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From: Achim Gratz <Stromeko AT nexgo DOT de>
Subject: Re: checking in >= 256k file fatally corrupts rcs file
Date: Wed, 09 Oct 2013 20:28:17 +0200
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References: <20131008102204 DOT GB9241 AT plunk DOT org> <525499E5 DOT 4090608 AT etr-usa DOT com>	<52555E65 DOT 1070000 AT cs DOT utoronto DOT ca>
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Ryan Johnson writes:
> So in other words, a misguided performance optimization [1] that
> almost certainly has little measurable impact on performance [2] has
> introduced a silent data corruption bug (or tickled a latent one
> somewhere else). Lovely.

It is not the performance optimization that isn't working, but the code
path through plain stdio while doing a diff that was probably never
exercised (the tests all pass on Cygwin).  Try RCS_MEM_LIMIT=0 to force
stdio.  The error does not occur on Linux and it doesn't seem to be
known to the devs.


Regards,
Achim.
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