diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/osmocom/core/msgb.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/osmocom/core/msgb.h b/include/osmocom/core/msgb.h index 5d4bd84b..33e8081f 100644 --- a/include/osmocom/core/msgb.h +++ b/include/osmocom/core/msgb.h @@ -300,6 +300,21 @@ static inline unsigned char *msgb_pull(struct msgb *msgb, unsigned int len) return msgb->data += len; } +/*! \brief remove (pull) all headers in front of l3h from the message buffer. + * \param[in] msgb message buffer with a valid l3h + * \returns pointer to new start of msgb (l3h) + * + * This function moves the \a data pointer of the \ref msgb further back + * in the message, thereby shrinking the size of the message. + * l1h and l2h will be cleared. + */ +static inline unsigned char *msgb_pull_to_l3(struct msgb *msg) +{ + unsigned char *ret = msgb_pull(msg, msg->l3h - msg->data); + msg->l1h = msg->l2h = NULL; + return ret; +} + /*! \brief remove uint8 from front of message * \param[in] msgb message buffer * \returns 8bit value taken from end of msgb |