[Qemu-devel] [PATCH 10/17] object: add uint property setter/getter

[Marc-André Lureau]

Signed-off-by: Marc-André Lureau <address@hidden>
---
 include/qom/object.h | 23 +++++++++++++++++++++++
 qom/object.c         | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/include/qom/object.h b/include/qom/object.h
index cd0f412ce9..abaeb8cf4e 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -1094,6 +1094,29 @@ int64_t object_property_get_int(Object *obj, const char 
*name,
                                 Error **errp);
 
 /**
+ * object_property_set_uint:
+ * @value: the value to be written to the property
+ * @name: the name of the property
+ * @errp: returns an error if this function fails
+ *
+ * Writes an unsigned integer value to a property.
+ */
+void object_property_set_uint(Object *obj, uint64_t value,
+                              const char *name, Error **errp);
+
+/**
+ * object_property_get_uint:
+ * @obj: the object
+ * @name: the name of the property
+ * @errp: returns an error if this function fails
+ *
+ * Returns: the value of the property, converted to an unsigned integer, or 0
+ * an error occurs (including when the property value is not an integer).
+ */
+uint64_t object_property_get_uint(Object *obj, const char *name,
+                                  Error **errp);
+
+/**
  * object_property_get_enum:
  * @obj: the object
  * @name: the name of the property
diff --git a/qom/object.c b/qom/object.c
index c1644dbcb7..a9259e330d 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1221,6 +1221,39 @@ int64_t object_property_get_int(Object *obj, const char 
*name,
     return retval;
 }
 
+void object_property_set_uint(Object *obj, uint64_t value,
+                             const char *name, Error **errp)
+{
+    QNum *qn = qnum_from_uint(value);
+    object_property_set_qobject(obj, QOBJECT(qn), name, errp);
+    QDECREF(qn);
+}
+
+uint64_t object_property_get_uint(Object *obj, const char *name,
+                                  Error **errp)
+{
+    QObject *ret = object_property_get_qobject(obj, name, errp);
+    Error *err = NULL;
+    QNum *qnum;
+    uint64_t retval;
+
+    if (!ret) {
+        return 0;
+    }
+    qnum = qobject_to_qnum(ret);
+    if (qnum) {
+        retval = qnum_get_uint(qnum, &err);
+    }
+
+    if (!qnum || err) {
+        error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint");
+        retval = 0;
+    }
+
+    qobject_decref(ret);
+    return retval;
+}
+
 typedef struct EnumProperty {
     const char * const *strings;
     int (*get)(Object *, Error **);
-- 
2.13.0.rc1.16.gd80b50c3f