Carlos, the code that you showed can be completely written in Julia. It would be helpful if you could give us more insight what you want to achieve. Is there a specific API that you want to wrap? You said that the API returns a double pointer but the length of the memory is not know (if I get that right) How can one use this pointer if the length is unknown?
Am Sonntag, 9. Februar 2014 12:46:24 UTC+1 schrieb Carlos Becker: > > I think I finally made it work, close to what I wanted. > > This could be good for future reference for anyone trying to do something > similar. > The code is at https://gist.github.com/anonymous/8897943. > > I have two questions about it: > 1) calling jl_gc_disable() and jl_gc_enable() is ok in that context? > (see link above) > 2) I still don't know how to avoid passing a pointer to the module I > want to get the type from to the C call. > > Thanks. > > > El domingo, 9 de febrero de 2014 00:40:33 UTC+1, Carlos Becker escribió: >> >> Hi Steven, >> >> I tried that before, I know it is possible, but if the size is unknown to >> julia, it must be returned as another variable, which makes >> coding more difficult if many of such return arrays are needed. >> >> That is why I think it would be interesting to see the julia-api side of >> it, to see if this can be avoided. >> (I prefer to write a bit more of C code but make the ccall clearer in >> julia) >> >> About my previous question, I am still struggling to create a custom type >> with julia's C API and fill it in, to pass it back then. >> Has anyone done this in such scenario before? I wonder if the necessary >> symbols are already exported for 3rd party use. >> >> Cheers. >> >
