Move msgb_push helpers to public header
The msgb_wrap_with_TL() is generally useful so it make sense to make it
public to facilitate code re-use.
Other helpers can be implemented as trivial wrappers over existing tlv.h
functions. Update headers and code accordingly.
Change-Id: I37e91d031fba28cf1c6735b8069b0265746f55e6
diff --git a/include/osmocom/core/msgb.h b/include/osmocom/core/msgb.h
index 8843db0..2449151 100644
--- a/include/osmocom/core/msgb.h
+++ b/include/osmocom/core/msgb.h
@@ -366,6 +366,15 @@
osmo_store32be(word, space);
}
+static inline unsigned char *msgb_wrap_with_TL(struct msgb *msgb, uint8_t tag)
+{
+ uint8_t *data = msgb_push(msgb, 2);
+
+ data[0] = tag;
+ data[1] = msgb->len - 2;
+ return data;
+}
+
/*! remove (pull) a header from the front of the message buffer
* \param[in] msgb message buffer
* \param[in] len number of octets to be pulled