Function odb_read_stream_open

odb/streaming.c:211–233

}

struct odb_read_stream *odb_read_stream_open(struct object_database *odb,
					     const struct object_id *oid,
					     struct stream_filter *filter)
{
	struct odb_read_stream *st;
	const struct object_id *real = lookup_replace_object(odb->repo, oid);
	int ret = istream_source(&st, odb, real);

	if (ret)
		return NULL;

	if (filter) {
		/* Add "&& !is_null_stream_filter(filter)" for performance */
		struct odb_read_stream *nst = attach_stream_filter(st, filter);
		if (!nst) {
			odb_read_stream_close(st);
			return NULL;
		}
		st = nst;
	}

	return st;
}

ssize_t odb_write_stream_read(struct odb_write_stream *st, void *buf, size_t sz)
{