1 /*
2 * Copyright (c) 2021 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
19 const int FUZZ_DATA_LEN = 3;
20 const int FUZZ_FST_DATA = 0;
21 const int FUZZ_SND_DATA = 1;
22 const int FUZZ_TRD_DATA = 2;
23 const int FUZZ_FTH_DATA = 3;
24
25 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)26 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
27 {
28 if (data == nullptr) {
29 return false;
30 }
31
32 bool result = false;
33 if (size >= FUZZ_DATA_LEN) {
34 result = data[FUZZ_FST_DATA] == 'F' &&
35 data[FUZZ_SND_DATA] == 'U' &&
36 data[FUZZ_TRD_DATA] == 'Z' &&
37 data[FUZZ_FTH_DATA] == 'Z';
38 }
39 return result;
40 }
41 } // namespace.OHOS
42
43 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)44 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
45 {
46 /* Run your code on data */
47 OHOS::DoSomethingInterestingWithMyAPI(data, size);
48 return 0;
49 }
50
51