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74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
/*
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* Copyright (C) 2011-2013 by Matthias Ringwald
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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 holders nor the names of
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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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* 4. This software may not be used in a commercial product
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* without an explicit license granted by the copyright holder.
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*
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* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD 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 MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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//*****************************************************************************
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//
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// Advertising Data Parser
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//
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//*****************************************************************************
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ad_parser.h"
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void ad_iterator_init(ad_context_t *context, uint8_t ad_len, uint8_t * ad_data){
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context->data = ad_data;
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context->length = ad_len;
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context->offset = 0;
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}
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int ad_iterator_has_more(ad_context_t * context){
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return context->offset < context->length;
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}
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void ad_iterator_next(ad_context_t * context){
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uint8_t chunk_len = context->data[context->offset];
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context->offset += 1 + chunk_len;
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}
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uint8_t ad_iterator_get_data_len(ad_context_t * context){
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return context->data[context->offset] - 1;
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}
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uint8_t ad_iterator_get_data_type(ad_context_t * context){
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return context->data[context->offset + 1];
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}
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uint8_t * ad_iterator_get_data(ad_context_t * context){
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return &context->data[context->offset + 2];
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}
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