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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.programmer
Subject: Re: FSRead() limit on number of bytes
Message-ID: <1990Aug13.135430.28189@eng.umd.edu>
Date: 13 Aug 90 13:54:30 GMT
References: <1335@anaxagoras.ils.nwu.edu>
Sender: news@eng.umd.edu (The News System)
Organization: College of Engineering, Maryversity of Uniland, College Park
Lines: 15

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);
>
I do disk reads of well over 1000 bytes routinely (in fact, they are often
0x1000 bytes).  Are you sure the 'data' buffer is big enough?
--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
][, ][+, ///, ///+, //e, //c, IIGS, //c+ --- Any questions?