tech-net archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: question about mbuf intialization

On Sep 18, 2013, at 8:33 AM, Beverly Schwartz <> 

> Any reason why we can't add
>       m->m_len = 0;
> to m_get, and
>       m->m_pkthdr.len = 0;
> to m_gethdr?

Why not m->m_len = MLEN or MHLEN and m->m_pkthdr.len = MHLEN?

That way you know how much space is left.

But in reality, it's expected the user knows that the length
fields and/or m_data need to be adjusted.

Home | Main Index | Thread Index | Old Index