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path: root/core/fpdfapi/parser/cpdf_parser.cpp
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Diffstat (limited to 'core/fpdfapi/parser/cpdf_parser.cpp')
-rw-r--r--core/fpdfapi/parser/cpdf_parser.cpp12
1 files changed, 7 insertions, 5 deletions
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index 9bb9bf22d7..029851570a 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -72,8 +72,9 @@ CPDF_Parser::~CPDF_Parser() {
}
uint32_t CPDF_Parser::GetLastObjNum() const {
- const uint32_t size = m_CrossRefTable->GetSize();
- return size ? size - 1 : 0;
+ return m_CrossRefTable->objects_info().empty()
+ ? 0
+ : m_CrossRefTable->objects_info().rbegin()->first;
}
bool CPDF_Parser::IsValidObjectNumber(uint32_t objnum) const {
@@ -114,8 +115,8 @@ bool CPDF_Parser::IsObjectFree(uint32_t objnum) const {
return GetObjectType(objnum) == ObjectType::kFree;
}
-void CPDF_Parser::ShrinkObjectMap(uint32_t max_size) {
- m_CrossRefTable->ShrinkObjectMap(max_size);
+void CPDF_Parser::ShrinkObjectMap(uint32_t objnum) {
+ m_CrossRefTable->ShrinkObjectMap(objnum);
}
bool CPDF_Parser::InitSyntaxParser(
@@ -741,7 +742,8 @@ bool CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, bool bMainXRef) {
const uint8_t* segstart = pData + segindex * totalWidth;
FX_SAFE_UINT32 dwMaxObjNum = startnum;
dwMaxObjNum += count;
- uint32_t dwV5Size = m_CrossRefTable->GetSize();
+ uint32_t dwV5Size =
+ m_CrossRefTable->objects_info().empty() ? 0 : GetLastObjNum() + 1;
if (!dwMaxObjNum.IsValid() || dwMaxObjNum.ValueOrDie() > dwV5Size)
continue;