Path: utzoo!attcan!uunet!decwrl!apple!stevec
From: stevec@Apple.COM (Steve Christensen)
Newsgroups: comp.sys.mac.programmer
Subject: Re: FSRead() limit on number of bytes
Message-ID: <9719@goofy.Apple.COM>
Date: 13 Aug 90 16:36:51 GMT
References: <1335@anaxagoras.ils.nwu.edu>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 28

In article <1335@anaxagoras.ils.nwu.edu> sandell@ils.nwu.edu (Greg Sandell) writes:
>Using FSRead() I find that I can read only a limited number of
>bytes at a time.  In the code below byteCount can be as large
>as 1500 but when I use a value of 2000 the program dies a strange
>death:  the disk light stays continuously lit (non-blinking)
>and the disk whirs forever until I reboot.
>
>byteCount = 1000L;
>FSRead(fRefNum, &byteCount, (char *)data);
>
>Has anybody run into this problem?  Has it been documented?
>There is no mention of the limit in Mac Revealed or Inside Mac.

I have been known to read a meg or more out of a file in one shot.  Have you
checked to make sure your buffer can hold that many bytes?  Just a guess...

steve

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  Steve Christensen             Internet:   stevec@goofy.apple.com
  Apple Computer, Inc.          AppleLink:  STEVEC
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