1 /*
2 * Copyright (c) 2024 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 "utf_fuzzer.h"
17
18 #include "utils/utf.h"
19
20 namespace OHOS {
UtfFuzzTest(const uint8_t * data,size_t size)21 void UtfFuzzTest(const uint8_t* data, size_t size)
22 {
23 using namespace panda::utf;
24
25 std::string str(data, data + size);
26 const uint8_t* string_data = CStringAsMutf8(const_cast<char*>(str.c_str()));
27
28 Mutf8AsCString(data);
29 IsAvailableNextUtf16Code(static_cast<uint16_t>(size));
30
31 if (IsValidModifiedUTF8(string_data)) {
32 Mutf8Less mutf8Less;
33 mutf8Less(string_data, string_data);
34 }
35
36 SplitUtf16Pair(static_cast<uint32_t>(size));
37 }
38 }
39
40 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)41 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
42 {
43 /* Run your code on data */
44 OHOS::UtfFuzzTest(data, size);
45 return 0;
46 }
47
48