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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel (at) haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at https://curl.haxx.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  ***************************************************************************/
     22 
     23 #include "tool_setup.h"
     24 
     25 #ifndef CURL_DISABLE_LIBCURL_OPTION
     26 
     27 #include "slist_wc.h"
     28 
     29 /* The last #include files should be: */
     30 #include "memdebug.h"
     31 
     32 /*
     33  * slist_wc_append() appends a string to the linked list. This function can be
     34  * used as an initialization function as well as an append function.
     35  */
     36 struct slist_wc *slist_wc_append(struct slist_wc *list,
     37                                  const char *data)
     38 {
     39   struct curl_slist *new_item = curl_slist_append(NULL, data);
     40 
     41   if(!new_item)
     42     return NULL;
     43 
     44   if(!list) {
     45     list = malloc(sizeof(struct slist_wc));
     46 
     47     if(!list) {
     48       curl_slist_free_all(new_item);
     49       return NULL;
     50     }
     51 
     52     list->first = new_item;
     53     list->last = new_item;
     54     return list;
     55   }
     56 
     57   list->last->next = new_item;
     58   list->last = list->last->next;
     59   return list;
     60 }
     61 
     62 /* be nice and clean up resources */
     63 void slist_wc_free_all(struct slist_wc *list)
     64 {
     65   if(!list)
     66     return;
     67 
     68   curl_slist_free_all(list->first);
     69   free(list);
     70 }
     71 
     72 #endif /* CURL_DISABLE_LIBCURL_OPTION */
     73