diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5Dint.c | 72 |
1 files changed, 40 insertions, 32 deletions
diff --git a/src/H5Dint.c b/src/H5Dint.c index a5d214e..ae25d17 100644 --- a/src/H5Dint.c +++ b/src/H5Dint.c @@ -528,39 +528,47 @@ H5D__get_space_status(H5D_t *dset, H5D_space_status_t *allocation, hid_t dxpl_id HDassert(dset); - /* Get the dataset's dataspace */ - HDassert(dset->shared->space); - - /* Get the total number of elements in dataset's dataspace */ - if((snelmts = H5S_GET_EXTENT_NPOINTS(dset->shared->space)) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve number of elements in dataspace") - nelmts = (hsize_t)snelmts; - - /* Get the size of the dataset's datatype */ - if(0 == (dt_size = H5T_GET_SIZE(dset->shared->type))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve size of datatype") - - /* Compute the maximum size of the dataset in bytes */ - full_size = nelmts * dt_size; - - /* Check for overflow during multiplication */ - if(nelmts != (full_size / dt_size)) - HGOTO_ERROR(H5E_DATASET, H5E_OVERFLOW, FAIL, "size of dataset's storage overflowed") - - /* Difficult to error check, since the error value is 0 and 0 is a valid value... :-/ */ - if(H5D__get_storage_size(dset, dxpl_id, &space_allocated) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get size of dataset's storage") - - /* Decide on how much of the space is allocated */ - if(space_allocated == 0) - *allocation = H5D_SPACE_STATUS_NOT_ALLOCATED; - else if(space_allocated == full_size) - *allocation = H5D_SPACE_STATUS_ALLOCATED; + /* Check for chunked layout */ + if(dset->shared->layout.type == H5D_CHUNKED) { + /* For chunked layout set the space status by the storage size */ + /* Get the dataset's dataspace */ + HDassert(dset->shared->space); + + /* Get the total number of elements in dataset's dataspace */ + if((snelmts = H5S_GET_EXTENT_NPOINTS(dset->shared->space)) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve number of elements in dataspace") + nelmts = (hsize_t)snelmts; + + /* Get the size of the dataset's datatype */ + if(0 == (dt_size = H5T_GET_SIZE(dset->shared->type))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve size of datatype") + + /* Compute the maximum size of the dataset in bytes */ + full_size = nelmts * dt_size; + + /* Check for overflow during multiplication */ + if(nelmts != (full_size / dt_size)) + HGOTO_ERROR(H5E_DATASET, H5E_OVERFLOW, FAIL, "size of dataset's storage overflowed") + + /* Difficult to error check, since the error value is 0 and 0 is a valid value... :-/ */ + if(H5D__get_storage_size(dset, dxpl_id, &space_allocated) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get size of dataset's storage") + + /* Decide on how much of the space is allocated */ + if(space_allocated == 0) + *allocation = H5D_SPACE_STATUS_NOT_ALLOCATED; + else if(space_allocated == full_size) + *allocation = H5D_SPACE_STATUS_ALLOCATED; + else + *allocation = H5D_SPACE_STATUS_PART_ALLOCATED; + } /* end if */ else { - /* Should only happen for chunked datasets currently */ - HDassert(dset->shared->layout.type == H5D_CHUNKED); - - *allocation = H5D_SPACE_STATUS_PART_ALLOCATED; + /* For non-chunked layouts set space status by result of is_space_alloc + * function */ + if(dset->shared->layout.ops->is_space_alloc(&dset->shared->layout.storage)) + *allocation = H5D_SPACE_STATUS_ALLOCATED; + else + *allocation = H5D_SPACE_STATUS_NOT_ALLOCATED; } /* end else */ done: |