qobject/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 "qemu/osdep.h"
  15 #include "qapi/qmp/qbool.h"
  16 #include "qemu-common.h"
  17
  18 /**
  19  * qbool_from_bool(): Create a new QBool from a bool
  20  *
  21  * Return strong reference.
  22  */
  23 QBool *qbool_from_bool(bool value)
  24 {
  25     QBool *qb;
  26
  27     qb = g_malloc(sizeof(*qb));
  28     qobject_init(QOBJECT(qb), QTYPE_QBOOL);
  29     qb->value = value;
  30
  31     return qb;
  32 }
  33
  34 /**
  35  * qbool_get_bool(): Get the stored bool
  36  */
  37 bool qbool_get_bool(const QBool *qb)
  38 {
  39     return qb->value;
  40 }
  41
  42 /**
  43  * qobject_to_qbool(): Convert a QObject into a QBool
  44  */
  45 QBool *qobject_to_qbool(const QObject *obj)
  46 {
  47     if (!obj || qobject_type(obj) != QTYPE_QBOOL) {
  48         return NULL;
  49     }
  50     return container_of(obj, QBool, base);
  51 }
  52
  53 /**
  54  * qbool_is_equal(): Test whether the two QBools are equal
  55  */
  56 bool qbool_is_equal(const QObject *x, const QObject *y)
  57 {
  58     return qobject_to_qbool(x)->value == qobject_to_qbool(y)->value;
  59 }
  60
  61 /**
  62  * qbool_destroy_obj(): Free all memory allocated by a
  63  * QBool object
  64  */
  65 void qbool_destroy_obj(QObject *obj)
  66 {
  67     assert(obj != NULL);
  68     g_free(qobject_to_qbool(obj));
  69 }