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 <cstddef>
17 #include <cstdint>
18 #include <string>
19 #include <vector>
20 #include "preferred_language.h"
21
22 namespace OHOS {
23 const size_t FIRST_PARAM_OFFSET_SIZE = 4;
24 const size_t SECOND_PARAM_OFFSET_SIZE = 8;
25
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)26 void DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
27 {
28 using namespace Global::I18n;
29 std::string input(reinterpret_cast<const char*>(data), size);
30 if (size < FIRST_PARAM_OFFSET_SIZE) {
31 return;
32 }
33 uint32_t offset = 0;
34 int32_t index = *(reinterpret_cast<const int32_t*>(data + offset));
35 PreferredLanguage::AddPreferredLanguage(input, index);
36 if (size < SECOND_PARAM_OFFSET_SIZE) {
37 return;
38 }
39 offset += sizeof(int32_t);
40 int32_t index2 = *(reinterpret_cast<const int32_t*>(data + offset));
41 PreferredLanguage::RemovePreferredLanguage(index2);
42 }
43 }
44
45 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)46 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
47 {
48 /* Run your code on data */
49 OHOS::DoSomethingInterestingWithMyAPI(data, size);
50 return 0;
51 }
52
53