OpenSystemsDevelopment / qpdf

Commit c6872d2c700a9d27105debe93662ecaaf8beb3bd

Authored by Jay Berkenbilt
1 parent c16aa1ac

Clean up circular references in QPDF_Stream

Inline Side-by-side
Showing 3 changed files with 11 additions and 0 deletions
include/qpdf/QPDFObjectHandle.hh
  View file @c6872d2
... ... @@ -597,6 +597,7 @@ class QPDFObjectHandle
597 597 {
598 598 friend class QPDF_Dictionary;
599 599 friend class QPDF_Array;
  600 + friend class QPDF_Stream;
600 601 private:
601 602 static void releaseResolved(QPDFObjectHandle& o)
602 603 {
... ...
libqpdf/QPDF_Stream.cc
  View file @c6872d2
... ... @@ -45,6 +45,13 @@ QPDF_Stream::~QPDF_Stream()
45 45 }
46 46  
47 47 void
  48 +QPDF_Stream::releaseResolved()
  49 +{
  50 + this->stream_provider = 0;
  51 + QPDFObjectHandle::ReleaseResolver::releaseResolved(this->stream_dict);
  52 +}
  53 +
  54 +void
48 55 QPDF_Stream::setObjGen(int objid, int generation)
49 56 {
50 57 if (! ((this->objid == 0) && (this->generation == 0)))
... ...
libqpdf/qpdf/QPDF_Stream.hh
  View file @c6872d2
... ... @@ -43,6 +43,9 @@ class QPDF_Stream: public QPDFObject
43 43 // when adding streams to files.
44 44 void setObjGen(int objid, int generation);
45 45  
  46 + protected:
  47 + virtual void releaseResolved();
  48 +
46 49 private:
47 50 static std::map<std::string, std::string> filter_abbreviations;
48 51  
... ...