From bbce483ba0fc2b0aa832c47bfa949481eea3bf98 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 23 Aug 2021 08:31:01 +0200
Subject: -handle NULL nicely

---
 src/util/iban.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/util/iban.c b/src/util/iban.c
index 7cf928494..efd8c4282 100644
--- a/src/util/iban.c
+++ b/src/util/iban.c
@@ -226,6 +226,8 @@ TALER_iban_validate (const char *iban)
   unsigned int i;
   unsigned int j;
 
+  if (NULL == iban)
+    return GNUNET_strdup ("(null) is not a valid IBAN");
   len = strlen (iban);
   if (len < 4)
     return GNUNET_strdup ("IBAN number too short to be valid");
-- 
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