From 2fd9fe96ad0a20e7d628de192603e8b72673d9a3 Mon Sep 17 00:00:00 2001
From: diontools <diontools@gmail.com>
Date: Wed, 3 Jan 2018 00:23:34 +0900
Subject: [PATCH] Utility.Skip uses seek

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

diff --git a/src/SharpCompress/Utility.cs b/src/SharpCompress/Utility.cs
index 751dd29d..ae6587f6 100644
--- a/src/SharpCompress/Utility.cs
+++ b/src/SharpCompress/Utility.cs
@@ -141,6 +141,12 @@ namespace SharpCompress
 
         public static void Skip(this Stream source, long advanceAmount)
         {
+            if (source.CanSeek)
+            {
+                source.Position += advanceAmount;
+                return;
+            }
+
             byte[] buffer = GetTransferByteArray();
             try
             {