> On Oct 18, 2014, at 16:40 , Roland King <[email protected]> wrote:
> 
> 
>> On 19 Oct 2014, at 5:23 am, Jean-Daniel Dupas <[email protected]> wrote:
>> 
>> AFAIK, variadic C functions are not (yet) callable from swift code.
>> 
>> 
> 
> They aren’t - I didn’t remember fnctl() was varidadic. I shall quote an Apple 
> engineer then ..
> 
> "This is not possible in Swift. C variadics are inherently unsafe, and not 
> compatible with Swift variadics. You're encouraged to provide alternate 
> versions of your collection-y variadics that take an array. Your format-y 
> variadics (like this one?) can use Swift's String's variadic initializers 
> ahead of time."
> 
> So you get to go wrap fcntl() in something else it seems. 

So, how would I do that, exactly? I suppose I have to pass Objective-C 
collection types to a method (which could be a straight C function) from a 
Swift call? That is, can a Swift variadic call translate into a C function call 
that accepts Obj-C collections?


-- 
Rick Mann
[email protected]



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