update_adler32
checksum = update_adler32(checksum, buffer, 10);
checksum = update_adler32(checksum, shown_name,
checksum = update_adler32(1L, result, chunk_size);
checksum = update_adler32(1L, pin_buff->data, bytes_read);
checksum = update_adler32(1L, buffer, chunk_size);
checksum = update_adler32(checksum,
checksum = update_adler32(1L, compressed_buffer,