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