| 1 | /** @file
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| 2 | * IPRT - Locale and Related Info.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2017-2022 Oracle and/or its affiliates.
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| 7 | *
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| 8 | * This file is part of VirtualBox base platform packages, as
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| 9 | * available from https://www.virtualbox.org.
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU General Public License
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| 13 | * as published by the Free Software Foundation, in version 3 of the
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| 14 | * License.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful, but
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | * General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 23 | *
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| 24 | * The contents of this file may alternatively be used under the terms
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| 25 | * of the Common Development and Distribution License Version 1.0
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| 26 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 27 | * in the VirtualBox distribution, in which case the provisions of the
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| 28 | * CDDL are applicable instead of those of the GPL.
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| 29 | *
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| 30 | * You may elect to license modified versions of this file under the
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| 31 | * terms and conditions of either the GPL or the CDDL or both.
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| 32 | *
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| 33 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 34 | */
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| 35 |
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| 36 | #ifndef IPRT_INCLUDED_locale_h
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| 37 | #define IPRT_INCLUDED_locale_h
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| 38 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 39 | # pragma once
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| 40 | #endif
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| 41 |
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| 42 | #include <iprt/cdefs.h>
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| 43 | #include <iprt/types.h>
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| 44 |
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| 45 | RT_C_DECLS_BEGIN
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| 46 |
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| 47 | /** @defgroup grp_rt_locale RTLocale - Locale and Related Info
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| 48 | * @ingroup grp_rt
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| 49 | * @{
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| 50 | */
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| 51 |
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| 52 | /**
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| 53 | * Returns the setlocale(LC_ALL,NULL) return value.
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| 54 | *
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| 55 | * @returns IPRT status code.
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| 56 | * @retval VERR_NOT_SUPPORTED if not supported.
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| 57 | * @param pszName Where to return the name.
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| 58 | * @param cbName The size of the name buffer.
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| 59 | */
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| 60 | RTDECL(int) RTLocaleQueryLocaleName(char *pszName, size_t cbName);
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| 61 |
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| 62 | /**
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| 63 | * Returns a normalized base locale name ('{ll}_{CC}' or 'C').
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| 64 | *
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| 65 | * @returns IPRT status code.
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| 66 | * @retval VERR_NOT_SUPPORTED if not supported.
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| 67 | * @param pszName Where to return the name.
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| 68 | * @param cbName The size of the name buffer.
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| 69 | *
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| 70 | * @sa RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2
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| 71 | */
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| 72 | RTDECL(int) RTLocaleQueryNormalizedBaseLocaleName(char *pszName, size_t cbName);
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| 73 |
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| 74 | /**
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| 75 | * Gets the two letter country code (ISO 3166-1 alpha-2) for the current user.
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| 76 | *
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| 77 | * This is not necessarily the country from the locale name, when possible the
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| 78 | * source is a different setting (host specific).
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| 79 | *
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| 80 | * @returns IPRT status code.
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| 81 | * @retval VERR_NOT_SUPPORTED if not supported.
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| 82 | * @param pszCountryCode Pointer buffer that's at least three bytes in size.
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| 83 | * The country code will be returned here on success.
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| 84 | */
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| 85 | RTDECL(int) RTLocaleQueryUserCountryCode(char pszCountryCode[3]);
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| 86 |
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| 87 |
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| 88 | /**
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| 89 | * Checks whether @a a_psz seems to start with a
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| 90 | * language-code-underscore-country-code sequence.
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| 91 | *
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| 92 | * We perform a check for a likely ISO 639-1 language code, followed by an
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| 93 | * underscore, followed by a likely ISO 3166-1 alpha-2 country code.
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| 94 | *
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| 95 | * @return true if probable '{ll}_{CC}' sequence, false if surely not.
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| 96 | * @param a_psz The string to test the start of.
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| 97 | *
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| 98 | * @note User must include iprt/ctype.h separately.
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| 99 | */
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| 100 | #define RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2(a_psz) \
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| 101 | ( RT_C_IS_LOWER((a_psz)[0]) \
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| 102 | && RT_C_IS_LOWER((a_psz)[1]) \
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| 103 | && (a_psz)[2] == '_' \
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| 104 | && RT_C_IS_UPPER((a_psz)[3]) \
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| 105 | && RT_C_IS_UPPER((a_psz)[4]) )
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| 106 |
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| 107 |
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| 108 | /** @} */
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| 109 |
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| 110 | RT_C_DECLS_END
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| 111 |
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| 112 | #endif /* !IPRT_INCLUDED_locale_h */
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| 113 |
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