drakx - Mageia Installer and base platform for many utilities

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author	Pascal Rigaux <pixel@mandriva.com>	2001-07-03 12:08:46 +0000
committer	Pascal Rigaux <pixel@mandriva.com>	2001-07-03 12:08:46 +0000
commit	6162da0d7559944c96a9e002998f223d1b63fee7 (patch)
tree	dc27e6fdf5d1351b5556ece0c290de19cf919481
parent	0bc562277153928c901c2eb05a6ba77869a25292 (diff)
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removing for re-adding with -kb

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perl-install/pixmaps/user.png

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package partition_table; # $Id$ use diagnostics; use strict; use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK @important_types @important_types2 @fields2save @bad_types); @ISA = qw(Exporter); %EXPORT_TAGS = ( types => [ qw(type2name type2fs name2type fs2type isExtended isExt2 isThisFs isTrueFS isSwap isDos isWin isFat isFat_or_NTFS isSunOS isOtherAvailableFS isPrimary isRawLVM isRawRAID isRAID isLVM isMountableRW isNonMountable isPartOfLVM isPartOfRAID isPartOfLoopback isLoopback isMounted isBusy isSpecial maybeFormatted isApple isAppleBootstrap isEfi) ], ); @EXPORT_OK = map { @$_ } values %EXPORT_TAGS; use common; use partition_table::raw; use detect_devices; use log; @important_types = ('Linux native', 'Linux swap', if_(arch() =~ /i.86/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'Journalised FS: JFS', 'Journalised FS: XFS', 'DOS FAT16', 'FAT32'), if_(arch() =~ /ia64/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'Journalised FS: XFS', 'FAT32'), if_(arch() =~ /x86_64/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'FAT32'), if_(arch() =~ /ppc/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'Journalised FS: JFS', 'Journalised FS: XFS', 'Apple HFS Partition', 'Apple Bootstrap')); @important_types2 = ('Linux RAID', 'Linux Logical Volume Manager partition'); @fields2save = qw(primary extended totalsectors isDirty needKernelReread); @bad_types = ('Empty', 'DOS 3.3+ Extended Partition', 'Win95: Extended partition, LBA-mapped', 'Linux extended partition'); my %types = ( 0x0 => 'Empty', if_(arch() =~ /^ppc/, 0x183 => 'Journalised FS: ReiserFS', 0x283 => 'Journalised FS: XFS', 0x383 => 'Journalised FS: JFS', 0x483 => 'Journalised FS: ext3', 0x401 => 'Apple Partition', 0x401 => 'Apple Bootstrap', 0x402 => 'Apple HFS Partition', ), if_(arch() =~ /^i.86/, 0x107 => 'NTFS', 0x183 => 'Journalised FS: ReiserFS', 0x283 => 'Journalised FS: XFS', 0x383 => 'Journalised FS: JFS', 0x483 => 'Journalised FS: ext3', ), if_(arch() =~ /^ia64/, 0x100 => 'Various', 0x183 => 'Journalised FS: ReiserFS', 0x283 => 'Journalised FS: XFS', 0x483 => 'Journalised FS: ext3', ), if_(arch() =~ /^x86_64/, 0x183 => 'Journalised FS: ReiserFS', 0x483 => 'Journalised FS: ext3', ), if_(arch() =~ /^sparc/, 0x1 => 'SunOS boot', 0x2 => 'SunOS root', 0x3 => 'SunOS swap', 0x4 => 'SunOS usr', 0x5 => 'Whole disk', 0x6 => 'SunOS stand', 0x7 => 'SunOS var', 0x8 => 'SunOS home', ), if_(arch() =~ /^i.86/, 0x1 => 'DOS 12-bit FAT', 0x2 => 'XENIX root', 0x3 => 'XENIX /usr', 0x4 => 'DOS 16-bit FAT (up to 32M)', 0x5 => 'DOS 3.3+ Extended Partition', 0x6 => 'DOS FAT16', 0x7 => 'NTFS (or HPFS)', 0x8 => 'OS/2 (v1.0-1.3 only) / AIX boot partition / SplitDrive / Commodore DOS / DELL partition spanning multiple drives / QNX 1.x and 2.x ("qny")', ), 0x9 => 'AIX data partition / Coherent filesystem / QNX 1.x and 2.x ("qnz")', 0xa => 'OS/2 Boot Manager / Coherent swap partition / OPUS', 0xb => 'FAT32', 0xc => 'Win98 FAT32, LBA-mapped', 0xe => 'Win95: DOS 16-bit FAT, LBA-mapped', 0xf => 'Win95: Extended partition, LBA-mapped', 0x10 => 'OPUS (?)', 0x11 => 'Hidden DOS 12-bit FAT', 0x12 => 'Compaq/HP config partition', 0x14 => 'Hidden DOS 16-bit FAT <32M', 0x16 => 'Hidden DOS 16-bit FAT >=32M', 0x17 => 'Hidden IFS (e.g., HPFS)', 0x18 => 'AST Windows swapfile', 0x1b => 'Hidden WIN95 OSR2 32-bit FAT', 0x1c => 'Hidden WIN95 OSR2 32-bit FAT, LBA-mapped', 0x1e => 'Hidden FAT95', 0x22 => 'Used for Oxygen Extended Partition Table by ekstazya@sprint.ca.', 0x24 => 'NEC DOS 3.x', 0x35 => 'JFS (OS/2)', 0x38 => 'THEOS ver 3.2 2gb partition', 0x39 => 'THEOS ver 4 spanned partition', 0x3a => 'THEOS ver 4 4gb partition', 0x3b => 'THEOS ver 4 extended partition', 0x3c => 'PartitionMagic recovery partition', 0x40 => 'Venix 80286', 0x41 => 'Linux/MINIX (sharing disk with DRDOS) / Personal RISC Boot / PPC PReP (Power PC Reference Platform) Boot', 0x42 => 'Windows Dynamic Partition', 0x43 => 'Linux native (sharing disk with DRDOS)', 0x45 => 'EUMEL/Elan', 0x46 => 'EUMEL/Elan 0x46', 0x47 => 'EUMEL/Elan 0x47', 0x48 => 'EUMEL/Elan 0x48', 0x4d => 'QNX4.x', 0x4e => 'QNX4.x 2nd part', 0x4f => 'QNX4.x 3rd part / Oberon partition', 0x50 => 'OnTrack Disk Manager (older versions) RO', 0x51 => 'OnTrack Disk Manager RW (DM6 Aux1) / Novell', 0x52 => 'CP/M / Microport SysV/AT', 0x53 => 'Disk Manager 6.0 Aux3', 0x54 => 'Disk Manager 6.0 Dynamic Drive Overlay', 0x55 => 'EZ-Drive', 0x56 => 'Golden Bow VFeature Partitioned Volume. / DM converted to EZ-BIOS', 0x57 => 'DrivePro', 0x5c => 'Priam EDisk', 0x61 => 'SpeedStor', 0x63 => 'Unix System V (SCO, ISC Unix, UnixWare, ...), Mach, GNU Hurd', 0x64 => 'PC-ARMOUR protected partition / Novell Netware 2.xx', 0x65 => 'Novell Netware 3.xx or 4.xx', 0x67 => 'Novell', 0x68 => 'Novell 0x68', 0x69 => 'Novell 0x69', 0x70 => 'DiskSecure Multi-Boot', 0x75 => 'IBM PC/IX', 0x80 => 'MINIX until 1.4a', 0x81 => 'MINIX since 1.4b, early Linux / Mitac disk manager', 0x82 => 'Linux swap', 0x83 => 'Linux native', 0x84 => 'OS/2 hidden C: drive / Hibernation partition', 0x85 => 'Linux extended partition', 0x86 => 'Old Linux RAID partition superblock / NTFS volume set', 0x87 => 'NTFS volume set', 0x8a => 'Linux Kernel Partition (used by AiR-BOOT)', 0x8e => 'Linux Logical Volume Manager partition', 0x93 => 'Amoeba', 0x94 => 'Amoeba bad block table', 0x99 => 'DCE376 logical drive', 0xa0 => 'IBM Thinkpad hibernation partition / Phoenix NoteBIOS Power Management "Save-to-Disk" partition', 0xa5 => 'BSD/386, 386BSD, NetBSD, FreeBSD', 0xa6 => 'OpenBSD', 0xa7 => 'NEXTSTEP', 0xa9 => 'NetBSD', 0xaa => 'Olivetti Fat 12 1.44Mb Service Partition', 0xb7 => 'BSDI filesystem', 0xb8 => 'BSDI swap partition', 0xbe => 'Solaris boot partition', 0xc0 => 'CTOS / REAL/32 secure small partition', 0xc1 => 'DRDOS/secured (FAT-12)', 0xc4 => 'DRDOS/secured (FAT-16, < 32M)', 0xc6 => 'DRDOS/secured (FAT-16, >= 32M) / Windows NT corrupted FAT16 volume/stripe set', 0xc7 => 'Windows NT corrupted NTFS volume/stripe set / Syrinx boot', 0xcb => 'reserved for DRDOS/secured (FAT32)', 0xcc => 'reserved for DRDOS/secured (FAT32, LBA)', 0xcd => 'CTOS Memdump?', 0xce => 'reserved for DRDOS/secured (FAT16, LBA)', 0xd0 => 'REAL/32 secure big partition', 0xd1 => 'Old Multiuser DOS secured FAT12', 0xd4 => 'Old