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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp10
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp1
2 files changed, 9 insertions, 2 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
index 6c93bcb39f..e945ab52a0 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
@@ -1271,9 +1271,15 @@ void CPDF_IndirectObjects::InsertIndirectObject(FX_DWORD objnum, CPDF_Object* pO
if (objnum == 0 || pObj == NULL) {
return;
}
- FX_LPVOID value;
+ FX_LPVOID value = NULL;
if (m_IndirectObjs.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, value)) {
- ((CPDF_Object*)value)->Destroy();
+ if (value)
+ {
+ if (pObj->GetGenNum() <= ((CPDF_Object*)value)->GetGenNum())
+ return;
+ else
+ ((CPDF_Object*)value)->Destroy();
+ }
}
pObj->m_ObjNum = objnum;
m_IndirectObjs.SetAt((FX_LPVOID)(FX_UINTPTR)objnum, pObj);
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index b9e535977d..3bfd37fe4a 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -1384,6 +1384,7 @@ CPDF_Object* CPDF_Parser::ParseIndirectObjectAt(CPDF_IndirectObjects* pObjList,
m_Syntax.RestorePos(SavedPos);
if (pObj && !objnum) {
pObj->m_ObjNum = real_objnum;
+ pObj->m_GenNum = gennum;
}
return pObj;
}