Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!batcomputer!cornell!vax5.cit.cornell.edu!b39y
From: b39y@vax5.cit.cornell.edu
Newsgroups: comp.databases
Subject: Re: Clipper and bitwise operators
Message-ID: <1991Jun14.091426.5479@vax5.cit.cornell.edu>
Date: 14 Jun 91 09:14:26 EDT
References: <1991Jun13.142852.5436@vax5.cit.cornell.edu> <31346@hydra.gatech.EDU>
Distribution: comp
Organization: CIT, Cornell University
Lines: 27

In article <31346@hydra.gatech.EDU>,
jgb@prism.gatech.EDU (James G. Baker) writes: 
> In article <1991Jun13.142852.5436@vax5.cit.cornell.edu> b39y@vax5.cit.cornell.edu writes:
>>I've got a question for Clipper users.  I'm running in Clipper 5.01, and want
>>to use a bitmask-style integer for checking access to parts of my code.  
> 
> I assume they did not want bit-wise operators since having a binary byte 
> (usually less than 32) in a .DBF can mess things up (like a stray EOF, etc).
> 
> You could interface some C functions to do it, but (if it were me) I would
> just use a character mask instead of a bit-mask.  It might take eight
> bytes instead of 1, but it sure makes debugging easier and memory is 
> cheap.
> 
> Good luck.
> 
> 
> -J Baker

James -

Thanks; I probably will take the character route for this situation, or some
similar thing.  I was also told that some third-party libraries have these
operations available, so if I *need* them in the future, it's nice to know
where to get them.

Dave