C/C++深度copy和浅copy

#define  _CRT_SECURE_NO_WARNINGS



#include<stdio.h>

#include<stdlib.h>

#include<string.h>



/*

   深拷贝： 拷贝方和被拷贝方不共享一片内存

   浅拷贝： 拷贝方和被拷贝方共享一片内存

*/

typedef struct Stu {



    int len;

    char *ps;

}stu;

int main(int args , char * argv []) {

    

    stu sa, sb;

    sa.ps = (char *)malloc(sizeof(char )*10);

    strcpy(sa.ps,"hello");

    printf("sa.ps=%s\n",sa.ps);

    sb.ps = (char *)malloc(sizeof(char) * 10);

    //sb.ps = sa.ps;    --浅copy 

    strcpy(sb.ps , sa.ps);  //--深copy

    printf("sb.ps=%s\n",sb.ps);

    *sa.ps = 'Z';

    printf("%s\n",sb.ps);

    getchar();

    return 0;

}