Re: [PATCH 06/12] mkfs: create get/set functions for opts table

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On Sun, Apr 23, 2017 at 08:54:57PM +0200, Jan Tulak wrote:
> Add functions that can be used to get/set values to opts table.
> 
> Signed-off-by: Jan Tulak <jtulak@xxxxxxxxxx>
> 
> ---
>  mkfs/xfs_mkfs.c | 32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
> index c2ffd91..4caf93c 100644
> --- a/mkfs/xfs_mkfs.c
> +++ b/mkfs/xfs_mkfs.c
> @@ -786,6 +786,38 @@ get_conf_raw(int opt, int subopt)
>  	return opts[opt].subopt_params[subopt].raw_input;
>  }
>  
> +static uint64_t getnum(const char *str, struct opt_params *opts, int index);

Why not just move getnum() above here. Forward declarations IMHO should not be
needed unless we have odd inclusion issues and I don't think that's the case
here ?

> +
> +/*
> + * Get and set values to the opts table.
> + */
> +static inline uint64_t
> +get_conf_val(int opt, int subopt)
> +{
> +	return opts[opt].subopt_params[subopt].value;
> +}
> +
> +static void
> +set_conf_val(int opt, int subopt, uint64_t val)
> +{
> +	struct subopt_param *sp = &opts[opt].subopt_params[subopt];
> +
> +	sp->value = val;
> +}
> +
> +/*
> + * A wrapper for getnum and set_conf_val.
> + */
> +static inline uint64_t
> +parse_conf_val(int opt, int subopt, char *value)
> +{
> +	uint64_t num = getnum(value, &opts[opt], subopt);
> +
> +	set_conf_val(opt, subopt, num);
> +	return num;
> +}

Very nice thanks!

  Luis
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