[GNUnet-SVN] [taler-exchange] 02/03: tolerate empty transaction list when returning history

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grothoff pushed a commit to branch master
in repository exchange.

commit ba17729f6568efab7cacfc292670169437cbbda8
Author: Christian Grothoff <address@hidden>
AuthorDate: Sun Jun 11 16:06:52 2017 +0200

    tolerate empty transaction list when returning history
---
 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
index 0b67b7f..037698c 100644
--- 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) )

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