Use CSTD and remove local CSTD settings which are no longer needed.
[dragonfly.git] / lib / libstand / nullfs.c
CommitLineData
984263bc 1/* $FreeBSD: src/lib/libstand/nullfs.c,v 1.3.2.1 2000/05/04 13:47:51 ps Exp $ */
ff2aef30 2/* $DragonFly: src/lib/libstand/nullfs.c,v 1.3 2005/12/11 02:27:26 swildner Exp $ */
984263bc
MD
3/* $NetBSD: nullfs.c,v 1.1 1996/01/13 22:25:39 leo Exp $ */
4
5/*-
6 * Copyright (c) 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * The Mach Operating System project at Carnegie-Mellon University.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * @(#)open.c 8.1 (Berkeley) 6/11/93
41 *
42 *
43 * Copyright (c) 1989, 1990, 1991 Carnegie Mellon University
44 * All Rights Reserved.
45 *
46 * Author: Alessandro Forin
47 *
48 * Permission to use, copy, modify and distribute this software and its
49 * documentation is hereby granted, provided that both the copyright
50 * notice and this permission notice appear in all copies of the
51 * software, derivative works or modified versions, and any portions
52 * thereof, and that both notices appear in supporting documentation.
53 *
54 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
55 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
56 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
57 *
58 * Carnegie Mellon requests users of this software to return to
59 *
60 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
61 * School of Computer Science
62 * Carnegie Mellon University
63 * Pittsburgh PA 15213-3890
64 *
65 * any improvements or extensions that they make and grant Carnegie the
66 * rights to redistribute these changes.
67 */
68
69#include "stand.h"
70
71/*
72 * Null filesystem
73 */
ff2aef30
SW
74int
75null_open(const char *path, struct open_file *f)
984263bc
MD
76{
77 errno = EIO;
78 return -1;
79}
80
ff2aef30
SW
81int
82null_close(struct open_file *f)
984263bc
MD
83{
84 return 0;
85}
86
ff2aef30
SW
87int
88null_read(struct open_file *f, void *buf, size_t size, size_t *resid)
984263bc
MD
89{
90 errno = EIO;
91 return -1;
92}
93
ff2aef30
SW
94int
95null_write(struct open_file *f, void *buf, size_t size, size_t *resid)
984263bc
MD
96{
97 errno = EIO;
98 return -1;
99}
100
ff2aef30
SW
101off_t
102null_seek(struct open_file *f, off_t offset, int where)
984263bc
MD
103{
104 errno = EIO;
105 return -1;
106}
107
ff2aef30
SW
108int
109null_stat(struct open_file *f, struct stat *sb)
984263bc
MD
110{
111 errno = EIO;
112 return -1;
113}
114
ff2aef30
SW
115int
116null_readdir(struct open_file *f, struct dirent *d)
984263bc
MD
117{
118 errno = EIO;
119 return -1;
120}