blob: 84d56ee3ff2ecfa0d2499385623f30606f84a1bf [file] [log] [blame]
/* 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