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-rw-r--r--libqpdf/QPDF.cc6
1 files changed, 3 insertions, 3 deletions
diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
index d176e516..35d9b400 100644
--- a/libqpdf/QPDF.cc
+++ b/libqpdf/QPDF.cc
@@ -782,7 +782,7 @@ QPDF::read_xrefStream(off_t xref_offset)
try
{
xref_obj = readObjectAtOffset(
- false, xref_offset, "xref stream", 0, 0, xobj, xgen);
+ false, xref_offset, "xref stream", -1, 0, xobj, xgen);
}
catch (QPDFExc& e)
{
@@ -1580,7 +1580,7 @@ QPDF::readObjectAtOffset(bool try_recovery,
objid = atoi(tobjid.getValue().c_str());
generation = atoi(tgen.getValue().c_str());
- if (exp_objid &&
+ if ((exp_objid >= 0) &&
(! ((objid == exp_objid) && (generation == exp_generation))))
{
QTC::TC("qpdf", "QPDF err wrong objid/generation");
@@ -1593,7 +1593,7 @@ QPDF::readObjectAtOffset(bool try_recovery,
}
catch (QPDFExc& e)
{
- if (exp_objid && try_recovery && this->attempt_recovery)
+ if ((exp_objid >= 0) && try_recovery && this->attempt_recovery)
{
// Try again after reconstructing xref table
reconstruct_xref(e);