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net/nanocoap: define coap_data_ptr

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This commit is contained in:
Lasse Lueder 2018-10-25 09:50:26 +02:00
parent 2260cd7f45
commit 2ddd8ce1a9
1 changed files with 12 additions and 0 deletions
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12
sys/include/net/nanocoap.h
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@ -951,6 +951,18 @@ static inline unsigned coap_get_id(coap_pkt_t *pkt)
return ntohs(pkt->hdr->id); return ntohs(pkt->hdr->id);
} }
/**
* @brief Get the start of data after the header
*
* @param[in] hdr Header of CoAP packet in contiguous memory
*
* @returns pointer to first byte after the header
*/
static inline uint8_t *coap_hdr_data_ptr(coap_hdr_t *hdr)
{
return ((uint8_t *)hdr) + sizeof(coap_hdr_t);
}
/** /**
* @brief Get the total header length (4-byte header + token length) * @brief Get the total header length (4-byte header + token length)
* *