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      1 /*	$NetBSD: rpc_compat.h,v 1.5 2020/05/25 20:47:34 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2006-2007 Niels Provos <provos (at) citi.umich.edu>
      5  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
      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  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 #ifndef EVENT2_RPC_COMPAT_H_INCLUDED_
     30 #define EVENT2_RPC_COMPAT_H_INCLUDED_
     31 
     32 /** @file event2/rpc_compat.h
     33 
     34   Deprecated versions of the functions in rpc.h: provided only for
     35   backwards compatibility.
     36 
     37  */
     38 
     39 #ifdef __cplusplus
     40 extern "C" {
     41 #endif
     42 
     43 /** backwards compatible accessors that work only with gcc */
     44 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
     45 
     46 #undef EVTAG_ASSIGN
     47 #undef EVTAG_GET
     48 #undef EVTAG_ADD
     49 
     50 #define EVTAG_ASSIGN(msg, member, args...) \
     51 	(*(msg)->base->member##_assign)(msg, ## args)
     52 #define EVTAG_GET(msg, member, args...) \
     53 	(*(msg)->base->member##_get)(msg, ## args)
     54 #define EVTAG_ADD(msg, member, args...) \
     55 	(*(msg)->base->member##_add)(msg, ## args)
     56 #endif
     57 #define EVTAG_LEN(msg, member) ((msg)->member##_length)
     58 
     59 #ifdef __cplusplus
     60 }
     61 #endif
     62 
     63 #endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */
     64