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-rw-r--r--ChangeLog5
-rw-r--r--support/support_test_compare_blob.c4
2 files changed, 8 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index ea7b3d4f48a..0f6ee3ec8e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-05-16 Florian Weimer <fweimer@redhat.com>
+
+ * support/support_test_compare_blob.c (report_blob): Report
+ incorrect NULL blobs.
+
2019-05-15 Mark Wielaard <mark@klomp.org>
[BZ# 24476]
diff --git a/support/support_test_compare_blob.c b/support/support_test_compare_blob.c
index 5bcb03418c5..37f012257d9 100644
--- a/support/support_test_compare_blob.c
+++ b/support/support_test_compare_blob.c
@@ -33,7 +33,9 @@ static void
report_blob (const char *what, const unsigned char *blob,
unsigned long int length, const char *expr)
{
- if (length > 0)
+ if (blob == NULL && length > 0)
+ printf (" %s (evaluated from %s): NULL\n", what, expr);
+ else if (length > 0)
{
printf (" %s (evaluated from %s):\n", what, expr);
char *quoted = support_quote_blob (blob, length);