83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
#include <c_LinkList.h>
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#include <c_Memory.h>
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#include <c_Alignment.h>
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c_err_t c_LinkList_Init(c_LinkList_t* self, c_size_t obj_size) {
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if (!self || obj_size == 0) return C_ERR_PARAM;
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self->head = NULL;
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self->obj_size = (int)obj_size;
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self->size = 0;
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return C_ERR_SUCCESS;
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}
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void c_LinkList_Destroy(c_LinkList_t* self) {
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if (!self) return;
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c_LinkListNode_t* current = self->head;
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while (current != NULL) {
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c_LinkListNode_t* next = current->next;
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// 由於 Add 時 data 與 node 是分開或合開，此處依據一體化配置釋放
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C_FREE(current);
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current = next;
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}
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self->head = NULL;
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self->size = 0;
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}
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c_err_t c_LinkList_Add(c_LinkList_t* self, void* obj) {
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if (!self || !obj) return C_ERR_PARAM;
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int size = (int)sizeof(c_LinkListNode_t) + self->obj_size;
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size = C_ALIGN_UPB(size, C_ALIGN_SIZE);
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c_LinkListNode_t* new_node = (c_LinkListNode_t*)C_ALLOC(size);
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if (!new_node) return C_ERR_NOMEM;
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new_node->data = new_node+1;
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// 值複製 (Value Copy)
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memcpy(new_node->data, obj, self->obj_size);
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// 頭插法鏈結
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new_node->next = self->head;
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self->head = new_node;
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self->size++;
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return C_ERR_SUCCESS;
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}
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c_err_t c_LinkList_Remove(c_LinkList_t* self, void* obj) {
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if (!self || !obj) return C_ERR_PARAM;
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c_LinkListNode_t** curr = &self->head;
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while (*curr != NULL) {
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// 使用 memcmp 進行二進位值比對
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if (memcmp((*curr)->data, obj, self->obj_size) == 0) {
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c_LinkListNode_t* to_delete = *curr;
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*curr = to_delete->next;
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C_FREE(to_delete);
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self->size--;
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return C_ERR_SUCCESS;
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}
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curr = &(*curr)->next;
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}
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return C_ERR_NOT_FOUND;
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}
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void c_LinkListIter_Remove(c_LinkListIter_t* self) {
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if (!self || !self->list || !self->node || !*(self->node)) return;
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c_LinkListNode_t* to_delete = *(self->node);
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// 讓上一個節點的 next 指向下一個節點，移除鏈結
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*(self->node) = to_delete->next;
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// 釋放該節點的值與結構
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C_FREE(to_delete);
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self->list->size--;
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}
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