viewer starts without Documents directory

Author: aseelegbaria

common/model-views.cpp

@@ -4436,9 +4436,10 @@ namespace rs2
                 int recording_setting = config_file::instance().get(configurations::record::file_save_mode);
                 std::string path = "";
                 std::string default_path = config_file::instance().get(configurations::record::default_path);
+                std::string tmp = default_path;
                 if (!ends_with(default_path, "/") && !ends_with(default_path, "\\")) default_path += "/";
                 std::string default_filename = rs2::get_timestamped_file_name() + ".bag";
-                if (recording_setting == 0)
+                if (recording_setting == 0 && !tmp.empty())
                 {
                     path = default_path + default_filename;
                 }

common/os.cpp

@@ -287,6 +287,11 @@ Some auxillary functionalities might be affected. Please report this message if
                 res = str;
                 res += "\\";
             }
+            else if ( f == user_documents)
+            {
+                std::string msg = "Failed to get Documents directory";
+                rs2::log(RS2_LOG_SEVERITY_INFO, msg.c_str());
+            }
             else
             {
                 throw std::runtime_error("Failed to get requested special folder");