From b0fcc3e7590b9f3486f1edf8c2b004d035e38652 Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Sat, 20 Dec 2025 12:09:44 +0100
Subject: Add github.com/eclipse/paho.mqtt.golang

This dependency is required to use MQTT with Go.
---
 vendor/github.com/gorilla/websocket/mask.go | 55 +++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 vendor/github.com/gorilla/websocket/mask.go

(limited to 'vendor/github.com/gorilla/websocket/mask.go')

diff --git a/vendor/github.com/gorilla/websocket/mask.go b/vendor/github.com/gorilla/websocket/mask.go
new file mode 100644
index 0000000..d0742bf
--- /dev/null
+++ b/vendor/github.com/gorilla/websocket/mask.go
@@ -0,0 +1,55 @@
+// 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
+
+import "unsafe"
+
+const wordSize = int(unsafe.Sizeof(uintptr(0)))
+
+func maskBytes(key [4]byte, pos int, b []byte) int {
+	// Mask one byte at a time for small buffers.
+	if len(b) < 2*wordSize {
+		for i := range b {
+			b[i] ^= key[pos&3]
+			pos++
+		}
+		return pos & 3
+	}
+
+	// Mask one byte at a time to word boundary.
+	if n := int(uintptr(unsafe.Pointer(&b[0]))) % wordSize; n != 0 {
+		n = wordSize - n
+		for i := range b[:n] {
+			b[i] ^= key[pos&3]
+			pos++
+		}
+		b = b[n:]
+	}
+
+	// Create aligned word size key.
+	var k [wordSize]byte
+	for i := range k {
+		k[i] = key[(pos+i)&3]
+	}
+	kw := *(*uintptr)(unsafe.Pointer(&k))
+
+	// Mask one word at a time.
+	n := (len(b) / wordSize) * wordSize
+	for i := 0; i < n; i += wordSize {
+		*(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&b[0])) + uintptr(i))) ^= kw
+	}
+
+	// Mask one byte at a time for remaining bytes.
+	b = b[n:]
+	for i := range b {
+		b[i] ^= key[pos&3]
+		pos++
+	}
+
+	return pos & 3
+}
-- 
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