Snatched from Debian

#!/bin/sh /usr/share/dpatch/dpatch-run
## 06-tocparser.dpatch by Florian Forster <octo@verplant.org>
##
## DP: Undo upstream removal of automatic reading of the track lengths in TOC
## DP: files (Closes: #440419).

@DPATCH@

diff -Naurp cdrdao-1.2.2.orig/trackdb/TocParser.g cdrdao-1.2.2/trackdb/TocParser.g
--- cdrdao-1.2.2.orig/trackdb/TocParser.g	2005-11-03 01:08:16.000000000 +0000
+++ cdrdao-1.2.2/trackdb/TocParser.g	2007-09-24 11:58:34.000000000 +0000
@@ -496,6 +496,15 @@ subTrack < [ TrackData::Mode trackType, 
 	  }
        >>
     )
+    << if ($st != NULL && $st->length() == 0) {
+         // try to determine length 
+         if ($st->determineLength() != 0) {
+	   message(-2, "%s:%d: Cannot determine length of track data specification.",
+		   filename_, $lineNr);
+	   error_ = 1;
+	 }
+       }
+    >> 
     ;
     // fail action
     << delete $st, $st = NULL;