C-API: Exposed diff function

Test: double leaf validate test

lib/clixon/clixon_proto.h

@@ -43,13 +43,6 @@
 /*
  * Types
  */
-enum format_enum{
-    FORMAT_XML,  
-    FORMAT_JSON,  
-    FORMAT_TEXT,  
-    FORMAT_CLI,
-    FORMAT_NETCONF
-};
 
 /* Protocol message header */
 struct clicon_msg {

lib/clixon/clixon_xml.h

@@ -177,6 +177,15 @@ typedef int (xml_applyfn_t)(cxobj *x, void *arg);
 
 typedef struct clixon_xml_vec clixon_xvec; /* struct defined in clicon_xml_vec.c */
 
+/* Alternative formats */
+enum format_enum{
+    FORMAT_XML,  
+    FORMAT_JSON,  
+    FORMAT_TEXT,  
+    FORMAT_CLI,
+    FORMAT_NETCONF
+};
+
 /*
  * xml_flag() flags:
  */

lib/clixon/clixon_xml_map.h

@@ -75,5 +75,6 @@ int yang_xml_mandatory(cxobj *xt, yang_stmt *ys);
 int xml_rpc_isaction(cxobj *xn);
 int xml_find_action(cxobj *xn, int top, cxobj **xap);
 int purge_tagged_nodes(cxobj *xn, char *ns, char *name, char *value, int keepnode);
+int clixon_compare_xmls(cxobj *xc1, cxobj *xc2, enum format_enum format, clicon_output_cb *fn);
 
 #endif  /* _CLIXON_XML_MAP_H_ */