xref: /third_party/curl/src/slist_wc.c (revision 13498266)
1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Daniel Stenberg, <daniel@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.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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24
25#include "tool_setup.h"
26
27#ifndef CURL_DISABLE_LIBCURL_OPTION
28
29#include "slist_wc.h"
30
31/* The last #include files should be: */
32#include "memdebug.h"
33
34/*
35 * slist_wc_append() appends a string to the linked list. This function can be
36 * used as an initialization function as well as an append function.
37 */
38struct slist_wc *slist_wc_append(struct slist_wc *list,
39                                 const char *data)
40{
41  struct curl_slist *new_item = curl_slist_append(NULL, data);
42
43  if(!new_item)
44    return NULL;
45
46  if(!list) {
47    list = malloc(sizeof(struct slist_wc));
48
49    if(!list) {
50      curl_slist_free_all(new_item);
51      return NULL;
52    }
53
54    list->first = new_item;
55    list->last = new_item;
56    return list;
57  }
58
59  list->last->next = new_item;
60  list->last = list->last->next;
61  return list;
62}
63
64/* be nice and clean up resources */
65void slist_wc_free_all(struct slist_wc *list)
66{
67  if(!list)
68    return;
69
70  curl_slist_free_all(list->first);
71  free(list);
72}
73
74#endif /* CURL_DISABLE_LIBCURL_OPTION */
75