Re: Bug in fd.c (FreeFile)

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От Claudio Natoli
Тема Re: Bug in fd.c (FreeFile)
Дата
Msg-id A02DEC4D1073D611BAE8525405FCCE2B028048@harris.memetrics.local
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Ответ на Bug in fd.c (FreeFile)  (Claudio Natoli <claudio.natoli@memetrics.com>)
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Nope. My bad. My head has an off by one error.

Drop the first part of the patch, but the second part could be retained.
Very minor.

Off to hide in shame,
Claudio

> -----Original Message-----
> From: Claudio Natoli [mailto:claudio.natoli@memetrics.com]
> Sent: Wednesday, 26 November 2003 12:34 PM
> To: pgsql-patches@postgresql.org
> Subject: [PATCHES] Bug in fd.c (FreeFile)
>
>
>
> I believe FreeFile has an "off by one" type error. Apart from possibly
> accessing past the end of the array, when combined with the
> while loop call
> from CleanupTempFiles, it contrives to fail to fclose a
> number of files [at
> a guess, floor((numAllocatedFiles-1)/2)] when
> CleanupTempFiles is called
> (unless I'm completely mistaken).
>
> Change 1: Begin search from "correct" [logical] final element of array
> Change 2: Minor speed-up to CleanupTempFiles (knowing that
> FreeFile iterates
> from the [logical]
> final element of the array)
>
> Apply to HEAD (bug also exists in 7.4 branch, possibly others...)
>
> Cheers,
> Claudio
>
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