代码规范_5：c++ _代码规范

• 头文件

# include<iostream>
# include“stdlib.h” //exit
using namespace std;

# define TRUE 1
# define FALSE 0
# define ERROR 0
# define OK 0

• assert

// 初始参数是否在有效范围内

• 错误代码

//存储分配失败
malloc/free

 if(!L.elem)
  exit(OVERFLOW);

//new delete 分配失败
http://blog.csdn.net/water_cow/article/details/20938075

int* p = new int[SIZE];
if ( p == 0 ) // 检查 p 是否空指针
return -1;
// 其它代码

 try {
            int* p = new int[SIZE];
            // 其它代码
        } catch ( const bad_alloc& e ) {
            return -1;
        }

//不抛出异常的new
# include <iostream>

using namespace std;

int main()
{
        int * i = NULL;
        i = new(nothrow) int[1000];
        if (i == NULL)
        {
                cout << "bad allocation" << endl;
                return -1;
        }

        return 0;
}



// 不在范围内
if(i<1||i>L.length)
return ERROR

...
return OK

• const
  -将变量或者方法声明为不可变
  http://blog.csdn.net/mijian1207mijian/article/details/50196921