Multiuser DOS secured FAT16 <32M', 0xd5 => 'Old Multiuser DOS secured extended partition', 0xd6 => 'Old Multiuser DOS secured FAT16 >=32M', 0xd8 => 'CP/M-86', 0xdb => 'Digital Research CP/M, Concurrent CP/M, Concurrent DOS / CTOS (Convergent Technologies OS -Unisys) / KDG Telemetry SCPU boot', 0xdd => 'Hidden CTOS Memdump?', 0xe1 => 'DOS access or SpeedStor 12-bit FAT extended partition', 0xe3 => 'DOS R/O or SpeedStor', 0xe4 => 'SpeedStor 16-bit FAT extended partition < 1024 cyl.', 0xeb => 'BeOS', 0xee => 'EFI GPT', 0xef => 'EFI (FAT-12/16/32)', 0xf1 => 'SpeedStor 0xf1', 0xf2 => 'DOS 3.3+ secondary partition', 0xf4 => 'SpeedStor large partition / Prologue single-volume partition', 0xf5 => 'Prologue multi-volume partition', 0xfd => 'Linux RAID', 0xfe => 'SpeedStor > 1024 cyl. or LANstep / IBM PS/2 IML (Initial Microcode Load) partition, located at the end of the disk. / Windows NT Disk Administrator hidden partition / Linux Logical Volume Manager partition (old)', 0xff => 'Xenix Bad Block Table', ); my %type2fs = ( arch() =~ /^ppc/ ? ( 0x07 => 'hpfs', ) : ( 0x07 => 'ntfs', ), arch() !~ /sparc/ ? ( 0x01 => 'vfat', 0x04 => 'vfat', 0x05 => 'ignore', 0x06 => 'vfat', ) : ( 0x01 => 'ufs', 0x02 => 'ufs', 0x04 => 'ufs', 0x06 => 'ufs', 0x07 => 'ufs', 0x08 => 'ufs', ), 0x0b => 'vfat', 0x0c => 'vfat', 0x0e => 'vfat', 0x1b => 'vfat', 0x1c => 'vfat', 0x1e => 'vfat', 0x82 => 'swap', 0x83 => 'ext2', 0xef => 'vfat', 0x107 => 'ntfs', 0x183 => 'reiserfs', 0x283 => 'xfs', 0x383 => 'jfs', 0x483 => 'ext3', 0x401 => 'apple', 0x402 => 'hfs', ); my %types_rev = reverse %types; my %fs2type = reverse %type2fs; 1; sub important_types() { my @l = (@important_types, if_($::expert, @important_types2, sort values %types)); difference2(\@l, \@bad_types); } sub type2fs { $type2fs{$_[0]{type}} || $_[0]{type} } sub fs2type { $fs2type{$_[0]} || $_[0] } sub type2name { $types{$_[0]} || $_[0] } sub name2type { local ($_) = @_; /0x(.*)/ ? hex $1 : $types_rev{$_} || $_; } sub isEfi { arch() =~ /ia64/ && $_[0]{type} == 0xef } sub isWholedisk { arch() =~ /^sparc/ && $_[0]{type} == 5 } sub isExtended { arch() !~ /^sparc/ && ($_[0]{type} == 5 || $_[0]{type} == 0xf || $_[0]{type} == 0x85) } sub isRawLVM { $_[0]{type} == 0x8e } sub isRawRAID { $_[0]{type} == 0xfd } sub isSwap { type2fs($_[0]) eq 'swap' } sub isExt2 { type2fs($_[0]) eq 'ext2' } sub isDos { arch() !~ /^sparc/ && ${{ 1 => 1, 4 => 1, 6 => 1 }}{$_[0]{type}} } sub isWin { ${{ 0xb => 1, 0xc => 1, 0xe => 1, 0x1b => 1, 0x1c => 1, 0x1e => 1 }}{$_[0]{type}} } sub isFat { isDos($_[0]) || isWin($_[0]) } sub isFat_or_NTFS { isDos($_[0]) || isWin($_[0]) || $_[0]{type} == 0x107 } sub isSunOS { arch() =~ /sparc/ && ${{ 0x1 => 1, 0x2 => 1, 0x4 => 1, 0x6 => 1, 0x7 => 1, 0x8 => 1 }}{$_[0]{type}} } sub isApple { type2fs($_[0]) eq 'apple' && defined $_[0]{isDriver} } sub isAppleBootstrap { type2fs($_[0]) eq 'apple' && defined $_[0]{isBoot} } sub isHiddenMacPart { defined $_[0]{isMap} } sub isThisFs { type2fs($_[1]) eq $_[0] } sub isTrueFS { member(type2fs($_[0]), qw(ext2 reiserfs xfs jfs ext3)) } sub isOtherAvailableFS { isEfi($_[0]) || isFat_or_NTFS($_[0]) || isSunOS($_[0]) || isThisFs('hfs', $_[0]) } #- other OS that linux can access its filesystem sub isMountableRW { (isTrueFS($_[0]) || isOtherAvailableFS($_[0])) && !isThisFs('ntfs', $_[0]) } sub isNonMountable { my ($part) = @_; isRawRAID($part) || isRawLVM($part) || isThisFs("ntfs", $part) && !