Each file is fetched and every page of it hashed before any of its bytes land, so a short or
wrong file is refused whole. A refusal after an earlier file landed carries bytesWritten, which
tells the caller the heap holds the right length and wrong bytes and must be dropped.
Writes the image's pages into a live heap.
Each file is fetched and every page of it hashed before any of its bytes land, so a short or wrong file is refused whole. A refusal after an earlier file landed carries
bytesWritten, which tells the caller the heap holds the right length and wrong bytes and must be dropped.