diff options
Diffstat (limited to 'src/H5Snone.c')
| -rw-r--r-- | src/H5Snone.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/H5Snone.c b/src/H5Snone.c index 75f1543..cba2af4 100644 --- a/src/H5Snone.c +++ b/src/H5Snone.c @@ -19,6 +19,8 @@ #define INTERFACE_INIT NULL static intn interface_initialize_g = 0; +static herr_t H5S_select_none(H5S_t *space); + /*-------------------------------------------------------------------------- NAME @@ -100,6 +102,86 @@ done: /*-------------------------------------------------------------------------- NAME + H5S_select_none + PURPOSE + Specify that nothing is selected in the extent + USAGE + herr_t H5S_select_none(dsid) + hid_t dsid; IN: Dataspace ID of selection to modify + RETURNS + Non-negative on success/Negative on failure + DESCRIPTION + This function de-selects the entire extent for a dataspace. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static herr_t H5S_select_none (H5S_t *space) +{ + herr_t ret_value=SUCCEED; /* return value */ + + FUNC_ENTER (H5S_select_none, FAIL); + + /* Check args */ + assert(space); + + /* Remove current selection first */ + if(H5S_select_release(space)<0) { + HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, + "can't release hyperslab"); + } /* end if */ + + /* Set selection type */ + space->select.type=H5S_SEL_NONE; + +done: + FUNC_LEAVE (ret_value); +} /* H5S_select_none() */ + + +/*-------------------------------------------------------------------------- + NAME + H5Sselect_none + PURPOSE + Specify that nothing is selected in the extent + USAGE + herr_t H5Sselect_none(dsid) + hid_t dsid; IN: Dataspace ID of selection to modify + RETURNS + Non-negative on success/Negative on failure + DESCRIPTION + This function de-selects the entire extent for a dataspace. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +herr_t H5Sselect_none (hid_t spaceid) +{ + H5S_t *space = NULL; /* Dataspace to modify selection of */ + herr_t ret_value=FAIL; /* return value */ + + FUNC_ENTER (H5Sselect_none, FAIL); + + /* Check args */ + if (H5I_DATASPACE != H5I_get_type(spaceid) || + NULL == (space=H5I_object(spaceid))) { + HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data space"); + } + + /* Change to "none" selection */ + if((ret_value=H5S_select_none(space))<0) { + HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, "can't change selection"); + } /* end if */ + +done: + FUNC_LEAVE (ret_value); +} /* H5Sselect_none() */ + + +/*-------------------------------------------------------------------------- + NAME H5S_none_select_iterate PURPOSE Iterate over a none selection, calling a user's function for each |