#define BOOST_FILESYSTEM_VERSION 3

#ifndef UNICODE
# define UNICODE
#endif

#include <cstdlib>
#include <exception>
#include <stdexcept>
#include <iostream>
#include <string>

#include <boost/filesystem.hpp>

#include <sys/stat.h>	// standard POSIX header for mkdir
#include <direct.h>	// actual header for mkdir :)

#include <tchar.h>

using namespace std;

int main(int argc, char const *argv[])
try
{
    int iRetCode = EXIT_SUCCESS;

    if (argc > 2)
    {
	cout << "Attempts to delete specified directory using boost::filesystem::remove_all()\n";
	cout << "Syntax:\n";
	cout << "\t" << argv[0] << " dirname\n";
	cout << endl;

	iRetCode = EXIT_FAILURE;
    }
    else
    {
	if (argc == 2)
	{
	    boost::filesystem::remove_all(argv[1]);
	    iRetCode = EXIT_SUCCESS;
	}
	else
	{
	    char const *tmp_dir = getenv("TMP");

	    if (tmp_dir == NULL)
		tmp_dir = getenv("TEMP");

	    if (tmp_dir)
	    {
		int iCode = mkdir((string(tmp_dir) + "/v3_dir").c_str());

		if (iCode == 0)
		    mkdir((string(tmp_dir) + "/v3_dir/dirname").c_str());

		if (iCode == 0)
		    mkdir((string(tmp_dir) + "/v3_dir/dirnam2").c_str());

		if (iCode == 0)
		    mkdir((string(tmp_dir) + "/v3_dir/dirnam3").c_str());
		else
		    throw 
			runtime_error
			    (
				string("Failed to create temporary directories for test.\n")
				    +
				strerror(errno)
			    );

		TCHAR szTempDir[_MAX_PATH]; // Microsoft has _MAX_PATH in <stdlib.h>
		string strTempDir = tmp_dir;

		strTempDir += "/v3_dir";
		TCHAR *pCh = szTempDir;
		string::const_iterator
			it = strTempDir.begin();

		while
		    (
			it != strTempDir.end()
			    &&
			pCh < szTempDir + sizeof szTempDir / sizeof szTempDir[0] - 1
		    )
		{
		    *pCh++ = *it++;
		}

		*pCh = _T('\0');

		boost::filesystem::remove_all(szTempDir);

		iRetCode = EXIT_SUCCESS;
	    }
	    else
		throw runtime_error("TEMP or TMP not set.");
	}
    }
}
catch(exception const &ex)
{
    cerr << "Application error." << endl;
    cerr << ex.what() << endl;

    return EXIT_FAILURE;
}
catch(...)
{
    cerr << "Application error.";

    return EXIT_FAILURE;
}