Make MoveFileEx fail with ERROR_INVALID_PARAMETER (better than

crashing) when the source file operand is NULL.

Make MoveFileEx fail with ERROR_INVALID_PARAMETER (better than
72f40442 · Ove Kaaven · Alexandre Julliard · c766ea7b · 72f40442
Commit 72f40442 authored Oct 01, 2001 by Ove Kaaven Committed by Alexandre Julliard Oct 01, 2001
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--- 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 */