qemu-e2k/qint.c

67 lines
1.2 KiB
C

/*
* QInt data type.
*
* 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.
*/
#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));
}