Allow machines to configure the QEMU_VERSION that's exposed via hardware

[qemu.git] / qobject.h

diff --git a/qobject.h b/qobject.h
index 39b86493e97886921811b1fc759792ff7eb2bcd1..d42386dde1394d9651c87d69665ffa2742f4cdea 100644 (file)
--- a/qobject.h
+++ b/qobject.h
@@ -8,8 +8,8 @@
  * Authors:
  *  Luiz Capitulino <[email protected]>
  *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
+ * 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.
  *
  * QObject Reference Counts Terminology
  * ------------------------------------
@@ -40,6 +40,10 @@ typedef enum {
     QTYPE_QINT,
     QTYPE_QSTRING,
     QTYPE_QDICT,
+    QTYPE_QLIST,
+    QTYPE_QFLOAT,
+    QTYPE_QBOOL,
+    QTYPE_QERROR,
 } qtype_code;
 
 struct QObject;
@@ -59,16 +63,14 @@ typedef struct QObject {
     QObject base
 
 /* Get the 'base' part of an object */
-#define QOBJECT(obj) (&obj->base)
+#define QOBJECT(obj) (&(obj)->base)
 
 /* High-level interface for qobject_incref() */
 #define QINCREF(obj)      \
-    assert(obj != NULL);  \
     qobject_incref(QOBJECT(obj))
 
 /* High-level interface for qobject_decref() */
 #define QDECREF(obj)              \
-    assert(obj != NULL);          \
     qobject_decref(QOBJECT(obj))
 
 /* Initialize an object to default values */
@@ -81,7 +83,8 @@ typedef struct QObject {
  */
 static inline void qobject_incref(QObject *obj)
 {
-    obj->refcnt++;
+    if (obj)
+        obj->refcnt++;
 }
 
 /**
@@ -90,7 +93,7 @@ static inline void qobject_incref(QObject *obj)
  */
 static inline void qobject_decref(QObject *obj)
 {
-    if (--obj->refcnt == 0) {
+    if (obj && --obj->refcnt == 0) {
         assert(obj->type != NULL);
         assert(obj->type->destroy != NULL);
         obj->type->destroy(obj);