Function packed_object_info_with_index_pos

packfile.c:1595–1715

}

static int packed_object_info_with_index_pos(struct packed_git *p, off_t obj_offset,
					     uint32_t *maybe_index_pos, struct object_info *oi)
{
	struct pack_window *w_curs = NULL;
	size_t size;
	off_t curpos = obj_offset;
	enum object_type type = OBJ_NONE;
	uint32_t pack_pos;
	int ret;

	/*
	 * We always get the representation type, but only convert it to
	 * a "real" type later if the caller is interested.
	 */
	if (oi->contentp) {
		*oi->contentp = cache_or_unpack_entry(p->repo, p, obj_offset,
						      oi->sizep, &type);
		if (!*oi->contentp)
			type = OBJ_BAD;
	} else if (oi->sizep || oi->typep || oi->delta_base_oid) {
		type = unpack_object_header(p, &w_curs, &curpos, &size);
	}

	if (!oi->contentp && oi->sizep) {
		if (type == OBJ_OFS_DELTA || type == OBJ_REF_DELTA) {
			off_t tmp_pos = curpos;
			off_t base_offset = get_delta_base(p, &w_curs, &tmp_pos,
							   type, obj_offset);
			if (!base_offset) {
				ret = -1;
				goto out;
			}
			size = get_size_from_delta(p, &w_curs, tmp_pos);
			if (size == 0) {
				ret = -1;
				goto out;
			}
		}
		*oi->sizep = size;
	}

	if (oi->disk_sizep || (oi->mtimep && p->is_cruft)) {
		if (offset_to_pack_pos(p, obj_offset, &pack_pos) < 0) {
			error("could not find object at offset %"PRIuMAX" "
			      "in pack %s", (uintmax_t)obj_offset, p->pack_name);
			ret = -1;
			goto out;
		}
	}

	if (oi->disk_sizep)
		*oi->disk_sizep = pack_pos_to_offset(p, pack_pos + 1) - obj_offset;

	if (oi->mtimep) {
		if (p->is_cruft) {
			uint32_t index_pos;

			if (load_pack_mtimes(p) < 0)