diff options
Diffstat (limited to 'src/H5D.c')
| -rw-r--r-- | src/H5D.c | 50 |
1 files changed, 49 insertions, 1 deletions
@@ -38,7 +38,7 @@ struct H5D_t { H5G_entry_t ent; /*cached object header stuff */ H5T_t *type; /*datatype of this dataset */ H5P_t *space; /*dataspace of this dataset */ - H5D_create_t create_parms; /*creation parameters */ + H5D_create_t create_parms; /*creation parameters */ H5O_layout_t layout; /*data layout */ }; @@ -314,6 +314,54 @@ H5Dclose(hid_t dataset_id) } /*------------------------------------------------------------------------- + * Function: H5Dget_space + * + * Purpose: Returns a copy of the file data space for a dataset. + * + * Return: Success: ID for a copy of the data space. The data + * space should be released by calling + * H5Dclose(). + * + * Failure: FAIL + * + * Programmer: Robb Matzke + * Wednesday, January 28, 1998 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +hid_t +H5Dget_space (hid_t dataset_id) +{ + H5D_t *dataset = NULL; + H5P_t *copied_space = NULL; + hid_t ret_value = FAIL; + + FUNC_ENTER (H5Dget_space, FAIL); + + /* Check args */ + if (H5_DATASET!=H5A_group (dataset_id) || + NULL==(dataset=H5A_object (dataset_id))) { + HRETURN_ERROR (H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset"); + } + + /* Copy the data space */ + if (NULL==(copied_space=H5P_copy (dataset->space))) { + HRETURN_ERROR (H5E_DATASET, H5E_CANTINIT, FAIL, + "unable to copy the data space"); + } + + /* Create an atom */ + if ((ret_value=H5A_register (H5_DATASPACE, copied_space))<0) { + HRETURN_ERROR (H5E_ATOM, H5E_CANTREGISTER, FAIL, + "unable to register data space"); + } + + FUNC_LEAVE (ret_value); +} + +/*------------------------------------------------------------------------- * Function: H5Dread * * Purpose: Reads (part of) a DATASET from the file into application |