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/* <DESC>
25 * Issue an HTTP 'OPTIONS *' request
26 * </DESC>
27 */
28#include <stdio.h>
29#include <curl/curl.h>
30
31int main(void)
32{
33  CURL *curl;
34  CURLcode res;
35
36  curl = curl_easy_init();
37  if(curl) {
38    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
39    curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "OPTIONS");
40
41    /* issue an OPTIONS * request (no leading slash) */
42    curl_easy_setopt(curl, CURLOPT_REQUEST_TARGET, "*");
43
44    /* if this operation fails, allow risking a memory leak and do quick exit
45       from libcurl as this will exit() anyway */
46    curl_easy_setopt(curl, CURLOPT_QUICK_EXIT, 1L);
47
48    /* Perform the request, res will get the return code */
49    res = curl_easy_perform(curl);
50    /* Check for errors */
51    if(res != CURLE_OK)
52      fprintf(stderr, "curl_easy_perform() failed: %s\n",
53              curl_easy_strerror(res));
54
55    /* always cleanup */
56    curl_easy_cleanup(curl);
57  }
58  return 0;
59}
60