Re: [Rd] time_t handling in R

From: Thomas Lumley <tlumley_at_u.washington.edu>
Date: Wed 27 Sep 2006 - 14:24:42 GMT

On Wed, 27 Sep 2006, Tom McCallum wrote:

> Hello all,
>
> I am converting some C code into a package for R and wondered what the
> proper way of handling time_t types from C in R was. time_t is a typedef
> for long, but R seems to only deal in Integers or Reals, so what is the
> proper way of handling time in an R to C conversion ( or visa versa )?
>

time_t is not portably a typedef for long, or even for an integer type (according to the C standard). If it is an integer type on your system then you can pass it as a vector of integer (and on many systems long and int are the same so one integer will suffice)

         -thomas



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