Fixed a potential overrun in the ROM code.

2020-01-15 00:39:55 +01:00
parent 2b5425de79
commit 1f4927cdce
1 changed files with 4 additions and 1 deletions
--- 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);