Re: [PATCH 1/4] terminal: use flags for save_term()

["Ævar Arnfjörð Bjarmason" <avarab@gmail.com>]

On Fri, Mar 04 2022, Phillip Wood wrote:

> From: Phillip Wood <phillip.wood@dunelm.org.uk>
>
> The next commit will add another flag in addition to the existing
> full_duplex so change the function signature to take an unsigned flags
> argument. Also alter the functions that call save_term() so that they
> can pass flags down to it.
>
> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
> ---
>  compat/terminal.c | 41 +++++++++++++++++++++--------------------
>  compat/terminal.h |  5 ++++-
>  2 files changed, 25 insertions(+), 21 deletions(-)
>
> diff --git a/compat/terminal.c b/compat/terminal.c
> index d882dfa06e..bad8e04cd8 100644
> --- a/compat/terminal.c
> +++ b/compat/terminal.c
> @@ -34,7 +34,7 @@ void restore_term(void)
>  	sigchain_pop_common();
>  }
>  
> -int save_term(int full_duplex)
> +int save_term(unsigned flags)

Doing e.g.  ...

>  void restore_term(void)
> diff --git a/compat/terminal.h b/compat/terminal.h
> index 0fb9fa147c..f24b91390d 100644
> --- a/compat/terminal.h
> +++ b/compat/terminal.h
> @@ -1,14 +1,17 @@
>  #ifndef COMPAT_TERMINAL_H
>  #define COMPAT_TERMINAL_H
>  
> +/* Save input and output settings */
> +#define SAVE_TERM_DUPLEX (1u << 0)
	
	enum save_terminal_flags {
		SAVE_TERMINAL_FLAGS = 1 << 0,
	};
	
Here would be better IMO. See 3f9ab7ccdea (parse-options.[ch]:
consistently use "enum parse_opt_flags", 2021-10-08) for how it makes
debugging better.