Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

21 files changed, 562 insertions, 0 deletions

diff --git a/src/boost/libs/filesystem/test/issues/10038.cpp b/src/boost/libs/filesystem/test/issues/10038.cpp
new file mode 100644
index 00000000..341e7a94
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/10038.cpp
@@ -0,0 +1,8 @@
+#include <boost/filesystem.hpp>
+
+int main(void)
+{
+    boost::filesystem::copy_file("a", "b");
+    return 0;
+}
+
diff --git a/src/boost/libs/filesystem/test/issues/10205.cpp b/src/boost/libs/filesystem/test/issues/10205.cpp
new file mode 100644
index 00000000..4cf5e728
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/10205.cpp
@@ -0,0 +1,17 @@
+// Linux test; before running: export LANG=foo
+
+#include <locale>
+#include <iostream>
+#include <string>
+#include <boost/filesystem/path.hpp>
+
+int main()
+{
+  std::string pathname = "/some/filesystem/path/%%%%";
+
+  boost::filesystem::path path(pathname);
+
+  std::wcout << path.wstring() << std::endl;
+
+  return 0;
+}
diff --git a/src/boost/libs/filesystem/test/issues/10485.cpp b/src/boost/libs/filesystem/test/issues/10485.cpp
new file mode 100644
index 00000000..81ba2136
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/10485.cpp
@@ -0,0 +1,14 @@
+//  Copyright iamvfx@gmail.com 2014
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+#include <stdio.h>
+#include <boost/filesystem.hpp>
+
+int main()
+{
+  boost::filesystem::path dir("/");
+  for (char c : dir.filename().string())
+    printf("%c\n", c);
+}
diff --git a/src/boost/libs/filesystem/test/issues/10641.cpp b/src/boost/libs/filesystem/test/issues/10641.cpp
new file mode 100644
index 00000000..ff90784e
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/10641.cpp
@@ -0,0 +1,20 @@
+#include <iostream>
+#include <boost/filesystem/path.hpp>
+using namespace std;
+namespace fs = boost::filesystem;
+int main(int argc, char** argv)
+{
+
+	try
+	{
+		fs::path my_path("test/test.txt");
+		cout << "current path is      " << my_path << endl;
+		cout << "parent path is       " << my_path.parent_path() << endl;
+	}
+	catch(std::exception& e) {
+		cerr << endl << "Error during execution: " << e.what() << endl << endl;
+		return EXIT_FAILURE;
+	}
+	return EXIT_SUCCESS;
+}
+
diff --git a/src/boost/libs/filesystem/test/issues/11166-remove-race.cpp b/src/boost/libs/filesystem/test/issues/11166-remove-race.cpp
new file mode 100644
index 00000000..e5ba61a5
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/11166-remove-race.cpp
@@ -0,0 +1,38 @@
+#include <boost/filesystem.hpp>
+#include <boost/thread.hpp>
+#include <fstream>
+
+boost::condition_variable cond;
+boost::mutex mut;
+
+#define FNAME ("remove-test")
+void remover()
+{
+    while(1)
+    {
+        boost::filesystem::remove(FNAME);
+    }
+}
+
+void creater()
+{
+    for(int i=0; i<100000; i++) std::fstream(FNAME, std::fstream::out);
+}
+
+int main()
+{
+    boost::filesystem::remove(FNAME);
+    boost::filesystem::remove(FNAME);
+
+    std::cout <<
+        "If you got this far, it's OK to remove a file that doesn't exist\n"
+        "Now trying with one creator thread and two remover threads.\n"
+        "This is likely to crash after just a few seconds at most." <<
+        std::endl;
+
+    boost::thread c(creater), r1(remover), r2(remover);
+
+    c.join();
+    r1.interrupt(); r1.join();
+    r2.interrupt(); r2.join();
+}
diff --git a/src/boost/libs/filesystem/test/issues/11228--filtered-recursive_directory_iterator-range.cpp b/src/boost/libs/filesystem/test/issues/11228--filtered-recursive_directory_iterator-range.cpp
new file mode 100644
index 00000000..ac44d2d6
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/11228--filtered-recursive_directory_iterator-range.cpp
@@ -0,0 +1,25 @@
+#include <boost/filesystem.hpp>
+#include <boost/range.hpp>
+#include <boost/range/algorithm.hpp>
