| /* Copyright (C) 1994-2014 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 |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <unistd.h> |
| #include <hurd.h> |
| #include <hurd/term.h> |
| #include <hurd/fd.h> |
| |
| /* Return the pathname of the terminal FD is open on, or NULL on errors. |
| The returned storage is good only until the next call to this function. */ |
| char * |
| ttyname (int fd) |
| { |
| error_t err; |
| static char nodename[1024]; /* XXX */ |
| |
| nodename[0] = '\0'; |
| if (err = HURD_DPORT_USE (fd, __term_get_nodename (port, nodename))) |
| { |
| if (err == MIG_BAD_ID || err == EOPNOTSUPP) |
| err = ENOTTY; |
| return __hurd_dfail (fd, err), NULL; |
| } |
| |
| return nodename; |
| } |
