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Code Issues Releases Wiki Activity

Catch more exceptions while resolving objects

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This commit is contained in:
Jay Berkenbilt 2017-07-29 19:31:12 -04:00
parent b43a0ac237
commit 570db9b60b
1 changed files with 14 additions and 1 deletions
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15
libqpdf/QPDF.cc
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@ -1542,6 +1542,7 @@ QPDF::resolve(int objid, int generation)
}
QPDFXRefEntry const& entry = this->xref_table[og];
bool success = false;
try
{
switch (entry.getType())
@ -1569,11 +1570,23 @@ QPDF::resolve(int objid, int generation)
QUtil::int_to_string(generation) +
" has unexpected xref entry type");
}
success = true;
}
catch (QPDFExc& e)
{
QTC::TC("qpdf", "QPDF resolve failure to null");
warn(e);
}
catch (std::exception& e)
{
warn(QPDFExc(qpdf_e_damaged_pdf, this->file->getName(), "", 0,
"object " +
QUtil::int_to_string(objid) + "/" +
QUtil::int_to_string(generation) +
": error reading object: " + e.what()));
}
if (! success)
{
QTC::TC("qpdf", "QPDF resolve failure to null");
QPDFObjectHandle oh = QPDFObjectHandle::newNull();
this->obj_cache[og] =
ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);