一个不易发生错误的内存分配器的实现

/*定义一个不易发生错误的内存分配器*/
#include <stdlib.h>

#define  MALLOC(num, type) (type *)alloc(num * sizeof(type))
extern void *alloc(size_t size);

/*一个不易发生错误的内存分配器的实现*/
#include <stdio.h>
#include "alloc.h"

void *alloc(size_t size)
{
    void *new_num;

    new_num = malloc(size);

    /*请求所需的内存，并检查是否分配成功*/
    if (NULL == new_num) {
        printf("Out of Memory!\n");
        exit(1);
    }

    return new_num;
}

#include "alloc.h"

int function()
{
    int *new_memory;

    new_memory = MALLOC(25, int);

    return 0;
}

int main()
{
    function();

    return 0;
}