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/**********************************************************************
* $Id$
*
* Name: cpl_list.h
* Project: CPL - Common Portability Library
* Purpose: List functions.
* Author: Andrey Kiselev, dron@remotesensing.org
*
**********************************************************************
* Copyright (c) 2003, Andrey Kiselev <dron@remotesensing.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef CPL_LIST_H_INCLUDED
#define CPL_LIST_H_INCLUDED
#include "cpl_port.h"
/**
* \file cpl_list.h
*
* Simplest list implementation. List contains only pointers to stored
* objects, not objects itself. All operations regarding allocation and
* freeing memory for objects should be performed by the caller.
*
*/
CPL_C_START
/** List element structure. */
typedef struct _CPLList CPLList;
/** List element structure. */
struct _CPLList
{
/*! Pointer to the data object. Should be allocated and freed by the
* caller.
* */
void *pData;
/*! Pointer to the next element in list. NULL, if current element is the
* last one.
*/
struct _CPLList *psNext;
};
CPLList CPL_DLL *CPLListAppend(CPLList *psList, void *pData);
CPLList CPL_DLL *CPLListInsert(CPLList *psList, void *pData, int nPosition);
CPLList CPL_DLL *CPLListGetLast(CPLList *psList);
CPLList CPL_DLL *CPLListGet(CPLList *const psList, int nPosition);
int CPL_DLL CPLListCount(const CPLList *psList);
CPLList CPL_DLL *CPLListRemove(CPLList *psList, int nPosition);
void CPL_DLL CPLListDestroy(CPLList *psList);
CPLList CPL_DLL *CPLListGetNext(const CPLList *psElement);
void CPL_DLL *CPLListGetData(const CPLList *psElement);
CPL_C_END
#endif /* CPL_LIST_H_INCLUDED */
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