Viewing file:  make_times_h.c (2.4 KB) -rw-r--r--
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/*
This program generates the "times.h" file with the zulu-times of the first of
every month of a decade.
*/
/****************************************************************
* 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
****************************************************************/
#include <time.h>
#include <stdio.h>
static time_t GetDay(int D,int M,int Y)
{
struct tm TM;
TM.tm_sec = 0;
TM.tm_min = 0;
TM.tm_hour = 0;
TM.tm_mday = D;
TM.tm_mon = M;
TM.tm_wday = 0;
TM.tm_yday = 0;
TM.tm_year = Y-1900;
TM.tm_isdst = 0;
return mktime(&TM);
}
static int WeekGetDay(int D,int M,int Y)
{
struct tm TM;
TM.tm_sec = 0;
TM.tm_min = 0;
TM.tm_hour = 0;
TM.tm_mday = D;
TM.tm_mon = M;
TM.tm_year = Y-1900;
TM.tm_isdst = 0;
TM.tm_wday = 0;
TM.tm_yday = 0;
(void)mktime(&TM);
return TM.tm_wday;
}
int main(void)
{
int M,Y;
FILE *file;
file=fopen("times.h","w");
if (file==NULL)
return 0;
fprintf(file,"static time_t TimeDays[10][13] = { \n");
Y=1997;
while (Y<2007)
{
M=0;
fprintf(file," { ");
while (M<12)
{
fprintf(file,"%i",(int)GetDay(1,M,Y));
fprintf(file,",\t");
M++;
}
fprintf(file,"%i } ",(int)GetDay(1,0,Y+1));
if (Y!=2006) fprintf(file,",");
fprintf(file,"\n");
Y++;
}
fprintf(file,"};\n");
fprintf(file,"static int WeekDays[10][13] = { \n");
Y=1997;
while (Y<2007)
{
M=0;
fprintf(file," { ");
while (M<12)
{
fprintf(file,"%i",(int)WeekGetDay(1,M,Y));
fprintf(file,",\t");
M++;
}
fprintf(file,"%i } ",(int)WeekGetDay(1,0,Y+1));
if (Y!=2006) fprintf(file,",");
fprintf(file,"\n");
Y++;
}
fprintf(file,"};\n");
fprintf(file,"#define KHTTPD_YEAROFFSET 1997\n");
fprintf(file,"#define KHTTPD_NUMYEARS 10\n");
(void)fclose(file);
return 0;
}
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