* \p retv by initially passing its value as \c NULL and considering the return value.
* This function can then be called again passing a newly-allocated suitably-sized buffer.
* \note If \p retv is NULL, \p inlen is ignored.
- * \note If \p inlen is smaller than required, the value written
- * to \p retv will be truncated.
+ * \note If \p inlen is smaller than required, nothing will be written to \p retv and still return
+ * the length of config item value.
*/
int (*get_config_item)(struct lxc_container *c, const char *key, char *retv, int inlen);