From 3cf3e2f2afd279dad95082ee81f3f83516024b27 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Mon, 24 Jul 2000 10:26:06 +0000
Subject: no_comment

---
 perl-install/partition_table_empty.pm | 38 +++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 perl-install/partition_table_empty.pm

(limited to 'perl-install/partition_table_empty.pm')

diff --git a/perl-install/partition_table_empty.pm b/perl-install/partition_table_empty.pm
new file mode 100644
index 000000000..d59cea52b
--- /dev/null
+++ b/perl-install/partition_table_empty.pm
@@ -0,0 +1,38 @@
+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;
-- 
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