From 375a6a880323ca2d44bddeefb9d1eb7f0f74ace9 Mon Sep 17 00:00:00 2001
From: Leland Lucius <github@homerow.net>
Date: Sun, 3 Jan 2021 16:02:43 -0600
Subject: [PATCH] Bug 2604 - Saving a 4 hour stereo chirp to FAT fails and with
 an inappropriate error message

---
 src/ProjectFileManager.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/ProjectFileManager.cpp b/src/ProjectFileManager.cpp
index 54b4cd874..43dc21c14 100644
--- a/src/ProjectFileManager.cpp
+++ b/src/ProjectFileManager.cpp
@@ -299,6 +299,20 @@ bool ProjectFileManager::DoSave(const FilePath & fileName, const bool fromSaveAs
          return false;
    }
 
+   if (FileNames::IsOnFATFileSystem(fileName))
+   {
+      if (wxFileName::GetSize(projectFileIO.GetFileName()) > UINT32_MAX)
+      {
+         ShowErrorDialog(
+            &window,
+            XO("Error Saving Project"),
+            XO("The project exceeds the maximum size of 4GB when writing to a FAT32 formatted filesystem."),
+            "Error:_Unsuitable_drive#fat32"
+            );
+         return false;
+      }
+   }
+
    bool success = projectFileIO.SaveProject(fileName, mLastSavedTracks.get());
    if (!success)
    {