49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
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// Copyright 2015-2019 Antony Polukhin.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <vector>
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#include "../b2_workarounds.hpp"
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//[callplugcpp_tutorial7
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#include <boost/dll/shared_library.hpp>
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#include <boost/dll/library_info.hpp>
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#include <iostream>
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void load_and_execute(const boost::dll::fs::path libraries[], std::size_t libs_count) {
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const std::string username = "User";
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for (std::size_t i = 0; i < libs_count; ++i) {
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// Class `library_info` can extract information from a library
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boost::dll::library_info inf(libraries[i]);
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// Getting symbols exported from 'Anna' section
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std::vector<std::string> exports = inf.symbols("Anna");
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// Loading library and importing symbols from it
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boost::dll::shared_library lib(libraries[i]);
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for (std::size_t j = 0; j < exports.size(); ++j) {
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std::cout << "\nFunction '" << exports[j] << "' prints:\n\t";
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lib.get_alias<void(const std::string&)>(exports[j]) // importing function
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(username); // calling function
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}
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}
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}
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//]
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int main(int argc, char* argv[]) {
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/*<-*/ BOOST_ASSERT(argc >= 3); /*->*/
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std::vector<boost::dll::fs::path> libraries;
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libraries.reserve(argc - 1);
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for (int i = 1; i < argc; ++i) {
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if (b2_workarounds::is_shared_library(argv[i])) {
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libraries.push_back(argv[i]);
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}
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}
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load_and_execute(&libraries[0], libraries.size());
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}
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