/**
* fdisk_partition_next_partno:
* @pa: partition
* @cxt: context
* @n: returns partition number
*
* If partno-follow-default (see fdisk_partition_partno_follow_default())
* enabled then returns next expected partno, otherwise use Ask API to ask user
* for the next partno.
*
* Returns: 0 on success, <0 on error
*/
int fdisk_partition_next_partno(
struct fdisk_partition *pa,
struct fdisk_context *cxt,
size_t *n)
{
assert(cxt);
assert(n);
if (pa && pa->partno_follow_default) {
size_t i;
DBG(PART, ul_debugobj(pa, "next partno (follow default)"));
for (i = 0; i < cxt->label->nparts_max; i++) {
if (!fdisk_is_partition_used(cxt, i)) {
*n = i;
return 0;
}
}
return -ERANGE;
} else if (pa && fdisk_partition_has_partno(pa)) {
DBG(PART, ul_debugobj(pa, "next partno (specified=%zu)", pa->partno));
if (pa->partno >= cxt->label->nparts_max)
return -ERANGE;
*n = pa->partno;
} else
return fdisk_ask_partnum(cxt, n, 1);
return 0;
}
void change_partition_type(struct fdisk_context *cxt)
{
size_t i;
struct fdisk_parttype *t = NULL, *org_t = NULL;
assert(cxt);
assert(cxt->label);
if (fdisk_ask_partnum(cxt, &i, FALSE))
return;
org_t = t = fdisk_get_partition_type(cxt, i);
if (!t)
fdisk_warnx(cxt, _("Partition %zu does not exist yet!"), i + 1);
else {
do {
t = ask_partition_type(cxt);
} while (!t);
if (fdisk_set_partition_type(cxt, i, t) == 0)
fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
_("Changed type of partition '%s' to '%s'."),
org_t ? org_t->name : _("Unknown"),
t ? t->name : _("Unknown"));
else
fdisk_info(cxt,
_("Type of partition %zu is unchanged: %s."),
i + 1,
org_t ? org_t->name : _("Unknown"));
}
fdisk_free_parttype(t);
fdisk_free_parttype(org_t);
}
/*
* link partition from parent (DOS) to nested BSD partition table
*/
int fdisk_bsd_link_partition(struct fdisk_context *cxt)
{
size_t k, i;
int rc;
struct dos_partition *p;
struct bsd_disklabel *d = self_disklabel(cxt);
if (!cxt->parent || !fdisk_is_disklabel(cxt->parent, DOS)) {
fdisk_warnx(cxt, _("BSD label is not nested within a DOS partition."));
return -EINVAL;
}
/* ask for DOS partition */
rc = fdisk_ask_partnum(cxt->parent, &k, FALSE);
if (rc)
return rc;
/* ask for BSD partition */
rc = fdisk_ask_partnum(cxt, &i, TRUE);
if (rc)
return rc;
if (i >= BSD_MAXPARTITIONS)
return -EINVAL;
p = fdisk_dos_get_partition(cxt->parent, k);
d->d_partitions[i].p_size = dos_partition_get_size(p);
d->d_partitions[i].p_offset = dos_partition_get_start(p);
d->d_partitions[i].p_fstype = bsd_translate_fstype(p->sys_ind);
if (i >= d->d_npartitions)
d->d_npartitions = i + 1;
cxt->label->nparts_cur = d->d_npartitions;
fdisk_label_set_changed(cxt->label, 1);
fdisk_sinfo(cxt, FDISK_INFO_SUCCESS,
_("BSD partition '%c' linked to DOS partition %zu."),
'a' + (int) i, k + 1);
return 0;
}
