store: Let all store types be public.

[sysdb.git] / src / include / core / object.h

diff --git a/src/include/core/object.h b/src/include/core/object.h
index cab77d0816973ca242620c8320c22c8eca07682c..2f466104c86ee10c3973dc964ce3e80469b29f3c 100644 (file)
--- a/src/include/core/object.h
+++ b/src/include/core/object.h
@@ -46,14 +46,16 @@ struct sdb_type {
 
        int (*init)(sdb_object_t *, va_list);
        void (*destroy)(sdb_object_t *);
+       sdb_object_t *(*clone)(const sdb_object_t *);
 };
-#define SDB_TYPE_INIT { 0, NULL, NULL }
+#define SDB_TYPE_INIT { 0, NULL, NULL, NULL }
 
 struct sdb_object {
        sdb_type_t type;
        int ref_cnt;
 };
 #define SDB_OBJECT_INIT { SDB_TYPE_INIT, 1 }
+#define SDB_OBJECT_TYPED_INIT(t) { (t), 1 }
 
 typedef struct {
        sdb_object_t super;
@@ -62,7 +64,9 @@ typedef struct {
 } sdb_object_wrapper_t;
 
 #define SDB_OBJ(obj) ((sdb_object_t *)(obj))
+#define SDB_CONST_OBJ(obj) ((const sdb_object_t *)(obj))
 #define SDB_OBJ_WRAPPER(obj) ((sdb_object_wrapper_t *)(obj))
+#define SDB_CONST_OBJ_WRAPPER(obj) ((const sdb_object_wrapper_t *)(obj))
 
 /*
  * sdb_object_create:
@@ -115,6 +119,19 @@ sdb_object_deref(sdb_object_t *obj);
 void
 sdb_object_ref(sdb_object_t *obj);
 
+/*
+ * sdb_object_clone:
+ * Clone an existing object using its type's 'clone' callback. The callback is
+ * responsible for correctly initializing a new object (which may be done
+ * using the object create function or the object's type's init function).
+ *
+ * Returns:
+ *  - the cloned object on success
+ *  - NULL on error or if no clone callback is available
+ */
+sdb_object_t *
+sdb_object_clone(const sdb_object_t *obj);
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif