Unix equivalent of a variant??
freebsd-questions-local at be-well.ilk.org
Tue Feb 1 11:40:00 PST 2005
Charles Swiger <cswiger at mac.com> writes:
> On Feb 1, 2005, at 11:43 AM, Jonathon McKitrick wrote:
> > I need the equivalent of a variant, however. A hold-everything
> > variable
> > that can be any type in C/C++. Is there something already out there
> > I can
> > use or should I just roll my own?
> Your question probably belongs on comp.lang.c, but the cannonical way
> of handling "data of any type" is a memory buffer and a (void *).
> Watch out for host data alignment restrictions.
Or depending on the intent, a union, which will get the compiler to
take care of alignment.
Generally, though, avoiding typechecking is a hack best avoided...
Lowell Gilbert, embedded/networking software engineer, Boston area
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