diff options
Diffstat (limited to 'src/H5D.c')
| -rw-r--r-- | src/H5D.c | 53 |
1 files changed, 46 insertions, 7 deletions
@@ -5,12 +5,10 @@ * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * - * the files COPYING and Copyright.html. COPYING can be found at the root * - * of the source code distribution tree; Copyright.html can be found at the * - * root level of an installed copy of the electronic HDF5 document set and * - * is linked from the top-level documents page. It can also be found at * - * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * - * access to either file, you may request a copy from help@hdfgroup.org. * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /****************/ @@ -416,7 +414,7 @@ H5Dclose(hid_t dset_id) /* * Decrement the counter on the dataset. It will be freed if the count - * reaches zero. + * reaches zero. * * Pass in TRUE for the 3rd parameter to tell the function to remove * dataset's ID even though the freeing function might fail. Please @@ -1002,3 +1000,44 @@ done: FUNC_LEAVE_API(ret_value) } /* end H5Dset_extent() */ + +/*------------------------------------------------------------------------- + * Function: H5Dget_chunk_storage_size + * + * Purpose: Returns the size of an allocated of chunk. + * + * Return: Non-negative on success, negative on failure + * + * Programmer: Matthew Strong (GE Healthcare) + * 20 October 2016 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Dget_chunk_storage_size(hid_t dset_id, const hsize_t *offset, hsize_t *chunk_nbytes) +{ + H5D_t *dset = NULL; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE3("e", "i*h*h", dset_id, offset, chunk_nbytes); + + /* Check arguments */ + if(NULL == (dset = (H5D_t *)H5I_object_verify(dset_id, H5I_DATASET))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset") + if( NULL == offset ) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid argument (null)") + if( NULL == chunk_nbytes ) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid argument (null)") + + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Call private function */ + if(H5D__get_chunk_storage_size(dset, H5AC_ind_dxpl_id, offset, chunk_nbytes) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get storage size of chunk") + +done: + FUNC_LEAVE_API(ret_value); +} + |