Helpers.hh

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/*
 * Copyright (C) 2014 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/

#ifndef IGN_TRANSPORT_HELPERS_HH_
#define IGN_TRANSPORT_HELPERS_HH_

#include <cstdint>
#include <cstdio>
#include <cstring>
#include <limits>
#include <string>



#if defined BUILDING_STATIC_LIBS
  #define IGNITION_TRANSPORT_VISIBLE
  #define IGNITION_HIDDEN
#else
  #if defined __WIN32 || defined __CYGWIN__
    #ifdef BUILDING_DLL
      #ifdef __GNUC__
        #define IGNITION_TRANSPORT_VISIBLE __attribute__ ((dllexport))
      #else
        #define IGNITION_TRANSPORT_VISIBLE __declspec(dllexport)
      #endif
    #else
      #ifdef __GNUC__
        #define IGNITION_TRANSPORT_VISIBLE __attribute__ ((dllimport))
      #else
        #define IGNITION_TRANSPORT_VISIBLE __declspec(dllimport)
      #endif
    #endif
    #define IGNITION_HIDDEN
  #else
    #if __GNUC__ >= 4
      #define IGNITION_TRANSPORT_VISIBLE __attribute__ ((visibility ("default")))
      #define IGNITION_HIDDEN  __attribute__ ((visibility ("hidden")))
    #else
      #define IGNITION_TRANSPORT_VISIBLE
      #define IGNITION_HIDDEN
    #endif
  #endif
// BUILDING_STATIC_LIBS
#endif

namespace ignition
{
  namespace transport
  {
    static const uint64_t kUnthrottled = std::numeric_limits<uint64_t>::max();

    IGNITION_TRANSPORT_VISIBLE
    bool env(const std::string &_name,
             std::string &_value);
  }
}

// Use safer functions on Windows
#ifdef _MSC_VER
  #define ign_strcat strcat_s
  #define ign_strcpy strcpy_s
  #define ign_sprintf sprintf_s
  #define ign_strdup _strdup
#else
  #define ign_strcat std::strcat
  #define ign_strcpy std::strcpy
  #define ign_sprintf std::sprintf
  #define ign_strdup strdup
#endif

// __IGN_TRANSPORT_HELPERS_HH_INCLUDED__
#endif