From 72f404421c24ea74295f011a90c40e75f448796d Mon Sep 17 00:00:00 2001
From: Ove Kaaven <ovek@transgaming.com>
Date: Mon, 1 Oct 2001 20:52:00 +0000
Subject: [PATCH] Make MoveFileEx fail with ERROR_INVALID_PARAMETER (better
 than crashing) when the source file operand is NULL.

---
 files/file.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/files/file.c b/files/file.c
index 9c8d11554cb..0993492f398 100644
--- a/files/file.c
+++ b/files/file.c
@@ -2006,6 +2006,11 @@ BOOL WINAPI MoveFileExA( LPCSTR fn1, LPCSTR fn2, DWORD flag )
 
     TRACE("(%s,%s,%04lx)\n", fn1, fn2, flag);
 
+    if (!fn1) {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+
     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
 
     if (fn2)  /* !fn2 means delete fn1 */