#include <iostream>
using namespace std;
template <class T>
bool Make1DArray(T *x,int num)
{
x=new int [num];
if (NULL!=x)
{
return true;
}
return false;
}
template <class T>
void Delete1DArray(T *x)
{
if (NULL==x)
{
return;
}
delete []x;
x=NULL;
}
template <class T>
bool Make2DArray(T **x,int rows,int cols)
{
x=new T*[rows];
for (int i=0;i<rows;i++)
{
x[i]=new T[cols];
}
return true;
}
template <class T>
void Delete2DArray(T **x,int cols)
{
if (NULL==x)
{
return;
}
for (int i=0;i<cols;i++)
{
delete[]x[i];
}
delete []x;
x=NULL;
}
template <class T>
bool Malloc1DArray(T *x,int num)
{
x=(T *)malloc(sizeof(T)*num);
if (x!=NULL)
{
return true;
}
return false;
}
template <class T>
void Free1DArray(T *x)
{
if (NULL==x)
{
return;
}
free((void *)x);
x=NULL;
}
template <class T>
bool Malloc2DArray(T **x,int nrow,int nclos)
{
x=(T **)malloc(sizeof(T *)*nrow);
for (int i=0;i<nrow;i++)
{
x[i]=(T *)malloc(sizeof(T)*nclos);
}
return true;
}
template <class T>
void Free2DArray(T **x,int nrow)
{
if (NULL==x)
{
return;
}
for (int i=0;i<nrow;++i)
{
free((void *)x[i]);
}
free((void *)x);
x=NULL;
}
int main()
{
int n=10;
int m=3;
cout<<"new一级指针"<<endl;
int *p=NULL;
Make1DArray<int>(p,10);
Delete1DArray<int>(p);
cout<<"new二级指针"<<endl;
int **q=NULL;
Make2DArray<int>(q,m,n);
Delete2DArray<int>(q,n);
cout<<"malloc一级指针"<<endl;
int *r=NULL;
Malloc1DArray<int>(r,n);
Free1DArray<int>(r);
cout<<"malloc二级指针"<<endl;
int **t=NULL;
Malloc2DArray<int>(t,m,n);
Free2DArray<int>(t,m);
cout<<"ok"<<endl;
}
