This rule is part of MISRA C++:2023.
MISRA Rule 21.2.4
Category: Required
Analysis Type: Decidable,Single Translation Unit
Rationale
The offsetof macro is used to access the underlying representation of an object, breaking its encapsulation. In addition, its use
results in undefined behaviour when the specified member is a bit-field, a static data member, or a member function.
Example
struct A
{
int32_t i;
};
void f1()
{
offsetof( A, i ); // Non-compliant
}
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