const char* mount() { return mount_point_.c_str(); }
sg_size_t size() { return size_; }
void setSize(sg_size_t size) { size_ = size; }
void setPosition(sg_size_t size) { current_position_ = size; }
void incrPosition(sg_size_t incr) { current_position_ += incr; }
sg_size_t tell() { return current_position_; }
const char* mount() { return mount_point_.c_str(); }
sg_size_t size() { return size_; }
void setSize(sg_size_t size) { size_ = size; }
void setPosition(sg_size_t size) { current_position_ = size; }
void incrPosition(sg_size_t incr) { current_position_ += incr; }
sg_size_t tell() { return current_position_; }