1 #define _DEFAULT_SOURCE

     2 #include <stdio.h>

     3 #include <stdlib.h>

     4 #include <unistd.h>

     5 #include <string.h>

     6 #include <errno.h>

     7 

     8 #include "config.h"

     9 

    10 int

    11 main(void)

    12 {

    13     while (1) {

    14         double avgs[3];

    15         char *cols[3];

    16 

    17         if (getloadavg(avgs, 3) < 0) {

    18             perror("getloadavg");

    19             exit(1);

    20         }

    21         for ( int i = 0; i < 3; i++ ) {

    22             if ( avgs[i] <= GREEN )

    23                 cols[i] = "color='green'";

    24             else if ( avgs[i] <= ORANGE )

    25                 cols[i] = "color='orange'";

    26             else

    27                 cols[i] = "color='red'";

    28         }

    29 

    30         printf("<span %s>%.2f</span> <span %s>%.2f</span> <span %s>%.2f</span>\n",

    31             cols[0], avgs[0], cols[1], avgs[1], cols[2], avgs[2]);

    32         fflush(stdout);

    33         sleep(UPDATE_PERIOD);

    34     }

    35 }