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53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/* Reentrant time functions like localtime_r.
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Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Paul Eggert. */
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#ifndef _TIME_R_H
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#define _TIME_R_H
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/* Include <time.h> first, since it may declare these functions with
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signatures that disagree with POSIX, and we don't want to rename
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those declarations. */
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#include <time.h>
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#if !HAVE_TIME_R_POSIX
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/* Don't bother with asctime_r and ctime_r, since these functions are
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not safe (like asctime and ctime, they can overrun their 26-byte
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output buffers when given outlandish struct tm values), and we
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don't want to encourage applications to use unsafe functions. Use
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strftime or even sprintf instead. */
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# undef gmtime_r
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# undef localtime_r
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# define gmtime_r rpl_gmtime_r
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# define localtime_r rpl_localtime_r
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/* See the POSIX:2001 specification
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<http://www.opengroup.org/susv3xsh/gmtime.html>. */
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struct tm *gmtime_r (time_t const * restrict, struct tm * restrict);
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/* See the POSIX:2001 specification
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<http://www.opengroup.org/susv3xsh/localtime.html>. */
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struct tm *localtime_r (time_t const * restrict, struct tm * restrict);
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#endif
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#endif
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