Re: *oldlenp comes back with wrong value in helper sysctl_createv() function

[mlelstv%serpens.de@localhost (Michael van Elst)]

imil%home.imil.net@localhost (Emile 'iMil' Heitor) writes:

>Except it does not, the first time it calls back the helper function,
>*oldlenp value is 1024 no matter what I set it to before.
>But if I return once again (either with ENOMEM or 0, doesn't matter),
>the helper function will now be called with the right *oldlenp value.

The helper function produces the value that is returned in *oldlenp.

If you happen to use CTL_DESCRIBE (e.g. running sysctl -d), it's
not your helper function being called but the sysctl_describe helper
that returns a value of 1024.

Maybe you can show your helper routine and how you call sysctl ?