nes-proj/examples/mqtt-client/mqtt-client.h

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/*
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* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
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*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
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#ifndef MQTT_CLIENT_H_
#define MQTT_CLIENT_H_
/*---------------------------------------------------------------------------*/
#include <string.h>
/*---------------------------------------------------------------------------*/
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typedef struct mqtt_client_extension_s {
void (*init)(void);
char *(*value)(void);
} mqtt_client_extension_t;
/*---------------------------------------------------------------------------*/
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#define MQTT_CLIENT_EXTENSIONS(...) \
const mqtt_client_extension_t *mqtt_client_extensions[] = {__VA_ARGS__}; \
const uint8_t mqtt_client_extension_count = \
(sizeof(mqtt_client_extensions) / sizeof(mqtt_client_extensions[0]));
/*---------------------------------------------------------------------------*/
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#endif /* MQTT_CLIENT_H_ */
/*---------------------------------------------------------------------------*/