sbin/ping/prog_ops.h

   1 /*      $NetBSD: prog_ops.h,v 1.3 2011/03/11 09:59:56 pooka 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 #ifndef CRUNCHOPS
  35 struct prog_ops {
  36         int (*op_init)(void);
  37
  38         int (*op_socket)(int, int, int);
  39         int (*op_setsockopt)(int, int, int, const void *, socklen_t);
  40         int (*op_shutdown)(int, int);
  41
  42         int (*op_poll)(struct pollfd *, nfds_t, int);
  43
  44         ssize_t (*op_recvfrom)(int, void *, size_t, int,
  45                                struct sockaddr *, socklen_t *);
  46         ssize_t (*op_sendto)(int, const void *, size_t, int,
  47                                const struct sockaddr *, socklen_t);
  48
  49         int (*op_close)(int);
  50
  51         uid_t (*op_getuid)(void);
  52         int (*op_setuid)(uid_t);
  53 };
  54 extern const struct prog_ops prog_ops;
  55
  56 #define prog_init prog_ops.op_init
  57 #define prog_socket prog_ops.op_socket
  58 #define prog_setsockopt prog_ops.op_setsockopt
  59 #define prog_shutdown prog_ops.op_shutdown
  60 #define prog_poll prog_ops.op_poll
  61 #define prog_recvfrom prog_ops.op_recvfrom
  62 #define prog_sendto prog_ops.op_sendto
  63 #define prog_close prog_ops.op_close
  64 #define prog_getuid prog_ops.op_getuid
  65 #define prog_setuid prog_ops.op_setuid
  66 #else
  67 #define prog_init ((int (*)(void))NULL)
  68 #define prog_socket socket
  69 #define prog_setsockopt setsockopt
  70 #define prog_shutdown shutdown
  71 #define prog_poll poll
  72 #define prog_recvfrom recvfrom
  73 #define prog_sendto sendto
  74 #define prog_close close
  75 #define prog_getuid getuid
  76 #define prog_setuid setuid
  77 #endif
  78
  79 #endif /* _PROG_OPS_H_ */