blob: 447e847af3d9f5aacd68374fbb2d0f28cc0ac06f [file] [log] [blame]
Luiz Capitulino6b8d1ec2009-08-28 15:27:05 -03001/*
2 * QInt data type.
3 *
4 * Copyright (C) 2009 Red Hat Inc.
5 *
6 * Authors:
7 * Luiz Capitulino <lcapitulino@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 */
12#include "qint.h"
13#include "qobject.h"
14#include "qemu-common.h"
15
Blue Swirlaa43d9c2009-09-04 17:43:37 +000016static void qint_destroy_obj(QObject *obj);
17
18static const QType qint_type = {
19 .code = QTYPE_QINT,
20 .destroy = qint_destroy_obj,
21};
Luiz Capitulino6b8d1ec2009-08-28 15:27:05 -030022
23/**
24 * qint_from_int(): Create a new QInt from an int64_t
25 *
26 * Return strong reference.
27 */
28QInt *qint_from_int(int64_t value)
29{
30 QInt *qi;
31
32 qi = qemu_malloc(sizeof(*qi));
33 qi->value = value;
34 QOBJECT_INIT(qi, &qint_type);
35
36 return qi;
37}
38
39/**
40 * qint_get_int(): Get the stored integer
41 */
42int64_t qint_get_int(const QInt *qi)
43{
44 return qi->value;
45}
46
47/**
48 * qobject_to_qint(): Convert a QObject into a QInt
49 */
50QInt *qobject_to_qint(const QObject *obj)
51{
52 if (qobject_type(obj) != QTYPE_QINT)
53 return NULL;
54
55 return container_of(obj, QInt, base);
56}
57
58/**
59 * qint_destroy_obj(): Free all memory allocated by a
60 * QInt object
61 */
62static void qint_destroy_obj(QObject *obj)
63{
64 assert(obj != NULL);
65 qemu_free(qobject_to_qint(obj));
66}