mosquitto-client-wrapper 0.2.0

Rust interface to the Mosquitto MQTT broker client. This is a fork of https://github.com/jsloth/mosquitto-client.
/*
Copyright (c) 2012-2020 Roger Light <roger@atchoo.org>

All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
and Eclipse Distribution License v1.0 which accompany this distribution.
 
The Eclipse Public License is available at
   https://www.eclipse.org/legal/epl-2.0/
and the Eclipse Distribution License is available at
  http://www.eclipse.org/org/documents/edl-v10.php.
 
SPDX-License-Identifier: EPL-2.0 OR EDL-1.0

Contributors:
   Roger Light - initial implementation and documentation.
*/

#ifndef LIB_LOAD_H
#define LIB_LOAD_H

#ifdef WIN32
#	include <windows.h>
#else
#	include <dlfcn.h>
#endif

#ifdef WIN32
#	define LIB_LOAD(A) LoadLibrary(A)
#	define LIB_CLOSE(A) FreeLibrary(A)
#	define LIB_SYM(HANDLE, SYM) GetProcAddress(HANDLE, SYM)
#else
#	define LIB_LOAD(A) dlopen(A, RTLD_NOW|RTLD_GLOBAL)
#	define LIB_CLOSE(A) dlclose(A)
#	define LIB_SYM(HANDLE, SYM) dlsym(HANDLE, SYM)
#endif

#define LIB_SYM_EASY(MEMBER, HANDLE, SYM) if(!(MEMBER = LIB_SYM(HANDLE, SYM)) return 1
#endif