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 "breakiterator_fuzzer.h"
19 #include "i18n_break_iterator.h"
20
21 namespace OHOS {
22 const int VALUE_NUMBER = 3;
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)23 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
24 {
25 using namespace Global::I18n;
26
27 if (size < sizeof(int32_t) * VALUE_NUMBER) {
28 return false;
29 }
30
31 uint32_t offset = 0;
32
33 std::string text(reinterpret_cast<const char*>(data + offset), size - sizeof(int32_t) * 3);
34 offset += size - sizeof(int32_t) * VALUE_NUMBER;
35
36 int32_t number = *(reinterpret_cast<const int32_t*>(data + offset));
37 offset += sizeof(int32_t);
38
39 int32_t next = *(reinterpret_cast<const int32_t*>(data + offset));
40 offset += sizeof(int32_t);
41
42 int32_t following = *(reinterpret_cast<const int32_t*>(data + offset));
43
44 I18nBreakIterator iterator(text);
45 iterator.SetText(text.c_str());
46
47 std::string str;
48 iterator.GetText(str);
49
50 iterator.IsBoundary(number);
51 iterator.Current();
52 iterator.First();
53 iterator.Last();
54
55 iterator.Next(next);
56 iterator.Next();
57 iterator.Previous();
58
59 iterator.Following(following);
60
61 return true;
62 }
63 }
64
65 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)66 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
67 {
68 /* Run your code on data */
69 OHOS::DoSomethingInterestingWithMyAPI(data, size);
70 return 0;
71 }
72
73