Change QPDFWriter::object_queue to std::vector

m-holger · Jay Berkenbilt
1 parent 9c216a06
Showing 2 changed files with 5 additions and 4 deletions
include/qpdf/QPDFWriter.hh
libqpdf/QPDFWriter.cc
@@ -751,7 +751,8 @@ class QPDFWriter
         std::string cur_data_key;
         std::list<std::shared_ptr<Pipeline>> to_delete;
         Pl_Count* pipeline;
-        std::list<QPDFObjectHandle> object_queue;
+        std::vector<QPDFObjectHandle> object_queue;
+        size_t object_queue_front{0};
         std::map<QPDFObjGen, int> obj_renumber;
         std::map<int, QPDFXRefEntry> xref;
         std::map<int, qpdf_offset_t> lengths;
@@ -3363,9 +3363,9 @@ QPDFWriter::writeStandard()
     }
  
     // Now start walking queue, outputting each object.
-    while (this->m->object_queue.size()) {
-        QPDFObjectHandle cur_object = this->m->object_queue.front();
-        this->m->object_queue.pop_front();
+    while (m->object_queue_front < m->object_queue.size()) {
+        QPDFObjectHandle cur_object = m->object_queue.at(m->object_queue_front);
+        ++m->object_queue_front;
         writeObject(cur_object);
     }