Mercurial > gnulib
view lib/mktime-internal.h @ 39946:d7d58557ca8b
Mention changed minimum requirements for Automake and Autoconf.
* NEWS: Mention the new minimum requirements.
author | Bruno Haible <bruno@clisp.org> |
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date | Tue, 23 Oct 2018 01:08:10 +0200 |
parents | 9971c7f37ee6 |
children | b06060465f09 |
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/* mktime variant that also uses an offset guess Copyright 2016-2018 Free Software Foundation, Inc. This program 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. 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, see <https://www.gnu.org/licenses/>. */ #include <time.h> /* mktime_offset_t is a signed type wide enough to hold a UTC offset in seconds, and used as part of the type of the offset-guess argument to mktime_internal. Use time_t on platforms where time_t is signed, to be compatible with platforms like BeOS that export this implementation detail of mktime. On platforms where time_t is unsigned, GNU and POSIX code can assume 'int' is at least 32 bits which is wide enough for a UTC offset. */ #if TIME_T_IS_SIGNED typedef time_t mktime_offset_t; #else typedef int mktime_offset_t; #endif time_t mktime_internal (struct tm *, struct tm * (*) (time_t const *, struct tm *), mktime_offset_t *); /* Although glibc source code uses leading underscores, Gnulib wants ordinary names. Portable standalone applications should supply a <time.h> that declares a POSIX-compliant localtime_r, for the benefit of older implementations that lack localtime_r or have a nonstandard one. Similarly for gmtime_r. See the gnulib time_r module for one way to implement this. */ #undef __gmtime_r #undef __localtime_r #define __gmtime_r gmtime_r #define __localtime_r localtime_r #define __mktime_internal mktime_internal