X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fdaemon%2Futils_cache.h;h=2f408734fb7efdea856d1dd8d08579c572a1c07a;hb=98e38add333bfcb893fcde408ecf3a0c43d99e31;hp=5c8127fec396bce4269ec44653bd2c3afd960366;hpb=2079ee1517e34de372f58e7e2267ad5c71a8a41f;p=collectd.git

diff --git a/src/daemon/utils_cache.h b/src/daemon/utils_cache.h
index 5c8127fe..2f408734 100644
--- a/src/daemon/utils_cache.h
+++ b/src/daemon/utils_cache.h
@@ -86,9 +86,9 @@ uc_iter_t *uc_get_iterator(void);
  *
  * PARAMETERS
  *   `iter'     The iterator object to advance.
- *   `ret_name' Pointer to a string where to store the name. The returned
- *              value is a copy of the value and has to be freed by the
- *              caller.
+ *   `ret_name' Optional pointer to a string where to store the name. If not
+ *              NULL, the returned value is a copy of the value and has to be
+ *              freed by the caller.
  *
  * RETURN VALUE
  *   Zero upon success or non-zero if the iterator ie NULL or no further