mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-12-22 01:14:53 +01:00
8099050c71
This is the result of running
$ uncrustify --replace --config ../devel/uncrustify.cfg *.c *.h
in the compat directory
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* timegm.c --- Implementation of replacement timegm function.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 3, 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA. */
|
|
|
|
/* Copyright 2013 Blake Jones. */
|
|
|
|
#include <time.h>
|
|
#include "compat.h"
|
|
|
|
static int
|
|
leapyear (int year)
|
|
{
|
|
return ((year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0));
|
|
}
|
|
|
|
/*
|
|
* This is a simple implementation of timegm() which does what is needed
|
|
* by create_output() -- just turns the "struct tm" into a GMT time_t.
|
|
* It does not normalize any of the fields of the "struct tm", nor does
|
|
* it set tm_wday or tm_yday.
|
|
*/
|
|
time_t
|
|
timegm (struct tm *tm)
|
|
{
|
|
int monthlen[2][12] = {
|
|
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
|
|
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
|
|
};
|
|
int year, month, days;
|
|
|
|
days = 365 * (tm->tm_year - 70);
|
|
for (year = 70; year < tm->tm_year; year++) {
|
|
if (leapyear (1900 + year)) {
|
|
days++;
|
|
}
|
|
}
|
|
for (month = 0; month < tm->tm_mon; month++) {
|
|
days += monthlen[leapyear (1900 + year)][month];
|
|
}
|
|
days += tm->tm_mday - 1;
|
|
|
|
return ((((days * 24) + tm->tm_hour) * 60 + tm->tm_min) * 60 + tm->tm_sec);
|
|
}
|