release/src/router/wanuptime/wanuptime.c

   1 #include <stdio.h>
   2 #include <sys/sysinfo.h>
   3 #include <time.h>
   4
   5 int main(int argc, char **argv)
   6 {
   7   struct sysinfo si;
   8   time_t uptime;
   9
  10   sysinfo(&si);
  11   if (check_wanup() && (f_read("/var/lib/misc/wantime", &uptime, sizeof(time_t)) ==  sizeof(uptime))) {
  12     printf("%ld\n",si.uptime - uptime);
  13   }
  14   else
  15     printf("0\n");
  16   return 0;
  17 }