int main()
{
int arr[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
const slist<int> sl(arr, arr + sizeof(arr)/sizeof(arr[0]));
for(auto i : sl)
std::cout << i << ' ';
std::cout << std::endl;
auto iter = sl.begin();
++iter;
++iter;
iter = sl.previous(iter);
std::cout << *iter << std::endl;
iter._M_node = __slist_reverse(iter._M_node);
for(auto i : sl)
std::cout << i << ' ';
std::cout << std::endl;
std::cout << *iter << std::endl;
return 0;
}//main
po::options_description store_and_notify(vector<string> argv,
po::variables_map &vm,
po::options_description* generic) {
po::options_description config_file_options;
populate_options(config_file_options);
po::options_description cmdline_options;
if (generic)
cmdline_options.add(*generic);
cmdline_options.add(config_file_options);
/** Config hierarchy:
* - first, command line arguments
* - second, /home/nao/data/configs/$hostname.cfg
* - third, /home/nao/data/runswift.cfg
* - fourth, `pwd`/runswift.cfg
**/
// arguments from this call
store(po::command_line_parser(argv).options(cmdline_options).run(), vm);
// arguments from previous calls
static slist<vector<string> > argvs;
for (slist<vector<string> >::const_iterator argv_ci = argvs.begin();
argv_ci != argvs.end(); ++argv_ci)
store(po::command_line_parser(*argv_ci).options(cmdline_options).run(),
vm);
ifstream ifs;
string hostname;
ifs.open("/etc/hostname");
ifs >> hostname;
ifs.close();
ifs.open(string("/home/nao/data/configs/" + hostname + ".cfg").c_str());
store(parse_config_file(ifs, config_file_options), vm);
ifs.close();
ifs.open("/home/nao/data/runswift.cfg");
store(parse_config_file(ifs, config_file_options), vm);
ifs.close();
ifs.open("runswift.cfg");
store(parse_config_file(ifs, config_file_options), vm);
ifs.close();
/** Doesn't do anything right now, but will 'notify' any variables
* we try to set via program_options */
po::notify(vm);
// assuming all options were valid and no exception was thrown, save argv for
// repeated use
argvs.push_front(argv);
return cmdline_options;
}