net/khttpd/make_times_h.c

DEFINITIONS

1. GetDay
2. WeekGetDay
3. main

/*

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)
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{
        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)
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{
        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)
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{
        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;
}