xref: /netbsd-src/usr.sbin/traceroute/prog_ops.h (revision 85385d7fc5c35377e2700366e7923b05a128bef9)
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 
39 struct 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 };
65 extern 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