/* -*- 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 <iostream>
#include <stdlib.h>

#include "system.h"
#include <osl/process.h>
#include <sal/main.h>
#include <sal/types.h>

#ifdef __cplusplus
extern "C" {
#endif

// _set_invalid_parameter_handler appears unavailable with MinGW:
#if defined _MSC_VER
namespace {

extern "C" void invalidParameterHandler(
    wchar_t const * expression, wchar_t const * function, wchar_t const * file,
    unsigned int line, SAL_UNUSED_PARAMETER uintptr_t)
{
    std::wcerr
        << L"Invalid parameter in \"" << (expression ? expression : L"???")
        << L"\" (" << (function ? function : L"???") << ") at "
        << (file ? file : L"???") << L':' << line << std::endl;
}

}
#endif

// Prototypes for initialization and deinitialization of SAL library

void sal_detail_initialize(int argc, char ** argv)
{
    // SetProcessDEPPolicy(PROCESS_DEP_ENABLE);
    // SetDllDirectoryW(L"");
    // SetSearchPathMode(
    //   BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE | BASE_SEARCH_PATH_PERMANENT);
    HMODULE h = GetModuleHandleW(L"kernel32.dll");
    if (h != 0) {
        FARPROC p;
#ifndef _WIN64
        p = GetProcAddress(h, "SetProcessDEPPolicy");
        if (p != 0) {
            reinterpret_cast< BOOL (WINAPI *)(DWORD) >(p)(0x00000001);
        }
#endif
        p = GetProcAddress(h, "SetDllDirectoryW");
        if (p != 0) {
            reinterpret_cast< BOOL (WINAPI *)(LPCWSTR) >(p)(L"");
        }
        p = GetProcAddress(h, "SetSearchPathMode");
        if (p != 0) {
            reinterpret_cast< BOOL (WINAPI *)(DWORD) >(p)(0x8001);
        }
    }

    WSADATA wsaData;
    int     error;
    WORD    wVersionRequested;

    wVersionRequested = MAKEWORD(1, 1);

    error = WSAStartup(wVersionRequested, &wsaData);
    if ( 0 == error )
    {
        WORD wMajorVersionRequired = 1;
        WORD wMinorVersionRequired = 1;

        if ((LOBYTE(wsaData.wVersion) <  wMajorVersionRequired) ||
            ((LOBYTE(wsaData.wVersion) == wMajorVersionRequired) &&
            ((HIBYTE(wsaData.wVersion) < wMinorVersionRequired))))
            {
                // How to handle a very unlikely error ???
            }
    }
    else
    {
        // How to handle a very unlikely error ???
    }

#if defined _MSC_VER // appears unavailable with MinGW
    // It appears that at least some jvm.dll versions can cause calls to
    // _fileno(NULL), which leads to a call of the invalid parameter handler,
    // and the default handler causes the application to crash, so install a
    // "harmless" one (cf. fdo#38913):
    _set_invalid_parameter_handler(&invalidParameterHandler);
#endif

    osl_setCommandArgs(argc, argv);
}

void sal_detail_deinitialize()
{
    if ( SOCKET_ERROR == WSACleanup() )
    {
        // We should never reach this point or we did wrong elsewhere
    }
}



#ifdef __cplusplus
}   // extern "C"
#endif

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