dcomp := r.decompressors[method]
	if dcomp == nil {
		dcomp = decompressor(method)
	}
	return dcomp
}

// Close closes the Zip file, rendering it unusable for I/O.
func (rc *ReadCloser) Close() error {
	return rc.f.Close()
}

// DataOffset returns the offset of the file's possibly-compressed
// data, relative to the beginning of the zip file.
//