Method invoke_callback

src/apputils/argparse.cpp:259–273

Call the sublist callback if any arguments have been parsed

// Call the sublist callback if any arguments have been parsed
int
ArgOption::invoke_callback () const
{
    assert (m_count == 1);

    int argc = (int) m_argv.size();
    if (argc == 0)
        return 0;

    // Convert the argv's to char*[]
    const char **myargv = (const char **) alloca (argc * sizeof(const char *));
    for (int i = 0;  i < argc;  ++i)
        myargv[i] = m_argv[i].c_str();
    return invoke_callback (argc, myargv);
}