b43fcbdab2
Checked with upstream lynx source code and the second calculation line is the upstream one, too. (In fact I diffed the whole function to check for changes) cppcheck reported: [rockbox/firmware/libc/mktime.c:43] -> [rockbox/firmware/libc/mktime.c:44]: (performance) Variable 'result' is reassigned a value before the old one has been used. Change-Id: Ia04c5f55da7d86cd74cff4fce675a9c85ddce3e2
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <time.h>
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#include "config.h"
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/* mktime() code taken from lynx-2.8.5 source, written
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by Philippe De Muyter <phdm@macqel.be> */
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time_t mktime(struct tm *t)
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{
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short month, year;
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time_t result;
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static int m_to_d[12] =
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{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
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month = t->tm_mon;
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year = t->tm_year + month / 12 + 1900;
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month %= 12;
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if (month < 0)
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{
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year -= 1;
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month += 12;
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}
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result = (year - 1970) * 365 + m_to_d[month];
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if (month <= 1)
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year -= 1;
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result += (year - 1968) / 4;
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result -= (year - 1900) / 100;
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result += (year - 1600) / 400;
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result += t->tm_mday;
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result -= 1;
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result *= 24;
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result += t->tm_hour;
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result *= 60;
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result += t->tm_min;
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result *= 60;
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result += t->tm_sec;
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return(result);
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}
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