From 86d9121b94c43864765e76a4eeff066bf11c4a00 Mon Sep 17 00:00:00 2001
From: morkt <muvluv.ru@gmail.com>
Date: Sat, 24 Oct 2015 15:51:28 +0400
Subject: [PATCH] (ImageFormat.FindFormat): ignore streams less than 4 bytes
 length.

---
 GameRes/Image.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/GameRes/Image.cs b/GameRes/Image.cs
index 562bf367..8cbf35cb 100644
--- a/GameRes/Image.cs
+++ b/GameRes/Image.cs
@@ -152,6 +152,8 @@ namespace GameRes
 
         public static System.Tuple<ImageFormat, ImageMetaData> FindFormat (Stream file, string filename = null)
         {
+            if (file.Length < 4)
+                return null;
             uint signature = FormatCatalog.ReadSignature (file);
             Lazy<string> ext = null;
             if (!string.IsNullOrEmpty (filename))