1/*      $NetBSD: prog_ops.h,v 1.3 2024/06/07 09:57:09 rin 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#include <sys/socket.h>
34#include <poll.h>
35#include <ifaddrs.h>
36
37#ifndef CRUNCHOPS
38
39struct prog_ops {
40	int (*op_init)(void);
41
42	int (*op_socket)(int, int, int);
43	int (*op_setsockopt)(int, int, int, const void *, socklen_t);
44	int (*op_shutdown)(int, int);
45
46	int (*op_poll)(struct pollfd *, nfds_t, int);
47
48	ssize_t (*op_recvfrom)(int, void *, size_t, int,
49			       struct sockaddr *, socklen_t *);
50	ssize_t (*op_sendto)(int, const void *, size_t, int,
51			       const struct sockaddr *, socklen_t);
52
53	int (*op_close)(int);
54
55	int (*op_connect)(int, const struct sockaddr *, socklen_t);
56	int (*op_getsockname)(int, struct sockaddr *, socklen_t *);
57
58	int (*op_sysctl)(const int *, u_int, void *, size_t *,
59			 const void *, size_t);
60
61	/* Indirection needed for sanitizers. */
62
63	int (*op_getifaddrs)(struct ifaddrs **);
64};
65extern const struct prog_ops prog_ops;
66
67#define prog_init prog_ops.op_init
68#define prog_socket prog_ops.op_socket
69#define prog_setsockopt prog_ops.op_setsockopt
70#define prog_shutdown prog_ops.op_shutdown
71#define prog_poll prog_ops.op_poll
72#define prog_recvfrom prog_ops.op_recvfrom
73#define prog_sendto prog_ops.op_sendto
74#define prog_close prog_ops.op_close
75#define prog_connect prog_ops.op_connect
76#define prog_getsockname prog_ops.op_getsockname
77#define prog_sysctl prog_ops.op_sysctl
78#define prog_getifaddrs prog_ops.op_getifaddrs
79
80#else
81
82#define prog_init ((int (*)(void))NULL)
83#define prog_socket socket
84#define prog_setsockopt setsockopt
85#define prog_shutdown shutdown
86#define prog_poll poll
87#define prog_recvfrom recvfrom
88#define prog_sendto sendto
89#define prog_close close
90#define prog_connect connect
91#define prog_getsockname getsockname
92#define prog_sysctl sysctl
93#define prog_getifaddrs getifaddrs
94
95#endif /* CRUNCHOPS */
96
97#endif /* _PROG_OPS_H_ */
98