xref: /netbsd/usr.sbin/fssconfig/prog_ops.h (revision bd8cc842)
1 /*      $NetBSD: prog_ops.h,v 1.2 2016/07/31 02:15:54 pgoyette Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _PROG_OPS_H_
30 #define _PROG_OPS_H_
31 
32 #include <sys/types.h>
33 #include <sys/stat.h>
34 #include <sys/statvfs.h>
35 
36 #include <fcntl.h>
37 
38 #ifndef CRUNCHOPS
39 struct prog_ops {
40 	int (*op_init)(void);
41 	int (*op_open)(const char *, int, ...);
42 	int (*op_ioctl)(int, unsigned long, ...);
43 	int (*op_close)(int);
44 	ssize_t (*op_pread)(int, void *, size_t, off_t);
45 	int (*op_statvfs1)(const char *, struct statvfs *, int);
46 	int (*op_stat)(const char *, struct stat *);
47 	int (*op_fstat)(int, struct stat *);
48 };
49 extern const struct prog_ops prog_ops;
50 
51 #define prog_init prog_ops.op_init
52 #define prog_open prog_ops.op_open
53 #define prog_ioctl prog_ops.op_ioctl
54 #define prog_close prog_ops.op_close
55 #define prog_pread prog_ops.op_pread
56 #define prog_stat prog_ops.op_stat
57 #define prog_statvfs1 prog_ops.op_statvfs1
58 #define prog_fstat prog_ops.op_fstat
59 #else
60 #define prog_init ((int (*)(void))NULL)
61 #define prog_open open
62 #define prog_ioctl ioctl
63 #define prog_close close
64 #define prog_pread pread
65 #define prog_stat stat
66 #define prog_statvfs1 statvfs1
67 #define prog_fstat fstat
68 #endif
69 
70 #endif /* _PROG_OPS_H_ */
71