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-rw-r--r--fdisks/fdiskdoslabel.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/fdisks/fdiskdoslabel.c b/fdisks/fdiskdoslabel.c
index d174c735a..b9b2a4e2b 100644
--- a/fdisks/fdiskdoslabel.c
+++ b/fdisks/fdiskdoslabel.c
@@ -1181,6 +1181,57 @@ void dos_fix_partition_table_order(void)
}
+void dos_move_begin(struct fdisk_context *cxt, int i)
+{
+ struct pte *pe = &ptes[i];
+ struct partition *p = pe->part_table;
+ unsigned int new, free_start, curr_start, last;
+ int x;
+
+ assert(cxt);
+ assert(fdisk_is_disklabel(cxt, DOS));
+
+ if (warn_geometry(cxt))
+ return;
+ if (!p->sys_ind || !get_nr_sects(p) || IS_EXTENDED (p->sys_ind)) {
+ printf(_("Partition %d has no data area\n"), i + 1);
+ return;
+ }
+
+ /* the default start is at the second sector of the disk or at the
+ * second sector of the extended partition
+ */
+ free_start = pe->offset ? pe->offset + 1 : 1;
+
+ curr_start = get_partition_start(pe);
+
+ /* look for a free space before the current start of the partition */
+ for (x = 0; x < partitions; x++) {
+ unsigned int end;
+ struct pte *prev_pe = &ptes[x];
+ struct partition *prev_p = prev_pe->part_table;
+
+ if (!prev_p)
+ continue;
+ end = get_partition_start(prev_pe) + get_nr_sects(prev_p);
+
+ if (!is_cleared_partition(prev_p) &&
+ end > free_start && end <= curr_start)
+ free_start = end;
+ }
+
+ last = get_partition_start(pe) + get_nr_sects(p) - 1;
+
+ new = read_int(cxt, free_start, curr_start, last, free_start,
+ _("New beginning of data")) - pe->offset;
+
+ if (new != get_nr_sects(p)) {
+ unsigned int sects = get_nr_sects(p) + get_start_sect(p) - new;
+ set_nr_sects(p, sects);
+ set_start_sect(p, new);
+ pe->changed = 1;
+ }
+}
static const struct fdisk_label_operations dos_operations =
{