1// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. Use of 2// this source code is governed by a BSD-style license that can be found in the 3// LICENSE file. 4 5// +build appengine 6 7package websocket 8 9func maskBytes(key [4]byte, pos int, b []byte) int { 10 for i := range b { 11 b[i] ^= key[pos&3] 12 pos++ 13 } 14 return pos & 3 15} 16