1 /****************************************************************************** 2 * 3 * Copyright (C) 2014 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #pragma once 20 21 #include <hardware/bluetooth.h> 22 #include <stdbool.h> 23 #include <stddef.h> 24 25 #include "osi/include/hash_map.h" 26 27 // Note: the string representation of a bdaddr is expected to have the format 28 // xx:xx:xx:xx:xx:xx 29 // where each 'x' is a hex digit. The API presented in this header will accept 30 // both uppercase and lowercase digits but will only ever produce lowercase 31 // digits. 32 33 typedef char bdstr_t[sizeof("xx:xx:xx:xx:xx:xx")]; 34 35 // Returns true if |addr| is the empty address (00:00:00:00:00:00). 36 // |addr| may not be NULL. 37 bool bdaddr_is_empty(const bt_bdaddr_t *addr); 38 39 // Returns true if |first| and |second| refer to the same address. Neither 40 // may be NULL. 41 bool bdaddr_equals(const bt_bdaddr_t *first, const bt_bdaddr_t *second); 42 43 // Returns destination bdaddr |dest| after copying |src| to |dest|. 44 // |dest| and |src| must not be NULL. 45 bt_bdaddr_t *bdaddr_copy(bt_bdaddr_t *dest, const bt_bdaddr_t *src); 46 47 // Makes a string representation of |addr| and places it into |string|. |size| 48 // refers to the size of |string|'s buffer and must be >= 18. On success, this 49 // function returns |string|, otherwise it returns NULL. Neither |addr| nor |string| 50 // may be NULL. 51 const char *bdaddr_to_string(const bt_bdaddr_t *addr, char *string, size_t size); 52 53 // Returns true if |string| represents a Bluetooth address. |string| may not be NULL. 54 bool string_is_bdaddr(const char *string); 55 56 // Converts |string| to bt_bdaddr_t and places it in |addr|. If |string| does not 57 // represent a Bluetooth address, |addr| is not modified and this function returns 58 // false. Otherwise, it returns true. Neither |string| nor |addr| may be NULL. 59 bool string_to_bdaddr(const char *string, bt_bdaddr_t *addr); 60 61 // A hash function tailored for bdaddrs. 62 hash_index_t hash_function_bdaddr(const void *key); 63
