[Modify] Throw exception

7 years ago · 0c8d458521
parent b9f591512c
commit 0c8d458521
1 changed files with 3 additions and 0 deletions
--- a/websocket-sharp/Net/HttpUtility.cs
+++ b/websocket-sharp/Net/HttpUtility.cs
@ -901,6 +901,9 @@ namespace WebSocketSharp.Net
    /// </param>
    public static void HtmlDecode (string s, TextWriter output)
    {
+      if (s == null)
+        throw new ArgumentNullException ("s");
+
      if (output == null)
        throw new ArgumentNullException ("output");