[pdftex] How to find the current pdf page number?

[Tigran Aivazian]

Hello,

I use pdfpagelabels with roman page numbers in the beginning and then 
switching to arabic for the rest of the document. Now, at the end of the 
document I want to insert empty pages with the heading "For Notes" until 
the total (physical, i.e. including both roman and arabic ranges) number 
of pages is divisible by 16 (or some other signature size).

So, I need to find out the current physical page number. I checked pdftex 
manual but couldn't see any such primitive. And TeX \page gives me logical 
page number, not physical.

On the other hand, if LaTeX kept separate counters for roman page numbers 
and arabic page numbers then I could just add these two and have a 
solution that worked for both dvi and pdf case (but I only care about pdf 
case so I don't mind if the solution is pdftex-specific).

I guess I could save the value of \page in my own counter before switching 
to arabic and then add it at the end to the current \page... But maybe 
there is a ready \pdf.... primitive that lets me refer to the _current_ 
physical pdf page number?

Kind regards
Tigran