1 files changed, 21 insertions, 2 deletions
diff --git a/src/exchange/taler-exchange-httpd_wire.c b/src/exchange/taler-exchange-httpd_wire.c
index 79e69cc13..372e39bb6 100644
--- a/src/exchange/taler-exchange-httpd_wire.c
+++ b/src/exchange/taler-exchange-httpd_wire.c
@@ -27,6 +27,12 @@
 #include <jansson.h>
 
 /**
+ * Cached JSON for /wire response.
+ */
+static json_t *wire_methods;
+
+
+/**
  * Handle a "/wire" request.
  *
  * @param rh context of the handler
@@ -43,8 +49,6 @@ TMH_WIRE_handler_wire (struct TMH_RequestHandler *rh,
                        const char *upload_data,
                        size_t *upload_data_size)
 {
-  static json_t *wire_methods;
-
   if (NULL == wire_methods)
     wire_methods = TMH_VALIDATION_get_wire_methods ("exchange-wire-incoming");
 
@@ -54,4 +58,19 @@ TMH_WIRE_handler_wire (struct TMH_RequestHandler *rh,
 }
 
 
+/**
+ * Initialize libgcrypt.
+ */
+void  __attribute__ ((destructor))
+TEH_wire_cleanup ()
+{
+  if (NULL != wire_methods)
+  {
+    json_decref (wire_methods);
+    wire_methods = NULL;
+  }
+}
+
+
+
 /* end of taler-exchange-httpd_wire.c */