Пример #1
0
static int sun_set_partition(
		struct fdisk_context *cxt,
		size_t i,
		struct fdisk_partition *pa)
{
	struct sun_disklabel *sunlabel;
	struct sun_partition *part;
	struct sun_info *info;

	assert(cxt);
	assert(cxt->label);
	assert(fdisk_is_label(cxt, SUN));

	sunlabel = self_disklabel(cxt);

	if (i >= cxt->label->nparts_max)
		return -EINVAL;

	if (pa->type) {
		struct fdisk_parttype *t = pa->type;

		if (t->code > UINT16_MAX)
			return -EINVAL;

		if (i == 2 && t->code != SUN_TAG_WHOLEDISK)
			fdisk_info(cxt, _("Consider leaving partition 3 as Whole disk (5),\n"
			         "as SunOS/Solaris expects it and even Linux likes it.\n"));

		part = &sunlabel->partitions[i];
		info = &sunlabel->vtoc.infos[i];

		if (cxt->script == NULL &&
		    t->code == SUN_TAG_LINUX_SWAP && !part->start_cylinder) {
			int yes, rc;

			rc = fdisk_ask_yesno(cxt,
			      _("It is highly recommended that the partition at offset 0\n"
			      "is UFS, EXT2FS filesystem or SunOS swap. Putting Linux swap\n"
			      "there may destroy your partition table and bootblock.\n"
			      "Are you sure you want to tag the partition as Linux swap?"), &yes);
			if (rc)
				return rc;
			if (!yes)
				return 1;
		}

		switch (t->code) {
		case SUN_TAG_SWAP:
		case SUN_TAG_LINUX_SWAP:
			/* swaps are not mountable by default */
			info->flags |= cpu_to_be16(SUN_FLAG_UNMNT);
			break;
		default:
			/* assume other types are mountable;
			   user can change it anyway */
			info->flags &= ~cpu_to_be16(SUN_FLAG_UNMNT);
			break;
		}
		info->id = cpu_to_be16(t->code);
	}

	if (fdisk_partition_has_start(pa))
		sunlabel->partitions[i].start_cylinder =
			cpu_to_be32(pa->start / (cxt->geom.heads * cxt->geom.sectors));
	if (fdisk_partition_has_size(pa))
		sunlabel->partitions[i].num_sectors = cpu_to_be32(pa->size);

	fdisk_label_set_changed(cxt->label, 1);
	return 0;
}
Пример #2
0
static int sun_add_partition(
		struct fdisk_context *cxt,
		struct fdisk_partition *pa,
		size_t *partno)
{
	struct sun_disklabel *sunlabel = self_disklabel(cxt);
	uint32_t starts[SUN_MAXPARTITIONS], lens[SUN_MAXPARTITIONS];
	struct sun_partition *part;
	struct sun_info *info;
	uint32_t start, stop, stop2;
	int whole_disk = 0;
	int sys = pa && pa->type ? pa->type->code : SUN_TAG_LINUX_NATIVE;
	int rc;
	size_t n;

	char mesg[256];
	size_t i;
	unsigned int first, last;

	rc = fdisk_partition_next_partno(pa, cxt, &n);
	if (rc)
		return rc;

	part = &sunlabel->partitions[n];
	info = &sunlabel->vtoc.infos[n];

	if (part->num_sectors && be16_to_cpu(info->id) != SUN_TAG_UNASSIGNED) {
		fdisk_info(cxt, _("Partition %zu is already defined.  Delete "
			"it before re-adding it."), n + 1);
		return -EINVAL;
	}

	fetch_sun(cxt, starts, lens, &start, &stop);

	if (stop <= start) {
		if (n == 2)
			whole_disk = 1;
		else {
			fdisk_info(cxt, _("Other partitions already cover the "
				"whole disk. Delete some/shrink them before retry."));
			return -EINVAL;
		}
	}

	if (pa && pa->start_follow_default)
		first = start;
	else if (pa && fdisk_partition_has_start(pa)) {
		first = pa->start;

		if (!whole_disk && !is_free_sector(cxt, first, starts, lens))
			return -ERANGE;
	} else {
		struct fdisk_ask *ask;

		snprintf(mesg, sizeof(mesg), _("First %s"),
				fdisk_get_unit(cxt, FDISK_SINGULAR));
		for (;;) {
			ask = fdisk_new_ask();
			if (!ask)
				return -ENOMEM;

