diff options
author | pixel <pixel> | 2003-04-13 12:44:14 +0000 |
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committer | pixel <pixel> | 2003-04-13 12:44:14 +0000 |
commit | 7fc9c6dfbef57331c8b5eae0943f3fe95f2e63e1 (patch) | |
tree | f25e693f7842364b0416593cf6a77d383812ce91 /generic/datecalc.c | |
parent | ec2c97793151512f5dca3290dbd9f24a09b7ac6f (diff) |
Removing Baltisot from there
Diffstat (limited to 'generic/datecalc.c')
-rw-r--r-- | generic/datecalc.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/generic/datecalc.c b/generic/datecalc.c deleted file mode 100644 index e637b26..0000000 --- a/generic/datecalc.c +++ /dev/null @@ -1,80 +0,0 @@ -/* datedif - calculates the difference in days between two dates - * Copyright (C) 2000 Micael Widell contact: xeniac@linux.nu - * - * 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. - */ - -#include <time.h> -#include <stdlib.h> -#include <string.h> - - -/* Gaus's formula - days since 1.3.1600 (Gregorian calendar) */ -int days(register int n, register int m, register int y) -{ - register int cy; - if((m -= 2) <= 0){ - m += 12; y--; - } - y -= 1600; cy = y/100; - return 365*y+y/4-cy+cy/4+367*m/12+n-31; -} - - -double dateCalc(char * date1, char * date2){ - - /* Declare the needed variables */ - char* date[2]; - struct tm *date_tm[2]; - time_t date_time_t[2]; - double dateDifference; - int isToday[2] = { 0, 0 }; - char buffer[5]; - int day[2], month[2], year[2], i; - - date[0] = date1; - date[1] = date2; - - /* If any of the arguments are "today", then include today's date in the - right variables */ - for(i = 0; i < 2; i++){ - if(!strcmp(date[i], "today")){ - time(&date_time_t[i]); - date_tm[i] = localtime(&date_time_t[i]); - day[i] = (*date_tm[i]).tm_mday; - month[i] = (*date_tm[i]).tm_mon + 1; - year[i] = (*date_tm[i]).tm_year + 1900; - isToday[i] = 1; - } - } - - /* Cut out the year, month and day from 8-digit datestrings */ - for (i = 0; i < 2; i++){ - if(!isToday[i]){ - memset(buffer, 0, 5); - strncpy(buffer, &date[i][6], 2); - day[i] = atoi(buffer); - strncpy(buffer, &date[i][4], 2); - month[i] = atoi(buffer); - strncpy(buffer, date[i], 4); - year[i] = atoi(buffer); - } - } - - /* Calculate the difference */ - dateDifference = days(day[1], month[1], year[1]) - days(day[0], month[0], year[0]); - - return dateDifference; -} |