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Use QPDFObjGen::set in QPDF::updateObjectMaps

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This commit is contained in:
m-holger 2023-05-18 18:05:59 +01:00
parent 8fbef47093
commit ae2d623929
2 changed files with 4 additions and 5 deletions
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2
include/qpdf/QPDF.hh
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@ -1645,7 +1645,7 @@ class QPDF
ObjUser const& ou,
QPDFObjectHandle oh,
std::function<int(QPDFObjectHandle&)> skip_stream_parameters,
std::set<QPDFObjGen>& visited,
QPDFObjGen::set& visited,
bool top);
void filterCompressedObjects(std::map<int, int> const& object_stream_data);

7
libqpdf/QPDF_optimization.cc
View File

@ -284,7 +284,7 @@ QPDF::updateObjectMaps(
QPDFObjectHandle oh,
std::function<int(QPDFObjectHandle&)> skip_stream_parameters)
{
std::set<QPDFObjGen> visited;
QPDFObjGen::set visited;
updateObjectMapsInternal(ou, oh, skip_stream_parameters, visited, true);
}
@ -293,7 +293,7 @@ QPDF::updateObjectMapsInternal(
ObjUser const& ou,
QPDFObjectHandle oh,
std::function<int(QPDFObjectHandle&)> skip_stream_parameters,
std::set<QPDFObjGen>& visited,
QPDFObjGen::set& visited,
bool top)
{
// Traverse the object tree from this point taking care to avoid
@ -310,13 +310,12 @@ QPDF::updateObjectMapsInternal(
if (oh.isIndirect()) {
QPDFObjGen og(oh.getObjGen());
if (visited.count(og)) {
if (!visited.add(og)) {
QTC::TC("qpdf", "QPDF opt loop detected");
return;
}
this->m->obj_user_to_objects[ou].insert(og);
this->m->object_to_obj_users[og].insert(ou);
visited.insert(og);
}
if (oh.isArray()) {