@@ -24,6 +24,9 @@ typedef struct QapiCloneVisitor QapiCloneVisitor;
void *qapi_clone(const void *src, void (*visit_type)(Visitor *, const char *,
void **, Error **));
+void qapi_clone_members(void *dst, const void *src, size_t sz,
+ void (*visit_type_members)(Visitor *, void *,
+ Error **));
/*
* Deep-clone QAPI object @src of the given @type, and return the result.
@@ -36,4 +39,15 @@ void *qapi_clone(const void *src, void (*visit_type)(Visitor *, const char *,
(void (*)(Visitor *, const char *, void**, \
Error **))visit_type_ ## type))
+/*
+ * Copy deep clones of @type members from @src to @dst.
+ *
+ * Not usable on QAPI scalars (integers, strings, enums), nor on a
+ * QAPI object that references the 'any' type.
+ */
+#define QAPI_CLONE_MEMBERS(type, dst, src) \
+ qapi_clone_members(dst, src, sizeof(type), \
+ (void (*)(Visitor *, void *, \
+ Error **))visit_type_ ## type ## _members)
+
#endif
@@ -180,3 +180,16 @@ void *qapi_clone(const void *src, void (*visit_type)(Visitor *, const char *,
visit_free(v);
return dst;
}
+
+void qapi_clone_members(void *dst, const void *src, size_t sz,
+ void (*visit_type_members)(Visitor *, void *,
+ Error **))
+{
+ Visitor *v;
+
+ v = qapi_clone_visitor_new();
+ memcpy(dst, src, sz);
+ to_qcv(v)->depth++;
+ visit_type_members(v, dst, &error_abort);
+ visit_free(v);
+}