char* ioctl_get_msg(int file_desc) {
int ret_val;
char message[MAX_SIZE];
ret_val = ioctl(file_desc, IOCTL_GET_MSG, message);
if (ret_val < 0) {
printf("ioctl_get_msg failed:%d\n", ret_val);
exit(-1);
}
print_battery(strtol(message, 0, 10));
}
int main(void) {
FILE *fp_mail;
char *status = (char *)alloca(200);
int b, d, m;
b = BATTERY_INTERVAL;
d = DATE_INTERVAL;
m = MAIL_INTERVAL;
struct timespec interval = {
.tv_sec = UPDATE_INTERVAL,
.tv_nsec = 0 };
int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
for ( ; ; nanosleep(&interval, NULL)) {
if (++b > BATTERY_INTERVAL) {
print_battery();
b = 0; }
if (++d > DATE_INTERVAL) {
print_time();
d = 0; }
if (++m > MAIL_INTERVAL) {
if (print_mail(fp_mail) == 0) {
m = 0; }
if (errno == EBADF) {
fp_mail = mail_init(); } }
if (sockfd != -1) {
print_iw(sockfd); }
strncpy(_root, print_free("/"), _FREE_LEN);
strncpy(_home, print_free("/home"), _FREE_LEN);
print_time();
print_cpu();
print_memory();
snprintf(status, 200, "%s %s | %s | %s | %s | %s | %s | %s"
, _root, _home, _iw, _battery, _mail, _cpu
, _mem, _date);
printf("%s\n", status);
}//break; }
pclose(fp_mail);
cleanup(sockfd); }
double get_battery_stats(const char *path) {
FILE *stats;
double value = 0;
if ((stats = fopen(path, "r"))== NULL) {
return -1; }
fscanf(stats, "%lf", &value);
fclose(stats);
return value; }
