From: Sylvain Joyeux Date: 2008-11-04T05:24:02+09:00 Subject: Re: [ANN] FFI 0.1.1 (Foreign Function Interface) for Ruby 1.8.6/7 and 1.9 On Tue, Nov 04, 2008 at 04:54:35AM +0900, Charles Oliver Nutter wrote: > Charles Oliver Nutter wrote: >> Charles Oliver Nutter wrote: >>> We (JRuby and Rubinius contributors) designed in the ability to >>> specify calling convention for a given library bound through FFI. >>> Largely this was needed to support Win32's stdcall, but if Linux/PPC >>> has a different convention and libffi supports it, then FFi will too >>> (though we may have to add it to the list of accepted conventions). >>> >>> I'll check on the syntax we're supporting and get back to ya. >> >> In the body of the module you're binding: >> >> ffi_convention :stdcall # :default is for normal C convention >> >> We could add whatever convention Linux/PPC needs. > > Or, duh, have FFI use the appropriate default convention on the target > platform. Either way, it should be simple to deal with. Thanks Charlie, but I have already my own library which does more than Ruby-FFI (typelib.sf.net and typelib.sf.net/html/ruby) so I'll probably be using libffi directly. Sylvain