diff options
Diffstat (limited to 'src/H5Sselect.c')
| -rw-r--r-- | src/H5Sselect.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/H5Sselect.c b/src/H5Sselect.c index 37a065a..023ab80 100644 --- a/src/H5Sselect.c +++ b/src/H5Sselect.c @@ -3089,6 +3089,56 @@ done: FUNC_LEAVE_API(ret_value) } /* end H5Ssel_iter_get_seq_list() */ +/*-------------------------------------------------------------------------- + NAME + H5Ssel_iter_reset + PURPOSE + Resets a dataspace selection iterator back to an initial state. + USAGE + herr_t H5Ssel_iter_reset(sel_iter_id) + hid_t sel_iter_id; IN: ID of the dataspace selection iterator to + reset + hid_t space_id; IN: ID of the dataspace with selection to + iterate over + RETURNS + Non-negative on success / Negative on failure + DESCRIPTION + Resets a dataspace selection iterator back to an initial state so that + the iterator may be used for iteration once again. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +herr_t +H5Ssel_iter_reset(hid_t sel_iter_id, hid_t space_id) +{ + H5S_sel_iter_t *sel_iter; + H5S_t * space; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ii", sel_iter_id, space_id); + + /* Check args */ + if (NULL == (sel_iter = (H5S_sel_iter_t *)H5I_object_verify(sel_iter_id, H5I_SPACE_SEL_ITER))) + HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "not a dataspace selection iterator") + if (NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE))) + HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "not a dataspace") + + /* Call selection type-specific release routine */ + if (H5S_SELECT_ITER_RELEASE(sel_iter) < 0) + HGOTO_ERROR(H5E_DATASPACE, H5E_CANTRELEASE, FAIL, + "problem releasing a selection iterator's type-specific info") + + /* Simply re-initialize iterator */ + if (H5S_select_iter_init(sel_iter, space, sel_iter->elmt_size, sel_iter->flags) < 0) + HGOTO_ERROR(H5E_DATASPACE, H5E_CANTINIT, FAIL, "unable to re-initialize selection iterator") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Ssel_iter_reset() */ + /*------------------------------------------------------------------------- * Function: H5S_sel_iter_close * |