1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
// Copyright Antony Polukhin, 2015-2025.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <vector>
#include "../b2_workarounds.hpp"
//[callplugcpp_tutorial7
#include <boost/dll/shared_library.hpp>
#include <boost/dll/library_info.hpp>
#include <iostream>
void load_and_execute(const boost::dll::fs::path libraries[], std::size_t libs_count) {
const std::string username = "User";
for (std::size_t i = 0; i < libs_count; ++i) {
// Class `library_info` can extract information from a library
boost::dll::library_info inf(libraries[i]);
// Getting symbols exported from 'Anna' section
std::vector<std::string> exports = inf.symbols("Anna");
// Loading library and importing symbols from it
boost::dll::shared_library lib(libraries[i]);
for (std::size_t j = 0; j < exports.size(); ++j) {
std::cout << "\nFunction '" << exports[j] << "' prints:\n\t";
lib.get_alias<void(const std::string&)>(exports[j]) // importing function
(username); // calling function
}
}
}
//]
int main(int argc, char* argv[]) {
/*<-*/ BOOST_ASSERT(argc >= 3); /*->*/
std::vector<boost::dll::fs::path> libraries;
libraries.reserve(argc - 1);
for (int i = 1; i < argc; ++i) {
if (b2_workarounds::is_shared_library(argv[i])) {
libraries.push_back(argv[i]);
}
}
load_and_execute(&libraries[0], libraries.size());
}
|
