Tim Prince writes: > Andrew Haley wrote: > > > Well, if this data structure is shared with FORTRAN you'll have to do > > something similar on the FORTRAN side. It'll be a different type: > > INTEGER*8 or somesuch. I'm not a FORTRAN programmer. > > > > But yes, long will work on all gcc targets I'm aware of. > > All maintained Fortran compilers, including gfortran, support c_ptr > data type. You can't very well port intentionally non-portable > stuff to a different architecture unless you correct such > anachronisms. Hehe. As far as I'm concerned, FORTRAN 77 is dangerously harmful modernity. :-) To Mitja: Change the type on the C side of the interface to intptr_t. Change the type on the FORTRAN side of the interface to c_ptr. Then you'll have a program that is portable to 32-bit and 64-bit systems. Thanks, Andrew.
