36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 4f478daa6a9734b8f269a6586bdce2909844bb6f Mon Sep 17 00:00:00 2001
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From: Albert Astals Cid <aacid@kde.org>
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Date: Wed, 23 Dec 2020 23:52:58 +0100
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Subject: Fix opening files by some generators that are a bit broken
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But Adobe opens it and it's easy to fix
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diff --git a/poppler/XRef.cc b/poppler/XRef.cc
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index 66d3f04a..c36c747a 100644
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--- a/poppler/XRef.cc
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+++ b/poppler/XRef.cc
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@@ -45,6 +45,7 @@
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#include <cctype>
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#include <climits>
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#include <cfloat>
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+#include <limits>
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#include "goo/gfile.h"
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#include "goo/gmem.h"
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#include "Object.h"
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@@ -793,8 +794,13 @@ bool XRef::readXRefStreamSection(Stream *xrefStr, const int *w, int first, int n
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gen = (gen << 8) + c;
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}
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if (gen > INT_MAX) {
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- error(errSyntaxError, -1, "Gen inside xref table too large (bigger than INT_MAX)");
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- return false;
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+ if (i == 0 && gen == std::numeric_limits<uint32_t>::max()) {
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+ // workaround broken generators
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+ gen = 65535;
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+ } else {
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+ error(errSyntaxError, -1, "Gen inside xref table too large (bigger than INT_MAX)");
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+ return false;
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+ }
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}
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if (entries[i].offset == -1) {
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switch (type) {
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