Archipelago » qemu

/*

 * QInt Module

 *

 * Copyright (C) 2009 Red Hat Inc.

 *

 * Authors:

 *  Luiz Capitulino <lcapitulino@redhat.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 "qint.h"

#include "qobject.h"

#include "qemu-common.h"

static void qint_destroy_obj(QObject *obj);

static const QType qint_type = {

    .code = QTYPE_QINT,

    .destroy = qint_destroy_obj,

};

/**

 * qint_from_int(): Create a new QInt from an int64_t

 *

 * Return strong reference.

 */

QInt *qint_from_int(int64_t value)

{

    QInt *qi;

    qi = qemu_malloc(sizeof(*qi));

    qi->value = value;

    QOBJECT_INIT(qi, &qint_type);

    return qi;

}

/**

 * qint_get_int(): Get the stored integer

 */

int64_t qint_get_int(const QInt *qi)

{

    return qi->value;

}

/**

 * qobject_to_qint(): Convert a QObject into a QInt

 */

QInt *qobject_to_qint(const QObject *obj)

{

    if (qobject_type(obj) != QTYPE_QINT)

        return NULL;

    return container_of(obj, QInt, base);

}

/**

 * qint_destroy_obj(): Free all memory allocated by a

 * QInt object

 */

static void qint_destroy_obj(QObject *obj)

{

    assert(obj != NULL);

    qemu_free(qobject_to_qint(obj));

}