* macros.c (Fstart_kbd_macro): Use xmalloc.

Shrink the kbd macro buffer if it is very big.

1 files changed, 10 insertions, 4 deletions

diff --git a/src/macros.c b/src/macros.c
index 67c8ede6d4a..e63ea2be2e2 100644
--- a/src/macros.c
+++ b/src/macros.c
@@ -51,18 +51,24 @@ Non-nil arg (prefix arg) means append to last macro defined;\n\
     {
       current_kboard->kbd_macro_bufsize = 30;
       current_kboard->kbd_macro_buffer
-        = (Lisp_Object *)malloc (30 * sizeof (Lisp_Object));
+        = (Lisp_Object *)xmalloc (30 * sizeof (Lisp_Object));
     }
   update_mode_lines++;
   if (NILP (append))
     {
+      if (current_kboard->kbd_macro_bufsize > 200)
+        {
+          current_kboard->kbd_macro_bufsize = 30;
+          current_kboard->kbd_macro_buffer
+            = (Lisp_Object *)xrealloc (30 * sizeof (Lisp_Object));
+        }
       current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_buffer;
       current_kboard->kbd_macro_end = current_kboard->kbd_macro_buffer;
-      message("Defining kbd macro...");
+      message ("Defining kbd macro...");
     }
   else
     {
-      message("Appending to kbd macro...");
+      message ("Appending to kbd macro...");
       current_kboard->kbd_macro_ptr = current_kboard->kbd_macro_end;
       Fexecute_kbd_macro (current_kboard->Vlast_kbd_macro,
                           make_number (1));
@@ -101,7 +107,7 @@ An argument of zero means repeat until error.")
         = make_event_array ((current_kboard->kbd_macro_end
                              - current_kboard->kbd_macro_buffer),
                             current_kboard->kbd_macro_buffer);
-      message("Keyboard macro defined");
+      message ("Keyboard macro defined");
     }
 
   if (XFASTINT (repeat) == 0)