long value) {}
-    */
 }