From 2243a01c6c5dfd6658044ab3394a319b6b970e32 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Fri, 23 Oct 2009 17:58:12 +0000
Subject: comment

git-svn-id: svn+q:///qpdf/trunk@898 71b93d88-0707-0410-a8cf-f5a4172ac649
---
 qpdf/qpdf-ctest.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/qpdf/qpdf-ctest.c b/qpdf/qpdf-ctest.c
index bcdc56fc..ef839c31 100644
--- a/qpdf/qpdf-ctest.c
+++ b/qpdf/qpdf-ctest.c
@@ -33,6 +33,8 @@ static void report_errors()
 	e = qpdf_get_error(qpdf);
 	assert(e == 0);
 	assert(qpdf_get_error_code(qpdf, e) == qpdf_e_success);
+	// Call these to ensure that they can be called on a null
+	// error pointer.
 	(void)qpdf_get_error_full_text(qpdf, e);
 	(void)qpdf_get_error_filename(qpdf, e);
 	(void)qpdf_get_error_file_position(qpdf, e);
-- 
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