[Vm-dev] FFI: Vararg function how to tell callee how many
arguments i passed?
leves at elte.hu
Sun Sep 26 23:12:49 UTC 2010
On Mon, 27 Sep 2010, Igor Stasenko wrote:
> Suppose i want to call printf() using FFI.
> But it is a variable argument function. What should do to let it know
> how many arguments i passed?
I think you don't tell it, it guesses the number of arguments from the
first argument. If you pass invalid arguments, something bad will happen.
> Best regards,
> Igor Stasenko AKA sig.
More information about the Vm-dev