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From 5cdb78fde50e3dc16006070b0884dfb6b23d964c Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Thu, 14 May 2020 00:22:33 +0200
Subject: [PATCH] Fix crash in PDFDoc::getSignatureFields when there's no Forms
at all
---
poppler/PDFDoc.cc | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index 572c77be..4b5621fc 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -613,10 +613,12 @@ static void addSignatureFieldsToVector(FormField *ff, std::vector<FormFieldSigna
std::vector<FormFieldSignature*> PDFDoc::getSignatureFields()
{
-// const int num_pages = getNumPages();
std::vector<FormFieldSignature*> res;
const Form *f = catalog->getForm();
+ if (!f)
+ return res;
+
const int nRootFields = f->getNumFields();
for (int i = 0; i < nRootFields; ++i) {
FormField *ff = f->getRootField(i);
--
2.26.2
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