C++ラーニング:malloc/freeとnew/deleteダイナミックメモリ割り当て

  : C           :
     char *array = (char*)malloc(10);
     //             ,         10   ,        10   
     C++ :
     char temp[20];
     char *array = new array(strlen(temp)+1);
     strcpy(array,temp);
         ,             

/*
 * ===========================================================================
 *
 *       Filename:  snewstrct.cpp
 *    Description:  
 *        Version:  1.0
 *        Created:  2017 07 03  22 21 16 
 *       Revision:  none
 *       Compiler:  gcc
 *         Author:   (), 
 *        Company:  
 *
 * ===========================================================================
 */

#include
#include
#include
#include
using namespace::std;

/* *
 *   (      )
 * */
struct inflatable{
  char name[20];//    
  float volume;//  
  double price; //  
};


void show_inflatable(const inflatable* inf){
  cout << inf->name <cout << inf->volume <cout << inf->price <int main(int argc,char* argv[]){
  //  new/delete
  inflatable* inf = new inflatable;
  cout << "Enter name of inflatable item:";
  cin.get(inf->name,20);//(        ,  ->)
  cout << "Enter volumn in cubic feet:";
  cin >> (*inf).volume;   //          (  .   )
  cout <<"Enter price:";
  cin >> inf->price;

  show_inflatable(inf);

  //  free malloc   (    )
  inflatable* inf_t = (inflatable*)malloc(sizeof(inflatable));
  strcpy(inf_t->name,"   ");//     copy  
  inf_t->volume = 1.6;
  inf_t->price = 35;
  show_inflatable(inf_t);



  free(inf_t);
  //free(inf);      ,                  ,(          )
  delete inf;

  return 0;
}

/*
 * ===========================================================================
 *
 *       Filename:  deletearray.cpp
 *    Description:  
 *        Version:  1.0
 *        Created:  2017 07 03  22 40 59 
 *       Revision:  none
 *       Compiler:  gcc
 *         Author:   (), 
 *        Company:  
 *
 * ===========================================================================
 */

#include
#include
#include
using namespace::std;


/* *
 *  :  name new     ,                  ,         
  array            .           
 * */
char* getname(){
  char array[20];
  cout<<"enter getname:";
  cin.get(array,sizeof(array));
  //new             ,                
  char *name = new char[strlen(array)+1];//+1              ,  new      ,      delete []
  strcpy(name,array);  // array    copy name    
  return name;
}


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

  //C          ,      ,         20      ,         20   
  //               
  char array[20];
  cout << "Enter a name:";
  cin.get(array,sizeof(array));
  cout<< "array:"<<array<cin.get();//             

  char *name;
  name = getname();

  cout<delete [] name;

  return 0;
}