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authorPascal Rigaux <pixel@mandriva.com>2000-07-24 10:26:06 +0000
committerPascal Rigaux <pixel@mandriva.com>2000-07-24 10:26:06 +0000
commit3cf3e2f2afd279dad95082ee81f3f83516024b27 (patch)
tree1d73d53ac3deaae5ae2f8c12f5d501e8ffa7f28e /perl-install/partition_table_empty.pm
parentd97b226e3049c136401416aaceaba39587cd0605 (diff)
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Diffstat (limited to 'perl-install/partition_table_empty.pm')
-rw-r--r--perl-install/partition_table_empty.pm38
1 files changed, 38 insertions, 0 deletions
diff --git a/perl-install/partition_table_empty.pm b/perl-install/partition_table_empty.pm
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+++ b/perl-install/partition_table_empty.pm
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+package partition_table_empty;
+
+#- this is a mainly dummy partition table. If we find it's empty, we just call -
+#- zero_MBR which will take care of bless'ing us to the partition table type best
+#- suited
+
+
+use diagnostics;
+use strict;
+use vars qw(@ISA);
+
+@ISA = qw(partition_table_raw);
+
+use common qw(:common :system :file);
+use partition_table_raw;
+use partition_table;
+use c;
+
+
+sub read($$) {
+ my ($hd, $sector) = @_;
+ my $tmp;
+
+ my $magic = "\0" x 256;
+
+ local *F; partition_table_raw::openit($hd, *F) or die "failed to open device";
+ c::lseek_sector(fileno(F), $sector, 0) or die "reading of partition in sector $sector failed";
+
+ #- check magic number
+ sysread F, $tmp, length $magic or die "error reading magic number";
+ $tmp eq $magic or die "bad magic number";
+
+ partition_table_raw::zero_MBR($hd);
+
+ $hd->{primary}{raw};
+}
+
+1;