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-rw-r--r--src/H5D.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/H5D.c b/src/H5D.c
index 6f69ee4..a6de952 100644
--- a/src/H5D.c
+++ b/src/H5D.c
@@ -1087,3 +1087,43 @@ done:
FUNC_LEAVE_API(ret_value)
} /* H5Dget_chunk_index_type() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5Dget_chunk_storage_size
+ *
+ * Purpose: Returns the size of an allocated 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, H5P_DATASET_XFER_DEFAULT, offset, chunk_nbytes) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get storage size of chunk")
+
+done:
+ FUNC_LEAVE_API(ret_value);
+}