Problem building BAT-Array from XBAT-Blocks

[po...@schmoecker.de]

I created a quite simple but large EXCEL-File with EXCEL2000 with a size of about 
35MB.  This file uses 4 XBAT-Blocks.
When building the BAT-array from these XBAT-blocks I encountered a problem ( which 
arose the moment more then 1 XBAT-Blocks was needed ).
It seems as if not all 128 integers in the block were holding indices of BAT-blocks but 
only the first 127 of them.  The last integer ( at offset +1FC ) pointed to the next XBAT-
Block.   The same was true for the other XBAT-blocks as well.
Thus the last integers of all XBAT-blocks formed a chain just like the one found in the 
BAT-Array with the last XBAT-Block having -2 as end-indicator while the other integers 
of all these blocks formed the extension of the BAT-Array.

Can anyone confirm the behavior mentionend above or is this an error on my side?

If the previous were true, then the XBAT-Blocks would not necessarily have to be 
located in sequence as described in the documentation here

http://jakarta.apache.org/poi/poifs/fileformat.html

and the BAT-Array is only extended by 127 of the 128 integers in each XBAT-block.



live long and prosper
Stefan Schmöcker


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