/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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 *************************************************************/


#include "precompiled_tools.hxx"
#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();
    }
}

}