126d4f5e9SEd Schouten /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3d915a14eSPedro F. Giffuni * 426d4f5e9SEd Schouten * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org> 526d4f5e9SEd Schouten * All rights reserved. 626d4f5e9SEd Schouten * 726d4f5e9SEd Schouten * Redistribution and use in source and binary forms, with or without 826d4f5e9SEd Schouten * modification, are permitted provided that the following conditions 926d4f5e9SEd Schouten * are met: 1026d4f5e9SEd Schouten * 1. Redistributions of source code must retain the above copyright 1126d4f5e9SEd Schouten * notice, this list of conditions and the following disclaimer. 1226d4f5e9SEd Schouten * 2. Redistributions in binary form must reproduce the above copyright 1326d4f5e9SEd Schouten * notice, this list of conditions and the following disclaimer in the 1426d4f5e9SEd Schouten * documentation and/or other materials provided with the distribution. 1526d4f5e9SEd Schouten * 1626d4f5e9SEd Schouten * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1726d4f5e9SEd Schouten * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1826d4f5e9SEd Schouten * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1926d4f5e9SEd Schouten * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2026d4f5e9SEd Schouten * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2126d4f5e9SEd Schouten * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2226d4f5e9SEd Schouten * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2326d4f5e9SEd Schouten * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2426d4f5e9SEd Schouten * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2526d4f5e9SEd Schouten * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2626d4f5e9SEd Schouten * SUCH DAMAGE. 2726d4f5e9SEd Schouten */ 2826d4f5e9SEd Schouten 2926d4f5e9SEd Schouten #include <sys/cdefs.h> 3026d4f5e9SEd Schouten __FBSDID("$FreeBSD$"); 3126d4f5e9SEd Schouten 3226d4f5e9SEd Schouten #include "namespace.h" 3326d4f5e9SEd Schouten #include <sys/param.h> 3426d4f5e9SEd Schouten #include <sys/ioctl.h> 3586b6b655SEd Schouten #include <stdlib.h> 3626d4f5e9SEd Schouten #include "un-namespace.h" 3726d4f5e9SEd Schouten 3826d4f5e9SEd Schouten char * 3926d4f5e9SEd Schouten fdevname_r(int fd, char *buf, int len) 4026d4f5e9SEd Schouten { 4126d4f5e9SEd Schouten struct fiodgname_arg fgn; 4226d4f5e9SEd Schouten 4326d4f5e9SEd Schouten fgn.buf = buf; 4426d4f5e9SEd Schouten fgn.len = len; 4526d4f5e9SEd Schouten 4626d4f5e9SEd Schouten if (_ioctl(fd, FIODGNAME, &fgn) == -1) 4726d4f5e9SEd Schouten return (NULL); 4826d4f5e9SEd Schouten return (buf); 4926d4f5e9SEd Schouten } 5026d4f5e9SEd Schouten 5126d4f5e9SEd Schouten char * 5226d4f5e9SEd Schouten fdevname(int fd) 5326d4f5e9SEd Schouten { 5426d4f5e9SEd Schouten static char buf[SPECNAMELEN + 1]; 5526d4f5e9SEd Schouten 5626d4f5e9SEd Schouten return (fdevname_r(fd, buf, sizeof(buf))); 5726d4f5e9SEd Schouten } 58