搞定了remove和pop,但是会出现内存泄漏的情况。

This commit is contained in:
MapleSign 2018-02-08 11:23:06 +08:00
parent 656658a0ef
commit afd8cc01a5

View File

@ -39,3 +39,69 @@ int insertInTail(List *p_list, Node *p_node){
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;
}