diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2006-12-05 21:28:15 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2006-12-05 21:28:15 +0000 |
| commit | f0d5e1f67bf5d856f7dad926746ca7170560e65f (patch) | |
| tree | 5c392aa4d0baa98aa814e249b0341af60b60dfda /sysdeps/unix/sysv/linux/ttyname_r.c | |
| parent | 30a58e6599d9d8419006eb12e413854674ab2f24 (diff) | |
* nis/nis_subr.c (nis_getnames): Revert last change.cvs/fedora-glibc-20061205T2141
2006-12-04 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/ttyname.c: Include termios.h.
(ttyname): Use tcgetattr instead of isatty, don't set errno to ENOTTY.
* sysdeps/unix/sysv/linux/ttyname_r.c: Include termios.h.
(__ttyname_r): Use tcgetattr instead of isatty, don't set errno to
ENOTTY.
* io/Makefile: Add rules to build and run tst-ttyname_r test.
* io/tst-ttyname_r.c: New test.
Diffstat (limited to 'sysdeps/unix/sysv/linux/ttyname_r.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/ttyname_r.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/ttyname_r.c b/sysdeps/unix/sysv/linux/ttyname_r.c index bd415f167b..cef8624dc6 100644 --- a/sysdeps/unix/sysv/linux/ttyname_r.c +++ b/sysdeps/unix/sysv/linux/ttyname_r.c @@ -22,6 +22,7 @@ #include <dirent.h> #include <sys/types.h> #include <sys/stat.h> +#include <termios.h> #include <unistd.h> #include <string.h> #include <stdlib.h> @@ -115,11 +116,11 @@ __ttyname_r (int fd, char *buf, size_t buflen) return ERANGE; } - if (__builtin_expect (!__isatty (fd), 0)) - { - __set_errno (ENOTTY); - return ENOTTY; - } + /* isatty check, tcgetattr is used because it sets the correct + errno (EBADF resp. ENOTTY) on error. */ + struct termios term; + if (__builtin_expect (__tcgetattr (fd, &term) < 0, 0)) + return errno; /* We try using the /proc filesystem. */ *_fitoa_word (fd, __stpcpy (procname, "/proc/self/fd/"), 10, 0) = '\0'; |