+int
+remove_directory_internal (const string& dir, size_t* size, vector<string>* paths,
+ bool just_remove_files)
+{
+ vector<string> tmp_paths;
+ GStatBuf statbuf;
+ int ret = 0;
+
+ get_paths (tmp_paths, dir, just_remove_files, true);
+
+ for (vector<string>::const_iterator i = tmp_paths.begin();
+ i != tmp_paths.end(); ++i) {
+
+ if (g_stat (i->c_str(), &statbuf)) {
+ continue;
+ }
+
+ if (::g_remove (i->c_str())) {
+ error << string_compose (_("cannot remove path %1 (%2)"), *i, strerror (errno))
+ << endmsg;
+ ret = 1;
+ continue;
+ }
+
+ if (paths) {
+ paths->push_back (Glib::path_get_basename(*i));
+ }
+
+ // statbuf.st_size is off_t
+ if (size && statbuf.st_size > 0) {
+ *size += statbuf.st_size;
+ }
+
+ }
+
+ return ret;
+}
+
+int
+clear_directory (const string& dir, size_t* size, vector<string>* paths)
+{
+ return remove_directory_internal (dir, size, paths, true);
+}
+
+// rm -rf <dir> -- used to remove saved plugin state
+void
+remove_directory (const std::string& dir)
+{
+ remove_directory_internal (dir, 0, 0, false);
+ g_rmdir (dir.c_str());
+}
+
+string
+tmp_writable_directory (const char* domain, const string& prefix)
+{
+ std::string tmp_dir = Glib::build_filename (g_get_tmp_dir(), domain);
+ std::string dir_name;
+ std::string new_test_dir;
+ do {
+ ostringstream oss;
+ oss << prefix;
+ oss << g_random_int ();
+ dir_name = oss.str();
+ new_test_dir = Glib::build_filename (tmp_dir, dir_name);
+ if (Glib::file_test (new_test_dir, Glib::FILE_TEST_EXISTS)) continue;
+ } while (g_mkdir_with_parents (new_test_dir.c_str(), 0755) != 0);
+ return new_test_dir;
+}
+
+int
+toggle_file_existence (string const & path)
+{
+ if (Glib::file_test (path, Glib::FILE_TEST_IS_REGULAR)) {
+ return g_unlink (path.c_str());
+ }
+
+ PBD::ScopedFileDescriptor fd = g_open (path.c_str(), O_CREAT|O_TRUNC|O_RDWR, 0666);
+ return !((int) fd >= 0);
+}
+