Alastair,

Am 10.01.2010 um 21:34 schrieb Alastair Houghton:

>> In my app I have to differentiate between USB storage devices formatted with 
>> a MSDOS-FAT16 or with MSDOS-FAT32 file system.
> 
> Because?  Remember that the flavour of FAT in use is defined *entirely* by 
> the number of clusters on the volume... (i.e. it isn't something you can 
> straightforwardly choose).

Right, but when saving an embroidery file from my NSDocument-based app to a 
FAT32-formatted volume I want to present a warning dialog to the user as the 
stick / card may not be recognized by the embroidery machine.

> According to the sources for the FAT filesystem driver (which you can get 
> from <http://opensource.apple.com>), you can look at f_fssubtype in the 
> statfs structure, which you can retrieve using statfs() or similar.  See man 
> 2 statfs.
> 
> This isn't exactly a Cocoa question, BTW...  you should probably have asked 
> on darwin-dev or one of the other lists.

Thanks for the hint, I will definitely look into statfs and its structure. When 
posting the question I wasn't aware that it's not related to Cocoa: I assumed 
that I may have missed the right framework / class / method ... Sorry!

Matthias _______________________________________________

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