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/* $Id: vcc-fakes-ws2_32.cpp $ */
/** @file
* IPRT - Tricks to make the Visual C++ 2010 CRT work on NT4, W2K and XP - WS2_32.DLL.
*/
/*
* Copyright (C) 2012-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/cdefs.h>
#include <iprt/types.h>
#include <iprt/asm.h>
#include <iprt/string.h>
#ifndef RT_ARCH_X86
# error "This code is X86 only"
#endif
#define getaddrinfo Ignore_getaddrinfo
#define freeaddrinfo Ignore_freeaddrinfo
#include <iprt/win/winsock2.h>
#include <iprt/win/ws2tcpip.h>
#undef getaddrinfo
#undef freeaddrinfo
/** Dynamically resolves an kernel32 API. */
#define RESOLVE_ME(ApiNm) \
static bool volatile s_fInitialized = false; \
static decltype(ApiNm) *s_pfnApi = NULL; \
decltype(ApiNm) *pfnApi; \
if (s_fInitialized) \
pfnApi = s_pfnApi; \
else \
{ \
pfnApi = (decltype(pfnApi))GetProcAddress(GetModuleHandleW(L"wc2_32.dll"), #ApiNm); \
s_pfnApi = pfnApi; \
s_fInitialized = true; \
} do {} while (0) \
extern "C"
__declspec(dllexport)
int WINAPI getaddrinfo(const char *pszNodeName, const char *pszServiceName, const struct addrinfo *pHints,
struct addrinfo **ppResults)
{
RESOLVE_ME(getaddrinfo);
if (pfnApi)
return pfnApi(pszNodeName, pszServiceName, pHints, ppResults);
/** @todo fallback */
WSASetLastError(WSAEAFNOSUPPORT);
return WSAEAFNOSUPPORT;
}
extern "C"
__declspec(dllexport)
void WINAPI freeaddrinfo(struct addrinfo *pResults)
{
RESOLVE_ME(freeaddrinfo);
if (pfnApi)
pfnApi(pResults);
else
{
Assert(!pResults);
/** @todo fallback */
}
}
/* Dummy to force dragging in this object in the link, so the linker
won't accidentally use the symbols from kernel32. */
extern "C" int vcc100_ws2_32_fakes_cpp(void)
{
return 42;
}
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