From 6318399941040d1e0160f5f965887b3f9e8ac317 Mon Sep 17 00:00:00 2001
From: Evangelos Rigas <erigas@rnd2.org>
Date: Wed, 11 Jul 2018 17:52:57 +0100
Subject: [PATCH 2/2] [utils] Add PDF subtype (PDF/A, PDF/X) to pdfinfo utility

If GTS_PDFA1Version or GTS_PDFXVersion is found inside the PDF
Information Dictionary print the PDF subtype and version after
PDF version.

For a PDF/X-3 document the following info will be displayed:
PDF version:    1.3
PDF subtype:    PDF/X-3:2002

 1 file changed, 7 insertions(+)

diff --git a/utils/pdfinfo.cc b/utils/pdfinfo.cc
index 4542580b..d9a40b5a 100644
--- a/utils/pdfinfo.cc
+++ b/utils/pdfinfo.cc
@@ -429,6 +429,7 @@ static void printInfo(PDFDoc *doc, UnicodeMap *uMap, long long filesize, GBool m
   double w, h, wISO, hISO;
   int pg, i;
   int r;
+  GooString *subtype;
 
   // print doc info
   Object info = doc->getDocInfo();
@@ -595,6 +596,12 @@ static void printInfo(PDFDoc *doc, UnicodeMap *uMap, long long filesize, GBool m
 
   // print PDF version
   printf("PDF version:    %d.%d\n", doc->getPDFMajorVersion(), doc->getPDFMinorVersion());
+
+  subtype = doc->getDocInfoSubtype();
+  if (subtype != nullptr) {
+    printf("PDF subtype:    %s\n", subtype->getCString());
+  }
+
 }
 
 int main(int argc, char *argv[]) {
-- 
2.18.0