On Sat, Aug 24, 2013 at 07:58:36PM +0000, Andre Oppermann wrote: A> Author: andre A> Date: Sat Aug 24 19:58:36 2013 A> New Revision: 254805 A> URL: http://svnweb.freebsd.org/changeset/base/254805 A> A> Log: A> Add mtodo(m, o) macro taking an additional offset into the mbuf data section. A> A> Sponsored by: The FreeBSD Foundation A> A> Modified: A> head/sys/sys/mbuf.h A> A> Modified: head/sys/sys/mbuf.h A> ============================================================================== A> --- head/sys/sys/mbuf.h Sat Aug 24 19:51:18 2013 (r254804) A> +++ head/sys/sys/mbuf.h Sat Aug 24 19:58:36 2013 (r254805) A> @@ -67,8 +67,10 @@ A> * type: A> * A> * mtod(m, t) -- Convert mbuf pointer to data pointer of correct type. A> + * mtodo(m, o) -- Same as above but with offset 'o' into data. A> */ A> #define mtod(m, t) ((t)((m)->m_data)) A> +#define mtodo(m, o) ((void *)(((m)->m_data) + (o)))
IMO, having a typecast would be better. Then mtodo() would be really same as mtod(), as stated in comment. -- Totus tuus, Glebius. _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
