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From: tednolan AT bellsouth DOT net
To: cygwin AT cygwin DOT com
Subject: Re: Wow, just hit RCS bug
In-reply-to: <87bnw12nuu.fsf@Rainer.invalid>
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Comments: In-reply-to Achim Gratz <Stromeko AT nexgo DOT de>   message dated "Wed, 16 Apr 2014 19:19:53 +0200."
Date: Wed, 16 Apr 2014 13:05:58 -0400
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In message <87bnw12nuu DOT fsf AT Rainer DOT invalid>you write:
>tednolan AT bellsouth DOT net writes:
>> Just for the record, the suggested env var fix
>>
>> RCS_MEM_LIMIT=0
>>
>> to "force stdio" does not work for me, but the
>
>That was never suggested as a fix, but to show that the problem occurs
>with files much less than 256kiB size when forcing the code path through
>stdio (which is what the "0" setting does).  The RCS test suite passes
>on Cygwin since it never actively tests this code path.
>
>http://thread.gmane.org/gmane.os.cygwin/142346
>
>> RCS_MEM_LIMIT=10240
>>
>> to allow 10megs of diffs does..
>
>Which will fail once you happen upon a diff that gets that large.
>

Ah, OK -- I was just looking for a fix or workaround and didn't read
what the "=0" was supposed to do closely enough.

I can't see ever getting up to 10M of diffs, but still I consider
it an "existential" level bug for a version control system and think
the package should be removed.  It's almost as bad as if "ls -l foo"
unlinked "foo".

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