PreVerify/mqtt/paho.mqtt.c/LinkedList.h
2024-09-09 19:18:28 +08:00

106 lines
2.9 KiB
C

/*******************************************************************************
* Copyright (c) 2009, 2020 IBM Corp.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
*
* The Eclipse Public License is available at
* https://www.eclipse.org/legal/epl-2.0/
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Ian Craggs - initial API and implementation and/or initial documentation
* Ian Craggs - updates for the async client
* Ian Craggs - change size types from int to size_t
*******************************************************************************/
#if !defined(LINKEDLIST_H)
#define LINKEDLIST_H
#include <stdlib.h> /* for size_t definition */
/*BE
defm defList(T)
def T concat Item
{
at 4
n32 ptr T concat Item suppress "next"
at 0
n32 ptr T concat Item suppress "prev"
at 8
n32 ptr T id2str(T)
}
def T concat List
{
n32 ptr T concat Item suppress "first"
n32 ptr T concat Item suppress "last"
n32 ptr T concat Item suppress "current"
n32 dec "count"
n32 suppress "size"
}
endm
defList(INT)
defList(STRING)
defList(TMP)
BE*/
/**
* Structure to hold all data for one list element
*/
typedef struct ListElementStruct
{
struct ListElementStruct *prev, /**< pointer to previous list element */
*next; /**< pointer to next list element */
void* content; /**< pointer to element content */
} ListElement;
/**
* Structure to hold all data for one list
*/
typedef struct
{
ListElement *first, /**< first element in the list */
*last, /**< last element in the list */
*current; /**< current element in the list, for iteration */
int count; /**< no of items */
size_t size; /**< heap storage used */
} List;
void ListZero(List*);
List* ListInitialize(void);
ListElement* ListAppend(List* aList, void* content, size_t size);
void ListAppendNoMalloc(List* aList, void* content, ListElement* newel, size_t size);
ListElement* ListInsert(List* aList, void* content, size_t size, ListElement* index);
int ListRemove(List* aList, void* content);
int ListRemoveItem(List* aList, void* content, int(*callback)(void*, void*));
void* ListDetachHead(List* aList);
int ListRemoveHead(List* aList);
void* ListPopTail(List* aList);
int ListDetach(List* aList, void* content);
int ListDetachItem(List* aList, void* content, int(*callback)(void*, void*));
void ListFree(List* aList);
void ListEmpty(List* aList);
void ListFreeNoContent(List* aList);
ListElement* ListNextElement(List* aList, ListElement** pos);
ListElement* ListPrevElement(List* aList, ListElement** pos);
ListElement* ListFind(List* aList, void* content);
ListElement* ListFindItem(List* aList, void* content, int(*callback)(void*, void*));
int intcompare(void* a, void* b);
int stringcompare(void* a, void* b);
#endif