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// RUN: %check_clang_tidy %s bugprone-sizeof-expression %t -- --
// RUN: %check_clang_tidy %s bugprone-sizeof-expression %t -- -- -x c++
#ifdef __cplusplus
#define STRKWD
#else
#define STRKWD struct
#endif
int Test5() {
typedef int Array10[10];
struct MyStruct {
Array10 arr;
Array10* ptr;
};
typedef struct TypedefStruct {
Array10 arr;
Array10* ptr;
} TypedefStruct;
typedef const STRKWD MyStruct TMyStruct;
typedef const STRKWD MyStruct *PMyStruct;
typedef TMyStruct *PMyStruct2;
typedef const TypedefStruct *PTTStruct;
STRKWD MyStruct S;
TypedefStruct TS;
PMyStruct PS;
PMyStruct2 PS2;
Array10 A10;
PTTStruct PTTS;
int sum = 0;
sum += sizeof(&S);
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious usage of 'sizeof()' on an expression of pointer type
sum += sizeof(__typeof(&S));
sum += sizeof(&TS);
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious usage of 'sizeof()' on an expression of pointer type
sum += sizeof(__typeof(&TS));
sum += sizeof(STRKWD MyStruct*);
sum += sizeof(__typeof(STRKWD MyStruct*));
sum += sizeof(TypedefStruct*);
sum += sizeof(__typeof(TypedefStruct*));
sum += sizeof(PTTS);
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious usage of 'sizeof()' on an expression of pointer type
sum += sizeof(PMyStruct);
sum += sizeof(PS);
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious usage of 'sizeof()' on an expression of pointer type
sum += sizeof(PS2);
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious usage of 'sizeof()' on an expression of pointer type
sum += sizeof(&A10);
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: suspicious usage of 'sizeof()' on an expression of pointer type
#ifdef __cplusplus
MyStruct &rS = S;
sum += sizeof(rS); // same as sizeof(S), not a pointer. So should not warn.
#endif
return sum;
}
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