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From: Max Reitz <mreitz@redhat.com>
Message-ID: <f60b8f1e-979b-4af9-7b48-a691c1937f6a@redhat.com>
Date: Mon, 3 Dec 2018 17:30:10 +0100
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Subject: [Qemu-devel] QMP accepts double dict keys
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To: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>

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From: Max Reitz <mreitz@redhat.com>
To: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
 Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>
Message-ID: <f60b8f1e-979b-4af9-7b48-a691c1937f6a@redhat.com>
Subject: QMP accepts double dict keys
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Hi,

QMP accepts double keys in dicts without complaining.  The value it is
using is apparently the last one specified:

$ qemu-system-x86_64 -qmp stdio
{"QMP": {"version": {"qemu": {"micro": 93, "minor": 0, "major": 3},
"package": "v3.1.0-rc3-7-g87a45d86ed"}, "capabilities": []}}
{'execute':'qmp_capabilities'}
{"return": {}}
{'execute':'blockdev-add','arguments':{'driver':'null-co',
 'node-name':'foo','node-name':'bar'}}
{"return": {}}
{'execute':'query-named-block-nodes'}
{"return": [{ [...] "node-name": "bar" [...] }]}

Another test case is iotest 229 which specifies both mode=3Dabsolute-path=
s
and mode=3Dexisting (it wants the latter).

Max


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