if (tty->fd <= 0) {
fprintf(stderr, "failed to open tty: %m\n");
+ free(tty);
return NULL;
}
if (tcgetattr(tty->fd, &tty->terminal_attributes) < 0) {
fprintf(stderr, "could not get terminal attributes: %m\n");
- return NULL;
+ goto err;
}
/* Ignore control characters and disable echo */
tty->input_source =
wl_event_loop_add_fd(loop, tty->fd,
WL_EVENT_READABLE, on_tty_input, tty);
+ if (!tty->input_source)
+ goto err_attr;
ret = ioctl(tty->fd, KDSETMODE, KD_GRAPHICS);
if (ret) {
fprintf(stderr, "failed to set KD_GRAPHICS mode on tty: %m\n");
- return NULL;
+ goto err_input_source;
}
tty->has_vt = 1;
mode.acqsig = SIGUSR1;
if (ioctl(tty->fd, VT_SETMODE, &mode) < 0) {
fprintf(stderr, "failed to take control of vt handling\n");
- return NULL;
+ goto err_kdmode;
}
tty->vt_source =
wl_event_loop_add_signal(loop, SIGUSR1, vt_handler, tty);
+ if (!tty->vt_source)
+ goto err_vtmode;
return tty;
+
+err_vtmode:
+ ioctl(tty->fd, VT_SETMODE, &mode);
+
+err_kdmode:
+ ioctl(tty->fd, KDSETMODE, KD_TEXT);
+
+err_input_source:
+ wl_event_source_remove(tty->input_source);
+
+err_attr:
+ tcsetattr(tty->fd, TCSANOW, &tty->terminal_attributes);
+
+err:
+ close(tty->fd);
+ free(tty);
+ return NULL;
}
void