From 2910f183ddd5286911bc1e3499ea93cb57de8b75 Mon Sep 17 00:00:00 2001 From: David 'Digit' Turner Date: Mon, 10 May 2010 18:48:35 -0700 Subject: Upstream: Misc integration - includes qobject.h and related sources Change-Id: Idfa93ab5c67c95a3bc1869eeaf3a84a75fe24cd6 --- qint.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 qint.c (limited to 'qint.c') diff --git a/qint.c b/qint.c new file mode 100644 index 0000000..447e847 --- /dev/null +++ b/qint.c @@ -0,0 +1,66 @@ +/* + * QInt data type. + * + * Copyright (C) 2009 Red Hat Inc. + * + * Authors: + * Luiz Capitulino + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + */ +#include "qint.h" +#include "qobject.h" +#include "qemu-common.h" + +static void qint_destroy_obj(QObject *obj); + +static const QType qint_type = { + .code = QTYPE_QINT, + .destroy = qint_destroy_obj, +}; + +/** + * qint_from_int(): Create a new QInt from an int64_t + * + * Return strong reference. + */ +QInt *qint_from_int(int64_t value) +{ + QInt *qi; + + qi = qemu_malloc(sizeof(*qi)); + qi->value = value; + QOBJECT_INIT(qi, &qint_type); + + return qi; +} + +/** + * qint_get_int(): Get the stored integer + */ +int64_t qint_get_int(const QInt *qi) +{ + return qi->value; +} + +/** + * qobject_to_qint(): Convert a QObject into a QInt + */ +QInt *qobject_to_qint(const QObject *obj) +{ + if (qobject_type(obj) != QTYPE_QINT) + return NULL; + + return container_of(obj, QInt, base); +} + +/** + * qint_destroy_obj(): Free all memory allocated by a + * QInt object + */ +static void qint_destroy_obj(QObject *obj) +{ + assert(obj != NULL); + qemu_free(qobject_to_qint(obj)); +} -- cgit v1.1