[NTG-pdftex] missing pages

Hans Hagen pragma@wxs.nl
Tue, 06 Jul 2004 15:23:48 +0200


Heiko Oberdiek wrote:

>On Mon, Jul 05, 2004 at 06:12:27PM +0200, Hans Hagen wrote:
>
>  
>
>>ah, i thought that -2 would also be set if pdftex had problems with the pdf 
>>file (xpdf lib error) 
>>    
>>
>
>Currently such errors are fatal errors. I have not looked into
>the sources if recovery from such errors is possible. If yes,
>then \pdflastximagepages is a bad choice for signaling such
>errors, because only a page can be faulty, the number of
>pages can be still correct.
>  
>
indeed

>  Perhaps we need a kind of "errno" variable for signaling
>errors. Then \pdflastximagepages contains the correct number or
>-1 for "unknown". "errno" contains "0" in case of success of
>the last operation or a error number (file not found,
>corrupted pdf file, invalid page, ...)
>  
>
you're right, something \pdflastximageerror sounds ok to me 

Hans 

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