Le 4 avr. 2010 à 19:50, Jens Alfke a écrit :
> You're saying that if I have a FSRef to a file, then the file is moved, the
> FSRef will still reference the moved file and not the location where it used
> to be?
>
> That's surprising to me, because FSRefs were created as a replacement for
> FSSpecs, which do not have that property (they were a struct {volume ID, dir
> ID, filename}.)
>
> Anyway, note that a file inode ID is more fragile than an alias/bookmark,
> because it won't survive the common practice of replacing an old copy of a
> file with a new one ("safe save") unless the code doing the replace is
> careful to propagate metadata to the new file.
FSExchangeObjects and exchangedata(2) do not exchange the file ID.
The new file will have the same ID than the old one, and so, the FSRef will
point on the new file automatically.
-- Jean-Daniel
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