1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2014, 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 http://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 #include <stdio.h>
23 #include <curl/curl.h>
24
main(void)25 int main(void)
26 {
27 CURL *curl;
28 CURLcode res;
29
30 curl = curl_easy_init();
31 if(curl) {
32 struct curl_slist *chunk = NULL;
33
34 /* Remove a header curl would otherwise add by itself */
35 chunk = curl_slist_append(chunk, "Accept:");
36
37 /* Add a custom header */
38 chunk = curl_slist_append(chunk, "Another: yes");
39
40 /* Modify a header curl otherwise adds differently */
41 chunk = curl_slist_append(chunk, "Host: example.com");
42
43 /* Add a header with "blank" contents to the right of the colon. Note that
44 we're then using a semicolon in the string we pass to curl! */
45 chunk = curl_slist_append(chunk, "X-silly-header;");
46
47 /* set our custom set of headers */
48 res = curl_easy_setopt(curl, CURLOPT_HTTPHEADER, chunk);
49
50 curl_easy_setopt(curl, CURLOPT_URL, "localhost");
51 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
52
53 res = curl_easy_perform(curl);
54 /* Check for errors */
55 if(res != CURLE_OK)
56 fprintf(stderr, "curl_easy_perform() failed: %s\n",
57 curl_easy_strerror(res));
58
59 /* always cleanup */
60 curl_easy_cleanup(curl);
61
62 /* free the custom headers */
63 curl_slist_free_all(chunk);
64 }
65 return 0;
66 }
67