qbool.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

/*
 * QBool Module
 *
 * Copyright (C) 2009 Red Hat Inc.
 *
 * Authors:
 *  Luiz Capitulino <lcapitulino@redhat.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2.  See
 * the COPYING file in the top-level directory.
 *
 * Copyright IBM, Corp. 2009
 *
 * Authors:
 *  Anthony Liguori   <aliguori@us.ibm.com>
 *
 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
 * See the COPYING.LIB file in the top-level directory.
 *
 */

#include "qbool.h"
#include "qobject.h"
#include "qemu-common.h"

static void qbool_destroy_obj(QObject *obj);

static const QType qbool_type = {
    .code = QTYPE_QBOOL,
    .destroy = qbool_destroy_obj,
};

/**
 * qbool_from_int(): Create a new QBool from an int
 *
 * Return strong reference.
 */
QBool *qbool_from_int(int value)
{
    QBool *qb;

    qb = qemu_malloc(sizeof(*qb));
    qb->value = value;
    QOBJECT_INIT(qb, &qbool_type);

    return qb;
}

/**
 * qbool_get_int(): Get the stored int
 */
int qbool_get_int(const QBool *qb)
{
    return qb->value;
}

/**
 * qobject_to_qbool(): Convert a QObject into a QBool
 */
QBool *qobject_to_qbool(const QObject *obj)
{
    if (qobject_type(obj) != QTYPE_QBOOL)
        return NULL;

    return container_of(obj, QBool, base);
}

/**
 * qbool_destroy_obj(): Free all memory allocated by a
 * QBool object
 */
static void qbool_destroy_obj(QObject *obj)
{
    assert(obj != NULL);
    qemu_free(qobject_to_qbool(obj));
}