Line data    Source code

       1             : /******************************************************************************
       2             :  * $Id$
       3             :  *
       4             :  * Project:  ASI CEOS Translator
       5             :  * Purpose:  Link list function replacements.
       6             :  * Author:   Frank Warmerdam, warmerda@home.com
       7             :  *
       8             :  ******************************************************************************
       9             :  * Copyright (c) 2000, Atlantis Scientific Inc
      10             :  *
      11             :  * Permission is hereby granted, free of charge, to any person obtaining a
      12             :  * copy of this software and associated documentation files (the "Software"),
      13             :  * to deal in the Software without restriction, including without limitation
      14             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      15             :  * and/or sell copies of the Software, and to permit persons to whom the
      16             :  * Software is furnished to do so, subject to the following conditions:
      17             :  *
      18             :  * The above copyright notice and this permission notice shall be included
      19             :  * in all copies or substantial portions of the Software.
      20             :  *
      21             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      22             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      23             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      24             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      25             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      26             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      27             :  * DEALINGS IN THE SOFTWARE.
      28             :  ****************************************************************************/
      29             : 
      30             : #include "ceos.h"
      31             : 
      32             : /************************************************************************/
      33             : /*                             ceos2CreateLink()                             */
      34             : /************************************************************************/
      35             : 
      36          46 : Link_t *ceos2CreateLink(void *pObject)
      37             : 
      38             : {
      39          46 :     Link_t *psLink = (Link_t *)CPLCalloc(sizeof(Link_t), 1);
      40             : 
      41          46 :     psLink->object = pObject;
      42             : 
      43          46 :     return psLink;
      44             : }
      45             : 
      46             : /************************************************************************/
      47             : /*                            DestroyList()                             */
      48             : /************************************************************************/
      49             : 
      50           8 : void DestroyList(Link_t *psList)
      51             : 
      52             : {
      53          54 :     while (psList != NULL)
      54             :     {
      55          46 :         Link_t *psNext = psList->next;
      56             : 
      57          46 :         CPLFree(psList);
      58          46 :         psList = psNext;
      59             :     }
      60           8 : }
      61             : 
      62             : /************************************************************************/
      63             : /*                             InsertLink()                             */
      64             : /************************************************************************/
      65             : 
      66          40 : Link_t *InsertLink(Link_t *psList, Link_t *psLink)
      67             : 
      68             : {
      69          40 :     psLink->next = psList;
      70             : 
      71          40 :     return psLink;
      72             : }
      73             : 
      74             : /************************************************************************/
      75             : /*                              AddLink()                               */
      76             : /************************************************************************/
      77             : 
      78           0 : Link_t *AddLink(Link_t *psList, Link_t *psLink)
      79             : 
      80             : {
      81             :     Link_t *psNode;
      82             : 
      83           0 :     if (psList == NULL)
      84           0 :         return psLink;
      85             : 
      86           0 :     for (psNode = psList; psNode->next != NULL; psNode = psNode->next)
      87             :     {
      88             :     }
      89             : 
      90           0 :     psNode->next = psLink;
      91             : 
      92           0 :     return psList;
      93             : }