VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/win/RTLocaleQueryNormalizedBaseLocaleName-win.cpp@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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1/* $Id: RTLocaleQueryNormalizedBaseLocaleName-win.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - RTLocaleQueryNormalizedBaseLocaleName, ring-3, Windows.
4 */
5
6/*
7 * Copyright (C) 2017-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37
38/*********************************************************************************************************************************
39* Header Files *
40*********************************************************************************************************************************/
41#include <iprt/win/windows.h>
42
43#include <iprt/locale.h>
44#include "internal/iprt.h"
45
46#include <iprt/ctype.h>
47#include <iprt/errcore.h>
48#include <iprt/string.h>
49
50
51RTDECL(int) RTLocaleQueryNormalizedBaseLocaleName(char *pszName, size_t cbName)
52{
53 /*
54 * Note! This part is duplicate of r3/generic/RTLocaleQueryNormalizedBaseLocaleName-r3-generic.cpp!
55 */
56 char szLocale[_1K];
57 int rc = RTLocaleQueryLocaleName(szLocale, sizeof(szLocale));
58 if (RT_SUCCESS(rc))
59 {
60 /*
61 * May return some complicated "LC_XXX=yyy;LC.." sequence if
62 * partially set (like IPRT does). Try get xx_YY sequence first
63 * because 'C' or 'POSIX' may be LC_xxx variants that haven't been
64 * set yet.
65 *
66 * ASSUMES complicated locale mangling is done in a certain way...
67 */
68 const char *pszLocale = strchr(szLocale, '=');
69 if (!pszLocale)
70 pszLocale = szLocale;
71 else
72 pszLocale++;
73 bool fSeenC = false;
74 bool fSeenPOSIX = false;
75 do
76 {
77 const char *pszEnd = strchr(pszLocale, ';');
78
79 if ( RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2(pszLocale)
80 && ( pszLocale[5] == '\0'
81 || RT_C_IS_PUNCT(pszLocale[5])) )
82 return RTStrCopyEx(pszName, cbName, pszLocale, 5);
83
84 if ( pszLocale[0] == 'C'
85 && ( pszLocale[1] == '\0'
86 || RT_C_IS_PUNCT(pszLocale[1])) )
87 fSeenC = true;
88 else if ( strncmp(pszLocale, "POSIX", 5) == 0
89 && ( pszLocale[5] == '\0'
90 || RT_C_IS_PUNCT(pszLocale[5])) )
91 fSeenPOSIX = true;
92
93 /* advance */
94 pszLocale = pszEnd ? strchr(pszEnd + 1, '=') : NULL;
95 } while (pszLocale++);
96
97 if (fSeenC || fSeenPOSIX)
98 return RTStrCopy(pszName, cbName, "C"); /* C and POSIX should be identical IIRC, so keep it simple. */
99
100 rc = VERR_NOT_AVAILABLE;
101 }
102
103 /*
104 * Fallback.
105 */
106 if ( GetLocaleInfoA(GetUserDefaultLCID(), LOCALE_SISO639LANGNAME, szLocale, sizeof(szLocale)) == 3
107 && GetLocaleInfoA(GetUserDefaultLCID(), LOCALE_SISO3166CTRYNAME, &szLocale[3], sizeof(szLocale) - 4) == 3)
108 {
109 szLocale[2] = '_';
110 Assert(RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2(szLocale));
111 return RTStrCopy(pszName, cbName, szLocale);
112 }
113
114 return rc;
115}
116
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