102 lines
3.7 KiB
C
102 lines
3.7 KiB
C
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/**
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* Copyright (c) 2014 - 2020, Nordic Semiconductor ASA
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*
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "nrf_error.h"
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#include "cond_field_serialization.h"
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#include "ble_serialization.h"
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#include <stddef.h>
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uint32_t cond_field_enc(void const * const p_field,
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uint8_t * const p_buf,
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uint32_t buf_len,
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uint32_t * const p_index,
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field_encoder_handler_t fp_field_encoder)
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{
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uint32_t err_code = NRF_SUCCESS;
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SER_ASSERT_LENGTH_LEQ(*p_index + 1, buf_len);
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p_buf[*p_index] = (p_field == NULL) ? SER_FIELD_NOT_PRESENT : SER_FIELD_PRESENT;
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*p_index += 1;
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if (p_field && (fp_field_encoder != NULL))
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{
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err_code = fp_field_encoder(p_field, p_buf, buf_len, p_index);
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}
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return err_code;
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}
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uint32_t cond_field_dec(uint8_t const * const p_buf,
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uint32_t buf_len,
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uint32_t * const p_index,
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void * * const pp_field,
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field_decoder_handler_t fp_field_decoder)
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{
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uint32_t err_code = NRF_SUCCESS;
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uint8_t is_present;
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SER_ASSERT_LENGTH_LEQ(1, buf_len - *p_index);
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uint8_dec(p_buf, buf_len, p_index, &is_present);
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if (is_present == SER_FIELD_PRESENT)
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{
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SER_ASSERT_NOT_NULL(pp_field);
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SER_ASSERT_NOT_NULL(*pp_field);
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if (fp_field_decoder != NULL)
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{
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err_code = fp_field_decoder(p_buf, buf_len, p_index, *pp_field);
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}
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}
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else if (is_present == SER_FIELD_NOT_PRESENT)
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{
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if (pp_field != NULL)
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{
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*pp_field = NULL;
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}
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}
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else
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{
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err_code = NRF_ERROR_INVALID_DATA;
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}
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return err_code;
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}
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