			fdisk_ask_set_query(ask, mesg);
			fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER);

			if (whole_disk) {
				fdisk_ask_number_set_low(ask,     0);	/* minimal */
				fdisk_ask_number_set_default(ask, 0);	/* default */
				fdisk_ask_number_set_high(ask,    0);	/* maximal */
			} else {
				fdisk_ask_number_set_low(ask,     fdisk_scround(cxt, start));	/* minimal */
				fdisk_ask_number_set_default(ask, fdisk_scround(cxt, start));	/* default */
				fdisk_ask_number_set_high(ask,    fdisk_scround(cxt, stop));	/* maximal */
			}
			rc = fdisk_do_ask(cxt, ask);
			first = fdisk_ask_number_get_result(ask);
			fdisk_unref_ask(ask);
			if (rc)
				return rc;

			if (fdisk_use_cylinders(cxt))
				first *= fdisk_get_units_per_sector(cxt);

			/* ewt asks to add: "don't start a partition at cyl 0"
			   However, [email protected] writes:
			   "In addition to having a Sun partition table, to be able to
			   boot from the disc, the first partition, /dev/sdX1, must
			   start at cylinder 0. This means that /dev/sdX1 contains
			   the partition table and the boot block, as these are the
			   first two sectors of the disc. Therefore you must be
			   careful what you use /dev/sdX1 for. In particular, you must
			   not use a partition starting at cylinder 0 for Linux swap,
			   as that would overwrite the partition table and the boot
			   block. You may, however, use such a partition for a UFS
			   or EXT2 file system, as these file systems leave the first
			   1024 bytes undisturbed. */
			/* On the other hand, one should not use partitions
			   starting at block 0 in an md, or the label will
			   be trashed. */
			if (!is_free_sector(cxt, first, starts,  lens) && !whole_disk) {
				if (n == 2 && !first) {
				    whole_disk = 1;
				    break;
				}
				fdisk_warnx(cxt, _("Sector %d is already allocated"), first);
			} else
				break;
		}
	}

	if (n == 2 && first != 0)
		fdisk_warnx(cxt, _("It is highly recommended that the "
				   "third partition covers the whole disk "
				   "and is of type `Whole disk'"));

	if (!fdisk_use_cylinders(cxt)) {
		/* Starting sector has to be properly aligned */
		int cs = cxt->geom.heads * cxt->geom.sectors;
		int x = first % cs;

		if (x) {
			fdisk_info(cxt, _("Aligning the first sector from %u to %u "
					  "to be on cylinder boundary."),
					first, first + cs - x);
			first += cs - x;
		}
	}

	stop = cxt->geom.cylinders * cxt->geom.heads * cxt->geom.sectors;	/* ancient */
	stop2 = stop;
	for (i = 0; i < cxt->label->nparts_max; i++) {
		if (starts[i] > first && starts[i] < stop)
			stop = starts[i];
	}

	/* last */
	if (pa && pa->end_follow_default)
		last = whole_disk || (n == 2 && !first) ? stop2 : stop;
	else if (pa && fdisk_partition_has_size(pa)) {
		last = first + pa->size - 1ULL;

		if (!whole_disk && last > stop)
			return -ERANGE;
	} else {
		struct fdisk_ask *ask = fdisk_new_ask();

		if (!ask)
			return -ENOMEM;

		snprintf(mesg, sizeof(mesg),
			 _("Last %s or +%s or +size{K,M,G,T,P}"),
			 fdisk_get_unit(cxt, FDISK_SINGULAR),
			 fdisk_get_unit(cxt, FDISK_PLURAL));
		fdisk_ask_set_query(ask, mesg);
		fdisk_ask_set_type(ask, FDISK_ASKTYPE_OFFSET);

