perl-install/partition_table/gpt.pm


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package partition_table::gpt;

use diagnostics;
use strict;
use vars qw(@ISA);

@ISA = qw(partition_table::raw);

use fs::type;
use partition_table::raw;
use c;

my $nb_primary = 128;

# See https://en.wikipedia.org/wiki/GUID_Partition_Table#Partition_type_GUIDs for a list of exitings GUIDs

sub first_usable_sector { 34 }

sub last_usable_sector {
    my ($hd) = @_;
    #- do not use totalsectors because backup GPT is at end
    $hd->{totalsectors} - 33;
}

my %parted_mapping = (
   'linux-swap(v1)' => 'swap',
   'ntfs' => 'ntfs-3g',
   'fat16' => 'vfat',
   'fat32' => 'vfat',
   );
my %rev_parted_mapping = reverse %parted_mapping;
# prefer 'fat32' over 'fat16':
$rev_parted_mapping{vfat} = 'fat32';

sub read_one {
    my ($hd, $_sector) = @_;