poppler/SOURCES/poppler-0.66.0-stream-check...

29 lines
740 B
Diff

From 6912e06d9ab19ba28991b5cab3319d61d856bd6d Mon Sep 17 00:00:00 2001
From: Adam Reichold <adam.reichold@t-online.de>
Date: Tue, 6 Nov 2018 09:00:02 +0100
Subject: [PATCH] Check for stream before calling stream methods when saving an
embedded file.
Closes #659
---
poppler/FileSpec.cc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/poppler/FileSpec.cc b/poppler/FileSpec.cc
index 7479c2d2..d5543041 100644
--- a/poppler/FileSpec.cc
+++ b/poppler/FileSpec.cc
@@ -93,6 +93,9 @@ bool EmbFile::save(const char *path) {
GBool EmbFile::save2(FILE *f) {
int c;
+ if (unlikely(!m_objStr.isStream()))
+ return false;
+
m_objStr.streamReset();
while ((c = m_objStr.streamGetChar()) != EOF) {
fputc(c, f);
--
2.19.1