6 files changed, 30 insertions, 23 deletions
diff --git a/src/exchange-lib/testing_api_cmd_bank_check.c b/src/exchange-lib/testing_api_cmd_bank_check.c
index df6c13933..c46aa10ba 100644
--- a/src/exchange-lib/testing_api_cmd_bank_check.c
+++ b/src/exchange-lib/testing_api_cmd_bank_check.c
@@ -355,6 +355,8 @@ TALER_TESTING_cmd_check_bank_empty (const char *label)
  * @param deposit_reference reference to a CMD that is
  *        able to provide the "check bank transfer" operation
  *        input data.
+ *
+ * @return the command.
  */
 struct TALER_TESTING_Command
 TALER_TESTING_cmd_check_bank_transfer_with_ref
diff --git a/src/exchange-lib/testing_api_cmd_exec_wirewatch.c b/src/exchange-lib/testing_api_cmd_exec_wirewatch.c
index 989dae08e..aebf46e27 100644
--- a/src/exchange-lib/testing_api_cmd_exec_wirewatch.c
+++ b/src/exchange-lib/testing_api_cmd_exec_wirewatch.c
@@ -2,18 +2,21 @@
   This file is part of TALER
   Copyright (C) 2018 Taler Systems SA
 
-  TALER is free software; you can redistribute it and/or modify it under the
-  terms of the GNU General Public License as published by the Free Software
-  Foundation; either version 3, or (at your option) any later version.
-
-  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
-  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License along with
-  TALER; see the file COPYING.  If not, see
+  TALER is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 3,
+  or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
+
 /**
  * @file exchange-lib/testing_api_cmd_exec_wirewatch.c
  * @brief run the taler-exchange-wirewatch command
diff --git a/src/exchange-lib/testing_api_helpers.c b/src/exchange-lib/testing_api_helpers.c
index c6459a541..b3e32fc26 100644
--- a/src/exchange-lib/testing_api_helpers.c
+++ b/src/exchange-lib/testing_api_helpers.c
@@ -568,10 +568,11 @@ TALER_TESTING_prepare_fakebank (const char *config_filename,
                         "payto://x-taler-bank/",
                         strlen ("payto://x-taler-bank/")))
   {
-    GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_WARNING,
-                               config_section,
-                               "URL",
-                               "expected `x-taler-bank' payto://-URL");
+    GNUNET_log_config_invalid
+      (GNUNET_ERROR_TYPE_WARNING,
+       config_section,
+       "URL",
+       "expected `x-taler-bank' payto://-URL");
     GNUNET_CONFIGURATION_destroy (cfg);
     GNUNET_free (payto_url);
     return NULL;
diff --git a/src/exchange-lib/testing_api_trait_amount.c b/src/exchange-lib/testing_api_trait_amount.c
index 9c37783b5..35bc86a20 100644
--- a/src/exchange-lib/testing_api_trait_amount.c
+++ b/src/exchange-lib/testing_api_trait_amount.c
@@ -43,10 +43,10 @@
  * @return #GNUNET_OK on success
  */
 int
-TALER_TESTING_get_trait_amount_obj (
-  const struct TALER_TESTING_Command *cmd,
-  unsigned int index,
-  const struct TALER_Amount **amount)
+TALER_TESTING_get_trait_amount_obj
+  (const struct TALER_TESTING_Command *cmd,
+   unsigned int index,
+   const struct TALER_Amount **amount)
 {
   return cmd->traits (cmd->cls,
                       (void **) amount,
@@ -65,9 +65,9 @@ TALER_TESTING_get_trait_amount_obj (
  * @return the trait.
  */
 struct TALER_TESTING_Trait
-TALER_TESTING_make_trait_amount_obj (
-  unsigned int index,
-  const struct TALER_Amount *amount)
+TALER_TESTING_make_trait_amount_obj
+  (unsigned int index,
+   const struct TALER_Amount *amount)
 {
   struct TALER_TESTING_Trait ret = {
     .index = index,
diff --git a/src/exchange-lib/testing_api_trait_reserve_priv.c b/src/exchange-lib/testing_api_trait_reserve_priv.c
index 587a11c6a..aa1ce3d6d 100644
--- a/src/exchange-lib/testing_api_trait_reserve_priv.c
+++ b/src/exchange-lib/testing_api_trait_reserve_priv.c
@@ -54,7 +54,6 @@ TALER_TESTING_get_trait_reserve_priv
 }
 
 
-
 /**
  * Offer a reserve private key.
  *
diff --git a/src/exchange-lib/testing_api_trait_wtid.c b/src/exchange-lib/testing_api_trait_wtid.c
index 140a2ac3e..8406dbbba 100644
--- a/src/exchange-lib/testing_api_trait_wtid.c
+++ b/src/exchange-lib/testing_api_trait_wtid.c
@@ -53,10 +53,12 @@ TALER_TESTING_get_trait_wtid
 }
 
 /**
+ * Offer a WTID.
+ *
  * @param index associate the object with this index
  * @param wtid which object should be returned
  *
- * @return the trait, to be put in the traits array of the command
+ * @return the trait.
  */
 struct TALER_TESTING_Trait
 TALER_TESTING_make_trait_wtid