list.h

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/*
 * Copyright 2015-2018 Yubico AB
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef LIST_H
#define LIST_H
 
#include <stdbool.h>
 
typedef void (*FreeItemFn)(void *);
 
typedef bool (*CompareItemFn)(void *, void *);
 
typedef void (*IteratorFn)(void *);
 
typedef struct ListItem ListItem;
 
struct ListItem {
  void *data;
  ListItem *next;
};
 
typedef struct {
  int length;
  int item_size;
  ListItem *head;
  ListItem *tail;
  FreeItemFn free_item_fn;
} List;
 
void list_create(List *list, int item_size, FreeItemFn free_item_fn);
void list_destroy(List *list);
 
bool list_prepend(List *list, void *item);
bool list_append(List *list, void *item);
 
ListItem *list_get(List *list, void *data, CompareItemFn compare_item_fn);
void list_delete(List *list, ListItem *item);
 
void list_iterate(List *list, IteratorFn iterator_fn);
 
#endif