From b9385118bd43cf19c601075a55531e06244b3402 Mon Sep 17 00:00:00 2001
From: harry <hrosen2016@gmail.com>
Date: Sat, 21 Jan 2023 12:11:41 -0500
Subject: [PATCH] Further protect against overlapping string copy by checking
 if pointers are different... just to be sure it is safe.

---
 src/movie.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/movie.cpp b/src/movie.cpp
index c50598ea..2fa47125 100644
--- a/src/movie.cpp
+++ b/src/movie.cpp
@@ -807,7 +807,10 @@ static EMUFILE *openRecordingMovie(const char* fname)
 		FCEU_PrintError("Error opening movie output file: %s", fname);
 		return NULL;
 	}
-	curMovieFilename.assign(fname);
+	if ( fname != curMovieFilename.c_str() )
+	{
+		curMovieFilename.assign(fname);
+	}
 
 	return osRecordingMovie;
 }