Re: negating unsigned

chip@atlantic.net
Thu, 22 Jan 1998 08:31:04 -0500 (EST)

According to David Howells:
> > Will "~phys_addr + 1" be compiler-safer than "-phys_addr" above?

Nope.

> What effect does negating an unsigned number have?

Just what's quoted: -u means (~u) + 1.

-- 
Chip Salzenberg              - a.k.a. -              <chip@pobox.com>
                 "We can shower it with neutrons."
             "Or we can do the Neutron Dance!"  // MST3K