1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef BASE_STARTUP_INITLITE_LIST_H 17 #define BASE_STARTUP_INITLITE_LIST_H 18 #include <stddef.h> 19 20 #ifdef __cplusplus 21 #if __cplusplus 22 extern "C" { 23 #endif 24 #endif 25 26 typedef struct ListNode { 27 struct ListNode *next; 28 struct ListNode *prev; 29 } ListNode, ListHead; 30 31 #define ListEmpty(node) ((node).next == &(node) && (node).prev == &(node)) 32 #define ListEntry(ptr, type, member) ((type *)((char *)(ptr) - offsetof(type, member))) 33 #define ForEachListEntry(list, node) for (node = (list)->next; node != (list); node = node->next) 34 35 void ListInit(struct ListNode *list); 36 void ListAddTail(struct ListNode *list, struct ListNode *item); 37 void ListRemove(struct ListNode *item); 38 #ifdef __cplusplus 39 #if __cplusplus 40 } 41 #endif 42 #endif 43 44 #endif // BASE_STARTUP_INITLITE_LIST_H 45