LXR qemu/qbool.c

   1/*
   2 * QBool Module
   3 *
   4 * Copyright IBM, Corp. 2009
   5 *
   6 * Authors:
   7 *  Anthony Liguori   <aliguori@us.ibm.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
  14#include "qbool.h"
  15#include "qobject.h"
  16#include "qemu-common.h"
  17
  18static void qbool_destroy_obj(QObject *obj);
  19
  20static const QType qbool_type = {
  21    .code = QTYPE_QBOOL,
  22    .destroy = qbool_destroy_obj,
  23};
  24
  25/**
  26 * qbool_from_int(): Create a new QBool from an int
  27 *
  28 * Return strong reference.
  29 */
  30QBool *qbool_from_int(int value)
  31{
  32    QBool *qb;
  33
  34    qb = g_malloc(sizeof(*qb));
  35    qb->value = value;
  36    QOBJECT_INIT(qb, &qbool_type);
  37
  38    return qb;
  39}
  40
  41/**
  42 * qbool_get_int(): Get the stored int
  43 */
  44int qbool_get_int(const QBool *qb)
  45{
  46    return qb->value;
  47}
  48
  49/**
  50 * qobject_to_qbool(): Convert a QObject into a QBool
  51 */
  52QBool *qobject_to_qbool(const QObject *obj)
  53{
  54    if (qobject_type(obj) != QTYPE_QBOOL)
  55        return NULL;
  56
  57    return container_of(obj, QBool, base);
  58}
  59
  60/**
  61 * qbool_destroy_obj(): Free all memory allocated by a
  62 * QBool object
  63 */
  64static void qbool_destroy_obj(QObject *obj)
  65{
  66    assert(obj != NULL);
  67    g_free(qobject_to_qbool(obj));
  68}
  69