$part->{isFormatted} && $part->{notFormatted}; } sub isPartOfLVM { defined $_[0]{lvm} } sub isPartOfRAID { defined $_[0]{raid} } sub isPartOfLoopback { defined $_[0]{loopback} } sub isRAID { $_[0]{device} =~ /^md/ } sub isUBD { $_[0]{device} =~ /^ubd/ } #- should be always true during an $::uml_install sub isLVM { $_[0]{VG_name} } sub isLoopback { defined $_[0]{loopback_file} } sub isMounted { $_[0]{isMounted} } sub isBusy { isMounted($_[0]) || isPartOfRAID($_[0]) || isPartOfLVM($_[0]) || isPartOfLoopback($_[0]) } sub isSpecial { isRAID($_[0]) || isLVM($_[0]) || isLoopback($_[0]) || isUBD($_[0]) } sub maybeFormatted { $_[0]{isFormatted} || !$_[0]{notFormatted} } #- works for both hard drives and partitions ;p sub description { my ($hd) = @_; my $win = $hd->{device_windobe}; sprintf "%s%s (%s%s%s%s)", $hd->{device}, $win && " [$win:]", formatXiB($hd->{totalsectors} || $hd->{size}, 512), $hd->{info} && ", $hd->{info}", $hd->{mntpoint} && ", " . $hd->{mntpoint}, $hd->{type} && ", " . type2name($hd->{type}); } sub isPrimary { my ($part, $hd) = @_; foreach (@{$hd->{primary}{raw}}) { $part eq $_ and return 1 } 0; } sub adjustStartAndEnd { my ($hd, $part) = @_; $hd->adjustStart($part); $hd->adjustEnd($part); } sub verifyNotOverlap { my ($a, $b) = @_; $a->{start} + $a->{size} <= $b->{start} || $b->{start} + $b->{size} <= $a->{start}; } sub verifyInside { my ($a, $b) = @_; $b->{start} <= $a->{start} && $a->{start} + $a->{size} <= $b->{start} + $b->{size}; } sub verifyParts_ { foreach my $i (@_) { foreach (@_) { next if !$i || !$_ || $i == $_ || isWholedisk($i) || isExtended($i); #- avoid testing twice for simplicity :-) if (isWholedisk($_)) { verifyInside($i, $_) or cdie sprintf("partition sector #$i->{start} (%s) is not inside whole disk (%s)!", formatXiB($i->{size}, 512), formatXiB($_->{size}, 512)); } elsif (isExtended($_)) { verifyNotOverlap($i, $_) or log::l(sprintf("warning partition sector #$i->{start} (%s) is overlapping with extended partition!", formatXiB($i->{size}, 512))); #- only warning for this one is acceptable } else { verifyNotOverlap($i, $_) or cdie sprintf("partitions sector #$i->{start} (%s) and sector #$_->{start} (%s) are overlapping!", formatXiB($i->{size}, 512), formatXiB($_->{size}, 512)); } } } } sub verifyParts { my ($hd) = @_; verifyParts_(get_normal_parts($hd)); } sub verifyPrimary { my ($pt) = @_; $_->{start} > 0 || arch() =~ /^sparc/ || die "partition must NOT start at sector 0" foreach @{$pt->{normal}}; verifyParts_(@{$pt->{normal}}, $pt->{extended}); } sub assign_device_numbers { my ($hd) = @_; my $i = 1; my $start = 1; #- on PPC we need to assign device numbers to the holes too - big FUN! #- not if it's an IBM machine using a DOS partition table though if (arch() =~ /ppc/ && detect_devices::get_mac_model() !~ /^IBM/) { #- first sort the normal parts $hd->{primary}{normal} = [ sort { $a->{start} <=> $b->{start} } @{$hd->{primary}{normal}} ]; #- now loop through them, assigning partition numbers - reserve one for the holes foreach (@{$hd->{primary}{normal}}) { if ($_->{start} > $start) { log::l("PPC: found a hole on $hd->{prefix} before $_->{start}, skipping device..."); $i++; } $_->{device} = $hd->{prefix} . $i; $_->{devfs_device} = $hd->{devfs_prefix} . '/part' . $i; $start = $_->{start} + $_->{size}; $i++; } } else { foreach (@{$hd->{primary}{raw}}) { $_->{device} = $hd->{prefix} . $i; $_->{devfs_device} = $hd->{devfs_prefix} . '/part' . $i; $i++; } foreach (map { $_->{normal} } @{$hd->{extended} || []}) { my $dev = $hd->{prefix} . $i; push @{$hd->{partitionsRenumbered}}, [ $_->{device}, $dev ] if $_->{device} && $dev ne $_->{device}; $_->{device} = $dev; $_->{devfs_device} = $hd->{devfs_prefix} . '/part' . $i; $i++; } } #- try to figure what the windobe drive letter could be! # #- first verify there's at least one primary dos partition, otherwise it #- means it is a secondary disk and all will be false :( #- #- isFat_or_NTFS isn't true for 0x7 partitions, only for 0x107. #- alas 0x107 is not set correctly at this stage #- solution: don't bother with 0x7 vs 0x107 here my ($c, @others) = grep { isFat_or_NTFS($_) || $_->{type} == 0x7 } @{$hd->{primary}{normal}}; $i = ord 'C'; $c->{device_windobe} = chr($i++) if $c; $_->{device_windobe} = chr($i++) foreach grep { isFat_or_NTFS($_) || $_->{type} == 0x7 } map { $_->{normal} } @{$hd->{extended}}; $_->{device_windobe} = chr($i++) foreach @others; } sub remove_empty_extended { my ($hd) = @_; my $last = $hd->{primary}{extended} or return; @{$hd->{extended}} = grep { if ($_->{normal}) { $last = $_; } else { %{$last->{extended}} = $_->{extended} ? %{$_->{extended}} : (); } $_->{normal}; } @{$hd->{extended}}; adjust_main_extended($hd); } sub adjust_main_extended { my ($hd) = @_; if (!is_empty_array_ref $hd->{extended}) { my ($l, @l) = @{$hd->{extended}}; # the first is a special case, must recompute its real size my $start = round_down($l->{normal}{start} - 1, $hd->{geom}{sectors}); my $end = $l->{normal}{start} + $l->{normal}{size}; my $only_linux = 1; my $has_win_lba = 0; foreach (map { $_->{normal} } $l, @l) { $start = min($start, $_->{start}); $end = max($end, $_->{start} + $_->{size}); $only_linux &&= isTrueFS($_) || isSwap($_); $has_win_lba ||= $_->{type} == 0xc || $_->{type} == 0xe; } $l->{start} = $hd->{primary}{extended}{start} = $start; $l->{size} = $hd->{primary}{extended}{size} = $end - $start; } if (!@{$hd->{extended} || []} && $hd->{primary}{extended}) { %{$hd->{primary}{extended}} = (); #- modify the raw entry delete $hd->{primary}{extended}; } verifyParts($hd); #- verify everything is all right } sub adjust_local_extended { my ($hd, $part) = @_; my $extended = find { $_->{normal} == $part } @{$hd->{extended} || []} or return; $extended->{size} = $part->{size} + $part->{start} - $extended->{start}; #- must write it there too because values are not shared my $prev = find { $_->{extended}{start} == $extended->{start} } @{$hd->{extended} || []} or return; $prev->{extended}{size} = $part->{size} + $part->{start} - $prev->{extended}{start}; } sub get_normal_parts { my ($hd) = @_; @{$hd->{primary}{normal} || []}, map { $_->{normal} } @{$hd->{extended} || []} } sub get_normal_parts_and_holes { my ($hd) = @_; my ($start, $last) = ($hd->first_usable_sector, $hd->last_usable_sector); ref($hd) or print("get_normal_parts_and_holes: bad hd" . backtrace(), "\n"); my @l = map { my $current = $start; $start = $_->{start} + $_->{size}; my $hole = { start => $current, size => $_->{start} - $current, type => 0, rootDevice => $hd->{device} }; $hole, $_; } sort { $a->{start} <=> $b->{start} } grep { !isWholedisk($_) } get_normal_parts($hd); push @l, { start => $start, size => $last - $start, type => 0, rootDevice => $hd->{device} }; grep { $_->{type} || $_->{size} >= $hd->cylinder_size } @l; } sub read_one($$) { my ($hd, $sector) = @_; my ($pt, $info); #- it can be safely considered that the first sector is used to probe the partition table #- but other sectors (typically for extended partition ones) have to match this type! if (!