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