1 /*
2 * Copyright (c) 2022 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 <cstddef>
17 #include <cstdint>
18 #include <string>
19 #include "i18n_timezone.h"
20 #include "timezone_fuzzer.h"
21
22 namespace OHOS {
23 const size_t FIRST_PARAM_OFFSET_SIZE = 8;
24
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)25 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
26 {
27 using namespace Global::I18n;
28 if (data == nullptr || size < 1) {
29 return false;
30 }
31 uint32_t offset = 0;
32 std::string text(reinterpret_cast<const char*>(data), size);
33 bool isDST = (data[0] % 2 == 1);
34 I18nTimeZone timezone(text, isDST);
35 if (size >= FIRST_PARAM_OFFSET_SIZE) {
36 double date = *(reinterpret_cast<const double*>(data + offset));
37 timezone.GetOffset(date);
38 }
39
40 timezone.GetRawOffset();
41 timezone.GetID();
42 timezone.GetDisplayName();
43 timezone.GetDisplayName(isDST);
44 timezone.GetDisplayName(text);
45 timezone.GetDisplayName(text, isDST);
46 I18nTimeZone::CreateInstance(text, isDST);
47 I18nErrorCode errorCode = I18nErrorCode::SUCCESS;
48 I18nTimeZone::GetAvailableIDs(errorCode);
49 I18nTimeZone::GetAvailableZoneCityIDs();
50 I18nTimeZone::GetCityDisplayName(text, text);
51 return true;
52 }
53 }
54
55 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 /* Run your code on data */
59 OHOS::DoSomethingInterestingWithMyAPI(data, size);
60 return 0;
61 }
62
63