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Import of Empire 4.2.12

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Markus Armbruster 2003-08-23 12:23:04 +00:00
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src/lib/common/hours.c Normal file
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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* 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 2 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* hours.c: Game hours determination; is it legal to play now?
*
* Known contributors to this file:
* Dave Pare, 1989
* Doug Hay, 1998
* Steve McClure, 1998
*/
#include <stdio.h>
#include "misc.h"
#include "nat.h"
#include "tel.h"
#include "proto.h"
#include "com.h"
#include "deity.h"
#include "keyword.h"
#include "file.h"
#include "common.h"
#if defined(Rel4) || defined(_WIN32)
#include <time.h>
#else
#include <sys/time.h>
#endif /* Rel4 */
/*
* returns true if game can be played now.
* Sets the number of minutes until the hours
* function must be re-called.
*/
int
gamehours(time_t now, int *hour)
{
extern s_char *game_days,*game_hours;
extern int errno;
extern struct tm *localtime(const time_t *);
register s_char *bp;
register struct tm *tm;
int day;
int curtime;
int okday[7];
int tomorrow;
tm = localtime(&now);
curtime = tm->tm_min + tm->tm_hour * 60;
bp = game_days;
if (*bp != 0) {
for (day=0; day<7; day++)
okday[day] = 0;
while (NULL != (bp = kw_parse(CF_WEEKDAY, bp, &day)))
okday[day] = 1;
} else {
for (day=0; day<7; day++)
okday[day] = 1;
}
if (!okday[tm->tm_wday])
return 0;
bp = game_hours;
if (*bp != 0) {
while (NULL != (bp = kw_parse(CF_TIMERANGE, bp, hour)))
if (curtime >= hour[0] && curtime < hour[1])
break;
if (bp == 0)
return 0;
} else {
hour[0] = 0;
hour[1] = 24*60;
}
tomorrow = tm->tm_wday + 1;
if (tomorrow >= 7)
tomorrow = 0;
return 1;
}