Use CSTD and remove local CSTD settings which are no longer needed.
[dragonfly.git] / lib / libstand / readdir.c
CommitLineData
984263bc
MD
1/*-
2 * Copyright (c) 1999,2000 Jonathan Lemon <jlemon@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/lib/libstand/readdir.c,v 1.1.2.1 2000/05/04 13:47:52 ps Exp $
1de703da 27 * $DragonFly: src/lib/libstand/readdir.c,v 1.2 2003/06/17 04:26:51 dillon Exp $
984263bc
MD
28 */
29
30#include <sys/param.h>
31#include "stand.h"
32
33struct dirent *
34readdirfd(int fd)
35{
36 static struct dirent dir; /* XXX not thread safe */
37 struct open_file *f = &files[fd];
38
39 if ((unsigned)fd >= SOPEN_MAX || !(f->f_flags & F_READ)) {
40 errno = EBADF;
41 return (NULL);
42 }
43 if (f->f_flags & F_RAW) {
44 errno = EIO;
45 return (NULL);
46 }
47 errno = (f->f_ops->fo_readdir)(f, &dir);
48 if (errno)
49 return (NULL);
50 return (&dir);
51}