gdal/frmts/ceos2/link.c

94 строки
3.0 KiB
C

/******************************************************************************
* $Id$
*
* Project: ASI CEOS Translator
* Purpose: Link list function replacements.
* Author: Frank Warmerdam, warmerda@home.com
*
******************************************************************************
* Copyright (c) 2000, Atlantis Scientific Inc
*
* 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.
****************************************************************************/
#include "ceos.h"
/************************************************************************/
/* ceos2CreateLink() */
/************************************************************************/
Link_t *ceos2CreateLink(void *pObject)
{
Link_t *psLink = (Link_t *)CPLCalloc(sizeof(Link_t), 1);
psLink->object = pObject;
return psLink;
}
/************************************************************************/
/* DestroyList() */
/************************************************************************/
void DestroyList(Link_t *psList)
{
while (psList != NULL)
{
Link_t *psNext = psList->next;
CPLFree(psList);
psList = psNext;
}
}
/************************************************************************/
/* InsertLink() */
/************************************************************************/
Link_t *InsertLink(Link_t *psList, Link_t *psLink)
{
psLink->next = psList;
return psLink;
}
/************************************************************************/
/* AddLink() */
/************************************************************************/
Link_t *AddLink(Link_t *psList, Link_t *psLink)
{
Link_t *psNode;
if (psList == NULL)
return psLink;
for (psNode = psList; psNode->next != NULL; psNode = psNode->next)
{
}
psNode->next = psLink;
return psList;
}