From f4a3a8c96b85a3dae9fd6bf18523fee6b6675272 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Mon, 27 Jun 1994 20:44:08 +0000
Subject: [PATCH] (a_write): Verify that *annot is a cons.

---
 src/fileio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fileio.c b/src/fileio.c
index 08632ab1ff8..0a04f713d7b 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -3296,7 +3296,7 @@ a_write (desc, addr, len, pos, annot)
   int nextpos;
   int lastpos = pos + len;
 
-  while (1)
+  while (CONSP (*annot))
     {
       tem = Fcar_safe (Fcar (*annot));
       if (INTEGERP (tem) && XINT (tem) >= pos && XFASTINT (tem) <= lastpos)
-- 
2.39.5