func openGroup(id C.hid_t, name string, gapl_flag C.hid_t) (*Group, error) {
c_name := C.CString(name)
defer C.free(unsafe.Pointer(c_name))
hid := C.H5Gopen2(id, c_name, gapl_flag)
if err := h5err(C.herr_t(int(hid))); err != nil {
return nil, err
}
g := &Group{Location{hid}}
runtime.SetFinalizer(g, (*Group).finalizer)
return g, nil
}
// OpenGroup opens an existing child group from this Group.
func (g *CommonFG) OpenGroup(name string) (*Group, error) {
c_name := C.CString(name)
defer C.free(unsafe.Pointer(c_name))
hid := C.H5Gopen2(g.id, c_name, P_DEFAULT.id)
if err := h5err(C.herr_t(int(hid))); err != nil {
return nil, err
}
group := &Group{CommonFG{Location{Identifier{hid}}}}
runtime.SetFinalizer(group, (*Group).finalizer)
return group, nil
}
// Opens an existing group in a file.
// hid_t H5Gopen2( hid_t loc_id, const char * name, hid_t gapl_id )
func (f *File) OpenGroup(name string, gapl_flag int) (g *Group, err error) {
g = nil
err = nil
c_name := C.CString(name)
defer C.free(unsafe.Pointer(c_name))
hid := C.H5Gopen2(f.id, c_name, C.hid_t(gapl_flag))
err = togo_err(C.herr_t(int(hid)))
if err != nil {
return
}
g = &Group{id: hid}
runtime.SetFinalizer(g, (*Group).h5g_finalizer)
return
}