Path: utzoo!attcan!uunet!amdahl!ames!killer!pollux!ti-csl!m2!holland
From: holland@m2.csc.ti.com (Fred Hollander)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Missing megabytes
Message-ID: <71908@ti-csl.csc.ti.com>
Date: 10 Mar 89 19:44:33 GMT
References: <457@sys.uea.ac.uk> <7550@polya.Stanford.EDU> <27058@apple.Apple.COM>
Sender: news@ti-csl.csc.ti.com
Reply-To: holland@m2.UUCP (Fred Hollander)
Organization: TI Computer Science Center, Dallas
Lines: 23

In article <27058@apple.Apple.COM> keith@Apple.COM (Keith Rollin) writes:
>In article <7550@polya.Stanford.EDU> kaufman@polya.Stanford.EDU (Marc T. Kaufman) writes:
>>In article <457@sys.uea.ac.uk> jrk@s1.UUCP (Richard Kennaway) writes:
>>>I am writing a program which, among other things, makes a directory
>>>listing of a volume.  There is a strange discrepancy in the
>>>information it collects.
>>
>>>When it scans through all the files and folders with PBHGetCatInfo
>>>in the usual way, it always finds exactly the right number of files and
>>>folders, but the sum of their sizes is sometimes less than the
>>>calculated number of used blocks.

This is just a guess.  I'm certainly no expert in this area, but is it
possible that the resource fork needs to start at a new block?  If so,
wouldn't you need to round up 2 blocks for files with resource forks,
and 1 block for data only?

Fred Hollander
Computer Science Center
Texas Instruments, Inc.
hollander@ti.com

The above statements are my own and not representative of Texas Instruments.