/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2020, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* queue.c: Various queue routines (for lists)
*
* Known contributors to this file:
- *
+ * Markus Armbruster, 2014
*/
#include <config.h>
elem->q_back->q_forw = elem->q_forw;
}
+int
+emp_quelen(struct emp_qelem *queue)
+{
+ struct emp_qelem *qp;
+ int len;
+
+ for (qp = queue->q_forw, len = 0; qp != queue; qp = qp->q_forw, len++)
+ ;
+ return len;
+}
+
struct emp_qelem *
emp_searchque(struct emp_qelem *queue, void *key,
int (*test)(struct emp_qelem *, void *))