From: Sebastian Harl <sh@tokkee.org>
Date: Sat, 23 Mar 2013 03:25:44 +0000 (-0700)
Subject: object: Introduced sdb_object_clone().
X-Git-Tag: sysdb-0.1.0~414
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=523a1d37d7040620a81b55f7e78474b23b695bdc;p=sysdb.git

object: Introduced sdb_object_clone().
---

diff --git a/src/core/object.c b/src/core/object.c
index e9825b1..65b256f 100644
--- a/src/core/object.c
+++ b/src/core/object.c
@@ -137,5 +137,13 @@ sdb_object_ref(sdb_object_t *obj)
 	++obj->ref_cnt;
 } /* sdb_object_ref */
 
+sdb_object_t *
+sdb_object_clone(const sdb_object_t *obj)
+{
+	if ((! obj) || (! obj->type.clone))
+		return NULL;
+	return obj->type.clone(obj);
+} /* sdb_object_clone */
+
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 
diff --git a/src/include/core/object.h b/src/include/core/object.h
index dab220b..dce562c 100644
--- a/src/include/core/object.h
+++ b/src/include/core/object.h
@@ -116,6 +116,19 @@ 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