diff options
Diffstat (limited to 'include/osmocom/core')
| -rw-r--r-- | include/osmocom/core/msgb.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/osmocom/core/msgb.h b/include/osmocom/core/msgb.h index b1cb6ec7..8843db01 100644 --- a/include/osmocom/core/msgb.h +++ b/include/osmocom/core/msgb.h @@ -169,6 +169,18 @@ static inline unsigned int msgb_l3len(const struct msgb *msgb) return msgb->tail - (uint8_t *)msgb_l3(msgb); } +/*! determine length of L4 message + * \param[in] msgb message buffer + * \returns size of L4 message in bytes + * + * This function computes the number of bytes between the tail of the + * message and the layer 4 header. + */ +static inline unsigned int msgb_l4len(const struct msgb *msgb) +{ + return msgb->tail - (uint8_t *)msgb_sms(msgb); +} + /*! determine the length of the header * \param[in] msgb message buffer * \returns number of bytes between start of buffer and start of msg |