Re: pg_resetwal: Fix wrong directory in log output

From: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
To: li(dot)evan(dot)chao(at)gmail(dot)com
Cc: zhang_tian_chen(at)163(dot)com, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: pg_resetwal: Fix wrong directory in log output
Date: 2026-02-03 02:25:41
Message-ID: 20260203.112541.1322541369423234463.horikyota.ntt@gmail.com
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Hello.

At Tue, 3 Feb 2026 10:13:53 +0800, Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com> wrote in
> The patch is straightforward and looks correct.

Indeed, it does.

However, the scoping of the define symbols in this file seems somewhat
confused.

For example:

> static void
> KillExistingArchiveStatus(void)
> {
> #define ARCHSTATDIR XLOGDIR "/archive_status"

This define was presumably intended to be used only within the function,
but since it is a macro, it can also be used from other functions, which
appears to have contributed to this mistake.

It would be better to clearly distinguish between file-scoped symbols
and function-scoped ones. For function-local constants like this,
using a 'static const char[] instead of a macro would make the
intended scope explicit and help prevent similar issues.

regards.

--
Kyotaro Horiguchi
NTT Open Source Software Center

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