getmem.cpp

Think in C++ 第二版源码

//: C19:Getmem.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Test memory function template
#include "Getmem.h"
#include <iostream>
using namespace std;

int main() {
  int* p = 0;
  getmem(p, 10);
  for(int i = 0; i < 10; i++) {
    cout << p[i] << ' ';
    p[i] = i;
  }
  cout << '\n';
  getmem(p, 20);
  for(int j = 0; j < 20; j++) {
    cout << p[j] << ' ';
    p[j] = j;
  }
  cout << '\n';
  getmem(p, 25);
  for(int k = 0; k < 25; k++)
    cout << p[k] << ' ';
  freemem(p);
  cout << '\n';

  float* f = 0;
  getmem(f, 3);
  for(int u = 0; u < 3; u++) {
    cout << f[u] << ' ';
    f[u] = u + 3.14159;
  }
  cout << '\n';
  getmem(f, 6);
  for(int v = 0; v < 6; v++)
    cout << f[v] << ' ';
  freemem(f);
} ///:~