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path: root/tools/source/misc/extendapplicationenvironment.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include "sal/config.h"

#include <stdlib.h>

#if defined UNX
#include <sys/resource.h>
#include <sys/time.h>
#include <sys/types.h>
#endif

#include "osl/process.h"
#include "osl/thread.h"
#include "rtl/bootstrap.hxx"
#include "rtl/string.hxx"
#include "rtl/textcvt.h"
#include "rtl/ustrbuf.hxx"
#include "rtl/ustring.h"
#include "rtl/ustring.hxx"
#include "sal/types.h"
#include "tools/extendapplicationenvironment.hxx"

namespace tools {

void extendApplicationEnvironment() {
#if defined UNX
    // Try to set RLIMIT_NOFILE as large as possible (failure is harmless):
    rlimit l;
    if (getrlimit(RLIMIT_NOFILE, &l) == 0) {
        l.rlim_cur = l.rlim_max;
        setrlimit(RLIMIT_NOFILE, &l);
    }
#endif

    // Make sure URE_BOOTSTRAP environment variable is set (failure is fatal):
    rtl::OUStringBuffer env;
    rtl::OUString envVar(RTL_CONSTASCII_USTRINGPARAM("URE_BOOTSTRAP"));
    rtl::OUString uri;
    if (rtl::Bootstrap::get(envVar, uri))
    {
        if (!uri.matchIgnoreAsciiCaseAsciiL(
                RTL_CONSTASCII_STRINGPARAM("vnd.sun.star.pathname:")))
        {
            uri = rtl::Bootstrap::encode(uri);
        }
        env.append(uri);
    } else {
        if (osl_getExecutableFile(&uri.pData) != osl_Process_E_None) {
            abort();
        }
        sal_Int32 i = uri.lastIndexOf('/');
        if (i >= 0) {
            uri = uri.copy(0, i + 1);
        }
        env.append(rtl::Bootstrap::encode(uri));
        env.appendAscii(
            RTL_CONSTASCII_STRINGPARAM(SAL_CONFIGFILE("fundamental")));
    }
    rtl::OUString envValue(env.makeStringAndClear());
    if (osl_setEnvironment(envVar.pData, envValue.pData) != osl_Process_E_None) {
        abort();
    }
}

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */