1/*      $NetBSD: prog_ops.h,v 1.2 2010/12/13 19:17:20 njoly Exp $	*/
2
3/*
4 * Copyright (c) 2010 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
34/* ifconfig is compiled outside of src/sbin/ifconfig too */
35#ifndef CRUNCHOPS
36struct prog_ops {
37	int (*op_init)(void);
38
39	int (*op_socket)(int, int, int);
40
41	int (*op_ioctl)(int, unsigned long, ...);
42	ssize_t (*op_read)(int, void *, size_t);
43
44	int (*op_close)(int);
45};
46extern const struct prog_ops prog_ops;
47
48#define prog_init prog_ops.op_init
49#define prog_socket prog_ops.op_socket
50#define prog_ioctl prog_ops.op_ioctl
51#define prog_read prog_ops.op_read
52#define prog_close prog_ops.op_close
53#else
54#define prog_init ((int (*)(void))NULL)
55#define prog_socket socket
56#define prog_ioctl ioctl
57#define prog_read read
58#define prog_close close
59#endif
60
61#endif /* _PROG_OPS_H_ */
62