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 * using the multi interface to do a single download
26 * </DESC>
27 */
28
29 #include <stdio.h>
30 #include <string.h>
31
32 /* curl stuff */
33 #include <curl/curl.h>
34
35 /*
36 * Simply download an HTTP file.
37 */
main(void)38 int main(void)
39 {
40 CURL *http_handle;
41 CURLM *multi_handle;
42 int still_running = 1; /* keep number of running handles */
43
44 curl_global_init(CURL_GLOBAL_DEFAULT);
45
46 http_handle = curl_easy_init();
47
48 /* set the options (I left out a few, you get the point anyway) */
49 curl_easy_setopt(http_handle, CURLOPT_URL, "https://www.example.com/");
50
51 /* init a multi stack */
52 multi_handle = curl_multi_init();
53
54 /* add the individual transfers */
55 curl_multi_add_handle(multi_handle, http_handle);
56
57 do {
58 CURLMcode mc = curl_multi_perform(multi_handle, &still_running);
59
60 if(!mc)
61 /* wait for activity, timeout or "nothing" */
62 mc = curl_multi_poll(multi_handle, NULL, 0, 1000, NULL);
63
64 if(mc) {
65 fprintf(stderr, "curl_multi_poll() failed, code %d.\n", (int)mc);
66 break;
67 }
68
69 } while(still_running);
70
71 curl_multi_remove_handle(multi_handle, http_handle);
72
73 curl_easy_cleanup(http_handle);
74
75 curl_multi_cleanup(multi_handle);
76
77 curl_global_cleanup();
78
79 return 0;
80 }
81
