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-rw-r--r--contrib/qemu/qobject/qfloat.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/qemu/qobject/qfloat.c b/contrib/qemu/qobject/qfloat.c
new file mode 100644
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--- /dev/null
+++ b/contrib/qemu/qobject/qfloat.c
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+/*
+ * QFloat 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.
+ *
+ */
+
+#include "qapi/qmp/qfloat.h"
+#include "qapi/qmp/qobject.h"
+#include "qemu-common.h"
+
+static void qfloat_destroy_obj(QObject *obj);
+
+static const QType qfloat_type = {
+ .code = QTYPE_QFLOAT,
+ .destroy = qfloat_destroy_obj,
+};
+
+/**
+ * qfloat_from_int(): Create a new QFloat from a float
+ *
+ * Return strong reference.
+ */
+QFloat *qfloat_from_double(double value)
+{
+ QFloat *qf;
+
+ qf = g_malloc(sizeof(*qf));
+ qf->value = value;
+ QOBJECT_INIT(qf, &qfloat_type);
+
+ return qf;
+}
+
+/**
+ * qfloat_get_double(): Get the stored float
+ */
+double qfloat_get_double(const QFloat *qf)
+{
+ return qf->value;
+}
+
+/**
+ * qobject_to_qfloat(): Convert a QObject into a QFloat
+ */
+QFloat *qobject_to_qfloat(const QObject *obj)
+{
+ if (qobject_type(obj) != QTYPE_QFLOAT)
+ return NULL;
+
+ return container_of(obj, QFloat, base);
+}
+
+/**
+ * qfloat_destroy_obj(): Free all memory allocated by a
+ * QFloat object
+ */
+static void qfloat_destroy_obj(QObject *obj)
+{
+ assert(obj != NULL);
+ g_free(qobject_to_qfloat(obj));
+}