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481b002cc8
I'm going to fix the JSON parser to recognize null. The obvious representation of JSON null as (QObject *)NULL doesn't work, because the parser already uses it as an error value. Perhaps we should change it to free NULL for null, but that's more than I can do right now. Create a special null QObject instead. The existing QDict, QList, and QString all represent something that is a pointer in C and could therefore be associated with NULL. But right now, all three of these sub-types are always non-null once created, so the new null sentinel object is intentionally unrelated to them. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
30 lines
534 B
C
30 lines
534 B
C
/*
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* QNull
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*
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* Copyright (C) 2015 Red Hat, Inc.
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*
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* Authors:
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* Markus Armbruster <armbru@redhat.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1
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* or later. See the COPYING.LIB file in the top-level directory.
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*/
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#include "qemu-common.h"
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#include "qapi/qmp/qobject.h"
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static void qnull_destroy_obj(QObject *obj)
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{
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assert(0);
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}
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static const QType qnull_type = {
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.code = QTYPE_QNULL,
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.destroy = qnull_destroy_obj,
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};
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QObject qnull_ = {
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.type = &qnull_type,
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.refcnt = 1,
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};
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