Nick Ing-Simmons wrote: >Steve Hay <[EMAIL PROTECTED]> writes: > > >>Why is it that when I create an SV and assign magic to it in an XSUB, >>and then return the magical SV to Perl code, I find that the scalar in >>the Perl code no longer seems to have magic? >> >> > >If you print something the FooFree() you will see what is happening. >You return an SV. >SV gets copied to $a - magic isn't copied >Your SV gets free-d >$a is passed to your function. > I think "magic isn't copied" is the main thing there. I hadn't realised that. I think I'd also probably lost sight of the fact that the SV gets copied when returning from a sub. I was confusing what happens with what happens when an SV is passed _to_ a sub.
It all makes much more sense now :) - Steve ------------------------------------------------ Radan Computational Ltd. The information contained in this message and any files transmitted with it are confidential and intended for the addressee(s) only. If you have received this message in error or there are any problems, please notify the sender immediately. The unauthorized use, disclosure, copying or alteration of this message is strictly forbidden. Note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of Radan Computational Ltd. The recipient(s) of this message should check it and any attached files for viruses: Radan Computational will accept no liability for any damage caused by any virus transmitted by this email.
