From dcd7553eb10ac930d3b6e8974c7c6adbe94b12be Mon Sep 17 00:00:00 2001
From: Christian Belisle <cbelisle@mandriva.com>
Date: Sun, 13 Jan 2002 20:23:17 +0000
Subject: Now checks partition directly in /proc

---
 transfugdrake.pm | 73 +++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 43 insertions(+), 30 deletions(-)

(limited to 'transfugdrake.pm')

diff --git a/transfugdrake.pm b/transfugdrake.pm
index eccec52..1027186 100644
--- a/transfugdrake.pm
+++ b/transfugdrake.pm
@@ -13,39 +13,41 @@ sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\
 # From pixel and gc
 sub typeFromMagic {
     my $f = shift;
-    local *F; sysopen F, $f, 0 or return;
-
     my $tmp;
+    my @partitions_signatures = (
+	    #        [ 0x8e, 0, "HM\1\0" ],
+	    #        [ 0x83, 0x438, "\x53\xEF" ],
+	#[ 0x183, 0x10034, "ReIsErFs" ],
+	#[ 0x183, 0x10034, "ReIsEr2Fs" ],
+	#[ 0x283, 0, 'XFSB', 0x200, 'XAGF', 0x400, 'XAGI' ],
+	#[ 0x383, 0x8000, 'JFS1' ],
+	#[ 0x82, 4086, "SWAP-SPACE" ],
+	#[ 0x82, 4086, "SWAPSPACE2" ],
+        [ 0x7,  0x1FE, "\x55\xAA", 0x3, "NTFS" ],
+        [ 0xc,  0x1FE, "\x55\xAA", 0x52, "FAT32" ],
+        arch() !~ /^sparc/ ? ( [ 0x6,  0x1FE, "\x55\xAA", 0x36, "FAT" ],) : (),
+    );
+
+    local *F;
+    sysopen F, $f, 0 or return;
+
  M: foreach (@partitions_signatures) {
         my ($name, @l) = @$_;
+
         while (@l) {
             my ($offset, $signature) = splice(@l, 0, 2);
             sysseek(F, $offset, 0) or next M;
             sysread(F, $tmp, length $signature);
-            $tmp eq $signature or next M;
+	    if($tmp ne $signature) { next M; }
         }
-        return $name;
+	return $name;
     }
     return -1;
 }
 
 sub get_windows_partition {
-    my $in = $_;
+    my $in = $_[0];
     
-    my @partitions_signatures = (
-        [ 0x8e, 0, "HM\1\0" ],
-        [ 0x83, 0x438, "\x53\xEF" ],
-        [ 0x183, 0x10034, "ReIsErFs" ],
-        [ 0x183, 0x10034, "ReIsEr2Fs" ],
-        [ 0x283, 0, 'XFSB', 0x200, 'XAGF', 0x400, 'XAGI' ],
-        [ 0x383, 0x8000, 'JFS1' ],
-        [ 0x82, 4086, "SWAP-SPACE" ],
-        [ 0x82, 4086, "SWAPSPACE2" ],
-        [ 0x7,  0x1FE, "\x55\xAA", 0x3, "NTFS" ],
-        [ 0xc,  0x1FE, "\x55\xAA", 0x52, "FAT32" ],
-        arch() !~ /^sparc/ ? ( [ 0x6,  0x1FE, "\x55\xAA", 0x36, "FAT" ],) : (),
-    );
-
     my %type2name = (
         0x1 => 'DOS 12-bit FAT',
         0x4 => 'DOS 16-bit FAT (up to 32M)',
@@ -68,27 +70,34 @@ sub get_windows_partition {
         );
  
     my (undef, undef, @parts) = cat_('/proc/partitions');
-    my %fat_parts;
+    my @fat_parts;
+    my $i = 0;
 
  P: foreach (@parts) {
         my (undef, undef, $blocks, $dev) = split or next;
-        my %skip_conditions = (
+        
+	my %skip_conditions = (
              "Skipping <$dev> because too little blocks ($blocks)" => ($blocks <= 1),
              "Skipping <$dev> because doesn't end with a number (e.g. seems to not be a partition)" => ($dev !~ /\d$/),
         );
         $skip_conditions{$_} and ($verbose and print(STDERR $_, "\n")), next P foreach keys %skip_conditions;
         my $type = typeFromMagic("/dev/$dev");
-        if($type eq "NTFS" || $type eq "FAT32" || $type eq "FAT") {
-		#            printf "$dev: type <0x%0x> (%s)\n", $type, $type2name{$type};
-        $fat_parts->{$dev} = $type;
+
+        if($type2name{$type} =~ /NTFS/ || $type2name{$type} =~ /FAT32/ || $type2name{$type} =~ /FAT/) {
+	    printf "$dev: type <0x%0x> (%s)\n", $type, $type2name{$type};
+            $fat_parts[$i] = "$dev ($type2name{$type})";
+	    $i++;
         }
     }
 
-    return $in->ask_from_list_(_("Select your windows partition"),
-            _("Please specify your windows partition from the following list"),
-            [ %fat_parts ],
-            $fat_parts->{$dev})
-            or quit_global($in, 0);
+    my $win_part = $in->ask_from_list_(_("Select your windows partition"),
+                        _("Please specify your windows partition from the following list"),
+                        [ @fat_parts ],
+                        $fat_parts[0])
+                        or quit_global($in, 0);
+    if($fat_parts[1] eq "") { $in->ask_warn(_("Your Windows Partition"), _("$fat_parts[0] is your Windows partition")); }
+			
+    return $win_part;
 }
 
 sub get_windows_version {
@@ -97,8 +106,12 @@ sub get_windows_version {
 
 sub get_windows_config {
     my %config;
-    $config->{'partitions'} = get_windows_partition();
+    my $in = $_[0];
+
+    $config->{'partitions'} = get_windows_partition($in);
+    print $config->{'partitions'} . '\n';
 }
 
 sub get_linux_config {
 }
+1;
-- 
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