helpers: buffer: Add Buffer::Sync::Size() helper

Call into Buffer::Size() for convenience.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>

Author: naushir

src/helpers/buffer.cpp

@@ -62,6 +62,11 @@ const std::array<uint8_t *, 3> &Buffer::Sync::Get() const
 	return buffer_.get().mem;
 }
 
+const std::array<size_t, 3> &Buffer::Sync::Size() const
+{
+	return buffer_.get().Size();
+}
+
 Buffer::Buffer()
 	: size(), mem(), fd({ -1, -1, -1 })
 {

src/helpers/buffer.hpp

@@ -63,6 +63,7 @@ struct Buffer::Sync
 	~Sync();
 
 	const std::array<uint8_t *, 3> &Get() const;
+	const std::array<size_t, 3> &Size() const;
 
 private:
 	BufferRef buffer_;