Re: [Qemu-devel] [PATCH v4 10/28] qmp: Improve QMP dispatch error messages

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Hi Markus,

On 03/03/2017 09:32 AM, Markus Armbruster wrote:
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> ---
>  qapi/qmp-dispatch.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
> index 23b0528..578c6d8 100644
> --- a/qapi/qmp-dispatch.c
> +++ b/qapi/qmp-dispatch.c
> @@ -30,7 +30,7 @@ static QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
>
>      dict = qobject_to_qdict(request);
>      if (!dict) {
> -        error_setg(errp, "Expected '%s' in QMP input", "object");
> +        error_setg(errp, "QMP input must be a JSON object");
>          return NULL;
>      }
>
> @@ -41,15 +41,17 @@ static QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
>
>          if (!strcmp(arg_name, "execute")) {
>              if (qobject_type(arg_obj) != QTYPE_QSTRING) {
> -                error_setg(errp, "QMP input object member '%s' expects '%s'",
> -                           "execute", "string");
> +                error_setg(errp,
> +                           "QMP input object member '%s' must be %s",
> +                           "execute", "a string");

let's avoid formatting like the rest of this patch.

>                  return NULL;
>              }
>              has_exec_key = true;
>          } else if (!strcmp(arg_name, "arguments")) {
>              if (qobject_type(arg_obj) != QTYPE_QDICT) {
> -                error_setg(errp, "QMP input object member '%s' expects '%s'",
> -                           "arguments", "object");
> +                error_setg(errp,
> +                           "QMP input object member '%s' must be %s",
> +                           "arguments", "an object");

same.

>                  return NULL;
>              }
>          } else {
> @@ -60,7 +62,7 @@ static QDict *qmp_dispatch_check_obj(const QObject *request, Error **errp)
>      }
>
>      if (!has_exec_key) {
> -        error_setg(errp, "Expected '%s' in QMP input", "execute");
> +        error_setg(errp, "QMP input object lacks key 'execute'");
>          return NULL;
>      }
>
>