42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
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/* Convert UTC calendar time to simple time. Like mktime but assumes UTC.
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Copyright (C) 1994, 1997, 2003, 2004, 2006, 2007 Free Software
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Foundation, Inc. This file is part of the GNU C Library.
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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 3, 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
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along 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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#ifndef _LIBC
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# include <config.h>
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#endif
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#include <time.h>
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#ifndef _LIBC
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# undef __gmtime_r
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# define __gmtime_r gmtime_r
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# define __mktime_internal mktime_internal
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time_t __mktime_internal (struct tm *,
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struct tm * (*) (time_t const *, struct tm *),
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time_t *);
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#endif
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time_t
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timegm (struct tm *tmp)
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{
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static time_t gmtime_offset;
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tmp->tm_isdst = 0;
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return __mktime_internal (tmp, __gmtime_r, &gmtime_offset);
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}
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