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Re: [Qemu-devel] [PATCH v14 08/21] qapi: allow QObjectInputVisitor to be

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH v14 08/21] qapi: allow QObjectInputVisitor to be created with QemuOpts
Date: Fri, 30 Sep 2016 12:55:31 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0

On 09/30/2016 09:45 AM, Daniel P. Berrange wrote:
> Instead of requiring all callers to go through the mutli-step
> process of turning QemuOpts into a suitable QObject for visiting,
> add a new constructor that encapsulates this logic. This will
> allow QObjectInputVisitor to be a drop-in replacement for the
> existing OptsVisitor with minimal code changes for callers.
> NB, at this point it is only supporting opts syntax which
> explicitly matches the QAPI schema structure, so is not yet
> a true drop-in replacement for OptsVisitor. The patches that
> follow will add the special cases requird for full backwards


> compatibility with OptsVisitor.
> Signed-off-by: Daniel P. Berrange <address@hidden>
> ---

> +++ b/include/qemu/option.h
> @@ -125,7 +125,7 @@ void qemu_opts_set_defaults(QemuOptsList *list, const 
> char *params,
>                              int permit_abbrev);
>  QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict,
>                                 Error **errp);
> -QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict);
> +QDict *qemu_opts_to_qdict(const QemuOpts *opts, QDict *qdict);
>  void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp);

Should the const-correctness of this parameter be hoisted to any earlier
patch?  But here is fine, as the first place where the compiler requires it.

Reviewed-by: Eric Blake <address@hidden>

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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