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//
// KIM-API: An API for interatomic models
// Copyright (c) 2013--2022, Regents of the University of Minnesota.
// All rights reserved.
//
// Contributors:
// Ryan S. Elliott
// Alexander Stukowski
//
// SPDX-License-Identifier: LGPL-2.1-or-later
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//
// Release: This file is part of the kim-api.git repository.
//
#include "KIM_Version.hpp"
#include <cstddef>
#ifndef _WIN32
#include <dlfcn.h>
#else
#include <libloaderapi.h>
#endif
#include <iostream>
#include <string>
void usage(std::string name)
{
size_t beg = name.find_last_of("/\\");
if (beg != std::string::npos) name = name.substr(beg + 1, std::string::npos);
// Follows docopt.org format
std::cerr << "Usage:\n"
<< " " << name << " <shared-library-name>\n"
<< " " << name << " --version" << std::endl;
// note: this interface is likely to change in future kim-api releases
}
int IsFilePath(std::string const & filePath)
{
// not very comperhensive but can be improved as needed
if (filePath.length() == 0) return false;
return true;
}
int main(int argc, char * argv[])
{
if (argc != 2)
{
usage(argv[0]);
return 1;
}
else if (std::string(argv[1]) == "--version")
{
std::cout << KIM_VERSION_STRING << std::endl;
return 0;
}
else
{
std::string libFilePath(argv[1]);
if (!IsFilePath(libFilePath)) // validate lib path
{
std::cout << "Invalid <shared-library-name>.\n" << std::endl;
return 2;
}
#ifndef _WIN32
void * sharedLibraryHandle = dlopen(libFilePath.c_str(), RTLD_NOW);
#else
HMODULE sharedLibraryHandle = LoadLibraryExA(
libFilePath.c_str(), NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
#endif
if (sharedLibraryHandle == NULL)
{
#ifndef _WIN32
std::cout << "Unable to open shared library.\n" << dlerror() << std::endl;
#else
std::cout << "Unable to open shared library." << std::endl;
#endif
return 3;
}
else
{
std::cout << "Successfully opened shared library." << std::endl;
#ifndef _WIN32
dlclose(sharedLibraryHandle);
#else
FreeLibrary(sharedLibraryHandle);
#endif
return 0;
}
}
}
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