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Re: bug in pageinspect contrib modul

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: bug in pageinspect contrib modul
Date: 2008-10-23 09:57:27
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
Zdenek Kotala wrote:
> The following code is in btreefuncs.c function GetBTPageStatistics:
> stat->max_avail = BLCKSZ - (BLCKSZ - phdr->pd_special + 
> SizeOfPageHeaderData);
> I think it should be:
> stat->max_avail = BLCKSZ - (phdr->pd_special + SizeOfPageHeaderData);

Umm, I don't think so. pd_special is the offset to the start of the 
special area, so (BLCKSZ - pd_special) is the size of the special area.

However, that max_avail field actually looks like dead code, anyway.

   Heikki Linnakangas

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