void
start_progress_meter(char *f, off_t filesize, off_t *ctr)
{
struct winsize winsize;
start = last_update = time(NULL);
file = f;
end_pos = filesize;
cur_pos = 0;
counter = ctr;
stalled = 0;
bytes_per_second = 0;
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 &&
winsize.ws_col != 0) {
if (winsize.ws_col > MAX_WINSIZE)
win_size = MAX_WINSIZE;
else
win_size = winsize.ws_col;
} else
win_size = DEFAULT_WINSIZE;
win_size += 1; /* trailing \0 */
if (can_output())
refresh_progress_meter();
signal(SIGALRM, update_progress_meter);
alarm(UPDATE_INTERVAL);
}
void
stop_progress_meter(void)
{
alarm(0);
if (!can_output())
return;
/* Ensure we complete the progress */
if (cur_pos != end_pos)
refresh_progress_meter();
write(STDOUT_FILENO, "\n", 1);
}
static void
update_progress_meter(int ignore)
{
int save_errno;
save_errno = errno;
if (can_output())
refresh_progress_meter();
signal(SIGALRM, update_progress_meter);
alarm(UPDATE_INTERVAL);
errno = save_errno;
}
void
stop_progress_meter(void)
{
alarm(0);
if (!can_output())
return;
/* Ensure we complete the progress */
if (cur_pos != end_pos)
refresh_progress_meter();
/* Silly workaround for -Werror=unused-result */
if (write(STDOUT_FILENO, "\n", 1) <= 0) {}
}
/*ARGSUSED*/
static void
update_progress_meter(__unused int ignore)
{
int save_errno;
save_errno = errno;
if (win_resized) {
setscreensize();
win_resized = 0;
}
if (can_output())
refresh_progress_meter();
signal(SIGALRM, update_progress_meter);
alarm(UPDATE_INTERVAL);
errno = save_errno;
}
void
start_progress_meter(char *f, off_t filesize, off_t *ctr)
{
start = last_update = time(NULL);
file = f;
end_pos = filesize;
cur_pos = 0;
counter = ctr;
stalled = 0;
bytes_per_second = 0;
setscreensize();
if (can_output())
refresh_progress_meter();
signal(SIGALRM, update_progress_meter);
signal(SIGWINCH, sig_winch);
alarm(UPDATE_INTERVAL);
}