diff options
Diffstat (limited to 'sysdeps/unix/bsd/ptsname.c')
-rw-r--r-- | sysdeps/unix/bsd/ptsname.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/sysdeps/unix/bsd/ptsname.c b/sysdeps/unix/bsd/ptsname.c index cd7c42fa33..fd446a4b66 100644 --- a/sysdeps/unix/bsd/ptsname.c +++ b/sysdeps/unix/bsd/ptsname.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998 Free Software Foundation, Inc. +/* Copyright (C) 1998,2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -53,22 +53,20 @@ __ptsname_r (int fd, char *buf, size_t buflen) } if (!__isatty (fd)) - { - __set_errno (ENOTTY); - return ENOTTY; - } + /* We rely on isatty to set errno properly (i.e. EBADF or ENOTTY). */ + return errno; if (buflen < strlen (_PATH_TTY) + 3) { __set_errno (ERANGE); return ERANGE; } - + if (__ttyname_r (fd, buf, buflen) != 0) return errno; buf[sizeof (_PATH_DEV) - 1] = 't'; - + if (__stat (buf, &st) < 0) return errno; |