[PATCH 1/1] command: allow runtime usage

[Robert Schwebel]

On Fri, Mar 13, 2015 at 09:42:22AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> this will allow as example to list the current supported digest
  ^                                            ^                 ^
  T                                            ly                .

Maybe you mean "This will for example allow to list the currently
supported digest."?

> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
>  common/command.c  | 2 ++
>  include/command.h | 3 +++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/common/command.c b/common/command.c
> index 61191c2..dc2cb88 100644
> --- a/common/command.c
> +++ b/common/command.c
> @@ -47,6 +47,8 @@ void barebox_cmd_usage(struct command *cmdtp)
>  		puts(cmdtp->help);
>  		putchar('\n');
>  	}
> +	if (cmdtp->usage)
> +		cmdtp->usage();
>  #endif
>  }
>  EXPORT_SYMBOL(barebox_cmd_usage);
> diff --git a/include/command.h b/include/command.h
> index 5d5bf53..3aca1a9 100644
> --- a/include/command.h
> +++ b/include/command.h
> @@ -54,6 +54,7 @@ struct command {
>  	uint32_t	group;
>  #ifdef	CONFIG_LONGHELP
>  	const char	*help;		/* Help  message	(long)	*/
> +	void		(*usage)(void);
>  #endif
>  }
>  #ifdef __x86_64__
> @@ -115,8 +116,10 @@ static const __maybe_unused char cmd_##_name##_help[] =
>  
>  #ifdef CONFIG_LONGHELP
>  #define BAREBOX_CMD_HELP(text)	.help = text,
> +#define BAREBOX_CMD_USAGE(fn)	.usage = fn,
>  #else
>  #define BAREBOX_CMD_HELP(text)
> +#define BAREBOX_CMD_USAGE(fn)
>  #endif
>  
>  #define BAREBOX_CMD_GROUP(grp)	.group = grp,
> -- 
> 2.1.4
> 
> 
> _______________________________________________
> barebox mailing list
> barebox at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

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