yes, FFI does not handle ** arguments. I always replace it by ulong instead (it is the same, after all)
Esteban On 09 Jul 2014, at 17:17, Clément Bera <bera.clem...@gmail.com> wrote: > Hello, > > This bug happen both with the old and new compiler. > > The error tells you that the number of arguments of your smalltalk method > does not match the number of argument of the C method you want to call (but > it seemsthe number of arguments is correct). > > This works fine: > > <apicall: int 'gst_init_check' (int char* int) module: > 'libgstreamer1.0-0.so'> > ^self externalCallFailed > > This works fine too: > > <apicall: int 'gst_init_check' (int* char* int*) module: > 'libgstreamer1.0-0.so'> > ^self externalCallFailed > > So it seems the bug comes from the parser missparsing ** . I am not familiar > with C enough to help, I don't know what means ** (Is it a pointer pointing > to a pointer pointing to the actual data ?). > > Perhaps someone who knows how to use FFI can give a better answer. > > Esteban ? Guille ? > > > 2014-07-09 16:39 GMT+02:00 Annick Fron <i...@afceurope.com>: > Hi, > > > > I am trying to use FFI on linux with pharo 3 using version 31 of FFI. > > I have written the following method : > <apicall: int 'gst_init_check' (int* char** int*) module: > 'libgstreamer1.0-0.so'> > > ^self externalCallFailed > > > ==== > > but when accepting it I get a syntax error « matching number of arguments » > Annick Fron >
