[PATCH 1/2] Add cls command

[Joe Auricchio]

* commands/minicmd.c: Add cls command.

It's nice to clear the screen once in a while, after a lot of messing
around in the command line.

-joe

--- a/commands/minicmd.c        2009-07-07 16:58:05.000000000 -0700
+++ b/commands/minicmd.c        2009-07-22 15:43:30.000000000 -0700
@@ -336,8 +336,19 @@
  return 0;
}

+/* cls */
+static grub_err_t
+grub_mini_cmd_cls (struct grub_command *cmd __attribute__ ((unused)),
+                  int argc __attribute__ ((unused)),
+                  char *argv[] __attribute__ ((unused)))
+{
+  grub_cls ();
+  return 0;
+}
+
static grub_command_t cmd_cat, cmd_help, cmd_root;
static grub_command_t cmd_dump, cmd_rmmod, cmd_lsmod, cmd_exit;
+static grub_command_t cmd_cls;

GRUB_MOD_INIT(minicmd)
{
@@ -362,6 +373,9 @@
  cmd_exit =
    grub_register_command ("exit", grub_mini_cmd_exit,
                           0, "exit from GRUB");
+  cmd_cls =
+    grub_register_command ("cls", grub_mini_cmd_cls,
+                          0, "clear the screen");
}

GRUB_MOD_FINI(minicmd)
@@ -373,4 +387,5 @@
  grub_unregister_command (cmd_rmmod);
  grub_unregister_command (cmd_lsmod);
  grub_unregister_command (cmd_exit);
+  grub_unregister_command (cmd_cls);
}