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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 "touchpadrotateswitch_fuzzer.h"
17 
18 #include "securec.h"
19 #include "input_manager.h"
20 #include "mmi_log.h"
21 
22 namespace OHOS {
23 namespace MMI {
24 
25 template <class T>
GetObject(T & object,const uint8_t * data,size_t size)26 size_t GetObject(T &object, const uint8_t *data, size_t size)
27 {
28     size_t objectSize = sizeof(object);
29     if (objectSize > size) {
30         return 0;
31     }
32     errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
33     if (ret != EOK) {
34         return 0;
35     }
36     return objectSize;
37 }
38 
TouchpadRotateSwitchFuzzTest(const uint8_t * data,size_t size)39 void TouchpadRotateSwitchFuzzTest(const uint8_t *data, size_t size)
40 {
41     bool rotateSwitch = false;
42     size_t offset = GetObject<bool>(rotateSwitch, data, size);
43     if (offset == 0) {
44         return;
45     }
46 
47     InputManager::GetInstance()->SetTouchpadRotateSwitch(rotateSwitch);
48 
49     bool outSwitch = false;
50     InputManager::GetInstance()->GetTouchpadRotateSwitch(outSwitch);
51 }
52 
53 } // namespace MMI
54 } // namespace OHOS
55 
56 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)57 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
58 {
59     OHOS::MMI::TouchpadRotateSwitchFuzzTest(data, size);
60     return 0;
61 }