/* RFC2822 timestamp and individual day, month and year files */

#include <time.h>
#include <stdio.h>
#include <string.h>

int main(void) {
  char rfc2822[200];
  FILE *outfpts = NULL;
  FILE *outfpday = NULL;
  FILE *outfpmonth = NULL;
  FILE *outfpyear = NULL;
  time_t t;
  struct tm *currenttime;
  t = time(NULL);
  currenttime = localtime(&t);
  strftime(rfc2822, sizeof(rfc2822), "%a, %d %b %Y %H:%M:%S %z", currenttime);
  outfpts = fopen("${CONFIG_TIMESTAMP_FILE}", "w");
  outfpday = fopen("${CONFIG_TIME_DAY_FILE}", "w");
  outfpmonth = fopen("${CONFIG_TIME_MONTH_FILE}", "w");
  outfpyear = fopen("${CONFIG_TIME_YEAR_FILE}", "w");
  fprintf(outfpts, "%s", rfc2822);
  if (currenttime->tm_mday < 10) fprintf(outfpday, "0");
  fprintf(outfpday, "%d", currenttime->tm_mday);
  if (currenttime->tm_mon < 10) fprintf(outfpmonth, "0");
  fprintf(outfpmonth, "%d", currenttime->tm_mon + 1);
  fprintf(outfpyear, "%d", currenttime->tm_year + 1900);
  fclose(outfpts);
  fclose(outfpday);
  fclose(outfpmonth);
  fclose(outfpyear);
  return 0;
}