		if (whole_disk) {
			fdisk_ask_number_set_low(ask,     fdisk_scround(cxt, stop2));	/* minimal */
			fdisk_ask_number_set_default(ask, fdisk_scround(cxt, stop2));	/* default */
			fdisk_ask_number_set_high(ask,    fdisk_scround(cxt, stop2));	/* maximal */
			fdisk_ask_number_set_base(ask,    0);
		} else if (n == 2 && !first) {
			fdisk_ask_number_set_low(ask,     fdisk_scround(cxt, first));	/* minimal */
			fdisk_ask_number_set_default(ask, fdisk_scround(cxt, stop2));	/* default */
			fdisk_ask_number_set_high(ask,    fdisk_scround(cxt, stop2));	/* maximal */
			fdisk_ask_number_set_base(ask,	  fdisk_scround(cxt, first));
		} else {
			fdisk_ask_number_set_low(ask,     fdisk_scround(cxt, first));	/* minimal */
			fdisk_ask_number_set_default(ask, fdisk_scround(cxt, stop));	/* default */
			fdisk_ask_number_set_high(ask,    fdisk_scround(cxt, stop));	/* maximal */
			fdisk_ask_number_set_base(ask,    fdisk_scround(cxt, first));
		}

		if (fdisk_use_cylinders(cxt))
			fdisk_ask_number_set_unit(ask,
				     cxt->sector_size *
				     fdisk_get_units_per_sector(cxt));
		else
			fdisk_ask_number_set_unit(ask,	cxt->sector_size);

		rc = fdisk_do_ask(cxt, ask);
		last = fdisk_ask_number_get_result(ask);

		fdisk_unref_ask(ask);
		if (rc)
			return rc;
		if (fdisk_use_cylinders(cxt))
			last *= fdisk_get_units_per_sector(cxt);
	}

	if (n == 2 && !first) {
		if (last >= stop2) {
		    whole_disk = 1;
		    last = stop2;
		} else if (last > stop) {
		    fdisk_warnx(cxt,
   _("You haven't covered the whole disk with the 3rd partition, but your value\n"
     "%lu %s covers some other partition. Your entry has been changed\n"
     "to %lu %s"),
			(unsigned long) fdisk_scround(cxt, last), fdisk_get_unit(cxt, FDISK_SINGULAR),
			(unsigned long) fdisk_scround(cxt, stop), fdisk_get_unit(cxt, FDISK_SINGULAR));
		    last = stop;
		}
	} else if (!whole_disk && last > stop)
		last = stop;

	if (whole_disk)
		sys = SUN_TAG_WHOLEDISK;

	set_partition(cxt, n, first, last, sys);
	cxt->label->nparts_cur = count_used_partitions(cxt);
	if (partno)
		*partno = n;
	return 0;
}
Пример #3
0
/*
 * Uses template @tpl to recount start and size change of the partition @res. The
 * @tpl->size and @tpl->start are interpreted as relative to the current setting.
 */
static int recount_resize(
			struct fdisk_context *cxt, size_t partno,
			struct fdisk_partition *res, struct fdisk_partition *tpl)
{
	fdisk_sector_t start, size;
	struct fdisk_partition *cur = NULL;
	struct fdisk_table *tb = NULL;
	int rc;

	DBG(PART, ul_debugobj(tpl, "resize requested"));

	FDISK_INIT_UNDEF(start);
	FDISK_INIT_UNDEF(size);

	rc = fdisk_get_partitions(cxt, &tb);
	if (!rc)
		rc = fdisk_get_freespaces(cxt, &tb);
	if (rc)
		return rc;

	cur = fdisk_table_get_partition_by_partno(tb, partno);
	if (!cur) {
		fdisk_unref_table(tb);
		return -EINVAL;
	}

	/* 1a) set new start - change relative to the current on-disk setting */
	if (tpl->movestart && fdisk_partition_has_start(tpl)) {
		start = fdisk_partition_get_start(cur);
		if (tpl->movestart == FDISK_MOVE_DOWN) {
			if (fdisk_partition_get_start(tpl) > start)
				goto erange;
			start -= fdisk_partition_get_start(tpl);
		} else
			start += fdisk_partition_get_start(tpl);

	/* 1b) set new start - absolute number */
	} else if (fdisk_partition_has_start(tpl))
		start = fdisk_partition_get_start(tpl);

	/* 2) verify that start is within the current partition or any freespace area */
	if (!FDISK_IS_UNDEF(start)) {
		struct fdisk_partition *area = resize_get_by_offset(tb, start);
		if (area == cur)
			DBG(PART, ul_debugobj(tpl, "resize: start points to the current partition"));
		else if (area && fdisk_partition_is_freespace(area))
			DBG(PART, ul_debugobj(tpl, "resize: start points to freespace"));
		else if (!area && start >= cxt->first_lba && start < cxt->first_lba + (cxt->grain / cxt->sector_size))
			DBG(PART, ul_debugobj(tpl, "resize: start points before first partition"));
		else
			goto erange;
	} else {
		/* no change, start points to the current partition */
		start = fdisk_partition_get_start(cur);
	}

