[Modify] Throw exception

7 years ago · 6a3ff4964b
parent 904bbdaa36
commit 6a3ff4964b
1 changed files with 3 additions and 0 deletions
--- a/websocket-sharp/Net/HttpUtility.cs
+++ b/websocket-sharp/Net/HttpUtility.cs
@ -1042,6 +1042,9 @@ namespace WebSocketSharp.Net

    public static void HtmlEncode (string s, TextWriter output)
    {
+      if (s == null)
+        throw new ArgumentNullException ("s");
+
      if (output == null)
        throw new ArgumentNullException ("output");