I think that's likely to be right for all platforms where Racket runs, but we should define it in one place.
Should we add `_size' to `ffi/unsafe', risking collisions with existing code? Or add `ffi/size' (or `ffi/size_t')? At Fri, 8 Feb 2013 20:45:07 +0100, Tobias Hammer wrote: > This should work: > > _uintptr = size_t > _intptr = ssize_t > > Tobias > > > On Fri, 08 Feb 2013 20:40:43 +0100, Tony Garnock-Jones <to...@ccs.neu.edu> > wrote: > > > Hi all, > > > > When using Racket's FFI, is there a standard C numeric type > > corresponding to size_t? If not, should there be? Many C APIs expose > > functions along the lines of > > > > ... myfunc(..., void *buf, size_t buflen, ...); > > > > and since size_t varies between 32- and 64-bit platforms, I'm unsure > > what to supply there. > > > > I note that in collects we have > > > > ./db/private/generic/socket.rkt: (define _size_t _int) > > ./mred/private/wx/cocoa/image.rkt: (define _size_t _long) > > ./racket/draw/unsafe/jpeg.rkt: (define _size_t _intptr) > > > > ... of which the last one looks most likely to work properly. > > > > Cheers, > > Tony > > ____________________ > > Racket Users list: > > http://lists.racket-lang.org/users > > > -- > --------------------------------------------------------- > Tobias Hammer > DLR / Institute of Robotics and Mechatronics > Muenchner Str. 20, D-82234 Wessling > Tel.: 08153/28-1487 > Mail: tobias.ham...@dlr.de > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
