File: mask_safe.go

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golang-github-gorilla-websocket 1.5.3-1
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// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved.  Use of
// this source code is governed by a BSD-style license that can be found in the
// LICENSE file.

//go:build appengine
// +build appengine

package websocket

func maskBytes(key [4]byte, pos int, b []byte) int {
	for i := range b {
		b[i] ^= key[pos&3]
		pos++
	}
	return pos & 3
}