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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_gls/ble_gls_db.c
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+/**
+ * Copyright (c) 2012 - 2018, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ * Semiconductor ASA integrated circuit in a product or a software update for
+ * such product, 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 Nordic Semiconductor ASA nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ * engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
+ *
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(BLE_GLS)
+#include "ble_gls_db.h"
+
+
+typedef struct
+{
+ bool in_use_flag;
+ ble_gls_rec_t record;
+} database_entry_t;
+
+static database_entry_t m_database[BLE_GLS_DB_MAX_RECORDS];
+static uint8_t m_database_crossref[BLE_GLS_DB_MAX_RECORDS];
+static uint16_t m_num_records;
+
+
+uint32_t ble_gls_db_init(void)
+{
+ int i;
+
+ for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
+ {
+ m_database[i].in_use_flag = false;
+ m_database_crossref[i] = 0xFF;
+ }
+
+ m_num_records = 0;
+
+ return NRF_SUCCESS;
+}
+
+
+uint16_t ble_gls_db_num_records_get(void)
+{
+ return m_num_records;
+}
+
+
+uint32_t ble_gls_db_record_get(uint8_t rec_ndx, ble_gls_rec_t * p_rec)
+{
+ if (rec_ndx >= m_num_records)
+ {
+ return NRF_ERROR_INVALID_PARAM;
+ }
+
+ // copy record to the specified memory
+ *p_rec = m_database[m_database_crossref[rec_ndx]].record;
+
+ return NRF_SUCCESS;
+}
+
+
+uint32_t ble_gls_db_record_add(ble_gls_rec_t * p_rec)
+{
+ int i;
+
+ if (m_num_records == BLE_GLS_DB_MAX_RECORDS)
+ {
+ return NRF_ERROR_NO_MEM;
+ }
+
+ // find next available database entry
+ for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
+ {
+ if (!m_database[i].in_use_flag)
+ {
+ m_database[i].in_use_flag = true;
+ m_database[i].record = *p_rec;
+
+ m_database_crossref[m_num_records] = i;
+ m_num_records++;
+
+ return NRF_SUCCESS;
+ }
+ }
+
+ return NRF_ERROR_NO_MEM;
+}
+
+
+uint32_t ble_gls_db_record_delete(uint8_t rec_ndx)
+{
+ int i;
+
+ if (rec_ndx >= m_num_records)
+ {
+ return NRF_ERROR_NOT_FOUND;
+ }
+
+ // free entry
+ m_database[m_database_crossref[rec_ndx]].in_use_flag = false;
+
+ // decrease number of records
+ m_num_records--;
+
+ // remove cross reference index
+ for (i = rec_ndx; i < m_num_records; i++)
+ {
+ m_database_crossref[i] = m_database_crossref[i + 1];
+ }
+
+ return NRF_SUCCESS;
+}
+#endif // NRF_MODULE_ENABLED(BLE_GLS)