[RFA 12/23] More uses of scoped_restore

[Pedro Alves]

On 05/03/2017 11:46 PM, Tom Tromey wrote:

> @@ -8635,7 +8614,8 @@ remote_serial_write (const char *str, int len)
>    struct remote_state *rs = get_remote_state ();
>    struct cleanup *old_chain;

This cleanup variable can be removed.

>  
> -  old_chain = make_cleanup_override_quit_handler (remote_serial_quit_handler);
> +  scoped_restore restore_quit
> +    = make_scoped_restore (&quit_handler, remote_serial_quit_handler);
>  
>    rs->got_ctrlc_during_io = 0;
>  


> @@ -56,12 +47,11 @@ exec_reverse_once (const char *cmd, char *args, int from_tty)
>    if (!target_can_execute_reverse)
>      error (_("Target %s does not support this command."), target_shortname);
>  
> -  reverse_command = xstrprintf ("%s %s", cmd, args ? args : "");
> -  old_chain = make_cleanup (exec_direction_default, NULL);
> -  make_cleanup (xfree, reverse_command);
> +  std::string reverse_command = string_printf ("%s %s", cmd, args ? args : "");
> +  scoped_restore restore_exec_dir
> +    = make_scoped_restore (&execution_direction, EXEC_REVERSE);
>    execution_direction = EXEC_REVERSE;

This assignment is now unnecessary.

OK with those changes.

Thanks,
Pedro Alves