app2_2a.cpp

需要platformbuild调试

// app2_2a.cpp : Simple application to explore heap behavior.
//

#include "stdafx.h"

int WINAPI WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR     lpCmdLine,
                     int       nCmdShow)
{
#define HEAP_BLOCK_SIZE 2

	// allocate heap block 1
	char *pbuf1 = (char *) LocalAlloc(LPTR, HEAP_BLOCK_SIZE);
	RETAILMSG(1, (TEXT("app2_2a block 1 (%d bytes) at %08Xh"), 
		LocalSize(pbuf1), pbuf1));
	*pbuf1 = '1';

	// allocate heap block 2
	char *pbuf2 = (char *) LocalAlloc(LPTR, HEAP_BLOCK_SIZE);
	RETAILMSG(1, (TEXT("app2_2a block 2 (%d bytes) at %08Xh"), 
		LocalSize(pbuf2), pbuf2));
	*pbuf2 = '2';

	// allocate heap block 3
	char *pbuf3 = (char *) LocalAlloc(LPTR, HEAP_BLOCK_SIZE);
	RETAILMSG(1, (TEXT("app2_2a block 3 (%d bytes) at %08Xh"), 
		LocalSize(pbuf3), pbuf3));
	*pbuf3 = '3';

	// deallocate heap block 1
	RETAILMSG(1, (TEXT("app2_2a block 1 (%d bytes) at %08Xh freed"), 
		LocalSize(pbuf1), pbuf1));
	LocalFree(pbuf1);

	// deallocate heap block 2
	RETAILMSG(1, (TEXT("app2_2a block 2 (%d bytes) at %08Xh freed"), 
		LocalSize(pbuf2), pbuf2));
	LocalFree(pbuf2);

	// deallocate heap block 3
	RETAILMSG(1, (TEXT("app2_2a block 3 (%d bytes) at %08Xh freed"), 
		LocalSize(pbuf3), pbuf3));
	LocalFree(pbuf3);

	// allocate heap block 4
	char *pbuf4 = (char *) LocalAlloc(LPTR, HEAP_BLOCK_SIZE);
	RETAILMSG(1, (TEXT("app2_2a block 4 (%d bytes) at %08Xh"), 
		LocalSize(pbuf4), pbuf4));
	*pbuf4 = '4';

	// allocate heap block 5
	char *pbuf5 = (char *) LocalAlloc(LPTR, HEAP_BLOCK_SIZE);
	RETAILMSG(1, (TEXT("app2_2a block 5 (%d bytes) at %08Xh"), 
		LocalSize(pbuf5), pbuf5));
	*pbuf5 = '5';

	// allocate heap block 6
	char *pbuf6 = (char *) LocalAlloc(LPTR, HEAP_BLOCK_SIZE);
	RETAILMSG(1, (TEXT("app2_2a block 6 (%d bytes) at %08Xh"), 
		LocalSize(pbuf6), pbuf6));
	*pbuf6 = '6';

	// stay resident until manually terminated
	for(;;) {
		Sleep(1000);
	}

	return 0;
}