Safely run window size change functions

* src/window.c (run_window_size_change_functions): Use
safe_call1 when running a size change function.
(grow_mini_window, shrink_mini_window): Report error when
minibuffer window cannot be resized.

diff --git a/src/window.c b/src/window.c
index 77a43b739ce47e5f2018d5c2f2f8cd4f9aad85d3..8c76c1f9975d4ecd833c2a740934ea994745cc65 100644 (file)
--- a/src/window.c
+++ b/src/window.c
@@ -3319,7 +3319,7 @@ run_window_size_change_functions (Lisp_Object frame)
       while (CONSP (functions))
        {
          if (!EQ (XCAR (functions), Qt))
-           call1 (XCAR (functions), frame);
+           safe_call1 (XCAR (functions), frame);
          functions = XCDR (functions);
        }
 
@@ -4619,6 +4619,9 @@ grow_mini_window (struct window *w, int delta, bool pixelwise)
          adjust_frame_glyphs (f);
          unblock_input ();
        }
+      else
+       error ("Failed to grow minibuffer window");
+
     }
 }
 
@@ -4662,6 +4665,8 @@ shrink_mini_window (struct window *w, bool pixelwise)
         one window frame here.  The same routine will be needed when
         shrinking the frame (and probably when making the initial
         *scratch* window).  For the moment leave things as they are.  */
+      else
+       error ("Failed to shrink minibuffer window");
     }
 }