Bug 2576 - FAT formatted disks can readily run out of space with multiple edits - wrong error message can be displayed

src/ProjectFileManager.cpp

@@ -269,6 +269,11 @@ bool ProjectFileManager::DoSave(const FilePath & fileName, const bool fromSaveAs
 
    // Some confirmation dialogs
    {
+      if (FileNames::FATFilesystemDenied(fileName))
+      {
+         return false;
+      }
+
       auto &tracks = TrackList::Get( proj );
       if (!tracks.Any())
       {
@@ -582,6 +587,16 @@ bool ProjectFileManager::SaveCopy(const FilePath &fileName /* = wxT("") */)
 
       filename.SetExt(wxT("aup3"));
 
+      if (FileNames::FATFilesystemDenied(filename.GetFullPath()))
+      {
+         if (project.mBatchMode)
+         {
+            return false;
+         }
+
+         continue;
+      }
+
       if (filename.FileExists())
       {
          // Saving a copy of the project should never overwrite an existing project.