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Re: [Qemu-devel] [PATCH 3/5] Add support for 'o' octet (bytes) format as


From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH 3/5] Add support for 'o' octet (bytes) format as monitor parameter.
Date: Tue, 28 Sep 2010 12:06:01 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

address@hidden writes:

> From: Jes Sorensen <address@hidden>
>
> Octet format relies on strtobytes which supports K/k, M/m, G/g, T/t
> suffixes and unit support for humans, like 1.3G
>
> Signed-off-by: Jes Sorensen <address@hidden>
> ---
>  monitor.c |   27 +++++++++++++++++++++++++++
>  1 files changed, 27 insertions(+), 0 deletions(-)
>
> diff --git a/monitor.c b/monitor.c
> index e602480..3630061 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -78,6 +78,11 @@
>   * 'l'          target long (32 or 64 bit)
>   * 'M'          just like 'l', except in user mode the value is
>   *              multiplied by 2^20 (think Mebibyte)
> + * 'o'          octets (aka bytes)
> + *              user mode accepts an optional T, t, G, g, M, m, K, k
> + *              suffix, which multiplies the value by 2^40 for
> + *              suffixes T and t, 2^30 for suffixes G and g, 2^20 for
> + *              M and m, 2^10 for K and k
>   * 'f'          double
>   *              user mode accepts an optional G, g, M, m, K, k suffix,
>   *              which multiplies the value by 2^30 for suffixes G and
> @@ -3594,6 +3599,28 @@ static const mon_cmd_t *monitor_parse_command(Monitor 
> *mon,
>                  qdict_put(qdict, key, qint_from_int(val));
>              }
>              break;
> +        case 'o':
> +            {
> +                int64_t val;
> +                char *end;
> +
> +                while (qemu_isspace(*p))
> +                    p++;
> +                if (*typestr == '?') {
> +                    typestr++;
> +                    if (*p == '\0') {
> +                        break;
> +                    }
> +                }
> +                val = strtobytes(p, &end);
> +                if (!val) {
> +                    monitor_printf(mon, "invalid size\n");
> +                    goto fail;
> +                }
> +                qdict_put(qdict, key, qint_from_int(val));
> +                p = end;
> +            }
> +            break;
>          case 'f':
>          case 'T':
>              {

This is incomplete, you need to update check_client_args_type() as
well.  Testing with QMP should have made that obvious.



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