+#include <boost/range/adaptors.hpp>
+#include <vector>
+#include <iostream>
+
+namespace fs = boost::filesystem;
+using namespace boost::adaptors;
+
+int main() {
+    fs::recursive_directory_iterator beg("."), end;
+
+    auto fileFilter = [](fs::path const & path)
+    {
+      return is_regular_file(path);
+    };
+
+    std::vector<fs::path> paths;
+    copy(boost::make_iterator_range(beg, end) | filtered(fileFilter),
+      std::back_inserter(paths));
+
+    for(auto& p : paths)
+        std::cout << p << "\n";
+}
\ No newline at end of file
diff --git a/src/boost/libs/filesystem/test/issues/3332/test.cpp b/src/boost/libs/filesystem/test/issues/3332/test.cpp
new file mode 100644
index 00000000..9456a7a8
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/3332/test.cpp
@@ -0,0 +1,37 @@
+#include <boost/filesystem.hpp>
+#include <cvt/cp950>
+#include <iostream>
+#include <string>
+#include <locale>
+
+namespace fs = boost::filesystem;
+
+int main(void) {
+
+  std::locale global_loc = std::locale();
+  std::locale loc(global_loc, new stdext::cvt::codecvt_cp950<wchar_t>);
+  fs::path::imbue(loc);
+
+  std::cout <<
+    "HEADS UP! PIPE OUTPUT TO FILE AND INSPECT WITH HEX OR CP950 EDITOR.\n"
+    "WINDOWS COMMAND PROMPT FONTS DON'T SUPPORT CHINESE,\n"
+    "EVEN WITH CODEPAGE SET AND EVEN AS OF WIN 10 TECH PREVIEW." << std::endl;
+
+  fs::recursive_directory_iterator end;
+  fs::recursive_directory_iterator iter
+    ("C:/boost/test-files/utf-8");
+
+  while (iter != end)
+  {
+    if (fs::is_directory(*iter))
+    {
+      std::cout << "[directory] " << iter->path().generic_string() << std::endl;
+    }
+    else if (fs::is_regular(*iter))
+    {
+      std::cout << " [file] " << iter->path().generic_string() << std::endl;
+    }
+    ++iter;
+  }
+  return 0;
+}
diff --git a/src/boost/libs/filesystem/test/issues/4329.-basename.cpp b/src/boost/libs/filesystem/test/issues/4329.-basename.cpp
new file mode 100644
index 00000000..a07648b3
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/4329.-basename.cpp
@@ -0,0 +1,20 @@
+#include <iostream>
+#include <boost/filesystem.hpp>
+using boost::filesystem::path;
+
+int main()
+{
+  std::cout << path("a").stem() << std::endl;
+  std::cout << path("a/").stem() << std::endl;
+  std::cout << path("a/b").stem() << std::endl;
+  std::cout << path("a/b/").stem() << std::endl;
+  std::cout << path("a/b/c").stem() << std::endl;
+  std::cout << path("a/b/c/").stem() << std::endl;
+  std::cout << path("a/b/c/d").stem() << std::endl;
+  std::cout << path("a/b/c/d/").stem() << std::endl;
+  std::cout << path("a/b/c/d/e").stem() << std::endl;
+  std::cout << path("a/b/c/d/e/").stem() << std::endl;
+  return 0;
+}
+
+
diff --git a/src/boost/libs/filesystem/test/issues/5300-temp-dir-path-130.cpp b/src/boost/libs/filesystem/test/issues/5300-temp-dir-path-130.cpp
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/5300-temp-dir-path-130.cpp
diff --git a/src/boost/libs/filesystem/test/issues/6638-global-init-fails-3.cpp b/src/boost/libs/filesystem/test/issues/6638-global-init-fails-3.cpp
new file mode 100644
index 00000000..b0a62ede
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/6638-global-init-fails-3.cpp
@@ -0,0 +1,36 @@
+#include <boost/filesystem.hpp>
+#include <boost/detail/lightweight_main.hpp>
+#include <string>
+
+using namespace boost::filesystem;
+
+//  The original bug report was that this broke:
+//     path p(L"C:\\TEMP\\");
+//     path r(p / "narrow");
+//  That code now works, but ...
+
+//  Nils Gladitz has provided this example ...
+
+class Test
+{
+public:
+	~Test()
+	{
+		path p(L"C:\\TEMP\\");
+		path r(p / "narrow");
+	}
+};
+
+//  path p("narrow");
+
+//  fails if static linked and Test object is global variable, but does not fail if
+//  path p("narrow") line above is not commented out, and also does not fail if the
+//  Test test2 line below is commented out.
