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
25 /* <DESC>
26 * Get POP3 email using the multi interface
27 * </DESC>
28 */
29
30 #include <stdio.h>
31 #include <string.h>
32 #include <curl/curl.h>
33
34 /* This is a simple example showing how to retrieve mail using libcurl's POP3
35 * capabilities. It builds on the pop3-retr.c example to demonstrate how to use
36 * libcurl's multi interface.
37 */
38
main(void)39 int main(void)
40 {
41 CURL *curl;
42 CURLM *mcurl;
43 int still_running = 1;
44
45 curl_global_init(CURL_GLOBAL_DEFAULT);
46
47 curl = curl_easy_init();
48 if(!curl)
49 return 1;
50
51 mcurl = curl_multi_init();
52 if(!mcurl)
53 return 2;
54
55 /* Set username and password */
56 curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
57 curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
58
59 /* This retrieves message 1 from the user's mailbox */
60 curl_easy_setopt(curl, CURLOPT_URL, "pop3://pop.example.com/1");
61
62 /* Tell the multi stack about our easy handle */
63 curl_multi_add_handle(mcurl, curl);
64
65 do {
66 CURLMcode mc = curl_multi_perform(mcurl, &still_running);
67
68 if(still_running)
69 /* wait for activity, timeout or "nothing" */
70 mc = curl_multi_poll(mcurl, NULL, 0, 1000, NULL);
71
72 if(mc)
73 break;
74
75 } while(still_running);
76
77 /* Always cleanup */
78 curl_multi_remove_handle(mcurl, curl);
79 curl_multi_cleanup(mcurl);
80 curl_easy_cleanup(curl);
81 curl_global_cleanup();
82
83 return 0;
84 }
85