$sector) { my @parttype = ( if_(arch() =~ /^ia64/, 'gpt'), arch() =~ /^sparc/ ? ('sun', 'bsd') : ('dos', 'bsd', 'sun', 'mac'), ); foreach ('empty', @parttype, 'lvm_PV', 'unknown') { /unknown/ and die "unknown partition table format on disk " . $hd->{file}; eval { # perl_checker: require partition_table::bsd # perl_checker: require partition_table::dos # perl_checker: require partition_table::empty # perl_checker: require partition_table::gpt # perl_checker: require partition_table::lvm_PV # perl_checker: require partition_table::mac # perl_checker: require partition_table::sun require "partition_table/$_.pm"; bless $hd, "partition_table::$_"; ($pt, $info) = $hd->read($sector); log::l("found a $_ partition table on $hd->{file} at sector $sector"); }; $@ or last; } } else { #- keep current blessed object for that, this means it is neccessary to read sector 0 before. ($pt, $info) = $hd->read($sector); } my @extended = $hd->hasExtended ? grep { isExtended($_) } @$pt : (); my @normal = grep { $_->{size} && $_->{type} && !isExtended($_) } @$pt; my $nb_special_empty = int(grep { $_->{size} && $_->{type} == 0 } @$pt); @extended > 1 and die "more than one extended partition"; $_->{rootDevice} = $hd->{device} foreach @normal, @extended; { raw => $pt, extended => $extended[0], normal => \@normal, info => $info, nb_special_empty => $nb_special_empty }; } sub read { my ($hd) = @_; my $pt = read_one($hd, 0) or return 0; $hd->{primary} = $pt; undef $hd->{extended}; verifyPrimary($pt); eval { my $need_removing_empty_extended; $pt->{extended} and read_extended($hd, $pt->{extended}, \$need_removing_empty_extended) || return 0; if ($need_removing_empty_extended) { #- special case when hda5 is empty, it must be skipped #- (windows XP generates such partition tables) remove_empty_extended($hd); #- includes adjust_main_extended } }; die "extended partition: $@" if $@; assign_device_numbers($hd); remove_empty_extended($hd); 1; } sub read_extended { my ($hd, $extended, $need_removing_empty_extended) = @_; my $pt = read_one($hd, $extended->{start}) or return 0; $pt = { %$extended, %$pt }; push @{$hd->{extended}}, $pt; @{$hd->{extended}} > 100 and die "oops, seems like we're looping here :( (or you have more than 100 extended partitions!)"; if (@{$pt->{normal}} == 0) { $$need_removing_empty_extended = 1; delete $pt->{normal}; print "need_removing_empty_extended\n"; } elsif (@{$pt->{normal}} > 1) { die "more than one normal partition in extended partition"; } else { $pt->{normal} = $pt->{normal}[0]; #- in case of extended partitions, the start sector is local to the partition or to the first extended_part! $pt->{normal}{start} += $pt->{start}; #- the following verification can broke an existing partition table that is #- correctly read by fdisk or cfdisk. maybe the extended partition can be #- recomputed to get correct size. if (!verifyInside($pt->{normal}, $extended)) { $extended->{size} = $pt->{normal}{start} + $pt->{normal}{size}; verifyInside($pt->{normal}, $extended) or die "partition $pt->{normal}{device} is not inside its extended partition"; } } if ($pt->{extended}) { $pt->{extended}{start} += $hd->{primary}{extended}{start}; return read_extended($hd, $pt->{extended}, $need_removing_empty_extended);


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