1*4a5d661aSToomas Soome /*- 2*4a5d661aSToomas Soome * Copyright (c) 1999,2000 Jonathan Lemon <jlemon@freebsd.org> 3*4a5d661aSToomas Soome * All rights reserved. 4*4a5d661aSToomas Soome * 5*4a5d661aSToomas Soome * Redistribution and use in source and binary forms, with or without 6*4a5d661aSToomas Soome * modification, are permitted provided that the following conditions 7*4a5d661aSToomas Soome * are met: 8*4a5d661aSToomas Soome * 1. Redistributions of source code must retain the above copyright 9*4a5d661aSToomas Soome * notice, this list of conditions and the following disclaimer. 10*4a5d661aSToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 11*4a5d661aSToomas Soome * notice, this list of conditions and the following disclaimer in the 12*4a5d661aSToomas Soome * documentation and/or other materials provided with the distribution. 13*4a5d661aSToomas Soome * 14*4a5d661aSToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*4a5d661aSToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*4a5d661aSToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*4a5d661aSToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*4a5d661aSToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*4a5d661aSToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*4a5d661aSToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*4a5d661aSToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*4a5d661aSToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*4a5d661aSToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*4a5d661aSToomas Soome * SUCH DAMAGE. 25*4a5d661aSToomas Soome */ 26*4a5d661aSToomas Soome 27*4a5d661aSToomas Soome #include <sys/cdefs.h> 28*4a5d661aSToomas Soome __FBSDID("$FreeBSD$"); 29*4a5d661aSToomas Soome 30*4a5d661aSToomas Soome #include <sys/param.h> 31*4a5d661aSToomas Soome #include "stand.h" 32*4a5d661aSToomas Soome 33*4a5d661aSToomas Soome struct dirent * 34*4a5d661aSToomas Soome readdirfd(int fd) 35*4a5d661aSToomas Soome { 36*4a5d661aSToomas Soome static struct dirent dir; /* XXX not thread safe */ 37*4a5d661aSToomas Soome struct open_file *f = &files[fd]; 38*4a5d661aSToomas Soome 39*4a5d661aSToomas Soome if ((unsigned)fd >= SOPEN_MAX || !(f->f_flags & F_READ)) { 40*4a5d661aSToomas Soome errno = EBADF; 41*4a5d661aSToomas Soome return (NULL); 42*4a5d661aSToomas Soome } 43*4a5d661aSToomas Soome if (f->f_flags & F_RAW) { 44*4a5d661aSToomas Soome errno = EIO; 45*4a5d661aSToomas Soome return (NULL); 46*4a5d661aSToomas Soome } 47*4a5d661aSToomas Soome errno = (f->f_ops->fo_readdir)(f, &dir); 48*4a5d661aSToomas Soome if (errno) 49*4a5d661aSToomas Soome return (NULL); 50*4a5d661aSToomas Soome return (&dir); 51*4a5d661aSToomas Soome } 52