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[ceph.git] / ceph / src / boost / libs / filesystem / test / issues / recurse_dir_iter_5403.cpp

//  Boost Filesystem recurse_dir_iter_test.cpp  ----------------------------------------//

//  Copyright Beman Dawes 2014.

//  Distributed under the Boost Software License, Version 1.0.
//  See http://www.boost.org/LICENSE_1_0.txt

//  Library home page: http://www.boost.org/libs/filesystem

#include <boost/config/warning_disable.hpp>

//  See deprecated_test for tests of deprecated features
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
#  define BOOST_FILESYSTEM_NO_DEPRECATED
#endif
#ifndef BOOST_SYSTEM_NO_DEPRECATED
#  define BOOST_SYSTEM_NO_DEPRECATED
#endif

#include <boost/filesystem/operations.hpp>

#include <boost/config.hpp>
# if defined( BOOST_NO_STD_WSTRING )
#   error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
# endif

#include <boost/cerrno.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/detail/lightweight_main.hpp>

namespace fs = boost::filesystem;
using boost::system::error_code;
using boost::system::system_category;
using boost::system::system_error;

#include <iostream>

using std::cout;
using std::endl;

#ifdef BOOST_WINDOWS_API
# include <windows.h>
#endif
namespace
{
  typedef int errno_t;
  std::string platform(BOOST_PLATFORM);
  bool report_throws = false;
  bool cleanup = true;
  bool skip_long_windows_tests = false;
  unsigned short language_id;  // 0 except for Windows

} // unnamed namespace

//------------------------------------------------------------------------------------//
//                                                                                    //
//                                    main                                            //
//                                                                                    //
//------------------------------------------------------------------------------------//

int cpp_main(int argc, char* argv[])
{
  // document state of critical macros
#ifdef BOOST_POSIX_API
  cout << "BOOST_POSIX_API is defined\n";
#endif
#ifdef BOOST_WINDOWS_API
  cout << "BOOST_WINDOWS_API is defined\n";
#endif

  for (; argc > 1; --argc, ++argv)
  {
    //if (*argv[1]=='-' && *(argv[1]+1)=='t')
    //  report_throws = true;
    //else if (*argv[1]=='-' && *(argv[1]+1)=='x')
    //  cleanup = false;
    //else if (*argv[1]=='-' && *(argv[1]+1)=='w')
    //  skip_long_windows_tests = true;
  }

  // The choice of platform to test is made at runtime rather than compile-time
  // so that compile errors for all platforms will be detected even though
  // only the current platform is runtime tested.
# if defined(BOOST_POSIX_API)
  platform = "POSIX";
# elif defined(BOOST_WINDOWS_API)
  platform = "Windows";
#   if !defined(__MINGW32__) && !defined(__CYGWIN__)
  language_id = ::GetUserDefaultUILanguage();
#   else
  language_id = 0x0409; // Assume US English
#   endif
# else
#   error neither BOOST_POSIX_API nor BOOST_WINDOWS_API is defined. See boost/system/api_config.hpp
# endif
  cout << "API is " << platform << endl;
  cout << "initial_path() is " << fs::initial_path() << endl;
  fs::path ip = fs::initial_path();

  for (fs::path::const_iterator it = ip.begin(); it != ip.end(); ++it)
  {
    if (it != ip.begin())
      cout << ", ";
    cout << *it;
  }
  cout << endl;

  //  From the root, walk the directory tree looking for a permissions error

  fs::recursive_directory_iterator it("/");
  fs::recursive_directory_iterator end_it;

  //  The increment function has an invarient that it always makes progress,
  //  so even if an error occurs this loop will eventually terminate.

  while (it != end_it)
  {
    error_code ec;
    fs::path init_path = it->path();
    it.increment(ec);
    if (ec)
    {
      cout << "initial path: " << init_path << endl;
      cout << "error_code: " << ec.value() << " with msg: " << ec.message() << endl;
      if (it != end_it)
        cout << "post-increment path: " << it->path() << endl;
    }
  }

  cout << "returning from main()" << endl;
  return ::boost::report_errors();
} // main