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| -rw-r--r-- | src/H5Dpublic.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/H5Dpublic.h b/src/H5Dpublic.h index 22e856d..13a6d34 100644 --- a/src/H5Dpublic.h +++ b/src/H5Dpublic.h @@ -423,6 +423,20 @@ H5_DLL hid_t H5Dget_space(hid_t dset_id); * \details H5Dget_space_status() determines whether space has been allocated * for the dataset \p dset_id. * + * \note \Bold{BUG:} Prior to the HDF5 1.14.0, 1.12.2 and 1.10.9 releases, + * H5Dget_space_status() may return incorrect space allocation status + * values for datasets with filters applied to them. + * H5Dget_space_status() calculated the space allocation status by + * comparing the sum of the sizes of all the allocated chunks in the + * dataset against the total data size of the dataset, as calculated by + * the number of elements in the dataset's dataspace multiplied by the + * dataset's datatype size. If the dataset had any compression filters + * applied to it and the dataset chunks were successfully compressed, + * the sum of the sizes of the allocated dataset chunks would generally + * always be less than the total data size of the dataset, and + * H5Dget_space_status() wouldn't ever return + * `H5D_SPACE_STATUS_ALLOCATED`. + * * \since 1.6.0 * */ |