From cf50311b9c39788e16c0ebe03aa02c73f2ee0f78 Mon Sep 17 00:00:00 2001
From: Adam Hathcock <ADH@chersoft.com>
Date: Tue, 6 Jan 2026 12:45:13 +0000
Subject: [PATCH] Skip should use framework stuff

---
 src/SharpCompress/Utility.cs | 41 ++++++------------------------------
 1 file changed, 6 insertions(+), 35 deletions(-)

diff --git a/src/SharpCompress/Utility.cs b/src/SharpCompress/Utility.cs
index 6c627602..34325970 100644
--- a/src/SharpCompress/Utility.cs
+++ b/src/SharpCompress/Utility.cs
@@ -71,48 +71,19 @@ internal static class Utility
             return;
         }
 
-        using var buffer = MemoryPool<byte>.Shared.Rent(TEMP_BUFFER_SIZE);
-        while (advanceAmount > 0)
-        {
-            var toRead = (int)Math.Min(buffer.Memory.Length, advanceAmount);
-            var read = source.Read(buffer.Memory.Slice(0, toRead).Span);
-            if (read <= 0)
-            {
-                break;
-            }
-            advanceAmount -= read;
-        }
+        using var readOnlySubStream = new IO.ReadOnlySubStream(source, advanceAmount);
+        readOnlySubStream.CopyTo(Stream.Null);
     }
 
-    public static void Skip(this Stream source)
-    {
-        using var buffer = MemoryPool<byte>.Shared.Rent(TEMP_BUFFER_SIZE);
-        while (source.Read(buffer.Memory.Span) > 0) { }
-    }
+    public static void Skip(this Stream source) => source.CopyTo(Stream.Null);
 
-    public static async Task SkipAsync(
+    public static Task SkipAsync(
         this Stream source,
         CancellationToken cancellationToken = default
     )
     {
-        var array = ArrayPool<byte>.Shared.Rent(TEMP_BUFFER_SIZE);
-        try
-        {
-            while (true)
-            {
-                var read = await source
-                    .ReadAsync(array, 0, array.Length, cancellationToken)
-                    .ConfigureAwait(false);
-                if (read <= 0)
-                {
-                    break;
-                }
-            }
-        }
-        finally
-        {
-            ArrayPool<byte>.Shared.Return(array);
-        }
+        cancellationToken.ThrowIfCancellationRequested();
+        return source.CopyToAsync(Stream.Null);
     }
 
     public static DateTime DosDateToDateTime(ushort iDate, ushort iTime)