Use of certificate_printer by swanctl --list-certs command

src/swanctl/command.h

@@ -2,6 +2,9 @@
  * Copyright (C) 2009 Martin Willi
  * Hochschule fuer Technik Rapperswil
  *
+ * Copyright (C) 2015 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
  * This program 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 2 of the License, or (at your
@@ -79,10 +82,12 @@ struct command_t {
  * Command format options
 */
 enum command_format_options_t {
-	COMMAND_FORMAT_NONE   = 0,
+	COMMAND_FORMAT_NONE   =  0,
 	COMMAND_FORMAT_RAW    = (1<<0),
 	COMMAND_FORMAT_PRETTY = (1<<1),
 	COMMAND_FORMAT_PEM    = (1<<2),
+	COMMAND_FORMAT_SHORT  = (1<<3),
+	COMMAND_FORMAT_UTC    = (1<<4),
 };
 
 /**