tree data UPDATE schema node getter func

Author: michalvasko

src/tree_data.h

@@ -1133,6 +1133,14 @@ LIBYANG_API_DECL LY_ERR lyd_any_value_str(const struct lyd_node *any, char **val
 LIBYANG_API_DECL LY_ERR lyd_any_copy_value(struct lyd_node *trg, const union lyd_any_value *value,
         LYD_ANYDATA_VALUETYPE value_type);
 
+/**
+ * @brief Get schema node of a data node. Useful especially for opaque nodes.
+ *
+ * @param[in] node Data node to use.
+ * @return Schema node represented by data @p node, NULL if there is none.
+ */
+const struct lysc_node *lyd_node_schema(const struct lyd_node *node);
+
 /**
  * @brief Create a new inner node in the data tree.
  *

src/tree_data_common.c

@@ -1091,7 +1091,7 @@ lyd_any_copy_value(struct lyd_node *trg, const union lyd_any_value *value, LYD_A
     return LY_SUCCESS;
 }
 
-const struct lysc_node *
+LIBYANG_API_DEF const struct lysc_node *
 lyd_node_schema(const struct lyd_node *node)
 {
     const struct lysc_node *schema = NULL;

src/tree_data_internal.h

@@ -116,14 +116,6 @@ const struct lys_module *lyd_mod_next_module(struct lyd_node *tree, const struct
  */
 const struct lys_module *lyd_data_next_module(struct lyd_node **next, struct lyd_node **first);
 
-/**
- * @brief Get schema node of a data node. Useful especially for opaque nodes.
- *
- * @param[in] node Data node to use.
- * @return Schema node represented by data @p node, NULL if there is none.
- */
-const struct lysc_node *lyd_node_schema(const struct lyd_node *node);
-
 /**
  * @brief Set dflt flag for a NP container if applicable, recursively for parents.
  *