+
+Test test1;
+Test test2;
+
+int cpp_main(int, char* [])
+{
+  return 0;
+}
diff --git a/src/boost/libs/filesystem/test/issues/70-71-copy.cpp b/src/boost/libs/filesystem/test/issues/70-71-copy.cpp
new file mode 100644
index 00000000..ed67f170
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/70-71-copy.cpp
@@ -0,0 +1,20 @@
+
+// Copyright 2018 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+// See library home page at http://www.boost.org/libs/filesystem
+
+#include <boost/filesystem.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+namespace fs = boost::filesystem;
+
+int main()
+{
+    BOOST_TEST_THROWS( fs::copy( "/tmp/non-existent-a", "/tmp/non-existent-b" ), std::exception );
+    return boost::report_errors();
+}
diff --git a/src/boost/libs/filesystem/test/issues/8930.cpp b/src/boost/libs/filesystem/test/issues/8930.cpp
new file mode 100644
index 00000000..280e5ed6
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/8930.cpp
@@ -0,0 +1,7 @@
+// Before running this test: export LANG=foo
+
+#include <boost/filesystem.hpp>
+int main() {
+  boost::filesystem::path("/abc").root_directory();
+}
+
diff --git a/src/boost/libs/filesystem/test/issues/9054_static_const_codecvt_segfault_pre_main.cpp b/src/boost/libs/filesystem/test/issues/9054_static_const_codecvt_segfault_pre_main.cpp
new file mode 100644
index 00000000..e30617e0
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/9054_static_const_codecvt_segfault_pre_main.cpp
@@ -0,0 +1,10 @@
+#include "boost/filesystem.hpp"
+
+static const boost::filesystem::path::codecvt_type &dummy =
+  boost::filesystem::path::codecvt();
+
+int main()
+{
+  return 0;
+}
+
diff --git a/src/boost/libs/filesystem/test/issues/9219.cpp b/src/boost/libs/filesystem/test/issues/9219.cpp
new file mode 100644
index 00000000..85d4b5c7
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/9219.cpp
@@ -0,0 +1,40 @@
+//  Boost 9219.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
+
+//--------------------------------------------------------------------------------------//
+//                                                                                      //
+//  In researching filesystem issues it is convenient to have a program that can be     //
+//  quickly modified to test reported problems. That's the purpose of this file and     //
+//  its associated Visual Studio and Boost.Build infrastructure.                        //
+//                                                                                      //
+//--------------------------------------------------------------------------------------//
+
+#include <boost/config/warning_disable.hpp>
+
+#include <boost/filesystem.hpp>
+
+#include <iostream>
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/detail/lightweight_main.hpp>
+
+using std::cout;
+using std::endl;
+namespace fs = boost::filesystem;
+
+//------------------------------------  cpp_main  --------------------------------------//
+
+int cpp_main(int argc, char* argv[])
+{
+  cout << "Hello, 9219" << endl;
+  cout << "This is a test for non-Windows systems" << endl;
+
+  BOOST_TEST(fs::exists(const_cast<char*>(".")));
+
+  return ::boost::report_errors();
+} // cpp_main
diff --git a/src/boost/libs/filesystem/test/issues/Jamfile.v2 b/src/boost/libs/filesystem/test/issues/Jamfile.v2
new file mode 100644
index 00000000..47fce407
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/Jamfile.v2
@@ -0,0 +1,38 @@
+# Boost Filesystem test/issues Jamfile
+
+# Copyright Beman Dawes 2014
+
+# Distributed under the Boost Software License, Version 1.0.
+# See www.boost.org/LICENSE_1_0.txt
+
+# Library home page: http://www.boost.org/libs/filesystem
+
+project
+    : requirements
+      <library>/boost/filesystem//boost_filesystem
+      <link>static
+    ;
+
+   test-suite "filesystem-issues" :
+#       [ run 9054_static_const_codecvt_segfault_pre_main.cpp
+#           :  :  : <link>shared : 9054_shared ]
+#       [ run 9054_static_const_codecvt_segfault_pre_main.cpp
+#           :  :  : <link>static : 9054_static ]
+#       [ run hello_filesystem.cpp
+#           :  :  : <link>shared : hello_shared ]
+#       [ run hello_filesystem.cpp
+#           :  :  : <link>static : hello_static ]
+#       [ run 9219.cpp
+#           :  :  : <link>shared : 9219_shared ]
+#       [ run 9219.cpp
+#           :  :  : <link>static : 9219_static ]
+#       [ run 10485.cpp
+#           :  :  : <link>shared <test-info>always_show_run_output ]
+#       [ run copy_file-compilation-error-2015-05-04.cpp ]
+        [ run 6638-convert_aux-fails-init-global.cpp
+           :  :  : <link>shared : 6638_shared ]
+        [ run 6638-convert_aux-fails-init-global.cpp
+           :  :  : <link>static : 6638_static ]
+
+       ;
+
