mem.h

ThinkingC++中文版

//: C07:Mem.h
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
//the following tool that is designed to automatically manage blocks of memory for you:


#ifndef MEM_H
#define MEM_H
typedef unsigned char byte;


//A Mem object holds a block of bytes and makes sure that you have enough storage.
class Mem {
private:
	byte* mem;
    int size;
    void ensureMinSize(int minSize);
public:
    Mem();
    Mem(int sz);  //constructor functions overloading
// Mem(int sz = 0);
    ~Mem();
    int msize();
    byte* pointer();  //commonly member functions ovreloading
    byte* pointer(int minSize);
}; 
#endif // MEM_H ///:~