From 79d8f4a6842f583b5c521cc73661918a3c305cb2 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Wed, 10 Oct 2018 19:41:38 +0900
Subject: [PATCH] [Modify] Add it

---
 websocket-sharp/Net/HttpUtility.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/websocket-sharp/Net/HttpUtility.cs b/websocket-sharp/Net/HttpUtility.cs
index 920dbb4d..6cadb748 100644
--- a/websocket-sharp/Net/HttpUtility.cs
+++ b/websocket-sharp/Net/HttpUtility.cs
@@ -145,6 +145,22 @@ namespace WebSocketSharp.Net
                  : -1;
     }
 
+    private static int getNumber (byte[] bytes, int offset, int count)
+    {
+      var ret = 0;
+
+      var end = offset + count - 1;
+      for (var i = offset; i <= end; i++) {
+        var num = getNumber ((char) bytes[i]);
+        if (num == -1)
+          return -1;
+
+        ret = (ret << 4) + num;
+      }
+
+      return ret;
+    }
+
     private static int getNumber (string s, int offset, int count)
     {
       var ret = 0;