fix size approximations by using ceil

2 files changed, 4 insertions, 2 deletions

diff --git a/draklive b/draklive
index 6aae36e..93282f5 100755
--- a/draklive
+++ b/draklive
@@ -31,6 +31,7 @@ use Getopt::Long;
 use Pod::Usage;
 use File::Temp;
 use IO::Handle; #- autoflush
+use POSIX;
 use MDV::Draklive::Utils;
 use MDV::Draklive::Live;
 use MDV::Draklive::Progress;
@@ -696,7 +697,7 @@ sub get_hd_from_layout {
     my $geom = get_harddisk_geometry($media);
     my $required_sectors = fold_left { $::a + $::b } map { $_->{size} } @{$media->{partitions}};
     $required_sectors += $geom->{sectors}; # keep one more track
-    $geom->{cylinders} = int($required_sectors / ($geom->{sectors} * $geom->{heads}));
+    $geom->{cylinders} = POSIX::ceil($required_sectors / ($geom->{sectors} * $geom->{heads}));
     my $total_sectors = $geom->{cylinders} * $geom->{heads} * $geom->{sectors};
     my $hd = bless {
         totalsectors => $total_sectors,
diff --git a/lib/MDV/Draklive/Media.pm b/lib/MDV/Draklive/Media.pm
index 159fab3..bb938ff 100644
--- a/lib/MDV/Draklive/Media.pm
+++ b/lib/MDV/Draklive/Media.pm
@@ -2,6 +2,7 @@ package MDV::Draklive::Media;
 
 use MDK::Common;
 use MDV::Draklive::Storage;
+use POSIX;
 use common;
 
 sub get_initrd_path {
@@ -69,7 +70,7 @@ sub supplement_partitions {
 
     my $correction = 1.2;
     my $slash = find { $_->{mntpoint} eq '/' } @{$media->{partitions}};
-    $slash->{size} ||= int($total_size * $correction / $common::SECTORSIZE);
+    $slash->{size} ||= POSIX::ceil($total_size * $correction / $common::SECTORSIZE);
 }
 
 1;