xref: /third_party/curl/docs/examples/imap-multi.c (revision 13498266)
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
39int 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 will fetch 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