int chunk_size = size > DISK_SECTOR_SIZE ? DISK_SECTOR_SIZE : size;
disk_read (src, sector++, buffer);
if (file_write (&dst, buffer, chunk_size) != chunk_size)
int chunk_size = size > DISK_SECTOR_SIZE ? DISK_SECTOR_SIZE : size;
disk_read (src, sector++, buffer);
if (file_write (&dst, buffer, chunk_size) != chunk_size)