Le mercredi 08 juillet 2015 à 03:28 -0700, Panagiotis Mamatsis a écrit
:
> Hello to everyone,
> i am a n00b in Julia language and i am trying to understand the
> way to call code written in C via shared libraries. I have started
> with a 'small scale' case into which i am trying to call a function
> which returns void but accepts a pointer to an Integer. When i
> perform the call from a Julia script the number returned back is "0"
> and not the one i am expecting...when i am calling the C function the
> argument i am supplying is Ptr{Cint}. Can somebody please explain
> what i am missing ?
Showing the code you tried would be helpful.
Anyway, this precise case is documented. Let us know whether that's
enough to fix your problem. For 0.3:
http://docs.julialang.org/en/release-0.3/manual/calling-c-and-fortran
-code/#passing-pointers-for-modifying-inputs
For 0.4 (a bit different):
http://docs.julialang.org/en/latest/manual/calling-c-and-fortran
-code/#passing-pointers-for-modifying-inputs
Regards
