Annotation of qemu/qbool.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * QBool Module
        !             3:  *
        !             4:  * Copyright (C) 2009 Red Hat Inc.
        !             5:  *
        !             6:  * Authors:
        !             7:  *  Luiz Capitulino <lcapitulino@redhat.com>
        !             8:  *
        !             9:  * This work is licensed under the terms of the GNU GPL, version 2.  See
        !            10:  * the COPYING file in the top-level directory.
        !            11:  *
        !            12:  * Copyright IBM, Corp. 2009
        !            13:  *
        !            14:  * Authors:
        !            15:  *  Anthony Liguori   <aliguori@us.ibm.com>
        !            16:  *
        !            17:  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
        !            18:  * See the COPYING.LIB file in the top-level directory.
        !            19:  *
        !            20:  */
        !            21: 
        !            22: #include "qbool.h"
        !            23: #include "qobject.h"
        !            24: #include "qemu-common.h"
        !            25: 
        !            26: static void qbool_destroy_obj(QObject *obj);
        !            27: 
        !            28: static const QType qbool_type = {
        !            29:     .code = QTYPE_QBOOL,
        !            30:     .destroy = qbool_destroy_obj,
        !            31: };
        !            32: 
        !            33: /**
        !            34:  * qbool_from_int(): Create a new QBool from an int
        !            35:  *
        !            36:  * Return strong reference.
        !            37:  */
        !            38: QBool *qbool_from_int(int value)
        !            39: {
        !            40:     QBool *qb;
        !            41: 
        !            42:     qb = qemu_malloc(sizeof(*qb));
        !            43:     qb->value = value;
        !            44:     QOBJECT_INIT(qb, &qbool_type);
        !            45: 
        !            46:     return qb;
        !            47: }
        !            48: 
        !            49: /**
        !            50:  * qbool_get_int(): Get the stored int
        !            51:  */
        !            52: int qbool_get_int(const QBool *qb)
        !            53: {
        !            54:     return qb->value;
        !            55: }
        !            56: 
        !            57: /**
        !            58:  * qobject_to_qbool(): Convert a QObject into a QBool
        !            59:  */
        !            60: QBool *qobject_to_qbool(const QObject *obj)
        !            61: {
        !            62:     if (qobject_type(obj) != QTYPE_QBOOL)
        !            63:         return NULL;
        !            64: 
        !            65:     return container_of(obj, QBool, base);
        !            66: }
        !            67: 
        !            68: /**
        !            69:  * qbool_destroy_obj(): Free all memory allocated by a
        !            70:  * QBool object
        !            71:  */
        !            72: static void qbool_destroy_obj(QObject *obj)
        !            73: {
        !            74:     assert(obj != NULL);
        !            75:     qemu_free(qobject_to_qbool(obj));
        !            76: }

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