Renamed JsonBuffer to MemoryPool

src/ArduinoJson/Memory/MemoryPool.hpp

@@ -0,0 +1,42 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#include <stddef.h>  // for size_t
+#include <stdint.h>  // for uint8_t
+#include <string.h>
+
+#include "../Configuration.hpp"
+#include "../Polyfills/attributes.hpp"
+
+namespace ArduinoJson {
+namespace Internals {
+// Handle the memory management (done in derived classes) and calls the parser.
+// This abstract class is implemented by StaticMemoryPool which implements a
+// fixed memory allocation.
+class MemoryPool {
+ public:
+  // Allocates n bytes in the MemoryPool.
+  // Return a pointer to the allocated memory or NULL if allocation fails.
+  virtual void *alloc(size_t size) = 0;
+
+ protected:
+  // CAUTION: NO VIRTUAL DESTRUCTOR!
+  // If we add a virtual constructor the Arduino compiler will add malloc()
+  // and free() to the binary, adding 706 useless bytes.
+  ~MemoryPool() {}
+
+  // Preserve aligment if necessary
+  static FORCE_INLINE size_t round_size_up(size_t bytes) {
+#if ARDUINOJSON_ENABLE_ALIGNMENT
+    const size_t x = sizeof(void *) - 1;
+    return (bytes + x) & ~x;
+#else
+    return bytes;
+#endif
+  }
+};
+}  // namespace Internals
+}  // namespace ArduinoJson