Remove an unreachable condition in GetXFAEntryFromDocument().
All the callers already validate the input to GetXFAEntryFromDocument().
Change-Id: Ia15e27470e135b31b46f5059d82ad2516c8cff50
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/72020
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/fpdfsdk/fpdf_view.cpp b/fpdfsdk/fpdf_view.cpp
index 22ef51a..a090367 100644
--- a/fpdfsdk/fpdf_view.cpp
+++ b/fpdfsdk/fpdf_view.cpp
@@ -90,11 +90,7 @@
bool g_bLibraryInitialized = false;
-const CPDF_Object* GetXFAEntryFromDocument(FPDF_DOCUMENT document) {
- const CPDF_Document* doc = CPDFDocumentFromFPDFDocument(document);
- if (!doc)
- return nullptr;
-
+const CPDF_Object* GetXFAEntryFromDocument(const CPDF_Document* doc) {
const CPDF_Dictionary* root = doc->GetRoot();
if (!root)
return nullptr;
@@ -1181,11 +1177,12 @@
}
FPDF_EXPORT int FPDF_CALLCONV FPDF_GetXFAPacketCount(FPDF_DOCUMENT document) {
- if (!document)
+ CPDF_Document* doc = CPDFDocumentFromFPDFDocument(document);
+ if (!doc)
return -1;
return pdfium::CollectionSize<int>(
- GetXFAPackets(GetXFAEntryFromDocument(document)));
+ GetXFAPackets(GetXFAEntryFromDocument(doc)));
}
FPDF_EXPORT unsigned long FPDF_CALLCONV
@@ -1193,11 +1190,12 @@
int index,
void* buffer,
unsigned long buflen) {
- if (!document || index < 0)
+ CPDF_Document* doc = CPDFDocumentFromFPDFDocument(document);
+ if (!doc || index < 0)
return 0;
std::vector<XFAPacket> xfa_packets =
- GetXFAPackets(GetXFAEntryFromDocument(document));
+ GetXFAPackets(GetXFAEntryFromDocument(doc));
if (static_cast<size_t>(index) >= xfa_packets.size())
return 0;
@@ -1211,11 +1209,12 @@
void* buffer,
unsigned long buflen,
unsigned long* out_buflen) {
- if (!document || index < 0 || !out_buflen)
+ CPDF_Document* doc = CPDFDocumentFromFPDFDocument(document);
+ if (!doc || index < 0 || !out_buflen)
return false;
std::vector<XFAPacket> xfa_packets =
- GetXFAPackets(GetXFAEntryFromDocument(document));
+ GetXFAPackets(GetXFAEntryFromDocument(doc));
if (static_cast<size_t>(index) >= xfa_packets.size())
return false;