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From gpc-owner@gnu.de  Thu Sep 15 18:26:11 2005
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From: Tom Schneider <toms@ncifcrf.gov>
Message-Id: <200509151625.j8FGPOeb022605@strawberry.ncifcrf.gov>
To: gpc@gnu.de
Subject: eof bug in GPC
Cc: bryantd@strawberry.ncifcrf.gov, huang.y.hy@gmail.com, needled@ncifcrf.gov
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Hi folks!

I reported a bug in GPC some months ago:

http://www.gnu-pascal.de/crystal/gpc/en/mail11285.html

Basically, GPC fails to report eof = true after a reset when a file is
empty.  In the Replies, Waldek Hebisch provided a patch:

http://www.gnu-pascal.de/crystal/gpc/en/mail11309.html

Recently someone in Hong Kong was working with my programs and the bug
was still there.  I think she has the most recent version of GPC, so
the patch apparently has not been implemented.

I had to make a rather horrible kludge to get around this.  Basically
I have a function, emptyfile, to replace eof.  If it counts less than
2 characters in a file, that file is deemed 'empty'.  In my cases this
will work because the relevant files have more than two characters if
they are not empty, but of course it will not work in general!

Does anyone know the status of this patch?  Will it be put into GPC? 
If not, why not?

Thanks!

Tom

  Dr. Thomas D. Schneider
  National Institutes of Health
  National Cancer Institute
  Center for Cancer Research Nanobiology Program
  Molecular Information Theory Group
  Frederick, Maryland  21702-1201
  toms@ncifcrf.gov
  permanent email: toms@alum.mit.edu (use only if first address fails)
  http://www.ccrnp.ncifcrf.gov/~toms/

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