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Merge pull request #1997 from yatch/pr/packetbuf-remaininglen

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Introduce packetbuf_remaininglen()
This commit is contained in:
Antonio Lignan 2016-12-27 22:38:14 +01:00 committed by GitHub
commit 9befc02331
2 changed files with 19 additions and 6 deletions
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6
core/net/packetbuf.c
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@ -184,6 +184,12 @@ packetbuf_totlen(void)
return packetbuf_hdrlen() + packetbuf_datalen(); return packetbuf_hdrlen() + packetbuf_datalen();
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
uint16_t
packetbuf_remaininglen(void)
{
return PACKETBUF_SIZE - packetbuf_totlen();
}
/*---------------------------------------------------------------------------*/
void void
packetbuf_attr_clear(void) packetbuf_attr_clear(void)
{ {

7
core/net/packetbuf.h
View File

@ -123,6 +123,13 @@ uint16_t packetbuf_datalen(void);
*/ */
uint16_t packetbuf_totlen(void); uint16_t packetbuf_totlen(void);
/**
* \brief Get the total length of the remaining space in the packetbuf
* \return Length of the remaining space in the packetbuf
*
*/
uint16_t packetbuf_remaininglen(void);
/** /**
* \brief Set the length of the data in the packetbuf * \brief Set the length of the data in the packetbuf
* \param len The length of the data * \param len The length of the data