lib/ccan/time/_info

   1 #include <string.h>
   2 #include "config.h"
   3
   4 /**
   5  * time - routines for dealing with time
   6  *
   7  * This code provides convenient functions for working with time.
   8  *
   9  * Author: Rusty Russell <rusty@rustcorp.com.au>
  10  * License: BSD-MIT
  11  *
  12  * Example:
  13  *      #include <ccan/time/time.h>
  14  *      #include <stdlib.h>
  15  *      #include <stdio.h>
  16  *      #include <err.h>
  17  *
  18  *      int main(int argc, char *argv[])
  19  *      {
  20  *              struct timeval t;
  21  *
  22  *              if (argc != 2)
  23  *                      errx(1, "Usage: %s <diff in millisec>", argv[0]);
  24  *
  25  *              t = time_now();
  26  *              if (argv[1][0] == '-')
  27  *                      t = time_sub(t, time_from_msec(atol(argv[1]+1)));
  28  *              else
  29  *                      t = time_add(t, time_from_msec(atol(argv[1])));
  30  *
  31  *              printf("%lu.%06u\n",
  32  *                     (unsigned long)t.tv_sec, (unsigned)t.tv_usec);
  33  *              return 0;
  34  *      }
  35  */
  36 int main(int argc, char *argv[])
  37 {
  38         /* Expect exactly one argument */
  39         if (argc != 2)
  40                 return 1;
  41
  42         if (strcmp(argv[1], "depends") == 0) {
  43                 return 0;
  44         }
  45
  46         return 1;
  47 }