diff options
| -rw-r--r-- | libc/termios/termios.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/libc/termios/termios.c b/libc/termios/termios.c index d6cd124d1..e0c3743d0 100644 --- a/libc/termios/termios.c +++ b/libc/termios/termios.c @@ -35,14 +35,13 @@ int isatty(int fd) { - struct __kernel_termios k_term; + struct __kernel_termios k_term; - /* - * When ioctl returns -1 we want to return 0 and - * when ioctl returns 0 we want to return 1. - * Incrementing is cheaper (size & speed) than a test. - */ - return ioctl(fd, TCGETS, &k_term) + 1; + /* + * When ioctl returns -1 we want to return 0 and + * when ioctl returns 0 we want to return 1. + */ + return (ioctl(fd, TCGETS, &k_term)==0)? 1 : 0; } #endif |