Lines Matching defs:NULL
47 const char* error_message = NULL;
77 if (extra_error_message != NULL) {
81 if (error_message != NULL) {
272 // from NULL to non-NULL or vice versa to catch bugs. So, we have
273 // to NULL it first before setting it to the value.
274 hr->set_containing_set(NULL);
279 if (_head != NULL) {
280 assert(length() > 0 && _tail != NULL, hrs_ext_msg(this, "invariant"));
283 assert(length() == 0 && _tail == NULL, hrs_ext_msg(this, "invariant"));
311 // from NULL to non-NULL or vice versa to catch bugs. So, we have
312 // to NULL it first before setting it to the value.
313 hr->set_containing_set(NULL);
318 if (_tail != NULL) {
319 assert(length() > 0 && _head != NULL, hrs_ext_msg(this, "invariant"));
322 assert(length() == 0 && _head == NULL, hrs_ext_msg(this, "invariant"));
341 while (curr != NULL) {
345 curr->set_next(NULL);
346 curr->set_containing_set(NULL);
363 HeapRegion* prev = NULL;
365 while (curr != NULL) {
375 if (prev == NULL) {
382 if (next == NULL) {
389 curr->set_next(NULL);
426 HeapRegion* prev1 = NULL;
427 HeapRegion* prev0 = NULL;
429 while (curr != NULL) {
452 _head = NULL;
453 _tail = NULL;