* window.c: Fix minor problems reported by GCC 4.6.0.

(window_deletion_count, delete_deletable_window): Remove; unused.
(window_body_lines): Now static.
(Fdelete_other_windows_internal): Mark vars as initialized.
Make sure 'resize_failed' is initialized.
(run_window_configuration_change_hook): Rename local to avoid shadowing.
(resize_window_apply): Remove unused local.
* window.h (delete_deletable_window): Remove decl.

3 files changed, 18 insertions, 21 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 18f06347c43..60669c3719c 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,14 @@
 2011-06-10  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* window.c: Fix minor problems reported by GCC 4.6.0.
+	(window_deletion_count, delete_deletable_window): Remove; unused.
+	(window_body_lines): Now static.
+	(Fdelete_other_windows_internal): Mark vars as initialized.
+	Make sure 'resize_failed' is initialized.
+	(run_window_configuration_change_hook): Rename local to avoid shadowing.
+	(resize_window_apply): Remove unused local.
+	* window.h (delete_deletable_window): Remove decl.
+
 	* image.c: Fix minor problems reported by GCC 4.6.0.
 	(gif_load, svg_load_image): Rename locals to avoid shadowing.
 	(imagemagick_load_image): Fix pointer signedness problem by changing
diff --git a/src/window.c b/src/window.c
index 265dafa6b80..3e43d8386b6 100644
--- a/src/window.c
+++ b/src/window.c
@@ -121,9 +121,6 @@ static int window_initialized;
 /* Hook to run when window config changes.  */
 static Lisp_Object Qwindow_configuration_change_hook;
 
-/* Incremented by 1 whenever a window is deleted.  */
-static int window_deletion_count;
-
 /* Used by the function window_scroll_pixel_based */
 static int window_scroll_pixel_based_preserve_x;
 static int window_scroll_pixel_based_preserve_y;
@@ -614,7 +611,7 @@ WINDOW can be any window and defaults to the selected one.  */)
 /* Return the number of lines of W's body.  Don't count any mode or
    header line of W.  */
 
-int
+static int
 window_body_lines (struct window *w)
 {
   int height = XFASTINT (w->total_lines);
@@ -1974,14 +1971,6 @@ recombine_windows (Lisp_Object window)
 	}
     }
 }
-
-/* If WINDOW can be deleted, delete it.  */
-Lisp_Object
-delete_deletable_window (Lisp_Object window)
-{
-  if (!NILP (call1 (Qwindow_deletable_p, window)))
-    call1 (Qdelete_window, window);
-}
 
 /***********************************************************************
 			     Window List
@@ -2669,9 +2658,9 @@ window-start value is reasonable when this function is called.  */)
 {
   struct window *w, *r, *s;
   struct frame *f;
-  Lisp_Object sibling, pwindow, swindow, delta;
-  EMACS_INT startpos;
-  int top, new_top, resize_failed;
+  Lisp_Object sibling, pwindow, swindow IF_LINT (= Qnil), delta;
+  EMACS_INT startpos IF_LINT (= 0);
+  int top IF_LINT (= 0), new_top, resize_failed;
 
   w = decode_any_window (window);
   XSETWINDOW (window, w);
@@ -2757,10 +2746,10 @@ window-start value is reasonable when this function is called.  */)
   windows_or_buffers_changed++;
   Vwindow_list = Qnil;
   FRAME_WINDOW_SIZES_CHANGED (f) = 1;
+  resize_failed = 0;
 
   if (NILP (w->buffer))
     {
-      resize_failed = 0;
       /* Resize subwindows vertically.  */
       XSETINT (delta, XINT (r->total_lines) - XINT (w->total_lines));
       w->top_line = r->top_line;
@@ -3078,12 +3067,12 @@ run_window_configuration_change_hook (struct frame *f)
 	if (!NILP (Flocal_variable_p (Qwindow_configuration_change_hook,
 				      buffer)))
 	  {
-	    int count = SPECPDL_INDEX ();
+	    int inner_count = SPECPDL_INDEX ();
 	    record_unwind_protect (select_window_norecord, Fselected_window ());
 	    select_window_norecord (window);
 	    run_funs (Fbuffer_local_value (Qwindow_configuration_change_hook,
 					   buffer));
-	    unbind_to (count, Qnil);
+	    unbind_to (inner_count, Qnil);
 	  }
       }
   }
@@ -3617,7 +3606,7 @@ resize_window_check (struct window *w, int horflag)
 static void
 resize_window_apply (struct window *w, int horflag)
 {
-  struct window *c, *p;
+  struct window *c;
   int pos;
 
   /* Note: Assigning new_normal requires that the new total size of the
@@ -3809,7 +3798,7 @@ resize_frame_windows (struct frame *f, int size, int horflag)
 DEFUN ("split-window-internal", Fsplit_window_internal, Ssplit_window_internal, 4, 4, 0,
        doc: /* Split window OLD.
 Second argument TOTAL-SIZE specifies the number of lines or columns of the
-new window.  In any case TOTAL-SIZE must be a positive integer 
+new window.  In any case TOTAL-SIZE must be a positive integer
 
 Third argument SIDE nil (or `below') specifies that the new window shall
 be located below WINDOW.  SIDE `above' means the new window shall be
diff --git a/src/window.h b/src/window.h
index 236464775d3..87d0dc8fb23 100644
--- a/src/window.h
+++ b/src/window.h
@@ -925,7 +925,6 @@ extern void syms_of_window (void);
 extern void keys_of_window (void);
 extern void resize_frame_windows (struct frame *, int, int);
 extern int resize_window_check (struct window *, int);
-extern Lisp_Object delete_deletable_window (Lisp_Object);
 extern Lisp_Object resize_root_window (Lisp_Object, Lisp_Object, Lisp_Object,
 				       Lisp_Object);