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https://github.com/yuzu-emu/unicorn.git
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b7aa91bc5c
We check that all members of the QLit dictionary are also in the QDict. We neglect to check the other direction. Comparing the number of members suffices, because QDict can't contain duplicate members, and putting duplicates in a QLit is a programming error. Backports commit 6da8a7a3b444211914418d2b3c7dc615d70a7d2d from qemu
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/*
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* QLit literal qobject
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*
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* Copyright IBM, Corp. 2009
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* Copyright (c) 2013, 2015, 2017 Red Hat Inc.
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Markus Armbruster <armbru@redhat.com>
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* Marc-André Lureau <marcandre.lureau@redhat.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/qmp/qbool.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qmp/qlist.h"
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#include "qapi/qmp/qlit.h"
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#include "qapi/qmp/qnum.h"
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#include "qapi/qmp/qobject.h"
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#include "qapi/qmp/qstring.h"
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typedef struct QListCompareHelper {
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int index;
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QLitObject *objs;
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bool result;
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} QListCompareHelper;
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static void compare_helper(QObject *obj, void *opaque)
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{
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QListCompareHelper *helper = opaque;
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if (!helper->result) {
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return;
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}
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if (helper->objs[helper->index].type == QTYPE_NONE) {
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helper->result = false;
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return;
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}
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helper->result =
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qlit_equal_qobject(&helper->objs[helper->index++], obj);
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}
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static bool qlit_equal_qdict(const QLitObject *lhs, const QDict *qdict)
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{
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int i;
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for (i = 0; lhs->value.qdict[i].key; i++) {
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QObject *obj = qdict_get(qdict, lhs->value.qdict[i].key);
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if (!qlit_equal_qobject(&lhs->value.qdict[i].value, obj)) {
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return false;
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}
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}
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/* Note: the literal qdict must not contain duplicates, this is
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* considered a programming error and it isn't checked here. */
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if (qdict_size(qdict) != i) {
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return false;
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}
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return true;
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}
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bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
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{
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if (!rhs || lhs->type != qobject_type(rhs)) {
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return false;
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}
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switch (lhs->type) {
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case QTYPE_QBOOL:
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return lhs->value.qbool == qbool_get_bool(qobject_to_qbool(rhs));
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case QTYPE_QNUM:
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return lhs->value.qnum == qnum_get_int(qobject_to_qnum(rhs));
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case QTYPE_QSTRING:
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return (strcmp(lhs->value.qstr,
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qstring_get_str(qobject_to_qstring(rhs))) == 0);
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case QTYPE_QDICT:
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return qlit_equal_qdict(lhs, qobject_to_qdict(rhs));
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case QTYPE_QLIST: {
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QListCompareHelper helper;
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helper.index = 0;
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helper.objs = lhs->value.qlist;
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helper.result = true;
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qlist_iter(qobject_to_qlist(rhs), compare_helper, &helper);
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return helper.result;
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}
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case QTYPE_QNULL:
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return true;
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default:
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break;
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}
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return false;
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}
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