diff options
-rw-r--r-- | Makefile | 1 | ||||
-rw-r--r-- | qint.c | 66 | ||||
-rw-r--r-- | qint.h | 16 | ||||
-rw-r--r-- | qobject.h | 1 |
4 files changed, 84 insertions, 0 deletions
@@ -91,6 +91,7 @@ obj-y += buffered_file.o migration.o migration-tcp.o net.o qemu-sockets.o obj-y += qemu-char.o aio.o net-checksum.o savevm.o obj-y += msmouse.o ps2.o obj-y += qdev.o qdev-properties.o ssi.o +obj-y += qint.o obj-$(CONFIG_BRLAPI) += baum.o obj-$(CONFIG_WIN32) += tap-win32.o @@ -0,0 +1,66 @@ +/* + * QInt data type. + * + * Copyright (C) 2009 Red Hat Inc. + * + * Authors: + * Luiz Capitulino <lcapitulino@redhat.com> + * + * 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 const QType qint_type; + +/** + * 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)); +} + +static const QType qint_type = { + .code = QTYPE_QINT, + .destroy = qint_destroy_obj, +}; @@ -0,0 +1,16 @@ +#ifndef QINT_H +#define QINT_H + +#include <stdint.h> +#include "qobject.h" + +typedef struct QInt { + QObject_HEAD; + int64_t value; +} QInt; + +QInt *qint_from_int(int64_t value); +int64_t qint_get_int(const QInt *qi); +QInt *qobject_to_qint(const QObject *obj); + +#endif /* QINT_H */ @@ -37,6 +37,7 @@ typedef enum { QTYPE_NONE, + QTYPE_QINT, } qtype_code; struct QObject; |