1 files changed, 93 insertions, 0 deletions
diff --git a/ext/Compress/Zlib/lib/UncompressPlugin/Identity.pm b/ext/Compress/Zlib/lib/UncompressPlugin/Identity.pm
new file mode 100644
index 0000000000..3041a9f5a2
--- /dev/null
+++ b/ext/Compress/Zlib/lib/UncompressPlugin/Identity.pm
@@ -0,0 +1,93 @@
+package UncompressPlugin::Identity;
+
+use warnings;
+use strict;
+
+use Compress::Zlib::Common qw(:Status);
+
+our ($VERSION);
+
+$VERSION = '2.000_05';
+
+use Compress::Zlib ();
+
+sub mkUncompObject
+{
+    my $crc32 = 1; #shift ;
+    my $adler32 = shift;
+
+    bless { 'CompSize'   => 0,
+            'UnCompSize' => 0,
+            'wantCRC32'  => $crc32,
+            'CRC32'      => Compress::Zlib::crc32(''),
+            'wantADLER32'=> $adler32,
+            'ADLER32'    => Compress::Zlib::adler32(''),
+          } ;
+}
+
+sub uncompr
+{
+    my $self = shift;
+    my $eof = $_[2];
+
+    if (defined ${ $_[0] } && length ${ $_[0] }) {
+        $self->{CompSize} += length ${ $_[0] } ;
+        $self->{UnCompSize} = $self->{CompSize} ;
+
+        $self->{CRC32} = Compress::Zlib::crc32($_[0],  $self->{CRC32})
+            if $self->{wantCRC32};
+
+        $self->{ADLER32} = Compress::Zlib::adler32($_[0],  $self->{ADLER32})
+            if $self->{wantADLER32};
+
+        ${ $_[1] } .= ${ $_[0] };
+    }
+
+    return STATUS_ENDSTREAM if $eof;
+    return STATUS_OK ;
+}
+
+sub reset
+{
+    return STATUS_OK ;
+}
+
+
+sub count
+{
+    my $self = shift ;
+    return $self->{UnCompSize} ;
+}
+
+sub compressedBytes
+{
+    my $self = shift ;
+    return $self->{UnCompSize} ;
+}
+
+sub uncompressedBytes
+{
+    my $self = shift ;
+    return $self->{UnCompSize} ;
+}
+
+sub sync
+{
+    return STATUS_OK ;
+}
+
+sub crc32
+{
+    my $self = shift ;
+    return $self->{CRC32};
+}
+
+sub adler32
+{
+    my $self = shift ;
+    return $self->{ADLER32};
+}
+
+1;
+
+__END__