diff options
Diffstat (limited to 'src/H5VL.c')
| -rw-r--r-- | src/H5VL.c | 37 |
1 files changed, 36 insertions, 1 deletions
@@ -903,7 +903,7 @@ H5VLfree_lib_state(void *state) /* Check args */ if(NULL == state) - HGOTO_ERROR(H5E_VOL, H5E_BADVALUE, FAIL, "invalid state pointer") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid state pointer") /* Free the library state */ if(H5VL_free_lib_state(state) < 0) @@ -913,3 +913,38 @@ done: FUNC_LEAVE_API(ret_value) } /* H5VLfree_lib_state() */ + +/*--------------------------------------------------------------------------- + * Function: H5VLquery_optional + * + * Purpose: Determine if a VOL connector supports a particular optional + * callback operation. + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5VLquery_optional(hid_t obj_id, H5VL_subclass_t subcls, int opt_type, hbool_t *supported) +{ + H5VL_object_t *vol_obj = NULL; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE4("e", "iVSIs*b", obj_id, subcls, opt_type, supported); + + /* Check args */ + if(NULL == supported) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid supported pointer") + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object(obj_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + + /* Query the connector */ + if(H5VL_introspect_opt_query(vol_obj, subcls, opt_type, supported) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "unable to query VOL connector support") + +done: + FUNC_LEAVE_API(ret_value) +} /* H5VLquery_optional() */ + |