Merge from emacs--rel--22

[gnu-emacs] / src / macselect.c

diff --git a/src/macselect.c b/src/macselect.c
index 56efd4969456f5477b2a17e428ad1ad37df65864..51a30e3a6b501a15e831b1e174d0677864140947 100644 (file)
--- a/src/macselect.c
+++ b/src/macselect.c
@@ -491,7 +491,7 @@ x_own_selection (selection_name, selection_value)
     if (!NILP (prev_value))
       {
        Lisp_Object rest;       /* we know it's not the CAR, so it's easy.  */
-       for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest))
+       for (rest = Vselection_alist; CONSP (rest); rest = XCDR (rest))
          if (EQ (prev_value, Fcar (XCDR (rest))))
            {
              XSETCDR (rest, Fcdr (XCDR (rest)));
@@ -623,7 +623,7 @@ x_clear_frame_selections (f)
     }
 
   /* Delete elements after the beginning of Vselection_alist.  */
-  for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest))
+  for (rest = Vselection_alist; CONSP (rest); rest = XCDR (rest))
     if (EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (XCDR (rest))))))))
       {
        /* Let random Lisp code notice that the selection has been stolen.  */
@@ -766,7 +766,7 @@ Disowning it means there is no such selection.  */)
   else
     {
       Lisp_Object rest;
-      for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest))
+      for (rest = Vselection_alist; CONSP (rest); rest = XCDR (rest))
        if (EQ (local_selection_data, Fcar (XCDR (rest))))
          {
            XSETCDR (rest, Fcdr (XCDR (rest)));