void
ask_dev(char *dbuf, const char *msg)
{
char buf[DEV_NAME_LEN];
int len;
clear();
unset_tty();
if (msg)
printf("%s\n", msg);
if (dbuf)
printf("Enter device name [%s]:", dbuf);
else
printf("Enter device name:");
if (fgets(buf, DEV_NAME_LEN - 1, stdin)) {
len = strlen(buf);
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
if (buf[0] != '\0' && buf[0] != ' ')
strcpy(dbuf, buf);
}
set_tty();
}
static void
cleanup(int signo __unused)
{
if (opt_timestamp)
timestamp("Logging Exited.");
close(snp_io);
unset_tty();
exit(EX_OK);
}
static void
fatal(int error, const char *buf)
{
unset_tty();
if (buf)
errx(error, "fatal: %s", buf);
else
exit(error);
}
/* closes the rs232 window again */
void rs232_close(int fd)
{
#ifdef DEBUG
log_debug(rs232_log, "close(fd=%d).", fd);
#endif
if (fd < 0 || fd >= RS232_NUM_DEVICES) {
log_error(rs232_log, "Attempt to close invalid fd %d.", fd);
return;
}
if (!fds[fd].inuse) {
log_error(rs232_log, "Attempt to close non-open fd %d.", fd);
return;
}
if (fds[fd].type == T_TTY) {
unset_tty(fd);
}
close(fds[fd].fd_r);
if ((fds[fd].type == T_PROC) && (fds[fd].fd_r != fds[fd].fd_w)) {
close(fds[fd].fd_w);
}
fds[fd].inuse = 0;
}
