From: Paolo Bonzini <pbonzini@redhat.com>
To: Marcel Apfelbaum <marcel.a@redhat.com>, qemu-devel@nongnu.org
Cc: imammedo@redhat.com, peter.crosthwaite@xilinx.com,
afaerber@suse.de, anthony@codemonkey.ws, mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH] qom: add object_property_is_set
Date: Tue, 18 Feb 2014 17:51:35 +0100 [thread overview]
Message-ID: <53038F97.6070000@redhat.com> (raw)
In-Reply-To: <1392741987-6356-1-git-send-email-marcel.a@redhat.com>
Il 18/02/2014 17:46, Marcel Apfelbaum ha scritto:
> Sometimes is not enough to get property's value,
> but it is needed to know if the value was actually set.
>
> This is especially useful when querying bool properties
> and having different defaults on different scenarios.
I think this needs to go together with the use, so that I can understand
what exactly you need.
Is it because the bool property is "bool *" and thus cannot be set to
(for example) -1 to indicate the default value?
Paolo
next prev parent reply other threads:[~2014-02-18 16:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-18 16:46 [Qemu-devel] [PATCH] qom: add object_property_is_set Marcel Apfelbaum
2014-02-18 16:51 ` Paolo Bonzini [this message]
2014-02-18 17:11 ` Marcel Apfelbaum
2014-02-18 17:26 ` Paolo Bonzini
2014-02-18 17:49 ` Andreas Färber
2014-02-19 7:11 ` Marcel Apfelbaum
2014-02-19 7:03 ` Marcel Apfelbaum
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