private void crc32Manifest(ZipEntry e,Manifest m) throws IOException {
  CRC32OutputStream os=new CRC32OutputStream();
  m.write(os);
  os.updateEntry(e);
}

private void crc32Manifest ( ZipEntry e , Manifest m ) throws IOException { CRC32OutputStream os = new CRC32OutputStream ( ) ; m . write ( os ) ; os . updateEntry ( e ) ; }
computes the crc32 of a manifest . this is necessary when the zipoutputstream is in stored mode .
