1 /* 2 * QInt Module 3 * 4 * Copyright (C) 2009 Red Hat Inc. 5 * 6 * Authors: 7 * Luiz Capitulino <lcapitulino (at) redhat.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 #include "qint.h" 14 #include "qobject.h" 15 #include "qemu-common.h" 16 17 static void qint_destroy_obj(QObject *obj); 18 19 static const QType qint_type = { 20 .code = QTYPE_QINT, 21 .destroy = qint_destroy_obj, 22 }; 23 24 /** 25 * qint_from_int(): Create a new QInt from an int64_t 26 * 27 * Return strong reference. 28 */ 29 QInt *qint_from_int(int64_t value) 30 { 31 QInt *qi; 32 33 qi = qemu_malloc(sizeof(*qi)); 34 qi->value = value; 35 QOBJECT_INIT(qi, &qint_type); 36 37 return qi; 38 } 39 40 /** 41 * qint_get_int(): Get the stored integer 42 */ 43 int64_t qint_get_int(const QInt *qi) 44 { 45 return qi->value; 46 } 47 48 /** 49 * qobject_to_qint(): Convert a QObject into a QInt 50 */ 51 QInt *qobject_to_qint(const QObject *obj) 52 { 53 if (qobject_type(obj) != QTYPE_QINT) 54 return NULL; 55 56 return container_of(obj, QInt, base); 57 } 58 59 /** 60 * qint_destroy_obj(): Free all memory allocated by a 61 * QInt object 62 */ 63 static void qint_destroy_obj(QObject *obj) 64 { 65 assert(obj != NULL); 66 qemu_free(qobject_to_qint(obj)); 67 } 68
