From f95a6cce85e33174130c298c108d7ea9751d7cfe Mon Sep 17 00:00:00 2001
From: adamdunkels <adamdunkels>
Date: Sun, 28 Feb 2010 09:20:32 +0000
Subject: [PATCH] Added function for obtaining packet queue length

---
 core/net/rime/packetqueue.c |  8 +++++++-
 core/net/rime/packetqueue.h | 13 ++++++++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/core/net/rime/packetqueue.c b/core/net/rime/packetqueue.c
index a4f0ab029..e6eda223f 100644
--- a/core/net/rime/packetqueue.c
+++ b/core/net/rime/packetqueue.c
@@ -32,7 +32,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: packetqueue.c,v 1.1 2009/04/29 20:47:30 adamdunkels Exp $
+ * $Id: packetqueue.c,v 1.2 2010/02/28 09:20:32 adamdunkels Exp $
  */
 
 /**
@@ -123,6 +123,12 @@ packetqueue_dequeue(struct packetqueue *q)
   }
 }
 /*---------------------------------------------------------------------------*/
+int
+packetqueue_len(struct packetqueue *q)
+{
+  return list_length(*q->list);
+}
+/*---------------------------------------------------------------------------*/
 struct queuebuf *
 packetqueue_queuebuf(struct packetqueue_item *i)
 {
diff --git a/core/net/rime/packetqueue.h b/core/net/rime/packetqueue.h
index 6ba9079aa..53996ac8a 100644
--- a/core/net/rime/packetqueue.h
+++ b/core/net/rime/packetqueue.h
@@ -41,7 +41,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: packetqueue.h,v 1.3 2009/05/26 13:58:53 nvt-se Exp $
+ * $Id: packetqueue.h,v 1.4 2010/02/28 09:20:32 adamdunkels Exp $
  */
 
 /**
@@ -177,6 +177,17 @@ struct packetqueue_item *packetqueue_first(struct packetqueue *q);
  */
 void packetqueue_dequeue(struct packetqueue *q);
 
+/**
+ * \brief      Get the length of the packet queue
+ * \param q    A pointer to a struct packetqueue.
+ * \return     The number of packets queued on the packet queue
+ *
+ *             This function returns the number of packets that are
+ *             queued on the packet queue.
+ *
+ */
+int packetqueue_len(struct packetqueue *q);
+
 /**
  * @}
  */