[taler-exchange] branch master updated: -handle NULL nicely

[gnunet]

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new bbce483b -handle NULL nicely
bbce483b is described below

commit bbce483ba0fc2b0aa832c47bfa949481eea3bf98
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Mon Aug 23 08:31:01 2021 +0200

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

diff --git a/src/util/iban.c b/src/util/iban.c
index 7cf92849..efd8c428 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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