Re: [lwip-users] Allocate a netbuf to send with netconn_write

[Ueli Niederer]

From what I know, you don't need a //netbuf// to prepare the data to  
be sent. You can pass a "normal" buffer to netconn_write along with  
the flag NETCONN_COPY to send your data.

Regards
Ueli

Quoting address@hidden:

> I want to send a TCP/IP message with netconn_write. Before that I  
> need to prepare the data I have to send.
>
> For that reason I want to allocate a netbuf with the maximum block  
> size, because I don't know the exact size of the send data. How can  
> I do that? Is there an example (allocate netbuf, send, free buffer)?
>
> Thanks a lot for ideas.
>
> Best regards.
> Markus
>
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