1 #define _DEFAULT_SOURCE

     2 #include <stdio.h>

     3 #include <stdlib.h>

     4 #include <unistd.h>

     5 #include <strings.h>

     6 #include <sys/time.h>

     7 #include <errno.h>

     8 #include <time.h>

     9 

    10 #include "config.h"

    11 

    12 int

    13 main(void)

    14 {

    15     char buf[129];

    16     time_t tim;

    17     struct tm *timtm;

    18 

    19     setenv("TZ", TIMEZONE, 1);

    20 

    21     while (1) {

    22         bzero(buf, sizeof(buf));

    23 	tim = time(NULL);

    24 	timtm = localtime(&tim);

    25 	if (timtm == NULL) {

    26 		perror("localtime");

    27 		exit(1);

    28 	}

    29 

    30 	if (!strftime(buf, sizeof(buf)-1, TIMEFORMAT, timtm)) {

    31 		fprintf(stderr, "strftime == 0\n");

    32 		exit(1);

    33 	}

    34 	printf("%s\n", buf);

    35 	fflush(stdout);

    36 	sleep(UPDATE_PERIOD);

    37     }

    38 }