1 /**

     2  * test/demos/min2time.c

     3  * Copyright (C) 2008 Markus Broeker

     4  */

     5 

     6 #include <stdio.h>

     7 #include <stdlib.h>

     8 #include <string.h>

     9 #include <limits.h>

    10 

    11 int main (int argc, char **argv)

    12 {

    13     int minutes;

    14 

    15     if (argc == 2)

    16         minutes = atoi (argv[1]);

    17     else {

    18         printf ("Enter the amount of minutes: ");

    19         if (!scanf ("%d", &minutes))

    20             return EXIT_FAILURE;

    21     }

    22 

    23     if ((minutes < 0) || !(minutes < INT_MAX))

    24         return EXIT_FAILURE;

    25 

    26     printf ("%.3d:%.2d:%.2d:%.2d (yy:dd:hh:mm)\n", minutes / 60 / 24 / 365, (minutes / (60 * 24) % 365),

    27             (minutes / 60) % 24, minutes % 60);

    28 

    29     return EXIT_SUCCESS;

    30 }