1 /* 2 * QInt data type. 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 GPL, version 2. See 10 * the COPYING file in the top-level directory. 11 */ 12 #include "qint.h" 13 #include "qobject.h" 14 #include "qemu-common.h" 15 16 static void qint_destroy_obj(QObject *obj); 17 18 static const QType qint_type = { 19 .code = QTYPE_QINT, 20 .destroy = qint_destroy_obj, 21 }; 22 23 /** 24 * qint_from_int(): Create a new QInt from an int64_t 25 * 26 * Return strong reference. 27 */ 28 QInt *qint_from_int(int64_t value) 29 { 30 QInt *qi; 31 32 qi = qemu_malloc(sizeof(*qi)); 33 qi->value = value; 34 QOBJECT_INIT(qi, &qint_type); 35 36 return qi; 37 } 38 39 /** 40 * qint_get_int(): Get the stored integer 41 */ 42 int64_t qint_get_int(const QInt *qi) 43 { 44 return qi->value; 45 } 46 47 /** 48 * qobject_to_qint(): Convert a QObject into a QInt 49 */ 50 QInt *qobject_to_qint(const QObject *obj) 51 { 52 if (qobject_type(obj) != QTYPE_QINT) 53 return NULL; 54 55 return container_of(obj, QInt, base); 56 } 57 58 /** 59 * qint_destroy_obj(): Free all memory allocated by a 60 * QInt object 61 */ 62 static void qint_destroy_obj(QObject *obj) 63 { 64 assert(obj != NULL); 65 qemu_free(qobject_to_qint(obj)); 66 } 67
