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1 | /* |
2 | * QInt data type. | |
3 | * | |
4 | * Copyright (C) 2009 Red Hat Inc. | |
5 | * | |
6 | * Authors: | |
7 | * Luiz Capitulino <[email protected]> | |
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 | ||
16 | static const QType qint_type; | |
17 | ||
18 | /** | |
19 | * qint_from_int(): Create a new QInt from an int64_t | |
20 | * | |
21 | * Return strong reference. | |
22 | */ | |
23 | QInt *qint_from_int(int64_t value) | |
24 | { | |
25 | QInt *qi; | |
26 | ||
27 | qi = qemu_malloc(sizeof(*qi)); | |
28 | qi->value = value; | |
29 | QOBJECT_INIT(qi, &qint_type); | |
30 | ||
31 | return qi; | |
32 | } | |
33 | ||
34 | /** | |
35 | * qint_get_int(): Get the stored integer | |
36 | */ | |
37 | int64_t qint_get_int(const QInt *qi) | |
38 | { | |
39 | return qi->value; | |
40 | } | |
41 | ||
42 | /** | |
43 | * qobject_to_qint(): Convert a QObject into a QInt | |
44 | */ | |
45 | QInt *qobject_to_qint(const QObject *obj) | |
46 | { | |
47 | if (qobject_type(obj) != QTYPE_QINT) | |
48 | return NULL; | |
49 | ||
50 | return container_of(obj, QInt, base); | |
51 | } | |
52 | ||
53 | /** | |
54 | * qint_destroy_obj(): Free all memory allocated by a | |
55 | * QInt object | |
56 | */ | |
57 | static void qint_destroy_obj(QObject *obj) | |
58 | { | |
59 | assert(obj != NULL); | |
60 | qemu_free(qobject_to_qint(obj)); | |
61 | } | |
62 | ||
63 | static const QType qint_type = { | |
64 | .code = QTYPE_QINT, | |
65 | .destroy = qint_destroy_obj, | |
66 | }; |