MALLOC2.H

/* 
 * MALLOC2.H 
 * C++ Malloc Demonstration Chapter 2 
 * 
 * Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved 
 * 
 * Kraig Brockschmidt, Microsoft 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#ifndef _MALLOC2_H_ 
#define _MALLOC2_H_ 
 
#include <inole.h> 
 
//Menu Resource ID and Commands 
#define IDR_MENU                1 
 
 
#define IDM_COGETMALLOC         100 
#define IDM_RELEASE             101 
#define IDM_ALLOC               102 
#define IDM_FREE                103 
#define IDM_REALLOC             104 
#define IDM_GETSIZE             105 
#define IDM_DIDALLOC            106 
#define IDM_HEAPMINIMIZE        107 
#define IDM_EXIT                108 
 
 
 
//MALLOC2.CPP 
LRESULT APIENTRY MallocWndProc(HWND, UINT, WPARAM, LPARAM); 
 
//How many allocations we'll perform 
#define CALLOCS 10 
 
 
class CApp 
    { 
    friend LRESULT APIENTRY MallocWndProc(HWND, UINT, WPARAM, LPARAM); 
 
    protected: 
        HINSTANCE       m_hInst;            //WinMain parameters 
        HINSTANCE       m_hInstPrev; 
        UINT            m_nCmdShow; 
 
        HWND            m_hWnd;             //Main window handle 
        IMalloc        *m_pIMalloc;         //From CoGetMalloc 
 
        BOOL            m_fAllocated;       //We have allocations? 
        ULONG           m_rgcb[CALLOCS];    //Sizes to allocate 
        LPVOID          m_rgpv[CALLOCS];    //Allocated pointers 
 
    public: 
        CApp(HINSTANCE, HINSTANCE, UINT); 
        ~CApp(void); 
        BOOL Init(void); 
 
        void GetAllocator(void); 
        BOOL HaveAllocator(void); 
        BOOL DoAllocations(BOOL); 
        BOOL HaveAllocations(void); 
        void FreeAllocations(BOOL); 
 
        void Message(LPTSTR); 
    }; 
 
typedef CApp *PAPP; 
 
 
#define CBWNDEXTRA              sizeof(PAPP) 
#define MALLOCWL_STRUCTURE      0 
 
 
#endif //_MALLOC2_H_