diff --git a/src/boost/libs/filesystem/test/issues/boost-no-inspect b/src/boost/libs/filesystem/test/issues/boost-no-inspect
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/boost-no-inspect
diff --git a/src/boost/libs/filesystem/test/issues/copy_file-compilation-error-2015-05-04.cpp b/src/boost/libs/filesystem/test/issues/copy_file-compilation-error-2015-05-04.cpp
new file mode 100644
index 00000000..c9034d6f
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/copy_file-compilation-error-2015-05-04.cpp
@@ -0,0 +1,14 @@
+// Rob Conde <rob.conde@ai-solutions.com> reports this fails
+// to compile for Boost 1.58 with g++ 4.4.7 but is OK with FC++ 2013
+
+#include "boost/filesystem/operations.hpp"
+
+void myFunc()
+{
+   using namespace boost::filesystem;
+
+   copy_option opt(copy_option::overwrite_if_exists);
+
+   copy_file(path("p1"),path("p2"),copy_option::overwrite_if_exists);
+//   copy_file(path("p1"),path("p2"),opt);
+}
\ No newline at end of file
diff --git a/src/boost/libs/filesystem/test/issues/fchmodat_AT_SYMLINK_NOFOLLOW_6659.cpp b/src/boost/libs/filesystem/test/issues/fchmodat_AT_SYMLINK_NOFOLLOW_6659.cpp
new file mode 100644
index 00000000..e69f9ba2
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/fchmodat_AT_SYMLINK_NOFOLLOW_6659.cpp
@@ -0,0 +1,38 @@
+// Test program to demonstrate that Linux does not support AT_SYMLINK_NOFOLLOW
+
+//  Copyright Duncan Exon Smith 2012
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+// Test this by running:
+//
+// rm -rf data && mkdir data && g++ -otest-fchmodat fchmodat_AT_SYMLINK_NOFOLLOW_6659.cpp && (cd data && ../test-fchmodat)
+//
+// If no assertions go off, then it looks like fchmodat is supported,
+// but AT_SYMLINK_NOFOLLOW is not supported.
+
+#include <fstream>
+#include <cassert>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <cerrno>
+
+#ifdef NDEBUG
+# error This program depends on assert() so makes no sense if NDEBUG is defined
+#endif
+
+int main(int argc, char *argv[])
+{
+    { std::ofstream file("out"); file << "contents"; }
+
+    assert(!::symlink("out", "sym"));
+
+    assert(!::fchmodat(AT_FDCWD, "out", S_IRUSR | S_IWUSR | S_IXUSR, 0));
+    assert(!::fchmodat(AT_FDCWD, "sym", S_IRUSR | S_IWUSR | S_IXUSR, 0));
+
+    assert(::fchmodat(AT_FDCWD, "sym", S_IRUSR | S_IWUSR | S_IXUSR, AT_SYMLINK_NOFOLLOW) == -1);
+    assert(errno == ENOTSUP);
+
+    return 0;
+}
diff --git a/src/boost/libs/filesystem/test/issues/hello_filesystem.cpp b/src/boost/libs/filesystem/test/issues/hello_filesystem.cpp
new file mode 100644
index 00000000..f98b2f71
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/hello_filesystem.cpp
@@ -0,0 +1,39 @@
+//  Boost hello_filesystem.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
+
+//--------------------------------------------------------------------------------------//
+//                                                                                      //
+//  In researching filesystem issues it is convenient to have a program that can be     //
+//  quickly modified to test reported problems. That's the purpose of this file and     //
+//  its associated Visual Studio and Boost.Build infrastructure.                        //
+//                                                                                      //
+//--------------------------------------------------------------------------------------//
+
+#include <boost/config/warning_disable.hpp>
+
+#include <boost/filesystem.hpp>
+
+#include <iostream>
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/detail/lightweight_main.hpp>
+
+using std::cout;
+using std::endl;
+namespace fs = boost::filesystem;
+
+//------------------------------------  cpp_main  --------------------------------------//
+
+int cpp_main(int argc, char* argv[])
+{
+  cout << "Hello, filesystem world" << endl;
+
+  BOOST_TEST(fs::exists("."));
+
+  return ::boost::report_errors();
+} // cpp_main
diff --git a/src/boost/libs/filesystem/test/issues/readme.txt b/src/boost/libs/filesystem/test/issues/readme.txt
new file mode 100644
index 00000000..cf8198e5
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/readme.txt
@@ -0,0 +1,9 @@
+This directory contains tests related to specific issues.
+
+The names are intended to indicate both the function or condition being tested
+and the issue number.
+
+-----
+Copyright Beman Dawes 2012
+Distributed under the Boost Software License, Version 1.0.
+See http://www.boost.org/LICENSE_1_0.txt
diff --git a/src/boost/libs/filesystem/test/issues/recurse_dir_iter_5403.cpp b/src/boost/libs/filesystem/test/issues/recurse_dir_iter_5403.cpp
new file mode 100644
index 00000000..7e7ab6c4
--- /dev/null
+++ b/src/boost/libs/filesystem/test/issues/recurse_dir_iter_5403.cpp
@@ -0,0 +1,132 @@
+//  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