1/* 2 * QInt Module 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 LGPL, version 2.1 or later. 10 * See the COPYING.LIB file in the top-level directory. 11 */ 12 13#include "qint.h" 14#include "qobject.h" 15#include "qemu-common.h" 16 17static void qint_destroy_obj(QObject *obj); 18 19static const QType qint_type = { 20 .code = QTYPE_QINT, 21 .destroy = qint_destroy_obj, 22}; 23 24/** 25 * qint_from_int(): Create a new QInt from an int64_t 26 * 27 * Return strong reference. 28 */ 29QInt *qint_from_int(int64_t value) 30{ 31 QInt *qi; 32 33 qi = qemu_malloc(sizeof(*qi)); 34 qi->value = value; 35 QOBJECT_INIT(qi, &qint_type); 36 37 return qi; 38} 39 40/** 41 * qint_get_int(): Get the stored integer 42 */ 43int64_t qint_get_int(const QInt *qi) 44{ 45 return qi->value; 46} 47 48/** 49 * qobject_to_qint(): Convert a QObject into a QInt 50 */ 51QInt *qobject_to_qint(const QObject *obj) 52{ 53 if (qobject_type(obj) != QTYPE_QINT) 54 return NULL; 55 56 return container_of(obj, QInt, base); 57} 58 59/** 60 * qint_destroy_obj(): Free all memory allocated by a 61 * QInt object 62 */ 63static void qint_destroy_obj(QObject *obj) 64{ 65 assert(obj != NULL); 66 qemu_free(qobject_to_qint(obj)); 67} 68