Re: Windows locales and tests portability

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Windows locales and tests portability
Date: 2026-02-06 23:39:01
Message-ID: CA+hUKGK8Mru903e+ETdi8-cuoMLDFcggyE4ZzSuJtu9oVaUZmg@mail.gmail.com
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On Fri, Feb 6, 2026 at 8:03 PM Andrey Borodin <x4mmm(at)yandex-team(dot)ru> wrote:
> Windows MSVC strtod(): seems to ignore environment variables entirely and use the system's regional settings (Russian locale ,)

Hmm, right, we probably do setlocale(..., ""), which gets you an
"implementation-defined native environment", and Windows implements
that as you say. I suppose if we wanted it to work like Unix, we
could call getenv("LC_XXX") and feed the results to setlocale()
ourselves... maybe a terrible idea, IDK.

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