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net/gnrc/pktbuf.h: add note in gnrc_pktbuf_mark

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Jose Alamos 2019-02-14 15:09:03 +01:00
parent ff0e487510
commit f7ac0c57e9
1 changed files with 3 additions and 0 deletions
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3
sys/include/net/gnrc/pktbuf.h
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@ -113,6 +113,9 @@ gnrc_pktsnip_t *gnrc_pktbuf_add(gnrc_pktsnip_t *next, const void *data, size_t s
* @param[in] size The size of the new packet snip.
* @param[in] type The type of the new packet snip.
*
* @note It's not guaranteeed that `result->data` points to the same address
* as the original `pkt->data`.
*
* @return The new packet snip in @p pkt on success.
* @return NULL, if pkt == NULL or size == 0 or size > pkt->size or pkt->data == NULL.
* @return NULL, if no space is left in the packet buffer.