From a5a9b424579243f6dbefe849ab2a5a516a676fff Mon Sep 17 00:00:00 2001
From: kkrentz <konrad.krentz@googlemail.com>
Date: Sun, 16 Mar 2014 08:53:34 -0700
Subject: [PATCH] packetbuf: Made packetbuf_hdrlen applicable to inbound
 packets, too

---
 core/net/packetbuf.c | 11 ++++++++++-
 core/net/packetbuf.h |  2 +-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/core/net/packetbuf.c b/core/net/packetbuf.c
index 94e8a4966..2248936d6 100644
--- a/core/net/packetbuf.c
+++ b/core/net/packetbuf.c
@@ -244,7 +244,16 @@ packetbuf_datalen(void)
 uint8_t
 packetbuf_hdrlen(void)
 {
-  return PACKETBUF_HDR_SIZE - hdrptr;
+  uint8_t hdrlen;
+  
+  hdrlen = PACKETBUF_HDR_SIZE - hdrptr;
+  if(hdrlen) {
+    /* outbound packet */
+    return hdrlen;
+  } else {
+    /* inbound packet */
+    return bufptr;
+  }
 }
 /*---------------------------------------------------------------------------*/
 uint16_t
diff --git a/core/net/packetbuf.h b/core/net/packetbuf.h
index ab84da8fe..c3efcb731 100644
--- a/core/net/packetbuf.h
+++ b/core/net/packetbuf.h
@@ -132,7 +132,7 @@ void *packetbuf_dataptr(void);
 void *packetbuf_hdrptr(void);
 
 /**
- * \brief      Get the length of the header in the packetbuf, for outbound packets
+ * \brief      Get the length of the header in the packetbuf
  * \return     Length of the header in the packetbuf
  *
  *             For outbound packets, the packetbuf consists of two