device_manager/playground/device_manager.cpp

66 	device_node*		owner;			// associated node; NULL for temporary allocation
151 								const char* subPath = NULL);
158 								device_node* previous = NULL);
160 			status_t		_RegisterDynamic(device_node* previous = NULL);
224 	} while (node != NULL && recursive);
226 	return NULL;
241 	if (attr == NULL)
295 	if (device == NULL)
314 				return NULL;
330 		if (device != NULL)
334 	return NULL;
360 	if ((parent == NULL && sRootNode != NULL) || moduleName == NULL)
363 	if (parent != NULL && parent->FindChild(attrs) != NULL) {
372 	if (newNode == NULL)
438 	if (node->DriverModule() == NULL)
441 	if (_module != NULL)
443 	if (_data != NULL)
453 	if (sRootNode != NULL)
470 	while (iterator.HasNext() && last != NULL) {
485 			if (last != NULL)
494 	if (last != NULL)
504 	if (node == NULL)
505 		return NULL;
527 	if (path == NULL || !path[0] || moduleName == NULL || !moduleName[0])
535 	if (device == NULL)
551 	if (path == NULL)
574 	if (node == NULL || name == NULL || _value == NULL)
578 	if (attr == NULL)
590 	if (node == NULL || name == NULL || _value == NULL)
594 	if (attr == NULL)
606 	if (node == NULL || name == NULL || _value == NULL)
610 	if (attr == NULL)
622 	if (node == NULL || name == NULL || _value == NULL)
626 	if (attr == NULL)
638 	if (node == NULL || name == NULL || _value == NULL)
642 	if (attr == NULL)
654 	if (node == NULL || name == NULL || (_data == NULL && _length == NULL))
658 	if (attr == NULL)
661 	if (_data != NULL)
663 	if (_length != NULL)
672 	if (node == NULL)
678 	if (attr != NULL) {
696 		NULL
729 	name = NULL;
731 	value.raw.data = NULL;
751 	return name != NULL ? B_OK : B_NO_INIT;
759 	if (name == NULL)
773 			if (attr.value.string != NULL) {
775 				if (value.string == NULL) {
780 				value.string = NULL;
785 			if (value.raw.data == NULL) {
813 	name = NULL;
814 	value.raw.data = NULL;
868 	fDeviceModule(NULL),
869 	fDeviceData(NULL)
886 	return fPath != NULL && fModuleName != NULL ? B_OK : B_NO_MEMORY;
916 	if (fDeviceModule->init_device != NULL)
924 		fDeviceModule = NULL;
925 		fDeviceData = NULL;
942 	if (fDeviceModule->uninit_device != NULL)
945 	fDeviceModule = NULL;
946 	fDeviceData = NULL;
964 	if (fModuleName == NULL)
967 	fParent = NULL;
974 	fDriver = NULL;
975 	fDriverData = NULL;
979 	while (attrs != NULL && attrs->name != NULL) {
982 		if (attr == NULL)
997 	ASSERT(DriverModule() == NULL);
999 	if (Parent() != NULL) {
1040 	return fModuleName != NULL ? B_OK : B_NO_MEMORY;
1048 		if (Parent() != NULL) {
1057 	if (status == B_OK && Parent() != NULL) {
1066 	if (fDriver->init_driver != NULL)
1070 		if (Parent() != NULL)
1075 		fDriver = NULL;
1076 		fDriverData = NULL;
1089 		if (Parent() != NULL)
1097 	if (fDriver->uninit_driver != NULL)
1100 	fDriver = NULL;
1101 	fDriverData = NULL;
1105 	if (Parent() != NULL)
1126 	node->fParent = NULL;
1140 	if (parent != NULL)
1171 	if (DriverModule()->register_child_devices != NULL) {
1218 		if (driver->register_device != NULL) {
1239 	if (path == NULL)
1243 	if (status == B_OK && subPath != NULL && subPath[0])
1258 	Stack<KPath*>* stack = NULL;
1260 	if (cookie == NULL) {
1263 		if (stack == NULL)
1369 		if (driver->supports_device == NULL
1370 			|| driver->register_device == NULL) {
1384 	if (bestDriver == NULL)
1385 		bestSupport = previous != NULL ? previous->fSupportsParent : 0.0f;
1390 		if (previous != NULL && driver == previous->DriverModule()) {
1397 			if (bestDriver != NULL)
1410 	return bestDriver != NULL ? B_OK : B_ENTRY_NOT_FOUND;
1464 		driver_module_info* bestDriver = NULL;
1466 		void* cookie = NULL;
1472 		if (bestDriver != NULL) {
1480 				if (child != NULL) {
1482 					if (previous != NULL) {
1495 		void* cookie = NULL;
1541 	return NULL;
1581 			device_node* previous = NULL;
1593 				if (previous != NULL) {
1665 		if (device->DeviceModule() != NULL
1666 			&& device->DeviceModule()->device_removed != NULL)
1672 	if (IsInitialized() && DriverModule()->device_removed != NULL)
1721 	if (attributes == NULL)
1724 	for (; attributes->name != NULL; attributes++) {
1727 		device_attr_private* attr = NULL;
1749 	if (attributes == NULL)
1750 		return NULL;
1762 	return NULL;
1769 	if (moduleName == NULL)
1770 		return NULL;
1780 	return NULL;
1814 		{NULL}
1817 	if (register_node(NULL, DEVICE_MANAGER_ROOT_NAME, attrs, NULL, NULL)
1828 		NULL,
1830 	NULL