hdf5_ep

herr_t

H5A_free(H5A_t *attr)

{

    herr_t ret_value = SUCCEED;           /* Return value */

​

    FUNC_ENTER_NOAPI(FAIL)

​

    HDassert(attr);

​

    if(attr->shared->name) {

        H5MM_xfree(attr->shared->name);

        attr->shared->name = NULL;

    }

    if(attr->shared->dt) {

        if(H5T_close(attr->shared->dt) < 0)

        HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release datatype info")

        attr->shared->dt = NULL;

    }

    if(attr->shared->ds) {

    HDassert(attr);

    HDassert(attr->shared);

​

    /* Close the object's symbol-table entry */

    if(attr->obj_opened && (H5O_close(&(attr->oloc)) < 0))

        HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release object header info")

​

    /* Reference count can be 0.  It only happens when H5A_create fails. */

    if(attr->shared->nrefs <= 1) {

        if(H5A_free(attr) < 0)

            HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release attribute info")

​

        /* Destroy shared attribute struct */

        attr->shared = H5FL_FREE(H5A_shared_t, attr->shared);

    } /* end if */

    else {

        /* There are other references to the shared part of the attribute.

         * Only decrement the reference count. */

        --attr->shared->nrefs;