exchange

commit ba17729f6568efab7cacfc292670169437cbbda8
parent becb7139e103a5ec8c18568a6cdbe756cb081ffd
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sun, 11 Jun 2017 16:06:52 +0200

tolerate empty transaction list when returning history

Diffstat:
M
src/bank-lib/fakebank.c
 | 
7
++++++-

1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/bank-lib/fakebank.c b/src/bank-lib/fakebank.c
@@ -521,7 +521,7 @@ handle_history (struct TALER_FAKEBANK_Handle *h,
     else
       pos = h->transactions_tail;
   }
-  else
+  else if (NULL != h->transactions_head)
   {
     for (pos = h->transactions_head;
          NULL != pos;
@@ -539,6 +539,11 @@ handle_history (struct TALER_FAKEBANK_Handle *h,
     if (count < 0)
       pos = pos->prev;
   }
+  else
+  {
+    /* list is empty */
+    pos = NULL;
+  }
   history = json_array ();
   while ( (NULL != pos) &&
           (0 != count) )