RE: Am I checking for undef in the wrong way?

"Jan Dubois" ([email protected]) writes:
> This can happen with other magical SVs too.  You must call SvGETMAGIC()
> before you can trust the SVf_?OK flags.  SvIV() will do this as a side
> effect.
 
Thus, in any place where I receive a value of which I don't know the
origin, I should call SvGETMAGIC first. I could then just as well 
have

  BOOL sv_isdefined(SV *sv) {
     SvGETMAGIC(sv);
     return SvOK(sv);
  }

Or would this lead in my new problems?

Thanks a lot for your quick answer!


-- 
Erland Sommarskog, Stockholm, [email protected]