From 1afde767c483e9672beed15c549717de2db061da Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Fri, 14 Apr 2023 11:47:57 +0000
Subject: [PATCH] print an error message if /Root not found
If we are actually processing page content, that is.
---
pdf.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/pdf.c b/pdf.c
index a7697b5..ae4efb7 100644
--- a/pdf.c
+++ b/pdf.c
@@ -4397,8 +4397,12 @@ process_page_content(struct Env *aux)
/* process the document starting from the /Root object */
tok = dictentry(trailer, "Root");
- if (tok != NULL && tok->token_type == TT_Ref)
- parse_catalog(aux, tok);
+ if (tok == NULL || tok->token_type != TT_Ref) {
+ log_message(5, "%s: missing or malformed /Root in trailer\n",
+ aux->infile);
+ return; // XXX return an error code!
+ }
+ parse_catalog(aux, tok);
}
--
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