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      1 /*
      2  * Copyright (c) 2006-2007 Niels Provos <provos (at) citi.umich.edu>
      3  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. The name of the author may not be used to endorse or promote products
     14  *    derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #ifndef _EVENT2_RPC_COMPAT_H_
     28 #define _EVENT2_RPC_COMPAT_H_
     29 
     30 /** @file event2/rpc_compat.h
     31 
     32   Deprecated versions of the functions in rpc.h: provided only for
     33   backwards compatibility.
     34 
     35  */
     36 
     37 #ifdef __cplusplus
     38 extern "C" {
     39 #endif
     40 
     41 /** backwards compatible accessors that work only with gcc */
     42 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
     43 
     44 #undef EVTAG_ASSIGN
     45 #undef EVTAG_GET
     46 #undef EVTAG_ADD
     47 
     48 #define EVTAG_ASSIGN(msg, member, args...) \
     49 	(*(msg)->base->member##_assign)(msg, ## args)
     50 #define EVTAG_GET(msg, member, args...) \
     51 	(*(msg)->base->member##_get)(msg, ## args)
     52 #define EVTAG_ADD(msg, member, args...) \
     53 	(*(msg)->base->member##_add)(msg, ## args)
     54 #endif
     55 #define EVTAG_LEN(msg, member) ((msg)->member##_length)
     56 
     57 #ifdef __cplusplus
     58 }
     59 #endif
     60 
     61 #endif /* _EVENT2_EVENT_COMPAT_H_ */
     62