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author | Mystery Man <unknown@mandriva.org> | 2001-06-11 11:44:34 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2001-06-11 11:44:34 +0000 |
commit | 7507023403933bbd0d851a250a474f85ba6a89d2 (patch) | |
tree | c212a6c0eae5ed2c9964c390ebb72970ec08fd08 /perl-install/partition_table_bsd.pm | |
parent | ab5559aaabd1167a18ac882e64d97c5adc0e7d03 (diff) | |
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This commit was manufactured by cvs2svn to create branch 'ppp'.topic/ppp
Diffstat (limited to 'perl-install/partition_table_bsd.pm')
-rw-r--r-- | perl-install/partition_table_bsd.pm | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/perl-install/partition_table_bsd.pm b/perl-install/partition_table_bsd.pm deleted file mode 100644 index c6cd71394..000000000 --- a/perl-install/partition_table_bsd.pm +++ /dev/null @@ -1,145 +0,0 @@ -package partition_table_bsd; # $Id$ - -use diagnostics; -use strict; -use vars qw(@ISA); - -@ISA = qw(partition_table_raw); - -use common qw(:common :system :file :functional); -use partition_table_raw; -use partition_table; -use c; - -#- very bad and rough handling :( -my %typeToDos = ( - 8 => 0x83, - 1 => 0x82, -); -my %typeFromDos = reverse %typeToDos; - -my ($main_format, $main_fields) = list2kv( - I => 'magic', - S => 'type', - S => 'subtype', - a16 => 'typename', - a16 => 'packname', - I => 'secsize', - I => 'nsectors', - I => 'ntracks', - I => 'ncylinders', - I => 'secpercyl', - I => 'secprtunit', - S => 'sparespertrack', - S => 'sparespercyl', - I => 'acylinders', - S => 'rpm', - S => 'interleave', - S => 'trackskew', - S => 'cylskew', - I => 'headswitch', - I => 'trkseek', - I => 'flags', - a20 => 'drivedata', - a20 => 'spare', - I => 'magic2', - S => 'checksum', - S => 'npartitions', - I => 'bbsize', - I => 'sbsize', - a128=> 'partitions', - a236=> 'blank', -); -$main_format = join '', @$main_format; - -my @fields = qw(size start fsize type frag cpg); -my $format = "I I I C C S"; -my $magic = 0x82564557; -my $nb_primary = 8; -my $offset = 0x40; - -sub read($$) { - my ($hd, $sector) = @_; - my $tmp; - - local *F; partition_table_raw::openit($hd, *F) or die "failed to open device"; - c::lseek_sector(fileno(F), $sector, $offset) or die "reading of partition in sector $sector failed"; - - sysread F, $tmp, psizeof($main_format) or die "error while reading partition table in sector $sector"; - my %info; @info{@$main_fields} = unpack $main_format, $tmp; - - #- TODO verify checksum - - my $size = psizeof($format); - my @pt = map { - my %h; @h{@fields} = unpack $format, $_; - $h{type} = $typeToDos{$h{type}} || $h{type}; - \%h; - } $info{partitions} =~ /(.{$size})/g; - - #- check magic number - $info{magic} == $magic or die "bad magic number"; - $info{magic2} == $magic or die "bad magic number"; - - [ @pt ], \%info; -} - -# write the partition table (and extended ones) -# for each entry, it uses fields: start, size, type, active -sub write($$$;$) { - my ($hd, $sector, $pt, $info) = @_; - - #- handle testing for writing partition table on file only! - local *F; - if ($::testing) { - my $file = "/tmp/partition_table_$hd->{device}"; - open F, ">$file" or die "error opening test file $file"; - } else { - partition_table_raw::openit($hd, *F, 2) or die "error opening device $hd->{device} for writing"; - c::lseek_sector(fileno(F), $sector, $offset) or return 0; - } - - #- TODO compute checksum - - $info->{npartitions} = $nb_primary; #- is it ok? - - @$pt == $nb_primary or die "partition table does not have $nb_primary entries"; - $info->{partitions} = join '', map { - local $_->{type} = $typeFromDos{$_->{type}} || $_->{type}; - pack $format, @$_{@fields}; - } @$pt; - - syswrite F, pack($main_format, @$info{@$main_fields}), psizeof($main_format) or return 0; - 1; -} - -sub info { - my ($hd) = @_; - my $dtype_scsi = 4; #- taken from fdisk, removed unused one, - my $dtype_ST506 = 6; #- see fdisk for more - - { - magic => $magic, - magic2 => $magic, - dtype => $hd->{device} =~ /^sd/ ? $dtype_scsi : $dtype_ST506, - secsize => $common::SECTORSIZE, - ncylinders => $hd->{geom}{cylinders}, - secpercyl => $hd->cylinder_size(), - secprtunit => $hd->{geom}{totalsectors}, - rpm => 3600, - interleave => 1, - trackskew => 0, - cylskew => 0, - headswitch => 0, - trkseek => 0, - bbsize => 8192, #- size of boot area, with label - sbsize => 8192, #- max size of fs superblock - }; -} - -sub clear_raw { - my ($hd) = @_; - { raw => [ ({}) x $nb_primary ], info => info($hd) }; -} - -1; |