iso_fortran_env

[Steve Kargl]

On Tue, Aug 29, 2006 at 08:52:44AM -0700, Vivek Rao wrote:
> For Lahey/Fujitsu Fortran for Linux, the values of the
> constants in the ISO_FORTRAN_ENV module are shown
> below. I'd like to write an analogous module that I
> can use in gfortran, until the module is implemented
> in the compiler. What would the values be, for
> gfortran on Windows -- i386-pc-mingw32? Thanks.
>  
> module ISO_FORTRAN_ENV
> 
>   ! Nonintrinsic version for Lahey/Fujitsu Fortran for
> Linux.
>   ! See Subclause 13.8.2 of the Fortran 2003 standard.
> 
>   implicit NONE
>   public
> 
>   integer, parameter :: Character_Storage_Size = 8
>   integer, parameter :: Error_Unit = 0
>   integer, parameter :: File_Storage_Size = 8
>   integer, parameter :: Input_Unit = 5
>   integer, parameter :: IOSTAT_END = -1
>   integer, parameter :: IOSTAT_EOR = -2
>   integer, parameter :: Numeric_Storage_Size = 32
>   integer, parameter :: Output_Unit = 6
> 
> end module ISO_FORTRAN_ENV 

Everthing above matches gfortran with the possible exception of
File_Storage_Size and Numeric_Storage_Size.  I don't F2003
handy.  What do these values means?

-- 
Steve