1 /*
2 * Copyright 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #pragma once
18
19 #include <cstdint>
20 #include <cstring>
21
22 #include "osi/include/compat.h" // strlcpy
23
24 #define BD_NAME_LEN 248
25 typedef uint8_t BD_NAME[BD_NAME_LEN + 1]; /* Device name */
26
27 inline constexpr BD_NAME kBtmBdNameEmpty = {};
28 constexpr size_t kBdNameLength = static_cast<size_t>(BD_NAME_LEN);
29
bd_name_copy(BD_NAME bd_name_dest,const BD_NAME bd_name_src)30 inline size_t bd_name_copy(BD_NAME bd_name_dest, const BD_NAME bd_name_src) {
31 return osi_strlcpy(reinterpret_cast<char*>(bd_name_dest),
32 reinterpret_cast<const char*>(bd_name_src), kBdNameLength + 1);
33 }
bd_name_clear(BD_NAME bd_name)34 inline void bd_name_clear(BD_NAME bd_name) { *bd_name = {0}; }
bd_name_is_empty(const BD_NAME bd_name)35 inline bool bd_name_is_empty(const BD_NAME bd_name) { return bd_name[0] == '\0'; }
36
bd_name_from_char_pointer(BD_NAME bd_name_dest,const char * bd_name_char)37 inline void bd_name_from_char_pointer(BD_NAME bd_name_dest, const char* bd_name_char) {
38 if (bd_name_char == nullptr) {
39 bd_name_clear(bd_name_dest);
40 return;
41 }
42
43 size_t src_len =
44 osi_strlcpy(reinterpret_cast<char*>(bd_name_dest), bd_name_char, sizeof(BD_NAME));
45 if (src_len < sizeof(BD_NAME) - 1) {
46 /* Zero the remaining destination memory */
47 memset(bd_name_dest + src_len, 0, sizeof(BD_NAME) - src_len);
48 }
49 }
bd_name_is_equal(const BD_NAME bd_name1,const BD_NAME bd_name2)50 inline bool bd_name_is_equal(const BD_NAME bd_name1, const BD_NAME bd_name2) {
51 return memcmp(reinterpret_cast<void*>(const_cast<uint8_t*>(bd_name1)),
52 reinterpret_cast<void*>(const_cast<uint8_t*>(bd_name2)), kBdNameLength + 1) == 0;
53 }
54