Lines Matching defs:NULL
41 hrs_assert_region_ok(this, hr, NULL);
42 assert(hr->next() == NULL, hrs_ext_msg(this, "should not already be linked"));
70 assert(hr->next() == NULL, hrs_ext_msg(this, "should already be unlinked"));
72 hr->set_containing_set(NULL);
98 hr->set_containing_set(NULL);
106 assert((length() == 0 && _head == NULL && _tail == NULL) ||
107 (length() > 0 && _head != NULL && _tail != NULL),
113 if (_head != NULL) {
123 assert((length() == 0 && _head == NULL && _tail == NULL) ||
124 (length() > 0 && _head != NULL && _tail != NULL),
130 if (_tail != NULL) {
141 assert(length() > 0 && _head != NULL && _tail != NULL,
147 if (_head == NULL) {
148 _tail = NULL;
150 hr->set_next(NULL);
163 return NULL;