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 *
readdirfd(int fd)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