ZE-Standard-Libraries/list/list.h

108 lines
2.1 KiB
C

typedef struct Node{
unsigned long int id;
void *value;
struct Node *next;
struct Node *last;
}Node;
typedef struct List{
Node *head;
Node *tail;
unsigned long int length;
}List;
List *init_list();
Node *init_node();
int insertInHead(List *p_list, Node *p_node);
int insertInTail(List *p_list, Node *p_node);
int removeById(List *p_list, unsigned long id);
int removeByNode(List *p_list, Node *p_node);
int popFromHead(List *p_list);
int popFromTail(List *p_list);
unsigned long int len(List *p_list);
Node *findById(List *p_list, unsigned long int id);
Node *findByValue(List *p_list, char type[], void *value);
int insertInHead(List *p_list, Node *p_node){
p_list->head->last = p_node;
//p_node->last = NULL;
p_node->next = p_list->head;
p_list->head = p_node;
return 0;
}
int insertInTail(List *p_list, Node *p_node){
p_list->tail->next = p_node;
//p_node->next = NULL;
p_node->last = p_list->tail;
p_list->tail = p_node;
return 0;
}
int removeById(List *p_list, unsigned long id){
Node *tmp = p_list->head;
if(tmp == NULL)
return -1;//这说明p_list指向空列表
do{
if( *(tmp->value) == id ){
tmp->last->next = tmp->next;
tmp->next->last = tmp->last;
return 1;//找到了
}
else
tmp = tmp->next;
}while(tmp != NULL)
return 0;//没找到
}
int removeByNode(List *p_list, Node *p_node){
Node *tmp = p_list->head;
if(tmp == NULL)
return -1;//这说明p_list指向空列表
do{
if(tmp == p_node){
tmp->last->next = tmp->next;
tmp->next->last = tmp->last;
return 1;//找到了
}
else
tmp = tmp->next;
}while(tmp != NULL)
return 0;//没找到
}
int popFromHead(List *p_list){
if(p_list->head == NULL)
return -1;
if(p_list->head->next == NULL){
p_list->head = NULL;
p_list->tail = NULL;
}
else{
p_list->head->next->last = NULL;
p_list->head = p_list->head->next;
}
return 0;
}
int popFromTail(List *p_list){
if(p_list->head == NULL)
return -1;
if(p_list->head->next == NULL){
p_list->head = NULL;
p_list->tail = NULL;
}
else{
p_list->tail->last->next = NULL;
p_list->tail = p_list->tail->last;
}
return 0;
}