diff options
Diffstat (limited to 'src/H5T.c')
| -rw-r--r-- | src/H5T.c | 34 |
1 files changed, 26 insertions, 8 deletions
@@ -539,6 +539,13 @@ static const H5I_class_t H5I_DATATYPE_CLS[1] = {{ (H5I_free_t)H5T_close /* Callback routine for closing objects of this class */ }}; +/* Format version bounds for datatype */ +static const unsigned H5O_dtype_ver_bounds[] = { + H5O_DTYPE_VERSION_1, /* H5F_LIBVER_EARLIEST */ + H5O_DTYPE_VERSION_3, /* H5F_LIBVER_V18 */ + H5O_DTYPE_VERSION_LATEST /* H5F_LIBVER_LATEST */ +}; + /* Flag indicating "top" of interface has been initialized */ static hbool_t H5T_top_package_initialize_s = FALSE; @@ -5403,9 +5410,11 @@ done: /*------------------------------------------------------------------------- - * Function: H5T_set_latest_version + * Function: H5T_set_version * - * Purpose: Set the encoding for a datatype to the latest version. + * Purpose: Set the encoding for a datatype to the version indicated by + * the file's low bound if that is higher than the datatype's + * version. * * Return: Non-negative on success/Negative on failure * @@ -5415,22 +5424,31 @@ done: *------------------------------------------------------------------------- */ herr_t -H5T_set_latest_version(H5T_t *dt) +H5T_set_version(H5F_t *f, H5T_t *dt) { - herr_t ret_value = SUCCEED; /* Return value */ + unsigned vers; /* The version */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Sanity check */ + HDassert(f); HDassert(dt); - /* Upgrade the format version for the datatype to the latest */ - if(H5T__upgrade_version(dt, H5O_DTYPE_VERSION_LATEST) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't upgrade datatype encoding") + vers = H5O_dtype_ver_bounds[H5F_LOW_BOUND(f)]; + if(vers > dt->shared->version) { + /* Upgrade the format version for the datatype */ + if(H5T__upgrade_version(dt, vers) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't upgrade datatype encoding") + } + + /* File bound check */ + if(dt->shared->version > H5O_dtype_ver_bounds[H5F_HIGH_BOUND(f)]) + HGOTO_ERROR(H5E_DATATYPE, H5E_BADRANGE, FAIL, "Datatype version out of bounds") done: FUNC_LEAVE_NOAPI(ret_value) -} /* end H5T_set_latest_version() */ +} /* end H5T_set_version() */ /*------------------------------------------------------------------------- |