Re: [Qemu-devel] [PATCH 10/15] vl: Make -machine $TYPE, help and -accel help print to stdout

[Marcel Apfelbaum <marcel.apfelbaum@gmail.com>]

Hi Markus,

On 4/8/19 11:36 AM, Markus Armbruster wrote:
> Command line help help explicitly requested by the user should be
> printed to stdout, not stderr.  We do elsewhere.  Adjust -machine
> $TYPE,help and -accel help to match: use printf() instead of
> error_printf().
>
> Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
>   vl.c | 10 +++++-----
>   1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/vl.c b/vl.c
> index c696ad2a13..792ef36001 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -1556,12 +1556,12 @@ static int machine_help_func(QemuOpts *opts, MachineState *machine)
>               continue;
>           }
>   
> -        error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
> -                     prop->name, prop->type);
> +        printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
> +                    prop->name, prop->type);

Does the line above have an alignment issue?

Anyway,

Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>

Thanks,
Marcel

>           if (prop->description) {
> -            error_printf(" (%s)\n", prop->description);
> +            printf(" (%s)\n", prop->description);
>           } else {
> -            error_printf("\n");
> +            printf("\n");
>           }
>       }
>   
> @@ -3643,7 +3643,7 @@ int main(int argc, char **argv, char **envp)
>                                                        optarg, true);
>                   optarg = qemu_opt_get(accel_opts, "accel");
>                   if (!optarg || is_help_option(optarg)) {
> -                    error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
> +                    printf("Possible accelerators: kvm, xen, hax, tcg\n");
>                       exit(0);
>                   }
>                   opts = qemu_opts_create(qemu_find_opts("machine"), NULL,