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bug#2790: emacs 22.1.1 cannot open 5GB file on 64GB 64-bit GNU/Linux box


From: Andreas Schwab
Subject: bug#2790: emacs 22.1.1 cannot open 5GB file on 64GB 64-bit GNU/Linux box
Date: Sun, 29 Mar 2009 22:44:01 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.91 (gnu/linux)

Stefan Monnier <address@hidden> writes:

> In that case I'd rather do the check more directly, e.g.:
>
>     (((EMACS_INT)st.st_size)*4)/4 == st.st_size

That will reintroduce the buggy reliance on undefined integer overflow.

Andreas.

-- 
Andreas Schwab, address@hidden
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