	/* 3a) set new size -- reduce */
	if (tpl->resize == FDISK_RESIZE_REDUCE && fdisk_partition_has_size(tpl)) {
		DBG(PART, ul_debugobj(tpl, "resize: reduce"));
		size = fdisk_partition_get_size(cur);
		if (fdisk_partition_get_size(tpl) > size)
			goto erange;
		size -= fdisk_partition_get_size(tpl);

	/* 3b) set new size -- enlarge */
	} else if (tpl->resize == FDISK_RESIZE_ENLARGE && fdisk_partition_has_size(tpl)) {
		DBG(PART, ul_debugobj(tpl, "resize: enlarge"));
		size = fdisk_partition_get_size(cur);
		size += fdisk_partition_get_size(tpl);

	/* 3c) set new size -- no size specified, enlarge to all freespace */
	} else if (tpl->resize == FDISK_RESIZE_ENLARGE) {
		DBG(PART, ul_debugobj(tpl, "resize: enlarge to all possible"));
		if (resize_get_last_possible(tb, cur, start, &size))
			goto erange;

	/* 3d) set new size -- absolute number */
	} else if (fdisk_partition_has_size(tpl)) {
		DBG(PART, ul_debugobj(tpl, "resize: new absolute size"));
		size = fdisk_partition_get_size(tpl);
	}

	/* 4) verify that size is within the current partition or next free space */
	if (!FDISK_IS_UNDEF(size)) {
		fdisk_sector_t maxsz;
		if (resize_get_last_possible(tb, cur, start, &maxsz))
			goto erange;
		DBG(PART, ul_debugobj(tpl, "resize: size wanted=%ju, max=%ju",
					(uintmax_t) size, (uintmax_t) maxsz));
		if (size > maxsz)
			goto erange;
	}

	DBG(PART, ul_debugobj(tpl, "resize: SUCCESS: start %ju->%ju; size %ju->%ju",
			(uintmax_t) fdisk_partition_get_start(cur), (uintmax_t) start,
			(uintmax_t) fdisk_partition_get_size(cur), (uintmax_t) size));
	res->start = start;
	res->size = size;
	fdisk_unref_table(tb);
	return 0;
erange:
	DBG(PART, ul_debugobj(tpl, "resize: FAILED"));
	fdisk_warnx(cxt, _("Failed to resize partition #%zu."), partno + 1);
	fdisk_unref_table(tb);
	return -ERANGE;

}
Пример #4
0
/**
 * fdisk_partition_to_string:
 * @pa: partition
 * @cxt: context
 * @id: field (FDISK_FIELD_*)
 * @data: returns string with allocated data
 *
 * Returns info about partition converted to printable string.
 *
 * For example
 * <informalexample>
 *   <programlisting>
 *      struct fdisk_parition *pa;
 *
 *      fdisk_get_partition(cxt, 0, &pa);
 *	fdisk_partition_to_string(pa, FDISK_FIELD_UUID, &data);
 *	printf("first partition uuid: %s\n", data);
 *	free(data);
 *	fdisk_unref_partition(pa);
 *   </programlisting>
 * </informalexample>
 *
 * returns UUID for the first partition.
 *
 * Returns: 0 on success, otherwise, a corresponding error.
 */
int fdisk_partition_to_string(struct fdisk_partition *pa,
			      struct fdisk_context *cxt,
			      int id,
			      char **data)
{
	char *p = NULL;
	int rc = 0;
	uint64_t x;

	if (!pa || !cxt || !data)
		return -EINVAL;

