/*      $NetBSD: prog_ops.h,v 1.3 2024/06/07 09:57:09 rin Exp $ */

/*
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _PROG_OPS_H_
#define _PROG_OPS_H_

#include <sys/types.h>
#include <sys/socket.h>
#include <poll.h>
#include <ifaddrs.h>

#ifndef CRUNCHOPS

struct prog_ops {
       int (*op_init)(void);

       int (*op_socket)(int, int, int);
       int (*op_setsockopt)(int, int, int, const void *, socklen_t);
       int (*op_shutdown)(int, int);

       int (*op_poll)(struct pollfd *, nfds_t, int);

       ssize_t (*op_recvfrom)(int, void *, size_t, int,
                              struct sockaddr *, socklen_t *);
       ssize_t (*op_sendto)(int, const void *, size_t, int,
                              const struct sockaddr *, socklen_t);

       int (*op_close)(int);

       int (*op_connect)(int, const struct sockaddr *, socklen_t);
       int (*op_getsockname)(int, struct sockaddr *, socklen_t *);

       int (*op_sysctl)(const int *, u_int, void *, size_t *,
                        const void *, size_t);

       /* Indirection needed for sanitizers. */

       int (*op_getifaddrs)(struct ifaddrs **);
};
extern const struct prog_ops prog_ops;

#define prog_init prog_ops.op_init
#define prog_socket prog_ops.op_socket
#define prog_setsockopt prog_ops.op_setsockopt
#define prog_shutdown prog_ops.op_shutdown
#define prog_poll prog_ops.op_poll
#define prog_recvfrom prog_ops.op_recvfrom
#define prog_sendto prog_ops.op_sendto
#define prog_close prog_ops.op_close
#define prog_connect prog_ops.op_connect
#define prog_getsockname prog_ops.op_getsockname
#define prog_sysctl prog_ops.op_sysctl
#define prog_getifaddrs prog_ops.op_getifaddrs

#else

#define prog_init ((int (*)(void))NULL)
#define prog_socket socket
#define prog_setsockopt setsockopt
#define prog_shutdown shutdown
#define prog_poll poll
#define prog_recvfrom recvfrom
#define prog_sendto sendto
#define prog_close close
#define prog_connect connect
#define prog_getsockname getsockname
#define prog_sysctl sysctl
#define prog_getifaddrs getifaddrs

#endif /* CRUNCHOPS */

#endif /* _PROG_OPS_H_ */

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