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packetbuf: Made packetbuf_hdrlen applicable to inbound packets, too

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This commit is contained in:
kkrentz 2014-03-16 08:53:34 -07:00
parent 7943751b16
commit a5a9b42457
2 changed files with 11 additions and 2 deletions
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11
core/net/packetbuf.c
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@ -244,7 +244,16 @@ packetbuf_datalen(void)
uint8_t uint8_t
packetbuf_hdrlen(void) 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 uint16_t

2
core/net/packetbuf.h
View File

@ -132,7 +132,7 @@ void *packetbuf_dataptr(void);
void *packetbuf_hdrptr(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 * \return Length of the header in the packetbuf
* *
* For outbound packets, the packetbuf consists of two * For outbound packets, the packetbuf consists of two