Patchwork [06/11] Add a QBool type

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Submitter Anthony Liguori
Date Nov. 11, 2009, 5:28 p.m.
Message ID <1257960543-26373-6-git-send-email-aliguori@us.ibm.com>
Download mbox | patch
Permalink /patch/38153/
State New
Headers show

Comments

Anthony Liguori - Nov. 11, 2009, 5:28 p.m.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 Makefile  |    2 +-
 qbool.c   |   76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 qbool.h   |   29 +++++++++++++++++++++++
 qobject.h |    1 +
 4 files changed, 107 insertions(+), 1 deletions(-)
 create mode 100644 qbool.c
 create mode 100644 qbool.h

Patch

diff --git a/Makefile b/Makefile
index 5662f9a..116cd70 100644
--- a/Makefile
+++ b/Makefile
@@ -135,7 +135,7 @@  obj-y += buffered_file.o migration.o migration-tcp.o qemu-sockets.o
 obj-y += qemu-char.o aio.o savevm.o
 obj-y += msmouse.o ps2.o
 obj-y += qdev.o qdev-properties.o
-obj-y += qint.o qstring.o qdict.o qlist.o qfloat.o
+obj-y += qint.o qstring.o qdict.o qlist.o qfloat.o qbool.o
 obj-y += qemu-config.o
 
 obj-$(CONFIG_BRLAPI) += baum.o
diff --git a/qbool.c b/qbool.c
new file mode 100644
index 0000000..5ab734c
--- /dev/null
+++ b/qbool.c
@@ -0,0 +1,76 @@ 
+/*
+ * QBool Module
+ *
+ * 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.
+ *
+ * Copyright IBM, Corp. 2009
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#include "qbool.h"
+#include "qobject.h"
+#include "qemu-common.h"
+
+static void qbool_destroy_obj(QObject *obj);
+
+static const QType qbool_type = {
+    .code = QTYPE_QBOOL,
+    .destroy = qbool_destroy_obj,
+};
+
+/**
+ * qbool_from_int(): Create a new QBool from an int
+ *
+ * Return strong reference.
+ */
+QBool *qbool_from_int(int value)
+{
+    QBool *qb;
+
+    qb = qemu_malloc(sizeof(*qb));
+    qb->value = value;
+    QOBJECT_INIT(qb, &qbool_type);
+
+    return qb;
+}
+
+/**
+ * qbool_get_int(): Get the stored int
+ */
+int qbool_get_int(const QBool *qb)
+{
+    return qb->value;
+}
+
+/**
+ * qobject_to_qbool(): Convert a QObject into a QBool
+ */
+QBool *qobject_to_qbool(const QObject *obj)
+{
+    if (qobject_type(obj) != QTYPE_QBOOL)
+        return NULL;
+
+    return container_of(obj, QBool, base);
+}
+
+/**
+ * qbool_destroy_obj(): Free all memory allocated by a
+ * QBool object
+ */
+static void qbool_destroy_obj(QObject *obj)
+{
+    assert(obj != NULL);
+    qemu_free(qobject_to_qbool(obj));
+}
diff --git a/qbool.h b/qbool.h
new file mode 100644
index 0000000..fe66fcd
--- /dev/null
+++ b/qbool.h
@@ -0,0 +1,29 @@ 
+/*
+ * QBool Module
+ *
+ * Copyright IBM, Corp. 2009
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#ifndef QBOOL_H
+#define QBOOL_H
+
+#include <stdint.h>
+#include "qobject.h"
+
+typedef struct QBool {
+    QObject_HEAD;
+    int value;
+} QBool;
+
+QBool *qbool_from_int(int value);
+int qbool_get_int(const QBool *qb);
+QBool *qobject_to_qbool(const QObject *obj);
+
+#endif /* QBOOL_H */
diff --git a/qobject.h b/qobject.h
index 67b03d0..2270ec1 100644
--- a/qobject.h
+++ b/qobject.h
@@ -42,6 +42,7 @@  typedef enum {
     QTYPE_QDICT,
     QTYPE_QLIST,
     QTYPE_QFLOAT,
+    QTYPE_QBOOL,
 } qtype_code;
 
 struct QObject;