On 09/07/2018 02:59 AM, Marc-André Lureau wrote:
QDev options accept 'help' (or '?', but that's problematic with shell
globing) in the list of parameters, which is handy to list the

s/globing/globbing/

available options.

Unfortunately, this isn't built in QemuOpts. qemu_opts_parse_noisily()
seems to be the common path for command line options, so place a
fallback to print help, listing the available options.

This is quite handy, for example with qemu "-spice help".

Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
---
  util/qemu-option.c | 33 ++++++++++++++++++++++-----------
  1 file changed, 22 insertions(+), 11 deletions(-)


R-b still stands.

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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