* src/main.c (clean_up): use list_size not rp_num_frame_undos

* src/globals.c: remove global var rp_num_frame_undos. All callers updated.

* src/actions.c (push_frame_undo): use list_size, not rp_num_frame_undos
(set_maxundos): likewise

4 files changed, 3 insertions, 7 deletions

diff --git a/src/actions.c b/src/actions.c
index 00f3962..4586e25 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -380,14 +380,13 @@ del_frame_undo (rp_frame_undo *u)
   if (u->frames) free (u->frames);
   list_del (&(u->node));
   free (u);
-  rp_num_frame_undos--;         /* decrement counter */
 }
 
 static void
 push_frame_undo(rp_screen *screen)
 {
   rp_frame_undo *cur;
-  if (rp_num_frame_undos > defaults.maxundos)
+  if (list_size (&rp_frame_undos) > defaults.maxundos)
     {
       /* Delete the oldest node */
       list_last (cur, &rp_frame_undos, node);
@@ -397,7 +396,6 @@ push_frame_undo(rp_screen *screen)
   cur->frames = fdump (screen);
   cur->screen = screen;
   list_add (&cur->node, &rp_frame_undos);
-  rp_num_frame_undos++;         /* increment counter */
   /* Since we're creating new frames the redo list is now invalid, so
      clear it. */
   clear_frame_redos();
@@ -4970,7 +4968,7 @@ set_maxundos (struct cmdarg **args)
   defaults.maxundos = ARG(0,number);
 
   /* Delete any superfluous undos */
-  while (rp_num_frame_undos > defaults.maxundos)
+  while (list_size (&rp_frame_undos) > defaults.maxundos)
     {
       /* Delete the oldest node */
       list_last (cur, &rp_frame_undos, node);
diff --git a/src/globals.c b/src/globals.c
index e9755dd..cff1646 100644
--- a/src/globals.c
+++ b/src/globals.c
@@ -253,7 +253,6 @@ set_window_focus (Window window)
 
 LIST_HEAD (rp_frame_undos);
 LIST_HEAD (rp_frame_redos);
-int rp_num_frame_undos = 0;
 
 void
 init_globals ()
diff --git a/src/globals.h b/src/globals.h
index 59561dc..a2d466f 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -163,7 +163,6 @@ extern struct numset *rp_frame_numset;
 
 extern struct list_head rp_frame_undos;
 extern struct list_head rp_frame_redos;
-extern int rp_num_frame_undos;
 
 /* Selection handling globals */
 extern rp_xselection selection;
diff --git a/src/main.c b/src/main.c
index 4d9a8ba..c3732e3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -740,7 +740,7 @@ clean_up ()
   free (screens);
 
   /* Delete the undo histories */
-  while (rp_num_frame_undos > 0)
+  while (list_size (&rp_frame_undos) > 0)
     {
       /* Delete the oldest node */
       rp_frame_undo *cur;