1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
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 http://curl.haxx.se/docs/copyright.html.
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.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
22 ***************************************************************************/
34 /* The last #include file should be: */
37 /* returns last node in linked list */
38 static struct curl_slist *slist_get_last(struct curl_slist *list)
40 struct curl_slist *item;
42 /* if caller passed us a NULL, return now */
46 /* loop through to find the last item */
55 * curl_slist_append() appends a string to the linked list. It always returns
56 * the address of the first record, so that you can use this function as an
57 * initialization function as well as an append function. If you find this
58 * bothersome, then simply create a separate _init function and call it
59 * appropriately from within the program.
61 struct curl_slist *curl_slist_append(struct curl_slist *list,
64 struct curl_slist *last;
65 struct curl_slist *new_item;
67 new_item = malloc(sizeof(struct curl_slist));
69 char *dupdata = strdup(data);
71 new_item->next = NULL;
72 new_item->data = dupdata;
83 last = slist_get_last(list);
84 last->next = new_item;
88 /* if this is the first item, then new_item *is* the list */
93 * Curl_slist_duplicate() duplicates a linked list. It always returns the
94 * address of the first record of the cloned list or NULL in case of an
95 * error (or if the input list was NULL).
97 struct curl_slist *Curl_slist_duplicate(struct curl_slist *inlist)
99 struct curl_slist *outlist = NULL;
100 struct curl_slist *tmp;
103 tmp = curl_slist_append(outlist, inlist->data);
106 curl_slist_free_all(outlist);
111 inlist = inlist->next;
116 /* be nice and clean up resources */
117 void curl_slist_free_all(struct curl_slist *list)
119 struct curl_slist *next;
120 struct curl_slist *item;