	switch (id) {
	case FDISK_FIELD_DEVICE:
		if (pa->freespace)
			p = strdup(_("Free space"));
		else if (fdisk_partition_has_partno(pa) && cxt->dev_path) {
			if (cxt->label->flags & FDISK_LABEL_FL_INCHARS_PARTNO)
				rc = asprintf(&p, "%c", (int) pa->partno + 'a');
			else
				p = fdisk_partname(cxt->dev_path, pa->partno + 1);
		}
		break;
	case FDISK_FIELD_BOOT:
		p = fdisk_partition_is_bootable(pa) ? strdup("*") : NULL;
		break;
	case FDISK_FIELD_START:
		if (fdisk_partition_has_start(pa)) {
			x = fdisk_cround(cxt, pa->start);
			rc = pa->start_post ?
				asprintf(&p, "%ju%c", x, pa->start_post) :
				asprintf(&p, "%ju", x);
		}
		break;
	case FDISK_FIELD_END:
		if (fdisk_partition_has_end(pa)) {
			x = fdisk_cround(cxt, fdisk_partition_get_end(pa));
			rc = pa->end_post ?
					asprintf(&p, "%ju%c", x, pa->end_post) :
					asprintf(&p, "%ju", x);
		}
		break;
	case FDISK_FIELD_SIZE:
		if (fdisk_partition_has_size(pa)) {
			uint64_t sz = pa->size * cxt->sector_size;

			switch (cxt->sizeunit) {
			case FDISK_SIZEUNIT_BYTES:
				rc = asprintf(&p, "%ju", sz);
				break;
			case FDISK_SIZEUNIT_HUMAN:
				if (fdisk_is_details(cxt))
					rc = pa->size_post ?
							asprintf(&p, "%ju%c", sz, pa->size_post) :
							asprintf(&p, "%ju", sz);
				else {
					p = size_to_human_string(SIZE_SUFFIX_1LETTER, sz);
					if (!p)
						rc = -ENOMEM;
				}
				break;
			}
		}
		break;
	case FDISK_FIELD_CYLINDERS:
		rc = asprintf(&p, "%ju", (uintmax_t)
			fdisk_cround(cxt, fdisk_partition_has_size(pa) ? pa->size : 0));
		break;
	case FDISK_FIELD_SECTORS:
		rc = asprintf(&p, "%ju",
			fdisk_partition_has_size(pa) ? (uintmax_t) pa->size : 0);
		break;
	case FDISK_FIELD_BSIZE:
		rc = asprintf(&p, "%ju", pa->bsize);
		break;
	case FDISK_FIELD_FSIZE:
		rc = asprintf(&p, "%ju", pa->fsize);
		break;
	case FDISK_FIELD_CPG:
		rc = asprintf(&p, "%ju", pa->cpg);
		break;
	case FDISK_FIELD_TYPE:
		p = pa->type && pa->type->name ? strdup(_(pa->type->name)) : NULL;
		break;
	case FDISK_FIELD_TYPEID:
		if (pa->type && fdisk_parttype_get_string(pa->type))
			rc = asprintf(&p, "%s", fdisk_parttype_get_string(pa->type));
		else if (pa->type)
			rc = asprintf(&p, "%x", fdisk_parttype_get_code(pa->type));
		break;
	case FDISK_FIELD_UUID:
		p = pa->uuid && *pa->uuid? strdup(pa->uuid) : NULL;
		break;
	case FDISK_FIELD_NAME:
		p = pa->name && *pa->name ? strdup(pa->name) : NULL;
		break;
	case FDISK_FIELD_ATTR:
		p = pa->attrs && *pa->attrs ? strdup(pa->attrs) : NULL;
		break;
	case FDISK_FIELD_SADDR:
		p = pa->start_chs && *pa->start_chs ? strdup(pa->start_chs) : NULL;
		break;
	case FDISK_FIELD_EADDR:
		p = pa->end_chs && *pa->end_chs? strdup(pa->end_chs) : NULL;
		break;
	default:
		return -EINVAL;
	}

	if (rc < 0) {
		rc = -ENOMEM;
		free(p);
		p = NULL;

	} else if (rc > 0)
		rc = 0;

	*data = p;

	return rc;
}
Пример #5
0
void list_freespace(struct fdisk_context *cxt)
{
	struct fdisk_table *tb = NULL;
	struct fdisk_partition *pa = NULL;
	struct fdisk_iter *itr = NULL;
	struct libscols_table *out = NULL;
	const char *bold = NULL;
	size_t i;
	uintmax_t sumsize = 0, bytes = 0;
	char *strsz;

	static const char *colnames[] = { N_("Start"), N_("End"), N_("Sectors"), N_("Size") };
	static const int colids[] = { FDISK_FIELD_START, FDISK_FIELD_END, FDISK_FIELD_SECTORS, FDISK_FIELD_SIZE };

