Added a function to clear only the header part of the packetbuf

core/net/rime/packetbuf.c

@@ -33,7 +33,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: packetbuf.c,v 1.4 2009/10/20 08:06:43 adamdunkels Exp $
+ * $Id: packetbuf.c,v 1.5 2010/02/06 07:48:52 adamdunkels Exp $
  */
 
 /**
@@ -120,6 +120,12 @@ packetbuf_clear(void)
   packetbuf_attr_clear();
 }
 /*---------------------------------------------------------------------------*/
+void
+packetbuf_clear_hdr(void)
+{
+  hdrptr = PACKETBUF_HDR_SIZE;
+}
+/*---------------------------------------------------------------------------*/
 int
 packetbuf_copyfrom(const void *from, uint16_t len)
 {