From cc3848aea5cfab5fb4f51b873dc81af84f331e77 Mon Sep 17 00:00:00 2001
From: Adam Hathcock <adam@hathcock.co.uk>
Date: Fri, 20 Dec 2013 15:00:17 +0000
Subject: [PATCH] Remove write check as I never actually write to any of the
 read streams

---
 SharpCompress/Archive/AbstractWritableArchive.cs | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/SharpCompress/Archive/AbstractWritableArchive.cs b/SharpCompress/Archive/AbstractWritableArchive.cs
index 53bc9a75..7cf81902 100644
--- a/SharpCompress/Archive/AbstractWritableArchive.cs
+++ b/SharpCompress/Archive/AbstractWritableArchive.cs
@@ -15,7 +15,6 @@ namespace SharpCompress.Archive
 
         private readonly List<TEntry> modifiedEntries = new List<TEntry>();
         private bool hasModifications;
-        private readonly bool anyNotWritable;
 
         internal AbstractWritableArchive(ArchiveType type)
             : base(type)
@@ -25,10 +24,6 @@ namespace SharpCompress.Archive
         internal AbstractWritableArchive(ArchiveType type, Stream stream, Options options)
             : base(type, stream.AsEnumerable(), options)
         {
-            if (!stream.CanWrite)
-            {
-                anyNotWritable = true;
-            }
         }
 
 #if !PORTABLE && !NETFX_CORE
@@ -38,14 +33,6 @@ namespace SharpCompress.Archive
         }
 #endif
 
-        private void CheckWritable()
-        {
-            if (anyNotWritable)
-            {
-                throw new ArchiveException("All Archive streams must be Writable to use Archive writing functionality.");
-            }
-        }
-
         public override ICollection<TEntry> Entries
         {
             get
@@ -73,7 +60,6 @@ namespace SharpCompress.Archive
 
         public void RemoveEntry(TEntry entry)
         {
-            CheckWritable();
             if (!removedEntries.Contains(entry))
             {
                 removedEntries.Add(entry);
@@ -84,7 +70,6 @@ namespace SharpCompress.Archive
         public void AddEntry(string filePath, Stream source,
                              long size = 0, DateTime? modified = null)
         {
-            CheckWritable();
             newEntries.Add(CreateEntry(filePath, source, size, modified, false));
             RebuildModifiedCollection();
         }
@@ -92,7 +77,6 @@ namespace SharpCompress.Archive
         public void AddEntry(string filePath, Stream source, bool closeStream,
                              long size = 0, DateTime? modified = null)
         {
-            CheckWritable();
             newEntries.Add(CreateEntry(filePath, source, size, modified, closeStream));
             RebuildModifiedCollection();
         }