regsvr.c

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	    res = register_key_defvalueA(clsid_key, viprogid_keyname,
					 list->viprogid);
	    if (res != ERROR_SUCCESS) goto error_close_clsid_key;

	    res = register_progid(buf, list->viprogid, list->progid,
				  list->name, list->progid_extra);
	    if (res != ERROR_SUCCESS) goto error_close_clsid_key;
	}

    error_close_clsid_key:
	RegCloseKey(clsid_key);
    }

error_close_coclass_key:
    RegCloseKey(coclass_key);
error_return:
    return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
}

/***********************************************************************
 *		unregister_coclasses
 */
static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
{
    LONG res = ERROR_SUCCESS;
    HKEY coclass_key;

    res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
			KEY_READ | KEY_WRITE, &coclass_key);
    if (res == ERROR_FILE_NOT_FOUND) return S_OK;
    if (res != ERROR_SUCCESS) goto error_return;

    for (; res == ERROR_SUCCESS && list->clsid; ++list) {
	WCHAR buf[39];

	StringFromGUID2(list->clsid, buf, 39);
	res = recursive_delete_keyW(coclass_key, buf);
	if (res != ERROR_SUCCESS) goto error_close_coclass_key;

	if (list->progid) {
	    res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->progid);
	    if (res != ERROR_SUCCESS) goto error_close_coclass_key;
	}

	if (list->viprogid) {
	    res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->viprogid);
	    if (res != ERROR_SUCCESS) goto error_close_coclass_key;
	}
    }

error_close_coclass_key:
    RegCloseKey(coclass_key);
error_return:
    return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
}

/***********************************************************************
 *		regsvr_key_guid
 */
static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
{
    WCHAR buf[39];

    StringFromGUID2(guid, buf, 39);
    return register_key_defvalueW(base, name, buf);
}

/***********************************************************************
 *		regsvr_key_defvalueW
 */
static LONG register_key_defvalueW(
    HKEY base,
    WCHAR const *name,
    WCHAR const *value)
{
    LONG res;
    HKEY key;

    res = RegCreateKeyExW(base, name, 0, NULL, 0,
			  KEY_READ | KEY_WRITE, NULL, &key, NULL);
    if (res != ERROR_SUCCESS) return res;
    res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
			 (lstrlenW(value) + 1) * sizeof(WCHAR));
    RegCloseKey(key);
    return res;
}

/***********************************************************************
 *		regsvr_key_defvalueA
 */
static LONG register_key_defvalueA(
    HKEY base,
    WCHAR const *name,
    char const *value)
{
    LONG res;
    HKEY key;

    res = RegCreateKeyExW(base, name, 0, NULL, 0,
			  KEY_READ | KEY_WRITE, NULL, &key, NULL);
    if (res != ERROR_SUCCESS) return res;
    res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
			 lstrlenA(value) + 1);
    RegCloseKey(key);
    return res;
}

/***********************************************************************
 *		regsvr_progid
 */
static LONG register_progid(
    WCHAR const *clsid,
    char const *progid,
    char const *curver_progid,
    char const *name,
    char const *extra)
{
    LONG res;
    HKEY progid_key;

    res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
			  NULL, 0, KEY_READ | KEY_WRITE, NULL,
			  &progid_key, NULL);
    if (res != ERROR_SUCCESS) return res;

    if (name) {
	res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
			     (CONST BYTE*)name, strlen(name) + 1);
	if (res != ERROR_SUCCESS) goto error_close_progid_key;
    }

    if (clsid) {
	res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
	if (res != ERROR_SUCCESS) goto error_close_progid_key;
    }

    if (curver_progid) {
	res = register_key_defvalueA(progid_key, curver_keyname,
				     curver_progid);
	if (res != ERROR_SUCCESS) goto error_close_progid_key;
    }

    if (extra) {
	HKEY extra_key;

	res = RegCreateKeyExA(progid_key, extra, 0,
			      NULL, 0, KEY_READ | KEY_WRITE, NULL,
			      &extra_key, NULL);
	if (res == ERROR_SUCCESS)
	    RegCloseKey(extra_key);
    }

error_close_progid_key:
    RegCloseKey(progid_key);
    return res;
}

/***********************************************************************
 *		recursive_delete_key
 */
static LONG recursive_delete_key(HKEY key)
{
    LONG res;
    WCHAR subkey_name[MAX_PATH];
    DWORD cName;
    HKEY subkey;

    for (;;) {
	cName = sizeof(subkey_name) / sizeof(WCHAR);
	res = RegEnumKeyExW(key, 0, subkey_name, &cName,
			    NULL, NULL, NULL, NULL);
	if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
	    res = ERROR_SUCCESS; /* presumably we're done enumerating */
	    break;
	}
	res = RegOpenKeyExW(key, subkey_name, 0,
			    KEY_READ | KEY_WRITE, &subkey);
	if (res == ERROR_FILE_NOT_FOUND) continue;
	if (res != ERROR_SUCCESS) break;

	res = recursive_delete_key(subkey);
	RegCloseKey(subkey);
	if (res != ERROR_SUCCESS) break;
    }

    if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
    return res;
}

/***********************************************************************
 *		recursive_delete_keyA
 */
static LONG recursive_delete_keyA(HKEY base, char const *name)
{
    LONG res;
    HKEY key;

    res = RegOpenKeyExA(base, name, 0, KEY_READ | KEY_WRITE, &key);
    if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
    if (res != ERROR_SUCCESS) return res;
    res = recursive_delete_key(key);
    RegCloseKey(key);
    return res;
}

/***********************************************************************
 *		recursive_delete_keyW
 */
static LONG recursive_delete_keyW(HKEY base, WCHAR const *name)
{
    LONG res;
    HKEY key;

    res = RegOpenKeyExW(base, name, 0, KEY_READ | KEY_WRITE, &key);
    if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
    if (res != ERROR_SUCCESS) return res;
    res = recursive_delete_key(key);
    RegCloseKey(key);
    return res;
}

/***********************************************************************
 *		coclass list
 */
static struct regsvr_coclass const coclass_list[] = {
    {   &CLSID_DirectPlay,
	"DirectPlay Object",
	NULL,
	"dplayx.dll",
	"Both"
    },
    {   &CLSID_DirectPlayLobby,
	"DirectPlayLobby Object",
	NULL,
	"dplayx.dll",
	"Both"
    },
    { NULL }			/* list terminator */
};

/***********************************************************************
 *		interface list
 */

static struct regsvr_interface const interface_list[] = {
    { NULL }			/* list terminator */
};

/***********************************************************************
 *		DllRegisterServer (DPLAYX.@)
 */
HRESULT WINAPI DllRegisterServer(void)
{
    HRESULT hr;

    TRACE("\n");

    hr = register_coclasses(coclass_list);
    if (SUCCEEDED(hr))
	hr = register_interfaces(interface_list);
    return hr;
}

/***********************************************************************
 *		DllUnregisterServer (DPLAYX.@)
 */
HRESULT WINAPI DllUnregisterServer(void)
{
    HRESULT hr;

    TRACE("\n");

    hr = unregister_coclasses(coclass_list);
    if (SUCCEEDED(hr))
	hr = unregister_interfaces(interface_list);
    return hr;
}