Function parse_args

crawl-ref/source/initfile.cc:5661–6243

}

bool parse_args(int argc, char **argv, bool rc_only)
{
    COMPILE_CHECK(ARRAYSZ(cmd_ops) == CLO_NOPS);

#ifndef DEBUG_STATISTICS
    const char *dbg_stat_err = "mapstat and objstat are available only in "
                               "DEBUG_STATISTICS builds.\n";
#endif

    if (crawl_state.command_line_arguments.empty())
    {
        crawl_state.command_line_arguments.insert(
            crawl_state.command_line_arguments.end(),
            argv, argv + argc);
    }

    string exe_path = _find_executable_path();

    if (!exe_path.empty())
        set_crawl_base_dir(exe_path.c_str());
    else
        set_crawl_base_dir(argv[0]);

    SysEnv.crawl_exe = get_base_filename(argv[0]);

    SysEnv.rcdirs.clear();
    SysEnv.map_gen_iters = 0;

    if (argc < 2)           // no args!
        return true;

    char *arg, *next_arg;
    int current = 1;
    bool nextUsed = false;
    int ecount;

    // initialise
    for (int i = 0; i < num_cmd_ops; i++)
         _arg_seen(static_cast<commandline_option_type>(i)) = false;

    if (SysEnv.cmd_args.empty())
    {
        for (int i = 1; i < argc; ++i)
            SysEnv.cmd_args.emplace_back(argv[i]);
    }

    bool seen_headless_ok = false;

    while (current < argc)
    {
        // get argument
        arg = argv[current];

        // next argument (if there is one)
        if (current+1 < argc)
            next_arg = argv[current+1];
        else
            next_arg = nullptr;