/*
 * rename to demo.c and compile under cygwin as
 *
 * i686-w64-mingw32-gcc demo.c -lVirtDisk
 */

#define _WIN32_WINNT 0x601
#define INITGUID

#include <Windows.h>
#include <VirtDisk.h>
#include <tchar.h>
#include <stdio.h>

#define VHDPATH L"D:\\test.vhd"

int
main (void)
{
	VIRTUAL_STORAGE_TYPE vst;
	HANDLE hVhd;
	ATTACH_VIRTUAL_DISK_PARAMETERS params;
	DWORD rc;

	vst.DeviceId = VIRTUAL_STORAGE_TYPE_DEVICE_VHD;
	vst.VendorId = VIRTUAL_STORAGE_TYPE_VENDOR_MICROSOFT;

	rc = OpenVirtualDisk (
		&vst,
		VHDPATH,
		(VIRTUAL_DISK_ACCESS_MASK) (VIRTUAL_DISK_ACCESS_ATTACH_RW | VIRTUAL_DISK_ACCESS_DETACH),
		OPEN_VIRTUAL_DISK_FLAG_NONE,
		NULL,
		&hVhd
	);

	if (rc != ERROR_SUCCESS)
	{
		fwprintf (stderr, L"OpenVirtualDisk() failed, rc = %lu\n", rc);
		return 10;
	}

	params.Version = ATTACH_VIRTUAL_DISK_VERSION_1;

	rc = AttachVirtualDisk (
		hVhd,
		NULL,
		(ATTACH_VIRTUAL_DISK_FLAG)(ATTACH_VIRTUAL_DISK_FLAG_NO_DRIVE_LETTER | ATTACH_VIRTUAL_DISK_FLAG_PERMANENT_LIFETIME),
		0,
		&params,
		NULL
	);

	if (rc != ERROR_SUCCESS)
	{
		fwprintf (stderr, L"AttachVirtualDisk() failed, rc = %lu\n", rc);
		return 10;
	}

	wprintf (L"OK!\n");
	return 0;
}