From 02db5d47999fe1d8ea463de0b6b9892eee7dfcca Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Thu, 5 Dec 2019 16:14:37 +0100
Subject: [PATCH] Fix for Fl_Native_File_Chooser under macOS 10.15 Catalina and
 in BROWSE_SAVE_FILE mode

---
 src/Fl_Native_File_Chooser_MAC.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Fl_Native_File_Chooser_MAC.mm b/src/Fl_Native_File_Chooser_MAC.mm
index 67e68681d..c84fa7d1b 100644
--- a/src/Fl_Native_File_Chooser_MAC.mm
+++ b/src/Fl_Native_File_Chooser_MAC.mm
@@ -350,7 +350,7 @@ int Fl_Native_File_Chooser::get_saveas_basename(void) {
     if (strcmp(d, "/") == 0) l = 1;
     int lu = strlen(UNLIKELYPREFIX);
     // Remove UNLIKELYPREFIX between directory and filename parts
-    memmove(q + l, q + l + lu, strlen(q + l + lu) + 1);
+    if (memcmp(q+l, UNLIKELYPREFIX, lu) == 0) memmove(q + l, q + l + lu, strlen(q + l + lu) + 1);
   }
   set_single_pathname( q );
   free(q);