1 /*
2 * Copyright (c) 2025 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 "setpointerspeed_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "input_manager.h"
21 #include "mmi_log.h"
22
23
24 namespace OHOS {
25 namespace MMI {
26 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)27 size_t GetObject(T &object, const uint8_t *data, size_t size)
28 {
29 size_t objectSize = sizeof(object);
30 if (objectSize > size) {
31 return 0;
32 }
33 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
34 if (ret != EOK) {
35 return 0;
36 }
37 return objectSize;
38 }
39
SetPointerSpeedFuzzTest(const uint8_t * data,size_t size)40 void SetPointerSpeedFuzzTest(const uint8_t* data, size_t size)
41 {
42 int32_t speed;
43 size_t startPos = 0;
44 startPos += GetObject<int32_t>(speed, data + startPos, size - startPos);
45 InputManager::GetInstance()->SetPointerSpeed(speed);
46 }
47 } // MMI
48 } // OHOS
49
50 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
52 {
53 /* Run your code on data */
54 OHOS::MMI::SetPointerSpeedFuzzTest(data, size);
55 return 0;
56 }
57