栈相关操作[1]

 

#include <windows.h>
#include <stdio.h>
#include <tchar.h>

/*Code by ping0s1992*/

DWORD PrintHeapSize(HANDLE hHeap,LPVOID lpMem);

INT main(INT argc,PTCHAR argv[]){
    SYSTEM_INFO si;
    HANDLE hHeap; //handle of heap
    LPVOID lpMem; //pointer of memory block
    LPVOID lpReAlloc; // pointer of realloc memory block
    DWORD dwHeapSize;
    HANDLE hHeaps[24];
    DWORD dwHeapNum; //number of heap
    GetSystemInfo(&si);
    printf("系统内存页大小:0x%x\n系统内存分配粒度:0x%x\n",si.dwPageSize,si.dwAllocationGranularity);

    if(argc == 2 && 0 == lstrcmp(argv[1],TEXT("-a"))){
        hHeap = HeapCreate(HEAP_NO_SERIALIZE,si.dwPageSize,si.dwPageSize*10);
        printf("创建一个大小限定的堆\n");
    }else if(argc == 2 && 0 == lstrcmp(argv[1],TEXT("-s"))){
        hHeap=GetProcessHeap();
        printf("系统中已经存在的堆\n");
    }else{
        hHeap = HeapCreate(HEAP_NO_SERIALIZE,0,0);
        printf("创建一个堆,初始化为一页,可自增长.\n");
    }
    if(hHeap == NULL){
        printf("创建堆失败:%d\n",GetLastError());
        return 1;
    }

    dwHeapNum = GetProcessHeaps(24,hHeaps);
    if(dwHeapNum == 0){
        printf("获取进程中堆数量失败:%d\n",GetLastError());
        return 1;
    }else{
        printf("当前进程中一共有%u个堆.\n",dwHeapNum);
    }
    lpMem = HeapAlloc(hHeap,HEAP_ZERO_MEMORY,si.dwPageSize*3);
    if(lpMem == NULL){
        printf("在堆中分配内存失败:%d\n",GetLastError());
        return 1;
    }
    PrintHeapSize(hHeap,lpMem);
    lpReAlloc = HeapReAlloc(hHeap,HEAP_ZERO_MEMORY,lpMem,si.dwPageSize*11);
    if(lpReAlloc == NULL){
        printf("在堆中重新分配内存失败:%d",GetLastError());
        return 1;
    }
    printf("在堆中再分配内存,地址为:0x%x.\n原地址:0x%x\n",lpReAlloc,lpMem);

    return 0;
}

DWORD PrintHeapSize(HANDLE hHeap,LPVOID lpMem){
    SIZE_T dwHeapSize;
    dwHeapSize = HeapSize(hHeap,HEAP_NO_SERIALIZE,lpMem);
    if(dwHeapSize == -1){
        printf("Get HeapSize error:%d",GetLastError());
        return 1;
    }
    printf("内存块大小为:0x%x\n",dwHeapSize);
    return 0;
}