Function GetCurrentLocale

src/os/windows/win32.cpp:401–414

Determine the current user's locale. */

/** Determine the current user's locale. */
std::optional<std::string> GetCurrentLocale(const char *)
{
	const LANGID userUiLang = GetUserDefaultUILanguage();
	const LCID userUiLocale = MAKELCID(userUiLang, SORT_DEFAULT);

	char lang[9], country[9];
	if (GetLocaleInfoA(userUiLocale, LOCALE_SISO639LANGNAME, lang, static_cast<int>(std::size(lang))) == 0 ||
	    GetLocaleInfoA(userUiLocale, LOCALE_SISO3166CTRYNAME, country, static_cast<int>(std::size(country))) == 0) {
		/* Unable to retrieve the locale. */
		return std::nullopt;
	}
	/* Format it as 'en_us'. */
	return fmt::format("{}_{}", std::string_view{lang, 2}, std::string_view{country, 2});
}


static WCHAR _cur_iso_locale[16] = L"";