unless $got->value('Bufsize') >= 1;

    my $status = 0 ;
    my $obj ;
    ($obj, $status) = Compress::Raw::Zlib::_inflateInit(FLAG_CONSUME_INPUT,
                                $got->value('WindowBits'), 
                                $got->value('Bufsize'), 
                                $got->value('Dictionary')) ;

    my $x = ($status == Z_OK() ? bless $obj, "Zlib::OldInflate"  : undef) ;

    wantarray ? ($x, $status) : $x ;
}

package Zlib::OldDeflate ;

our (@ISA);
@ISA = qw(Compress::Raw::Zlib::deflateStream);


sub deflate
{
    my $self = shift ;
    my $output ;

    my $status = $self->SUPER::deflate($_[0], $output) ;
    wantarray ? ($output, $status) : $output ;
}

sub flush
{
    my $self = shift ;
    my $output ;
    my $flag = shift || Compress::Zlib::Z_FINISH();
    my $status = $self->SUPER::flush($output, $flag) ;
    
    wantarray ? ($output, $status) : $output ;
}

package Zlib::OldInflate ;

our (@ISA);
@ISA = qw(Compress::Raw::Zlib::inflateStream);

sub inflate
{
    my $self = shift ;
    my $output ;
    my $status = $self->SUPER::inflate($_[0], $output) ;
    wantarray ? ($output, $status) : $output ;
}

package Compress::Zlib ;

use IO::Compress::Gzip::Constants 2.015 ;

sub memGzip($)
{
  my $out;

  # if the deflation buffer isn't a reference, make it one
  my $string = (ref $_[0] ? $_[0] : \$_[0]) ;

  $] >= 5.008 and (utf8::downgrade($$string, 1) 
      or croak "Wide character in memGzip");

  IO::Compress::Gzip::gzip($string, \$out, Minimal => 1)
      or return undef ;

  return $out;
}


sub _removeGzipHeader($)
{
    my $string = shift ;

    return Z_DATA_ERROR() 
        if length($$string) < GZIP_MIN_HEADER_SIZE ;

    my ($magic1, $magic2, $method, $flags, $time, $xflags, $oscode) = 
        unpack ('CCCCVCC', $$string);

    return Z_DATA_ERROR()
        unless $magic1 == GZIP_ID1 and $magic2 == GZIP_ID2 and
           $method == Z_DEFLATED() and !($flags & GZIP_FLG_RESERVED) ;
    substr($$string, 0, GZIP_MIN_HEADER_SIZE) = '' ;

    # skip extra field
    if ($flags & GZIP_FLG_FEXTRA)
    {
        return Z_DATA_ERROR()
            if length($$string) < GZIP_FEXTRA_HEADER_SIZE ;

        my ($extra_len) = unpack ('v', $$string);
        $extra_len += GZIP_FEXTRA_HEADER_SIZE;
        return Z_DATA_ERROR()
            if length($$string) < $extra_len ;

        substr($$string, 0, $extra_len) = '';