Re: NLMSG_* macros (was: Re: ULOG comments)

[Andi Kleen <ak@xxxxxx>]

On Tue, Aug 15, 2000 at 06:25:29PM +0200, Jan Echternach wrote:
> On Tue, Aug 15, 2000 at 06:18:12PM +0200, Andi Kleen wrote:
> > It is strongly recommended to use the NLMSG_* macros to avoid alignment 
> > problems
> > on other architectures than i386.
> 
> But there are absolutely no alignement problems with single-part
> messages.  Actually, there are even fewer alignment problems without

There is between the header and the payload.

> BTW, are there any other reasons for using NLMSG_* apart from
> alignement issues?

The main reason is alignment, and it is usually cleaner than doing pointer
arithmetic by hand in case of multipart messages. 


-Andi