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/* $Id: RTLocaleQueryNormalizedBaseLocaleName-win.cpp $ */
/** @file
* IPRT - RTLocaleQueryNormalizedBaseLocaleName, ring-3, Windows.
*/
/*
* Copyright (C) 2017-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/win/windows.h>
#include <iprt/locale.h>
#include "internal/iprt.h"
#include <iprt/ctype.h>
#include <iprt/errcore.h>
#include <iprt/string.h>
RTDECL(int) RTLocaleQueryNormalizedBaseLocaleName(char *pszName, size_t cbName)
{
/*
* Note! This part is duplicate of r3/generic/RTLocaleQueryNormalizedBaseLocaleName-r3-generic.cpp!
*/
char szLocale[_1K];
int rc = RTLocaleQueryLocaleName(szLocale, sizeof(szLocale));
if (RT_SUCCESS(rc))
{
/*
* May return some complicated "LC_XXX=yyy;LC.." sequence if
* partially set (like IPRT does). Try get xx_YY sequence first
* because 'C' or 'POSIX' may be LC_xxx variants that haven't been
* set yet.
*
* ASSUMES complicated locale mangling is done in a certain way...
*/
const char *pszLocale = strchr(szLocale, '=');
if (!pszLocale)
pszLocale = szLocale;
else
pszLocale++;
bool fSeenC = false;
bool fSeenPOSIX = false;
do
{
const char *pszEnd = strchr(pszLocale, ';');
if ( RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2(pszLocale)
&& ( pszLocale[5] == '\0'
|| RT_C_IS_PUNCT(pszLocale[5])) )
return RTStrCopyEx(pszName, cbName, pszLocale, 5);
if ( pszLocale[0] == 'C'
&& ( pszLocale[1] == '\0'
|| RT_C_IS_PUNCT(pszLocale[1])) )
fSeenC = true;
else if ( strncmp(pszLocale, "POSIX", 5) == 0
&& ( pszLocale[5] == '\0'
|| RT_C_IS_PUNCT(pszLocale[5])) )
fSeenPOSIX = true;
/* advance */
pszLocale = pszEnd ? strchr(pszEnd + 1, '=') : NULL;
} while (pszLocale++);
if (fSeenC || fSeenPOSIX)
return RTStrCopy(pszName, cbName, "C"); /* C and POSIX should be identical IIRC, so keep it simple. */
rc = VERR_NOT_AVAILABLE;
}
/*
* Fallback.
*/
if ( GetLocaleInfoA(GetUserDefaultLCID(), LOCALE_SISO639LANGNAME, szLocale, sizeof(szLocale)) == 3
&& GetLocaleInfoA(GetUserDefaultLCID(), LOCALE_SISO3166CTRYNAME, &szLocale[3], sizeof(szLocale) - 4) == 3)
{
szLocale[2] = '_';
Assert(RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2(szLocale));
return RTStrCopy(pszName, cbName, szLocale);
}
return rc;
}
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