From 42bcd5d6f7a124a0b1680cd781effa2c396e387d Mon Sep 17 00:00:00 2001
From: Michael Drake <michael.drake@codethink.co.uk>
Date: Fri, 5 Feb 2016 16:02:28 +0000
Subject: Provide generic copy constructor for HTMLButtonElement.

---
 src/html/html_button_element.c | 35 ++++++++++++++++++++++++++++++++---
 src/html/html_button_element.h |  9 +++++++++
 2 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/src/html/html_button_element.c b/src/html/html_button_element.c
index a9c34d5..a732247 100644
--- a/src/html/html_button_element.c
+++ b/src/html/html_button_element.c
@@ -142,10 +142,39 @@ void _dom_virtual_html_button_element_destroy(dom_node_internal *node)
 }
 
 /* The virtual copy function, see src/core/node.c for detail */
-dom_exception _dom_html_button_element_copy(dom_node_internal *old,
-		dom_node_internal **copy)
+dom_exception _dom_html_button_element_copy(
+		dom_node_internal *old, dom_node_internal **copy)
 {
-	return _dom_html_element_copy(old, copy);
+	dom_html_button_element *new_node;
+	dom_exception err;
+
+	new_node = malloc(sizeof(dom_html_button_element));
+	if (new_node == NULL)
+		return DOM_NO_MEM_ERR;
+
+	err = dom_html_button_element_copy_internal(old, new_node);
+	if (err != DOM_NO_ERR) {
+		free(new_node);
+		return err;
+	}
+
+	*copy = (dom_node_internal *) new_node;
+
+	return DOM_NO_ERR;
+}
+
+dom_exception _dom_html_button_element_copy_internal(
+		dom_html_button_element *old,
+		dom_html_button_element *new)
+{
+	dom_exception err;
+
+	err = dom_html_element_copy_internal(old, new);
+	if (err != DOM_NO_ERR) {
+		return err;
+	}
+
+	return DOM_NO_ERR;
 }
 
 /*-----------------------------------------------------------------------*/
diff --git a/src/html/html_button_element.h b/src/html/html_button_element.h
index 9734106..43adae4 100644
--- a/src/html/html_button_element.h
+++ b/src/html/html_button_element.h
@@ -55,5 +55,14 @@ dom_exception _dom_html_button_element_copy(dom_node_internal *old,
 dom_exception _dom_html_button_element_set_form(
 	dom_html_button_element *button, dom_html_form_element *form);
 
+/* Helper functions*/
+dom_exception _dom_html_button_element_copy_internal(
+		dom_html_button_element *old,
+		dom_html_button_element *new);
+#define dom_html_button_element_copy_internal(o, n) \
+		_dom_html_button_element_copy_internal( \
+				(dom_html_button_element *) (o), \
+				(dom_html_button_element *) (n))
+
 #endif
 
-- 
cgit v1.2.3