Re: [PATCH 01/40] lib/string_helpers: Drop space in string_get_size's output

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On Mon, 01 May 2023, Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:
> From: Kent Overstreet <kent.overstreet@xxxxxxxxx>
>
> Previously, string_get_size() outputted a space between the number and
> the units, i.e.
>   9.88 MiB
>
> This changes it to
>   9.88MiB
>
> which allows it to be parsed correctly by the 'sort -h' command.

The former is easier for humans to parse, and that should be
preferred. 'sort -h' is supposed to compare "human readable numbers", so
arguably sort does not do its job here.

BR,
Jani.

>
> Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
> Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> Cc: Andy Shevchenko <andy@xxxxxxxxxx>
> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
> Cc: Jason Wang <jasowang@xxxxxxxxxx>
> Cc: "Noralf Trønnes" <noralf@xxxxxxxxxxx>
> Cc: Jens Axboe <axboe@xxxxxxxxx>
> ---
>  lib/string_helpers.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/lib/string_helpers.c b/lib/string_helpers.c
> index 230020a2e076..593b29fece32 100644
> --- a/lib/string_helpers.c
> +++ b/lib/string_helpers.c
> @@ -126,8 +126,7 @@ void string_get_size(u64 size, u64 blk_size, const enum string_size_units units,
>  	else
>  		unit = units_str[units][i];
>  
> -	snprintf(buf, len, "%u%s %s", (u32)size,
> -		 tmp, unit);
> +	snprintf(buf, len, "%u%s%s", (u32)size, tmp, unit);
>  }
>  EXPORT_SYMBOL(string_get_size);

-- 
Jani Nikula, Intel Open Source Graphics Center





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