	if (fdisk_get_freespaces(cxt, &tb))
		goto done;

	itr = fdisk_new_iter(FDISK_ITER_FORWARD);
	if (!itr) {
		fdisk_warn(cxt, _("failed to allocate iterator"));
		goto done;
	}

	out = scols_new_table();
	if (!out) {
		fdisk_warn(cxt, _("failed to allocate output table"));
		goto done;
	}

	if (colors_wanted()) {
		scols_table_enable_colors(out, 1);
		bold = color_scheme_get_sequence("header", UL_COLOR_BOLD);
	}

	for (i = 0; i < ARRAY_SIZE(colnames); i++) {
		struct libscols_column *co = scols_table_new_column(out, _(colnames[i]), 5, SCOLS_FL_RIGHT);

		if (!co)
			goto done;
		if (bold)
			scols_cell_set_color(scols_column_get_header(co), bold);
	}

	/* fill-in output table */
	while (fdisk_table_next_partition(tb, itr, &pa) == 0) {
		struct libscols_line *ln = scols_table_new_line(out, NULL);
		char *data;

		if (!ln) {
			fdisk_warn(cxt, _("failed to allocate output line"));
			goto done;
		}
		for (i = 0; i < ARRAY_SIZE(colids); i++) {
			if (fdisk_partition_to_string(pa, cxt, colids[i], &data))
				continue;
			scols_line_refer_data(ln, i, data);
		}

		if (fdisk_partition_has_size(pa))
			sumsize += fdisk_partition_get_size(pa);
	}

	bytes = sumsize * fdisk_get_sector_size(cxt);
	strsz = size_to_human_string(SIZE_SUFFIX_SPACE
					   | SIZE_SUFFIX_3LETTER, bytes);

	color_scheme_enable("header", UL_COLOR_BOLD);
	fdisk_info(cxt,	_("Unpartitioned space %s: %s, %ju bytes, %ju sectors"),
			fdisk_get_devname(cxt), strsz,
			bytes, sumsize);
	color_disable();
	free(strsz);

	fdisk_info(cxt, _("Units: %s of %d * %ld = %ld bytes"),
	       fdisk_get_unit(cxt, FDISK_PLURAL),
	       fdisk_get_units_per_sector(cxt),
	       fdisk_get_sector_size(cxt),
	       fdisk_get_units_per_sector(cxt) * fdisk_get_sector_size(cxt));

	fdisk_info(cxt, _("Sector size (logical/physical): %lu bytes / %lu bytes"),
				fdisk_get_sector_size(cxt),
				fdisk_get_physector_size(cxt));

	/* print */
	if (!scols_table_is_empty(out)) {
		fdisk_info(cxt, "");	/* line break */
		scols_print_table(out);
	}
done:
	scols_unref_table(out);
	fdisk_unref_table(tb);
	fdisk_free_iter(itr);
}
Пример #6
0
static int sgi_add_partition(struct fdisk_context *cxt,
			     struct fdisk_partition *pa,
			     size_t *partno)
{
	struct fdisk_sgi_label *sgi;
	char mesg[256];
	unsigned int first = 0, last = 0;
	struct fdisk_ask *ask;
	int sys = pa && pa->type ? pa->type->code : SGI_TYPE_XFS;
	int rc;
	size_t n;

	assert(cxt);
	assert(cxt->label);
	assert(fdisk_is_label(cxt, SGI));

	rc = fdisk_partition_next_partno(pa, cxt, &n);
	if (rc)
		return rc;
	if (n == 10)
		sys = SGI_TYPE_ENTIRE_DISK;
	else if (n == 8)
		sys = 0;

	sgi = self_label(cxt);

	if (sgi_get_num_sectors(cxt, n)) {
		fdisk_warnx(cxt, _("Partition %zu is already defined.  "
				   "Delete it before re-adding it."), n + 1);
		return -EINVAL;
	}
	if (!cxt->script && sgi_entire(cxt) == -1 &&  sys != SGI_TYPE_ENTIRE_DISK) {
		fdisk_info(cxt, _("Attempting to generate entire disk entry automatically."));
		sgi_set_entire(cxt);
		sgi_set_volhdr(cxt);
	}
	if (sgi_gaps(cxt) == 0 && sys != SGI_TYPE_ENTIRE_DISK) {
		fdisk_warnx(cxt, _("The entire disk is already covered with partitions."));
		return -EINVAL;
	}
	if (sgi_gaps(cxt) < 0) {
		fdisk_warnx(cxt, _("You got a partition overlap on the disk. Fix it first!"));
		return -EINVAL;
	}

	if (sys == SGI_TYPE_ENTIRE_DISK) {
		first = 0;
		last = sgi_get_lastblock(cxt);
	} else {
		first = sgi->freelist[0].first;
		last  = sgi->freelist[0].last;
	}

