Update to version 3.9.6

src/ChunkPrint.h

@@ -1,23 +1,24 @@
 // SPDX-License-Identifier: LGPL-3.0-or-later
-// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+// Copyright 2016-2026 Hristo Gochkov, Mathieu Carbou, Emil Muratov, Will Miles
 
-#ifndef CHUNKPRINT_H
-#define CHUNKPRINT_H
+#pragma once
 
 #include <Print.h>
 
 class ChunkPrint : public Print {
 private:
   uint8_t *_destination;
-  size_t _to_skip;
-  size_t _to_write;
-  size_t _pos;
+  size_t _from;
+  size_t _len;
+  size_t _index;
 
 public:
-  ChunkPrint(uint8_t *destination, size_t from, size_t len);
+  ChunkPrint(uint8_t *destination, size_t from, size_t len) : _destination(destination), _from(from), _len(len), _index(0) {}
   size_t write(uint8_t c);
   size_t write(const uint8_t *buffer, size_t size) {
     return this->Print::write(buffer, size);
   }
+  size_t written() const {
+    return _index;
+  }
 };
-#endif