233 lines
7.1 KiB
C
233 lines
7.1 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#define UNICODE
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#ifdef _MSC_VER
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#pragma warning(push,1) /* disable warnings within system headers */
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#endif
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#include <windows.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#include <wchar.h>
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#include <osl/mutex.h>
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#include <osl/nlsupport.h>
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#include <osl/diagnose.h>
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#include <osl/process.h>
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#include <rtl/tencinfo.h>
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struct EnumLocalesParams
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{
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WCHAR Language[3];
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WCHAR Country[3];
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LCID Locale;
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};
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static DWORD g_dwTLSLocaleEncId = (DWORD) -1;
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/*****************************************************************************/
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/* callback function test
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/*
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/* osl_getTextEncodingFromLocale calls EnumSystemLocalesA, so that we don't
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/* need to provide a unicode wrapper for this function under Win9x
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/* that means the callback function has an ansi prototype and receives
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/* the locale strings as ansi strings
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/*****************************************************************************/
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BOOL CALLBACK EnumLocalesProcA( LPSTR lpLocaleStringA )
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{
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struct EnumLocalesParams * params;
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LCID localeId;
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LPSTR pszEndA;
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WCHAR langCode[4];
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/* convert hex-string to LCID */
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localeId = strtol( lpLocaleStringA, &pszEndA, 16 );
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/* check params received via TLS */
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params = (struct EnumLocalesParams *) TlsGetValue( g_dwTLSLocaleEncId );
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if( NULL == params || '\0' == params->Language[0] )
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return FALSE;
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/*
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get the ISO language code for this locale
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remeber: we call the GetLocaleInfoW function
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because the ansi version of this function returns
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an error under WinNT/2000 when called with an
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unicode only lcid
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*/
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if( GetLocaleInfo( localeId, LOCALE_SISO639LANGNAME , langCode, 4 ) )
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{
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WCHAR ctryCode[4];
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/* continue if language code does not match */
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if( 0 != wcscmp( langCode, params->Language ) )
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return TRUE;
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/* check if country code is set and equals the current locale */
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if( '\0' != params->Country[0] && GetLocaleInfo( localeId, LOCALE_SISO3166CTRYNAME , ctryCode, 4 ) )
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{
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/* save return value in TLS and break if found desired locale */
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if( 0 == wcscmp( ctryCode, params->Country ) )
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{
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params->Locale = localeId;
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return FALSE;
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}
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}
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else
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{
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/* fill with default values for that language */
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LANGID langId = LANGIDFROMLCID( localeId );
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/* exchange sublanguage with SUBLANG_NEUTRAL */
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langId = MAKELANGID( PRIMARYLANGID( langId ), SUBLANG_NEUTRAL );
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/* and use default sorting order */
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params->Locale = MAKELCID( langId, SORT_DEFAULT );
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return FALSE;
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}
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}
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/* retry by going on */
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return TRUE;
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}
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/*****************************************************************************/
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/* GetTextEncodingFromLCID
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/*****************************************************************************/
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rtl_TextEncoding GetTextEncodingFromLCID( LCID localeId )
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{
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rtl_TextEncoding Encoding = RTL_TEXTENCODING_DONTKNOW;
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WCHAR ansiCP[6];
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/* query ansi codepage for given locale */
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if( localeId && GetLocaleInfo( localeId, LOCALE_IDEFAULTANSICODEPAGE, ansiCP, 6 ) )
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{
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/* if GetLocaleInfo returns "0", it is a UNICODE only locale */
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if( 0 != wcscmp( ansiCP, L"0" ) )
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{
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WCHAR *pwcEnd;
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UINT codepage;
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/* values returned from GetLocaleInfo are dezimal based */
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codepage = wcstol( ansiCP, &pwcEnd, 10 );
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/* find matching rtl encoding */
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Encoding = rtl_getTextEncodingFromWindowsCodePage( codepage );
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}
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else
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Encoding = RTL_TEXTENCODING_UNICODE;
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}
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return Encoding;
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}
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/*****************************************************************************/
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/* osl_getTextEncodingFromLocale
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/*****************************************************************************/
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rtl_TextEncoding SAL_CALL osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
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{
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struct EnumLocalesParams params = { L"", L"", 0 };
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/* initialise global TLS id */
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if( (DWORD) -1 == g_dwTLSLocaleEncId )
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{
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oslMutex globalMutex = * osl_getGlobalMutex();
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/* initializing must be thread save */
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osl_acquireMutex( globalMutex );
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if( (DWORD) -1 == g_dwTLSLocaleEncId )
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g_dwTLSLocaleEncId = TlsAlloc();
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osl_releaseMutex( globalMutex );
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}
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/* if pLocale is NULL, use process locale as default */
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if( NULL == pLocale )
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osl_getProcessLocale( &pLocale );
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/* copy in parameters to structure */
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if( pLocale && pLocale->Language )
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{
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wcscpy( params.Language, pLocale->Language->buffer );
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if( pLocale->Country )
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wcscpy( params.Country, pLocale->Country->buffer );
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/* save pointer to local structure in TLS */
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TlsSetValue( g_dwTLSLocaleEncId, ¶ms );
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/* enum all locales known to Windows */
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EnumSystemLocalesA( EnumLocalesProcA, LCID_SUPPORTED );
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/* use the LCID found in iteration */
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return GetTextEncodingFromLCID( params.Locale );
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}
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return RTL_TEXTENCODING_DONTKNOW;
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}
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/*****************************************************************************/
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/* imp_getProcessLocale
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/*****************************************************************************/
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void _imp_getProcessLocale( rtl_Locale ** ppLocale )
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{
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WCHAR langCode[4];
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WCHAR ctryCode[4];
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LCID localeId;
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OSL_ASSERT( ppLocale );
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/* get the LCID to retrieve information from */
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localeId = GetUserDefaultLCID();
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/* call GetLocaleInfo to retrieve the iso codes */
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if( GetLocaleInfo( localeId, LOCALE_SISO639LANGNAME , langCode, 4 ) &&
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GetLocaleInfo( localeId, LOCALE_SISO3166CTRYNAME , ctryCode, 4 ) )
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{
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*ppLocale = rtl_locale_register( langCode, ctryCode, L"" );
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}
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else
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{
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*ppLocale = rtl_locale_register( L"C", L"", L"" );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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