From c790fd21a4a5cbb19b9f85afc3d6f5d81be68dfd Mon Sep 17 00:00:00 2001
From: Adam Hathcock <adam@hathcock.uk>
Date: Fri, 19 Dec 2025 13:05:04 +0000
Subject: [PATCH] reading a single byte shouldn't be async

---
 src/SharpCompress/Compressors/LZMA/LzmaStream.cs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/SharpCompress/Compressors/LZMA/LzmaStream.cs b/src/SharpCompress/Compressors/LZMA/LzmaStream.cs
index 3b4d88b5..7272be2c 100644
--- a/src/SharpCompress/Compressors/LZMA/LzmaStream.cs
+++ b/src/SharpCompress/Compressors/LZMA/LzmaStream.cs
@@ -448,9 +448,7 @@ public class LzmaStream : Stream, IStreamStack
 
     private async Task DecodeChunkHeaderAsync(CancellationToken cancellationToken = default)
     {
-        var controlBuffer = new byte[1];
-        await ReadFullyAsync(controlBuffer, 0, 1, cancellationToken).ConfigureAwait(false);
-        var control = controlBuffer[0];
+        var control = _inputStream.ReadByte();
         _inputPosition++;
 
         if (control == 0x00)
@@ -487,8 +485,7 @@ public class LzmaStream : Stream, IStreamStack
             if (control >= 0xC0)
             {
                 _needProps = false;
-                await ReadFullyAsync(controlBuffer, 0, 1, cancellationToken).ConfigureAwait(false);
-                Properties[0] = controlBuffer[0];
+                Properties[0] = (byte)_inputStream.ReadByte();
                 _inputPosition++;
 
                 _decoder = new Decoder();