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- /* Features part to handle 64-bit time_t support.
- Copyright (C) 2021-2023 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
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