Strict return
In C++, the
new
operator is used to dynamically allocate memory and call the object's constructor, while the
delete
operator is used to call the destructor and subsequently free the memory. These operators significantly simplify memory management in C++ and reduce the likelihood of errors that often occur with manual memory management.
In the equivalent C code, memory is allocated or released via the global
operator new
and
operator delete
functions. The implementation of both functions is found in libc++ and uses malloc and free respectively.
C1* obj = new C1();
struct C1* obj = (struct C1*)::operator new(sizeof(C1));
if (obj) {
C1_ctor_complete(obj);
delete
delete obj;
if (obj) {
C1_dtor_complete(obj);
::operator delete(obj);
The code generated by new/delete can become quite complex, for instance, when allocating or deallocating an array. In such cases, sometimes intricate loops for constructor and destructor handling are created.
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