Re: Win32: Minimising desktop heap usage

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Dave Page <dpage(at)postgresql(dot)org>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: Win32: Minimising desktop heap usage
Date: 2007-10-23 15:54:16
Message-ID: 19055.1193154856@sss.pgh.pa.us
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Dave Page <dpage(at)postgresql(dot)org> writes:
> Tom Lane wrote:
>> So don't initialize a local variable unless
>> you're giving it an actually meaningful value.

> The downside is that we see a useless warning that, if sufficiently
> multiplied, might make it hard to see something we are interested in.

[ looks again... ] Actually, I think you just proved my point for me.
The ZeroMemory call should go away, no? (Does this mean that the
Windows builds fail to detect dereferencing NULL? Bad if so.)

>> Hmm, is there any functional downside to this? I suppose
>> SHGetSpecialFolderPath does some things that getenv does not...

> A good percentage of the special folder paths you might query with
> SHGetSpecialFolderPath() are not actually in the environment. APPDATA
> certainly is on XP, 2K3 and Vista though, and I've found MS KB articles
> referring to it being on 2K as well.

OK, in that case seems no problem.

regards, tom lane

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