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Message-ID:	<001301c104bf$f931a710$6601a8c0@pp200>
From:	"Gary Filipski" <gfilipski AT satx DOT rr DOT com>
To:	"John Wiersba" <John DOT Wiersba AT medstat DOT com>
Cc:	"cygwin mailing list" <cygwin AT cygwin DOT com>
References:	<03F4742D8225D21191EF00805FE62B9908E23F03 AT aa-msg-01 DOT medstat DOT com>
Subject:	Re: bug in rcs 5.7
Date:	Wed, 4 Jul 2001 14:31:50 -0500
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John,

Congrats on the bug fix... you beat me to it... although after having been
away from *NIX for 5 years I can't say it was something that I was looking
forward to rooting out...

I tested it out on both of the files (one very large, one very small) that I
was having trouble with and it worked fine...

I see you submitted the patch to Purdue.  We may see a 5.7a in a while.

Thanks for the good work, from myself and, I'm sure, all the other cygwin
RCS users...

Gary


----- Original Message -----
From: "John Wiersba" <John DOT Wiersba AT medstat DOT com>
To: <rcs-bugs AT cs DOT purdue DOT edu>
Cc: "'cygwin'" <cygwin AT sourceware DOT cygnus DOT com>;
<michael AT weiser DOT saale-net DOT de>; "'Andrew Markebo'"
<flognat AT flognat DOT myip DOT org>; "'Gary'" <gfilipski AT satx DOT rr DOT com>; "John Wiersba"
<John DOT Wiersba AT medstat DOT com>
Sent: Tuesday, July 03, 2001 11:32 PM
Subject: bug in rcs 5.7


> Hi!  I believe I've found in bug in rcs 5.7 running under the latest
cygwin.
> The fix is to src/ci.c on line 725.
>    old:        if (lseek(wfd, wfd_off, SEEK_CUR) == -1)
>    new:        if (lseek(wfd, wfd_off, SEEK_SET) == -1)
>
> Thanks to Gary L. Filipski, gfilipski AT satx DOT rr DOT com for a good description
of
> how to create a reproducible test case.
>
> I built my rcs from clean sources modified as specified in the cygwin
> documentation:
> After ./configure:
>   - in src/conf.sh line 1039 change has_mmap=1 to has_mmap=0
>   - in src/Makefile change line 90 to look like x = .exe
> Then, make; make install
>
> The bug can be reproduced with the following script running under the
latest
> cygwin:
>
> #!/bin/bash
> rm -f asdf asdf,v
> cat <<EOF >asdf
> 01 fffffffffffffffffffffffffffffffffffffff end
> 02 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 03 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 04 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 05 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 06 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 07 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 08 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 09 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 10 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 11 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 12 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 13 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 14 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 15 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 16 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 17 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 18 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 19 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 20 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 21 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 22 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 23 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 24 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 25 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 26 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 27 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 28 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 29 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 30 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 31 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 32 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 33 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 34 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 35 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 36 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 37 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> EOF
> ci -t- asdf >/dev/null 2>&1
> co -l  asdf >/dev/null 2>&1
> tail +2 asdf >fdsa
> cp -f fdsa asdf
> rm -f fdsa
> ci -mx -u asdf
> ls -l
> # END OF SCRIPT
>
>
> which gives the following output:
>
> asdf,v  <--  asdf
> new revision: 1.2; previous revision: 1.1
> done
> total 8
> -rwxr-xr-x    1 jrw      JRW          2883 Jul  4 00:28 RCS_BUG
> -r--r--r--    1 jrw      JRW          2412 Jul  4 00:28 asdf
> -r--r--r--    1 jrw      JRW          1349 Jul  4 00:28 asdf,v    <=
> truncated size!
>
>
> The bug is that asdf,v has a bad copy of the second revision, truncated
> after 1024 bytes:
>
> ...
> 1.2
> log
> @x
> @
> text
> @02 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 03 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 04 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 05 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 06 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 07 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 08 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 09 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 10 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 11 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 12 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 13 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 14 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 15 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 16 fasfasdffffffffffffffffffffffffffffffffffffffffffffffffffff end
> 17 fasfasdfffffffff@                                               <=
> truncated here
> ...
>
>
> -- John Wiersba
>
> P.S. Thanks for your free (GNU) rcs!!!!
>
>
> --
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