libfdisk: (dos) support partition and MBR overlap
Let's support this crazy use-case in expert menu, because it's normal for removable FAT disks, etc. Signed-off-by: Karel Zak <kzak@redhat.com>
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@ -2494,10 +2494,11 @@ int fdisk_dos_move_begin(struct fdisk_context *cxt, size_t i)
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return 0;
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}
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/* the default start is at the second sector of the disk or at the
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* second sector of the extended partition
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/* The safe start is at the second sector, but some use-cases require
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* to have MBR within the first partition , so default to the first
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* sector of the disk or at the second sector of the extended partition
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*/
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free_start = pe->offset ? pe->offset + 1 : 1;
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free_start = pe->offset ? pe->offset + 1 : 0;
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curr_start = get_abs_partition_start(pe);
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@ -2537,6 +2538,11 @@ int fdisk_dos_move_begin(struct fdisk_context *cxt, size_t i)
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dos_partition_set_start(p, new);
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partition_set_changed(cxt, i, 1);
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if (new == 0)
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fdisk_info(cxt, _("The new beginning of the partition overlaps the disk "
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"label area. Be very careful when using the partition. "
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"You can lose all your partitions on the disk."));
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}
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return rc;
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