1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) James Fuller, <jim@webcomposite.com>, 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 * Set maximum number of persistent connections to 1.
26 * </DESC>
27 */
28 #include <stdio.h>
29 #include <curl/curl.h>
30
main(void)31 int main(void)
32 {
33 CURL *curl;
34 CURLcode res;
35
36 curl = curl_easy_init();
37 if(curl) {
38 const char *urls[] = { "https://example.com",
39 "https://curl.se",
40 "https://www.example/",
41 NULL /* end of list */
42 };
43 int i = 0;
44
45 /* Change the maximum number of persistent connection */
46 curl_easy_setopt(curl, CURLOPT_MAXCONNECTS, 1L);
47
48 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
49
50 /* loop over the URLs */
51 while(urls[i]) {
52 curl_easy_setopt(curl, CURLOPT_URL, urls[i]);
53
54 /* Perform the request, res gets the return code */
55 res = curl_easy_perform(curl);
56 /* Check for errors */
57 if(res != CURLE_OK)
58 fprintf(stderr, "curl_easy_perform() failed: %s\n",
59 curl_easy_strerror(res));
60 i++;
61 }
62 /* always cleanup */
63 curl_easy_cleanup(curl);
64 }
65 return 0;
66 }
67