[Modify] Throw exception

7 years ago · 8aedfa8cc8
parent 4b2e166481
commit 8aedfa8cc8
1 changed files with 3 additions and 0 deletions
--- a/websocket-sharp/Net/HttpUtility.cs
+++ b/websocket-sharp/Net/HttpUtility.cs
@ -846,6 +846,9 @@ namespace WebSocketSharp.Net

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