derek.holloway
7502bf64a4
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78 lines
3.4 KiB
C++
78 lines
3.4 KiB
C++
// RUN: %check_clang_tidy %s bugprone-multi-level-implicit-pointer-conversion %t
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using OneStar = void*;
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using OneStarFancy = OneStar;
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void takeFirstLevelVoidPtr(OneStar message);
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void takeFirstLevelConstVoidPtr(const OneStarFancy message);
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void takeFirstLevelConstVoidPtrConst(const void* const message);
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void takeSecondLevelVoidPtr(void** message);
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void** getSecondLevelVoidPtr();
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void* getFirstLevelVoidPtr();
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int** getSecondLevelIntPtr();
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int* getFirstLevelIntPtr();
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int table[5];
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void test()
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{
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void** secondLevelVoidPtr;
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int* firstLevelIntPtr;
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// CHECK-MESSAGES: :[[@LINE+1]]:13: warning: multilevel pointer conversion from 'void **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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void* a = getSecondLevelVoidPtr();
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void** b = getSecondLevelVoidPtr();
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void* c = getFirstLevelVoidPtr();
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// CHECK-MESSAGES: :[[@LINE+1]]:13: warning: multilevel pointer conversion from 'int **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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void* d = getSecondLevelIntPtr();
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takeFirstLevelVoidPtr(&table);
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takeFirstLevelVoidPtr(firstLevelIntPtr);
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takeFirstLevelVoidPtr(getFirstLevelIntPtr());
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// CHECK-MESSAGES: :[[@LINE+1]]:25: warning: multilevel pointer conversion from 'void **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelVoidPtr(secondLevelVoidPtr);
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// CHECK-MESSAGES: :[[@LINE+1]]:30: warning: multilevel pointer conversion from 'void **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelConstVoidPtr(secondLevelVoidPtr);
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// CHECK-MESSAGES: :[[@LINE+1]]:35: warning: multilevel pointer conversion from 'void **' to 'const void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelConstVoidPtrConst(secondLevelVoidPtr);
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// CHECK-MESSAGES: :[[@LINE+1]]:35: warning: multilevel pointer conversion from 'void ***' to 'const void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelConstVoidPtrConst(&secondLevelVoidPtr);
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takeSecondLevelVoidPtr(secondLevelVoidPtr);
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// CHECK-MESSAGES: :[[@LINE+1]]:25: warning: multilevel pointer conversion from 'void **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelVoidPtr(getSecondLevelVoidPtr());
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// CHECK-MESSAGES: :[[@LINE+1]]:30: warning: multilevel pointer conversion from 'void **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelConstVoidPtr(getSecondLevelVoidPtr());
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// CHECK-MESSAGES: :[[@LINE+1]]:35: warning: multilevel pointer conversion from 'void **' to 'const void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelConstVoidPtrConst(getSecondLevelVoidPtr());
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// CHECK-MESSAGES: :[[@LINE+1]]:25: warning: multilevel pointer conversion from 'int **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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takeFirstLevelVoidPtr(getSecondLevelIntPtr());
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takeSecondLevelVoidPtr(getSecondLevelVoidPtr());
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}
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namespace PR93959 {
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void free(void*);
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void test() {
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char **p = nullptr;
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free(p);
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// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: multilevel pointer conversion from 'char **' to 'void *', please use explicit cast [bugprone-multi-level-implicit-pointer-conversion]
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free((void *)p);
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free(static_cast<void *>(p));
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}
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}
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