Function netbuf_next

components/net/lwip/lwip-2.1.2/src/api/netbuf.c:221–233

* @ingroup netbuf * Move the current data pointer of a packet buffer contained in a netbuf * to the next part. * The packet buffer itself is not modified. * * @param buf the netbuf to modify * @return -1 if there is no next part * 1 if moved to the next part but now there is no next part * 0 if moved to the next part and there are still more parts */

 *         0  if moved to the next part and there are still more parts
 */
s8_t
netbuf_next(struct netbuf *buf)
{
  LWIP_ERROR("netbuf_next: invalid buf", (buf != NULL), return -1;);
  if (buf->ptr->next == NULL) {
    return -1;
  }
  buf->ptr = buf->ptr->next;
  if (buf->ptr->next == NULL) {
    return 1;
  }
  return 0;
}

/**
 * @ingroup netbuf