//: C13:GlobalOperatorNew.cpp // From Thinking in C++, 2nd Edition // Available at http://www.BruceEckel.com // (c) Bruce Eckel 2000 // Copyright notice in Copyright.txt // Overload global new/delete #include #include using namespace std; void* operator new(size_t sz) { printf("operator new: %d Bytes\n", sz); void* m = malloc(sz); if(!m) puts("out of memory"); return m; } void operator delete(void* m) { puts("operator delete"); free(m); } class S { int i[100]; public: S() { puts("S::S()"); } ~S() { puts("S::~S()"); } }; int main() { puts("creating & destroying an int"); int* p = new int(47); delete p; puts("creating & destroying an s"); S* s = new S; delete s; puts("creating & destroying S[3]"); S* sa = new S[3]; delete []sa; } ///:~