text: /*
   *  Copyright (C) 2004 Steve Harris
   *
   *  This program is free software; you can redistribute it and/or
   *  modify it under the terms of the GNU Lesser General Public License
   *  as published by the Free Software Foundation; either version 2.1
   *  of the License, or (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU Lesser General Public License for more details.
   *
   *  $Id$
   */
  
  #ifndef LO_MACROS_H
  #define LO_MACROS_H
  
  /* macros that have to be defined after function signatures */
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* \brief Maximum length of UDP messages in bytes
   */
  #define LO_MAX_MSG_SIZE 32768
  
  /* \brief A set of macros to represent different communications transports
   */
  #define LO_DEFAULT 0x0
  #define LO_UDP     0x1
  #define LO_UNIX    0x2
  #define LO_TCP     0x4
  
  /* an internal value, ignored in transmission but check against LO_MARKER in the
   * argument list. Used to do primitive bounds checking */
  #define LO_MARKER_A 0xdeadbeef
  #define LO_MARKER_B 0xf00baa23
  #define LO_ARGS_END LO_MARKER_A, LO_MARKER_B
  
  #define lo_message_add_varargs(msg, types, list) \
      lo_message_add_varargs_internal(msg, types, list, __FILE__, __LINE__)
  
  #ifdef __GNUC__
  
  #define lo_message_add(msg, types...)                         \
      lo_message_add_internal(msg, __FILE__, __LINE__, types,   \
                              LO_MARKER_A, LO_MARKER_B)
  
  #define lo_send(targ, path, types...) \
          lo_send_internal(targ, __FILE__, __LINE__, path, types, \
  			 LO_MARKER_A, LO_MARKER_B)
  
  #define lo_send_timestamped(targ, ts, path, types...) \
          lo_send_timestamped_internal(targ, __FILE__, __LINE__, ts, path, \
  		       	             types, LO_MARKER_A, LO_MARKER_B)
  
  #define lo_send_from(targ, from, ts, path, types...) \
          lo_send_from_internal(targ, from, __FILE__, __LINE__, ts, path, \
  		       	             types, LO_MARKER_A, LO_MARKER_B)
  
  #else
  
  /* In non-GCC compilers, there is no support for variable-argument
   * macros, so provide "internal" vararg functions directly instead. */
  
  int lo_message_add(lo_message msg, const char *types, ...);
  int lo_send(lo_address targ, const char *path, const char *types, ...);
  int lo_send_timestamped(lo_address targ, lo_timetag ts, const char *path, const char *types, ...);
  int lo_send_from(lo_address targ, lo_server from, lo_timetag ts, const char *path, const char *types, ...);
  
  #endif
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  