| ! Copyright 2022-2024 Free Software Foundation, Inc. |
| ! |
| ! This program is free software; you can redistribute it and/or modify |
| ! it under the terms of the GNU General Public License as published by |
| ! the Free Software Foundation; either version 3 of the License, or |
| ! (at your option) any later version. |
| ! |
| ! This program is distributed in the hope that it will be useful, |
| ! but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| ! GNU General Public License for more details. |
| ! |
| ! You should have received a copy of the GNU General Public License |
| ! along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| program empty_string |
| implicit none |
| |
| integer :: ret |
| |
| ret = string_length('') |
| |
| contains |
| |
| integer(kind=4) function string_length(string) |
| character*(*) :: string |
| string_length = len(string) ! Break here. |
| end function string_length |
| |
| end program empty_string |