	/* first sector */
	if (pa && pa->start_follow_default)
		;
	else if (pa && fdisk_partition_has_start(pa)) {
		first = pa->start;
		last = is_in_freelist(cxt, first);

		if (sys != SGI_TYPE_ENTIRE_DISK && !last)
			return -ERANGE;
	} else {
		snprintf(mesg, sizeof(mesg), _("First %s"),
				fdisk_get_unit(cxt, FDISK_SINGULAR));
		ask = fdisk_new_ask();
		if (!ask)
			return -ENOMEM;

		fdisk_ask_set_query(ask, mesg);
		fdisk_ask_set_type(ask, FDISK_ASKTYPE_NUMBER);

		fdisk_ask_number_set_low(ask,     fdisk_scround(cxt, first));	/* minimal */
		fdisk_ask_number_set_default(ask, fdisk_scround(cxt, first));	/* default */
		fdisk_ask_number_set_high(ask,    fdisk_scround(cxt, last) - 1); /* maximal */

		rc = fdisk_do_ask(cxt, ask);
		first = fdisk_ask_number_get_result(ask);
		fdisk_unref_ask(ask);

		if (rc)
			return rc;
		if (fdisk_use_cylinders(cxt))
			first *= fdisk_get_units_per_sector(cxt);
	}

	if (first && sys == SGI_TYPE_ENTIRE_DISK)
		fdisk_info(cxt, _("It is highly recommended that the "
				  "eleventh partition covers the entire "
				  "disk and is of type 'SGI volume'."));
	if (!last)
		last = is_in_freelist(cxt, first);

	/* last sector */
	if (pa && pa->end_follow_default)
		last -= 1ULL;
	else if (pa && fdisk_partition_has_size(pa)) {
		if (first + pa->size - 1ULL > last)
			return -ERANGE;
		last = first + pa->size - 1ULL;
	} else {
		snprintf(mesg, sizeof(mesg),
			 _("Last %s or +%s or +size{K,M,G,T,P}"),
			 fdisk_get_unit(cxt, FDISK_SINGULAR),
			 fdisk_get_unit(cxt, FDISK_PLURAL));

		ask = fdisk_new_ask();
		if (!ask)
			return -ENOMEM;

		fdisk_ask_set_query(ask, mesg);
		fdisk_ask_set_type(ask, FDISK_ASKTYPE_OFFSET);

		fdisk_ask_number_set_low(ask,     fdisk_scround(cxt, first));	/* minimal */
		fdisk_ask_number_set_default(ask, fdisk_scround(cxt, last) - 1);/* default */
		fdisk_ask_number_set_high(ask,    fdisk_scround(cxt, last) - 1);/* maximal */
		fdisk_ask_number_set_base(ask,    fdisk_scround(cxt, first));

		if (fdisk_use_cylinders(cxt))
			fdisk_ask_number_set_unit(ask,
				     cxt->sector_size *
				     fdisk_get_units_per_sector(cxt));
		else
			fdisk_ask_number_set_unit(ask,cxt->sector_size);

		rc = fdisk_do_ask(cxt, ask);
		last = fdisk_ask_number_get_result(ask) + 1;

		fdisk_unref_ask(ask);
		if (rc)
			return rc;
		if (fdisk_use_cylinders(cxt))
			last *= fdisk_get_units_per_sector(cxt);
	}

	if (sys == SGI_TYPE_ENTIRE_DISK
	    && (first != 0 || last != sgi_get_lastblock(cxt)))
		fdisk_info(cxt, _("It is highly recommended that the "
				  "eleventh partition covers the entire "
				  "disk and is of type 'SGI volume'."));

	set_partition(cxt, n, first, last - first, sys);
	cxt->label->nparts_cur = count_used_partitions(cxt);
	if (partno)
		*partno = n;
	return 0;
}