xref: /curl/docs/examples/imap-multi.c (revision f540e43b)
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 IMAP email with 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 fetch mail using libcurl's IMAP
35  * capabilities. It builds on the imap-fetch.c example to demonstrate how to
36  * use 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 fetches message 1 from the user's inbox */
60   curl_easy_setopt(curl, CURLOPT_URL, "imap://imap.example.com/INBOX/;UID=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   } while(still_running);
75 
76   /* Always cleanup */
77   curl_multi_remove_handle(mcurl, curl);
78   curl_multi_cleanup(mcurl);
79   curl_easy_cleanup(curl);
80   curl_global_cleanup();
81 
82   return 0;
83 }
84