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From: brady@swift.cs.tcd.ie
Newsgroups: comp.sys.mac.programmer
Subject: Summary of sfPutFile - volume information for hooks, etc.
Message-ID: <7475.273e89c2@swift.cs.tcd.ie>
Date: 12 Nov 90 11:38:42 GMT
Organization: Computer Science Department, Trinity College Dublin
Lines: 13

Net people, thanks for your infput on my problem about picking up volume
information in the hook routines of sfPutFile.
I guessed the question was a bit stupid, but in fact the documentation is
extremely bad.
In summary, the negative of the volume number turns up in sfSaveDisk. This
is _never_ a folder number. Also, the Directory ID (ever used one?) turns up
in CurDirStore. I used these as input to PBGetCatInfo to get the full
story on the files.
Incidentally, in System 7, there is a new set of routines for dealing with
standard file opening. The old ones still work, but if you have hook routines
they will work in a slightly restricted way.
Mike Brady
brady@cs.tcd.ie