From 06e7401228a2835814f01bb393d98c9031e93eef Mon Sep 17 00:00:00 2001
From: Pompolic <pompolic@special-circumstanc.es>
Date: Wed, 15 Dec 2021 17:33:23 +0100
Subject: [PATCH] Add debug output
---
pdf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/pdf.c b/pdf.c
index 8aa66d4..0897ab9 100644
--- a/pdf.c
+++ b/pdf.c
@@ -2785,8 +2785,11 @@ lookup_xref(struct Env *aux, size_t nr, size_t gen)
n = H_INDEX_UINT(ss, 0, 1);
if( nr >= base && nr - base < n && check_null_object(ss->seq->elements[1]->seq->elements[nr-base]))
+ {
+ fprintf(stderr, "XRef in section %ld subsection %ld id %ld is null.\n", i, j, nr-base); //DEBUG
/* xref type was invalid during parsing */
return NULL;
+ }
if (nr >= base && nr - base < n)
return H_INDEX(XREntry, ss, 1, nr - base);
--
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