Fix fix-qdf for empty streams

Jay Berkenbilt
1 parent 802de87c
Showing 2 changed files with 9 additions and 1 deletions
ChangeLog
qpdf/fix-qdf.cc
+2020-10-23  Jay Berkenbilt  <ejb@ql.org>
+
+	* Bug fix: fix-qdf: properly handle empty streams with ignore
+	newline.
+
 2020-10-22  Jay Berkenbilt  <ejb@ql.org>
  
 	* Fix loop detection problem when traversing page thumbnails
@@ -294,7 +294,10 @@ QdfFixer::processLines(std::list&lt;std::string&gt;&amp; lines)
         {
             if (matches(re_ignore_newline))
             {
-                --stream_length;
+                if (stream_length > 0)
+                {
+                    --stream_length;
+                }
             }
             else if (matches(re_n_0_obj))
             {