diff options
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/stty/stty.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/bin/stty/stty.c b/bin/stty/stty.c index d8ce2ff..9d9f679 100644 --- a/bin/stty/stty.c +++ b/bin/stty/stty.c @@ -30,7 +30,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: stty.c,v 1.3 1995/04/29 15:00:34 bde Exp $ + * $Id: stty.c,v 1.4 1995/05/30 00:07:28 rgrimes Exp $ */ #ifndef lint @@ -95,10 +95,12 @@ main(argc, argv) args: argc -= optind; argv += optind; + if (tcgetattr(i.fd, &i.t) < 0) { + warn("tcgetattr: not running on a terminal"); + exit(1); + } if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0) err(1, "TIOCGETD"); - if (tcgetattr(i.fd, &i.t) < 0) - err(1, "tcgetattr"); if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0) warn("TIOCGWINSZ: %s\n", strerror(errno)); |
