doc UPDATE clarify no data return
@@ -746,7 +746,7 @@ int sr_get_item(sr_session_ctx_t *session, const char *path, uint32_t timeout_ms
* @param[in] xpath [XPath](@ref paths) of the data elements to be retrieved.
* @param[in] timeout_ms Operational callback timeout in milliseconds. If 0, default is used.
* @param[in] opts Options overriding default get behaviour.
- * @param[out] values Array of requested nodes, allocated dynamically (free using ::sr_free_values).
+ * @param[out] values Array of requested nodes, if any, allocated dynamically (free using ::sr_free_values).
* @param[out] value_cnt Number of returned elements in the values array.
* @return Error code (::SR_ERR_OK on success).
*/
@@ -767,7 +767,7 @@ int sr_get_items(sr_session_ctx_t *session, const char *xpath, uint32_t timeout_
* @param[in] session Session ([DS](@ref sr_datastore_t)-specific) to use.
* @param[in] path [Path](@ref paths) selecting the root node of the subtree to be retrieved.
* @param[in] timeout_ms Operational callback timeout in milliseconds. If 0, default is used.
- * @param[out] subtree Requested subtree, allocated dynamically.
+ * @param[out] subtree Requested subtree, allocated dynamically. NULL if none found.
* @return Error code (::SR_ERR_OK on success, ::SR_ERR_INVAL_ARG if multiple nodes match the path).
*/
int sr_get_subtree(sr_session_ctx_t *session, const char *path, uint32_t timeout_ms, struct lyd_node **subtree);
@@ -793,7 +793,7 @@ int sr_get_subtree(sr_session_ctx_t *session, const char *path, uint32_t timeout
* descendant nodes. If a list should be returned, its keys are always returned as well.
* @param[in] timeout_ms Operational callback timeout in milliseconds. If 0, default is used.
* @param[in] opts Options overriding default get behaviour.
- * @param[out] data Connected top-level trees with all the requested data, allocated dynamically.
+ * @param[out] data Connected top-level trees with all the requested data, allocated dynamically. NULL if none found.
* @return Error code (::SR_ERR_OK on success).
*/
int sr_get_data(sr_session_ctx_t *session, const char *xpath, uint32_t max_depth, uint32_t timeout_ms,
