From 1f4927cdce61b3905e45a11cb1cab04fe198f0e3 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Wed, 15 Jan 2020 00:39:55 +0100
Subject: [PATCH] Fixed a potential overrun in the ROM code.

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

diff --git a/src/rom.c b/src/rom.c
index 204fd0eee..17dd9ef8f 100644
--- a/src/rom.c
+++ b/src/rom.c
@@ -62,7 +62,10 @@ rom_fopen(wchar_t *fn, wchar_t *mode)
 {
     wchar_t temp[1024];
 
-    wcscpy(temp, exe_path);
+    if (wcslen(exe_path) <= 1024)
+	wcscpy(temp, exe_path);
+    else
+	wcsncpy(temp, exe_path, 1024);
     plat_put_backslash(temp);
     wcscat(temp, fn);