| 1 | /* $Id: RTLocaleQueryNormalizedBaseLocaleName-r3-generic.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTLocaleQueryNormalizedBaseLocaleName, ring-3 generic.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2017-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/locale.h>
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| 32 | #include "internal/iprt.h"
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| 33 |
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| 34 | #include <iprt/ctype.h>
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| 35 | #include <iprt/errcore.h>
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| 36 | #include <iprt/string.h>
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| 37 |
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| 38 |
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| 39 | /*
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| 40 | * Note! Code duplicated in r3/win/RTLocaleQueryNormalizedBaseLocaleName-win.cpp (adds fallback).
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| 41 | */
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| 42 | RTDECL(int) RTLocaleQueryNormalizedBaseLocaleName(char *pszName, size_t cbName)
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| 43 | {
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| 44 | char szLocale[_1K];
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| 45 | int rc = RTLocaleQueryLocaleName(szLocale, sizeof(szLocale));
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| 46 | if (RT_SUCCESS(rc))
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| 47 | {
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| 48 | /*
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| 49 | * May return some complicated "LC_XXX=yyy;LC.." sequence if
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| 50 | * partially set (like IPRT does). Try get xx_YY sequence first
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| 51 | * because 'C' or 'POSIX' may be LC_xxx variants that haven't been
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| 52 | * set yet.
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| 53 | *
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| 54 | * ASSUMES complicated locale mangling is done in a certain way...
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| 55 | */
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| 56 | const char *pszLocale = strchr(szLocale, '=');
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| 57 | if (!pszLocale)
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| 58 | pszLocale = szLocale;
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| 59 | else
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| 60 | pszLocale++;
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| 61 | bool fSeenC = false;
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| 62 | bool fSeenPOSIX = false;
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| 63 | do
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| 64 | {
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| 65 | const char *pszEnd = strchr(pszLocale, ';');
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| 66 |
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| 67 | if ( RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2(pszLocale)
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| 68 | && ( pszLocale[5] == '\0'
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| 69 | || RT_C_IS_PUNCT(pszLocale[5])) )
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| 70 | return RTStrCopyEx(pszName, cbName, pszLocale, 5);
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| 71 |
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| 72 | if ( pszLocale[0] == 'C'
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| 73 | && ( pszLocale[1] == '\0'
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| 74 | || RT_C_IS_PUNCT(pszLocale[1])) )
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| 75 | fSeenC = true;
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| 76 | else if ( strncmp(pszLocale, "POSIX", 5) == 0
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| 77 | && ( pszLocale[5] == '\0'
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| 78 | || RT_C_IS_PUNCT(pszLocale[5])) )
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| 79 | fSeenPOSIX = true;
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| 80 |
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| 81 | /* advance */
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| 82 | pszLocale = pszEnd ? strchr(pszEnd + 1, '=') : NULL;
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| 83 | } while (pszLocale++);
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| 84 |
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| 85 | if (fSeenC || fSeenPOSIX)
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| 86 | return RTStrCopy(pszName, cbName, "C"); /* C and POSIX should be identical IIRC, so keep it simple. */
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| 87 |
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| 88 | rc = VERR_NOT_AVAILABLE;
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| 89 | }
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| 90 | return rc;
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| 91 | }
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| 92 |
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