[Qemu-devel] Re: [PATCH 14/19] Add a query-argv command to QMP

[Paolo Bonzini]

On 06/07/2010 05:01 PM, Anthony Liguori wrote:
> On 06/07/2010 09:42 AM, Daniel P. Berrange wrote:
> > Add a new QMP command called 'query-argv' to information about the
> > command
> > line arguments supported by the QEMU binary. This is intended to
> > remove the
> > need for apps to parse '-help' output.
>
> This is just as bad as parsing -help output IMHO.
>
> The problem with something like this is that it discourages people from
> using proper APIs to get at capabilities information.

What about a query-qemuopts instead?  This has a well-defined schema 
and, while it won't let you get all arguments, going forward libvirt is 
going to try and use more qemuopts options and only the bare minimum 
legacy options (-incoming, -S).

Paolo