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편집 파일: features-time64.h

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