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fix(codes/c): Fix linkedlist_stack.c memory release problem

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This commit is contained in:
Gonglja 2023-01-16 16:27:55 +08:00
parent 78b4c4f029
commit 3698865b32
1 changed files with 13 additions and 0 deletions
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13
codes/c/chapter_stack_and_queue/linkedlist_stack.c
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@ -20,6 +20,16 @@ void newLinkedListStack(LinkedListStack* stk) {
stk->size = 0; stk->size = 0;
} }
/* 析构函数 */
void delLinkedListStack(LinkedListStack* stk) {
while(stk->stackTop) {
ListNode *n = stk->stackTop->next;
free(stk->stackTop);
stk->stackTop = n;
}
stk->size = 0;
}
/* 获取栈的长度 */ /* 获取栈的长度 */
int size(LinkedListStack* stk) { int size(LinkedListStack* stk) {
assert(stk); assert(stk);
@ -64,6 +74,7 @@ void pop(LinkedListStack* stk) {
int main() { int main() {
/* 初始化栈 */ /* 初始化栈 */
LinkedListStack stack; LinkedListStack stack;
/* 构造函数 */
newLinkedListStack(&stack); newLinkedListStack(&stack);
/* 元素入栈 */ /* 元素入栈 */
@ -93,5 +104,7 @@ int main() {
bool isEmpty = empty(&stack); bool isEmpty = empty(&stack);
printf("栈是否为空 = %s\r\n", isEmpty ? "yes" : "no"); printf("栈是否为空 = %s\r\n", isEmpty ? "yes" : "no");
/* 析构函数 */
delLinkedListStack(&stack);
return 0; return 0;
} }