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// Copyright (c) 2006, 2007 Julio M. Merino Vidal
// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
// Copyright (c) 2009 Boris Schaeling
// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
//
// 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 <boost/process.hpp>
#include <unordered_map>
using namespace boost::process;
namespace asio = boost::asio;
int main()
{
{ // tag::current_env[]
// search in the current environment
auto exe = environment::find_executable("g++");
std::unordered_map <environment::key, environment::value> my_env =
{
{"SECRET", "THIS_IS_A_TEST"},
{"PATH", {"/bin", "/usr/bin"}}
};
auto other_exe = environment::find_executable("g++", my_env);
//end::current_env[]
}
{
// tag::subprocess_env[]
asio::io_context ctx;
std::unordered_map<environment::key, environment::value> my_env =
{
{"SECRET", "THIS_IS_A_TEST"},
{"PATH", {"/bin", "/usr/bin"}}
};
auto exe = environment::find_executable("g++", my_env);
process proc(ctx, exe, {"main.cpp"}, process_environment(my_env));
process pro2(ctx, exe, {"test.cpp"}, process_environment(my_env));
// end::subprocess_env[]
}
{
// tag::vector_env[]
asio::io_context ctx;
auto c = environment::current();
// we need to use a value, since windows needs wchar_t.
std::vector<environment::key_value_pair> my_env{c.begin(), c.end()};
my_env.push_back("SECRET=THIS_IS_A_TEST");
auto exe = environment::find_executable("g++", my_env);
process proc(ctx, exe, {"main.cpp"}, process_environment(my_env));
// end::vector_env[]
}
{
// tag::map_env[]
asio::io_context ctx;
std::unordered_map<environment::key, environment::value> my_env;
for (const auto & kv : environment::current())
if (kv.key().string() != "SECRET")
my_env[kv.key()] = kv.value();
auto exe = environment::find_executable("g++", my_env);
process proc(ctx, exe, {"main.cpp"}, process_environment(my_env));
// end::map_env[]
}
}
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