add KYC_AML_TRIGGER option (not implemented)

src/exchange/taler-exchange-httpd.c

@@ -153,6 +153,11 @@ struct TALER_EXCHANGEDB_Plugin *TEH_plugin;
  */
 char *TEH_currency;
 
+/**
+ * Name of the KYC-AML-trigger evaluation binary.
+ */
+char *TEH_kyc_aml_trigger;
+
 /**
  * Option set to #GNUNET_YES if tipping is enabled.
  */
@@ -1849,6 +1854,17 @@ exchange_serve_process_config (void)
                                "valid relative time expected");
     return GNUNET_SYSERR;
   }
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (TEH_cfg,
+                                             "exchange",
+                                             "KYC_AML_TRIGGER",
+                                             &TEH_kyc_aml_trigger))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "exchange",
+                               "KYC_AML_TRIGGER");
+    return GNUNET_SYSERR;
+  }
   if (GNUNET_OK !=
       TALER_config_get_currency (TEH_cfg,
                                  &TEH_currency))

src/exchange/taler-exchange-httpd.h

@@ -102,6 +102,11 @@ extern struct TALER_EXCHANGEDB_Plugin *TEH_plugin;
  */
 extern char *TEH_currency;
 
+/**
+ * Name of the KYC-AML-trigger evaluation binary.
+ */
+extern char *TEH_kyc_aml_trigger;
+
 /**
  * What is the largest amount we allow a peer to
  * merge into a reserve before always triggering

src/util/conversion.c

@@ -251,7 +251,7 @@ child_done_cb (void *cls,
                long unsigned int exit_code)
 {
   struct TALER_JSON_ExternalConversion *ec = cls;
-  json_t *j;
+  json_t *j = NULL;
   json_error_t err;
 
   ec->cwh = NULL;
@@ -269,6 +269,8 @@ child_done_cb (void *cls,
   }
   GNUNET_OS_process_destroy (ec->helper);
   ec->helper = NULL;
+  if (0 != ec->read_pos)
+  {
     j = json_loadb (ec->read_buf,
                     ec->read_pos,
                     JSON_REJECT_DUPLICATES,
@@ -280,6 +282,7 @@ child_done_cb (void *cls,
                   err.position,
                   err.text);
     }
+  }
   ec->cb (ec->cb_cls,
           type,
           exit_code,