add put_first

include/tr/queue.h

@@ -52,6 +52,7 @@ TR_INSTANCE_INIT(TR_Queue);
 TR_CLASSVARS_DECL(TR_Queue) {};
 
 void   TR_queuePut(TR_Queue, void *);
+void   TR_queuePutFirst(TR_Queue, void *);
 void * TR_queueGet(TR_Queue);
 
 #define TR_queueEmpty(this)		(0 >= (this)->nmsg)

src/queue/Makefile.am

@@ -5,5 +5,5 @@ AM_CFLAGS += -I../../include/
 
 noinst_LTLIBRARIES = libqueue.la
 
-libqueue_la_SOURCES = queue.c get.c put.c
+libqueue_la_SOURCES = queue.c get.c put.c put_first.c
 libqueue_la_CFLAGS  = $(AM_CFLAGS)

src/queue/put_first.c

@@ -0,0 +1,37 @@
+/**
+ * \file
+ *
+ * \author	Georg Hopp
+ *
+ * \copyright
+ * Copyright © 2014 Georg Hopp
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "trbase.h"
+#include "tr/queue.h"
+
+void
+TR_queuePutFirst(TR_Queue this, void * msg)
+{
+	TR_Queue current_first = this->first;
+
+	this->first       = TR_new(TR_Queue);
+	this->first->next = current_first;
+	this->first->msg  = msg;
+	this->nmsg++;
+}
+
+// vim: set ts=4 sw=4: