summaryrefslogtreecommitdiff
path: root/fpdfsdk/fpdf_structtree.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'fpdfsdk/fpdf_structtree.cpp')
-rw-r--r--fpdfsdk/fpdf_structtree.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/fpdfsdk/fpdf_structtree.cpp b/fpdfsdk/fpdf_structtree.cpp
index b1fca65015..483d894f6e 100644
--- a/fpdfsdk/fpdf_structtree.cpp
+++ b/fpdfsdk/fpdf_structtree.cpp
@@ -99,15 +99,19 @@ FPDF_StructElement_GetTitle(FPDF_STRUCTELEMENT struct_element,
FPDF_EXPORT int FPDF_CALLCONV
FPDF_StructElement_CountChildren(FPDF_STRUCTELEMENT struct_element) {
CPDF_StructElement* elem = ToStructTreeElement(struct_element);
- return elem ? elem->CountKids() : -1;
+ if (!elem)
+ return -1;
+
+ pdfium::base::CheckedNumeric<int> tmp_size = elem->CountKids();
+ return tmp_size.ValueOrDefault(-1);
}
FPDF_EXPORT FPDF_STRUCTELEMENT FPDF_CALLCONV
FPDF_StructElement_GetChildAtIndex(FPDF_STRUCTELEMENT struct_element,
int index) {
CPDF_StructElement* elem = ToStructTreeElement(struct_element);
- if (!elem || index < 0 || index >= elem->CountKids())
+ if (!elem || index < 0 || static_cast<size_t>(index) >= elem->CountKids())
return nullptr;
- return elem->GetKidIfElement(index);
+ return elem->GetKidIfElement(static_cast<size_t>(index));
}