1188497Sed/*- 2188497Sed * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org> 3188497Sed * All rights reserved. 4188497Sed * 5188497Sed * Redistribution and use in source and binary forms, with or without 6188497Sed * modification, are permitted provided that the following conditions 7188497Sed * are met: 8188497Sed * 1. Redistributions of source code must retain the above copyright 9188497Sed * notice, this list of conditions and the following disclaimer. 10188497Sed * 2. Redistributions in binary form must reproduce the above copyright 11188497Sed * notice, this list of conditions and the following disclaimer in the 12188497Sed * documentation and/or other materials provided with the distribution. 13188497Sed * 14188497Sed * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15188497Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16188497Sed * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17188497Sed * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18188497Sed * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19188497Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20188497Sed * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21188497Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22188497Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23188497Sed * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24188497Sed * SUCH DAMAGE. 25188497Sed */ 26188497Sed 27188497Sed#include <sys/cdefs.h> 28188497Sed__FBSDID("$FreeBSD$"); 29188497Sed 30188497Sed#include "namespace.h" 31188497Sed#include <sys/param.h> 32188497Sed#include <sys/ioctl.h> 33200133Sed#include <stdlib.h> 34188497Sed#include "un-namespace.h" 35188497Sed 36188497Sedchar * 37188497Sedfdevname_r(int fd, char *buf, int len) 38188497Sed{ 39188497Sed struct fiodgname_arg fgn; 40188497Sed 41188497Sed fgn.buf = buf; 42188497Sed fgn.len = len; 43188497Sed 44188497Sed if (_ioctl(fd, FIODGNAME, &fgn) == -1) 45188497Sed return (NULL); 46188497Sed return (buf); 47188497Sed} 48188497Sed 49188497Sedchar * 50188497Sedfdevname(int fd) 51188497Sed{ 52188497Sed static char buf[SPECNAMELEN + 1]; 53188497Sed 54188497Sed return (fdevname_r(fd, buf, sizeof(buf))); 55188497Sed} 56