From patchwork Wed Aug 26 17:05:25 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Capitulino X-Patchwork-Id: 32172 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by bilbo.ozlabs.org (Postfix) with ESMTPS id 0C2D9B7334 for ; Thu, 27 Aug 2009 03:40:22 +1000 (EST) Received: from localhost ([127.0.0.1]:53678 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MgMTp-0003K8-GX for incoming@patchwork.ozlabs.org; Wed, 26 Aug 2009 13:40:17 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MgLwy-0002qA-D5 for qemu-devel@nongnu.org; Wed, 26 Aug 2009 13:06:20 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MgLww-0002nn-PN for qemu-devel@nongnu.org; Wed, 26 Aug 2009 13:06:20 -0400 Received: from [199.232.76.173] (port=45797 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MgLww-0002nJ-HE for qemu-devel@nongnu.org; Wed, 26 Aug 2009 13:06:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49887) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MgLwv-0000ed-TN for qemu-devel@nongnu.org; Wed, 26 Aug 2009 13:06:18 -0400 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n7QH6G4E031738; Wed, 26 Aug 2009 13:06:17 -0400 Received: from localhost (vpn-10-90.bos.redhat.com [10.16.10.90]) by int-mx03.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id n7QH6FpF005649; Wed, 26 Aug 2009 13:06:16 -0400 From: Luiz Capitulino To: qemu-devel@nongnu.org Date: Wed, 26 Aug 2009 14:05:25 -0300 Message-Id: <1251306352-31316-3-git-send-email-lcapitulino@redhat.com> In-Reply-To: <1251306352-31316-1-git-send-email-lcapitulino@redhat.com> References: <1251306352-31316-1-git-send-email-lcapitulino@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.16 X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. Cc: aliguori@us.ibm.com, avi@redhat.com Subject: [Qemu-devel] [PATCH 02/29] Introduce QInt X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org QInt is a high-level data type that can be used to represent integers, internally it stores a int64_t value. The following functions are available: - qint_from_int() Create a new QInt - qint_get_int() Get the stored integer Signed-off-by: Luiz Capitulino --- Makefile | 1 + qint.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ qint.h | 16 ++++++++++++++ qobject.h | 1 + 4 files changed, 84 insertions(+), 0 deletions(-) create mode 100644 qint.c create mode 100644 qint.h diff --git a/Makefile b/Makefile index e2ea91d..ad13397 100644 --- a/Makefile +++ b/Makefile @@ -90,6 +90,7 @@ 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 diff --git a/qint.c b/qint.c new file mode 100644 index 0000000..9a56906 --- /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 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, +}; diff --git a/qint.h b/qint.h new file mode 100644 index 0000000..672b321 --- /dev/null +++ b/qint.h @@ -0,0 +1,16 @@ +#ifndef QINT_H +#define QINT_H + +#include +#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 */ diff --git a/qobject.h b/qobject.h index 86c9737..c6410bc 100644 --- a/qobject.h +++ b/qobject.h @@ -39,6 +39,7 @@ typedef enum { QTYPE_NONE, + QTYPE_QINT, } qtype_code; struct QObject;