Function packfile_read_object_stream

packfile.c:2933–2974

}

int packfile_read_object_stream(struct odb_read_stream **out,
				const struct object_id *oid,
				struct packed_git *pack,
				off_t offset)
{
	struct odb_packed_read_stream *stream;
	struct pack_window *window = NULL;
	enum object_type in_pack_type;
	size_t size;

	in_pack_type = unpack_object_header(pack, &window, &offset, &size);
	unuse_pack(&window);

	if (repo_settings_get_big_file_threshold(pack->repo) >= size)
		return -1;

	switch (in_pack_type) {
	default:
		return -1; /* we do not do deltas for now */
	case OBJ_BAD:
		mark_bad_packed_object(pack, oid);
		return -1;
	case OBJ_COMMIT:
	case OBJ_TREE:
	case OBJ_BLOB:
	case OBJ_TAG:
		break;
	}

	CALLOC_ARRAY(stream, 1);
	stream->base.close = close_istream_pack_non_delta;
	stream->base.read = read_istream_pack_non_delta;
	stream->base.type = in_pack_type;
	stream->base.size = size;
	stream->z_state = ODB_PACKED_READ_STREAM_UNINITIALIZED;
	stream->pack = pack;
	stream->pos = offset;

	*out = &stream->base;

	return 0;
}

int packfile_store_read_object_stream(struct odb_read_stream **out,
				      struct packfile_store *store,