return new_element;
}
-plist_t* plist_new(void) {
- plist_t* list = xmalloc(sizeof(*list));
+plist_t *plist_new(void) {
+ plist_t *list = xmalloc(sizeof(*list) + sizeof(*list->obst));
- obstack_init(list->obst);
+ list->obst = (struct obstack *)&list[1];
list->foreign_obstack = 0;
list->first_element = NULL;
list->last_element = NULL;
list->first_free_element = NULL;
list->element_count = 0;
+ obstack_init(list->obst);
return list;
}
}
}
-void plist_insert_back(plist_t* list, void* value) {
+void plist_insert_back(plist_t *list, void *value) {
if (list->last_element != NULL) {
plist_insert_after(list, list->last_element, value);
}
else {
- plist_element_t* newElement = allocate_element(list);
+ plist_element_t *newElement = allocate_element(list);
newElement->data = value;
newElement->prev = NULL;
}
}
-void plist_insert_front(plist_t* list, void* value) {
+void plist_insert_front(plist_t *list, void *value) {
if (list->first_element != NULL) {
plist_insert_before(list, list->first_element, value);
}
else {
- plist_element_t* newElement = allocate_element(list);
+ plist_element_t *newElement = allocate_element(list);
newElement->data = value;
newElement->prev = NULL;
}
}
-void plist_insert_before(plist_t* list, plist_element_t* element, void* value) {
- plist_element_t* prevElement;
- plist_element_t* newElement = allocate_element(list);
+void plist_insert_before(plist_t *list, plist_element_t *element, void *value) {
+ plist_element_t *prevElement;
+ plist_element_t *newElement = allocate_element(list);
newElement->data = value;
newElement->next = element;
}
void plist_insert_after(plist_t* list, plist_element_t* element, void* value) {
- plist_element_t* nextElement;
- plist_element_t* newElement = allocate_element(list);
+ plist_element_t *nextElement;
+ plist_element_t *newElement = allocate_element(list);
newElement->data = value;
newElement->prev = element;
++list->element_count;
}
+int plist_has_value(plist_t *list, void *value) {
+ plist_element_t *iter;
+
+ for (iter = plist_first(list); iter; iter = plist_element_get_next(iter)) {
+ if (plist_element_get_value(iter) == value)
+ return 1;
+ }
+
+ return 0;
+}
+
+plist_element_t *plist_find_value(plist_t *list, void *value) {
+ plist_element_t *iter;
+
+ for (iter = plist_first(list); iter; iter = plist_element_get_next(iter)) {
+ if (plist_element_get_value(iter) == value)
+ return iter;
+ }
+
+ return NULL;
+}
+
void plist_erase(plist_t *list, plist_element_t *element) {
plist_element_t *next_element = element->next;
plist_element_t *prev_element = element->prev;