1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2011, 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 http://curl.haxx.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 ***************************************************************************/
22#include <stdio.h>
23#include <curl/curl.h>
24
25#define STOP_DOWNLOAD_AFTER_THIS_MANY_BYTES 6000
26
27static int progress(void *p,
28                    double dltotal, double dlnow,
29                    double ultotal, double ulnow)
30{
31  fprintf(stderr, "UP: %g of %g  DOWN: %g of %g\r\n",
32          ulnow, ultotal, dlnow, dltotal);
33
34  if(dlnow > STOP_DOWNLOAD_AFTER_THIS_MANY_BYTES)
35    return 1;
36  return 0;
37}
38
39int main(void)
40{
41  CURL *curl;
42  CURLcode res=0;
43
44  curl = curl_easy_init();
45  if(curl) {
46    curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/");
47    curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress);
48    curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
49    res = curl_easy_perform(curl);
50
51    if(res)
52      fprintf(stderr, "%s\n", curl_easy_strerror(res));
53
54    /* always cleanup */
55    curl_easy_cleanup(curl);
56  }
57  return (int)res;
58}
59