内容的申请和释放

#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;
}