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/**************************************************************************
*
* Copyright 2016 VMware, Inc
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
#pragma once
#include <windows.h>
#include <string>
class Module
{
const char *m_szName;
HMODULE m_hModule = nullptr;
public:
Module(const char *szName) :
m_szName(szName)
{
}
~Module()
{
if (m_hModule) {
FreeLibrary(m_hModule);
}
}
PROC
getProcAddress(LPCSTR lpProcName)
{
if (!m_hModule) {
char szSystemDir[MAX_PATH] = {0};
if (!GetSystemDirectoryA(szSystemDir, MAX_PATH)) {
return nullptr;
}
std::string sDllPath = szSystemDir;
sDllPath += "\\";
sDllPath += m_szName;
sDllPath += ".dll";
m_hModule = LoadLibraryA(sDllPath.c_str());
if (!m_hModule) {
return nullptr;
}
}
return GetProcAddress(m_hModule, lpProcName);
}
};
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