Avoid setting descriptions / offsets for direct nulls in QPDFParser::parse

Part of #729

Avoid setting descriptions / offsets for direct nulls in QPDFParser::parse
Part of #729
m-holger
1 parent 7402c02c
Showing 1 changed file with 6 additions and 2 deletions
libqpdf/QPDFParser.cc
@@ -272,8 +272,12 @@ QPDFParser::parse(bool&amp; empty, bool content_stream)
  
         case st_dictionary:
         case st_array:
-            setDescriptionFromInput(object, input->getLastOffset());
-            object.setParsedOffset(input->getLastOffset());
+            if (!object.isDirectNull()) {
+                // No need to set description for direct nulls- they will
+                // become implicit.
+                setDescriptionFromInput(object, input->getLastOffset());
+                object.setParsedOffset(input->getLastOffset());
+            }
             set_offset = true;
             olist.push_back(object);
             break;