1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "utils/storage_utils.h"
17 
18 namespace OHOS {
19 namespace StorageManager {
GetRoundSize(int64_t size)20 int64_t GetRoundSize(int64_t size)
21 {
22     int64_t val = 1;
23     int64_t multple = UNIT;
24     while (val * multple < size) {
25         auto tmpVal = static_cast<uint64_t>(val);
26         tmpVal <<= 1;
27         val = static_cast<int64_t>(tmpVal);
28         if (val > THRESHOLD && multple < ONE_GB) {
29             val = 1;
30             multple *= UNIT;
31         }
32     }
33     return val * multple;
34 }
35 
GetAnonyString(const std::string & value)36 std::string GetAnonyString(const std::string &value)
37 {
38     constexpr size_t INT32_SHORT_ID_LENGTH = 20;
39     constexpr size_t INT32_PLAINTEXT_LENGTH = 4;
40     constexpr size_t INT32_MIN_ID_LENGTH = 3;
41     std::string res;
42     std::string tmpStr("******");
43     size_t strLen = value.length();
44     if (strLen < INT32_MIN_ID_LENGTH) {
45         return tmpStr;
46     }
47 
48     if (strLen <= INT32_SHORT_ID_LENGTH) {
49         res += value[0];
50         res += tmpStr;
51         res += value[strLen - 1];
52     } else {
53         res.append(value, 0, INT32_PLAINTEXT_LENGTH);
54         res += tmpStr;
55         res.append(value, strLen - INT32_PLAINTEXT_LENGTH, INT32_PLAINTEXT_LENGTH);
56     }
57 
58     return res;
59 }
60 } // namespace STORAGE_Manager
61 } // namespace OHOS