Method allocate

src/allocator.cpp:37–45

{
public:
  virtual Buffer *allocate(size_t size)
  {
    Buffer *b = new Buffer;
    b->data = new unsigned char[size];
    b->length = 0;
    b->capacity = size;
    b->allocator = this;
    return b;
  }

  virtual void free(Buffer *b)
  {