| /* Features part to handle 64-bit time_t support. |
| Copyright (C) 2021-2022 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <https://www.gnu.org/licenses/>. */ |
| |
| /* We need to know the word size in order to check the time size. */ |
| #include <bits/wordsize.h> |
| #include <bits/timesize.h> |
| |
| #if defined _TIME_BITS |
| # if _TIME_BITS == 64 |
| # if ! defined (_FILE_OFFSET_BITS) || _FILE_OFFSET_BITS != 64 |
| # error "_TIME_BITS=64 is allowed only with _FILE_OFFSET_BITS=64" |
| # elif __TIMESIZE == 32 |
| # define __USE_TIME_BITS64 1 |
| # endif |
| # elif _TIME_BITS == 32 |
| # if __TIMESIZE > 32 |
| # error "_TIME_BITS=32 is not compatible with __TIMESIZE > 32" |
| # endif |
| # else |
| # error Invalid _TIME_BITS value (can only be 32 or 64-bit) |
| # endif |
| #endif |