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 "qapi/qmp/qobject.h"
  17 #include "qemu-common.h"
  18
  19 /**
  20  * qbool_from_bool(): Create a new QBool from a bool
  21  *
  22  * Return strong reference.
  23  */
  24 QBool *qbool_from_bool(bool value)
  25 {
  26     QBool *qb;
  27
  28     qb = g_malloc(sizeof(*qb));
  29     qobject_init(QOBJECT(qb), QTYPE_QBOOL);
  30     qb->value = value;
  31
  32     return qb;
  33 }
  34
  35 /**
  36  * qbool_get_bool(): Get the stored bool
  37  */
  38 bool qbool_get_bool(const QBool *qb)
  39 {
  40     return qb->value;
  41 }
  42
  43 /**
  44  * qobject_to_qbool(): Convert a QObject into a QBool
  45  */
  46 QBool *qobject_to_qbool(const QObject *obj)
  47 {
  48     if (!obj || qobject_type(obj) != QTYPE_QBOOL) {
  49         return NULL;
  50     }
  51     return container_of(obj, QBool, base);
  52 }
  53
  54 /**
  55  * qbool_is_equal(): Test whether the two QBools are equal
  56  */
  57 bool qbool_is_equal(const QObject *x, const QObject *y)
  58 {
  59     return qobject_to_qbool(x)->value == qobject_to_qbool(y)->value;
  60 }
  61
  62 /**
  63  * qbool_destroy_obj(): Free all memory allocated by a
  64  * QBool object
  65  */
  66 void qbool_destroy_obj(QObject *obj)
  67 {
  68     assert(obj != NULL);
  69     g_free(qobject_to_qbool(obj));
  70 }