| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
| Cc: | Peter Eisentraut <peter(at)eisentraut(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Remaining dependency on setlocale() |
| Date: | 2025-07-09 23:53:02 |
| Message-ID: | CA+hUKGLYcbnHBXhHk_OFwZ03LE+D=cAirm7TVN8fMhT9rgcTbA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Jul 10, 2025 at 10:52 AM Jeff Davis <pgsql(at)j-davis(dot)com> wrote:
> The first problem -- how to affect the encoding of strings returned by
> strerror() on windows -- may be solvable as well. It looks like
> LC_MESSAGES is not supported at all on windows, so the only thing to be
> concerned about is the encoding, which is affected by LC_CTYPE. But
> windows doesn't offer uselocale() or strerror_l(). The only way seems
> to be to call _configthreadlocale(_ENABLE_PER_THREAD_LOCALE) and then
> setlocale(LC_CTYPE, datctype) right before strerror(), and switch it
> back to "C" right afterward. Comments welcome.
FWIW there is an example of that in src/port/pg_localeconv_r.c.
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