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
24#include <curl/curl.h>
25
26/*
27 * Similar to ftpget.c but this also stores the received response-lines
28 * in a separate file using our own callback!
29 *
30 * This functionality was introduced in libcurl 7.9.3.
31 */
32
33static size_t
34write_response(void *ptr, size_t size, size_t nmemb, void *data)
35{
36  FILE *writehere = (FILE *)data;
37  return fwrite(ptr, size, nmemb, writehere);
38}
39
40int main(void)
41{
42  CURL *curl;
43  CURLcode res;
44  FILE *ftpfile;
45  FILE *respfile;
46
47  /* local file name to store the file as */
48  ftpfile = fopen("ftp-list", "wb"); /* b is binary, needed on win32 */
49
50  /* local file name to store the FTP server's response lines in */
51  respfile = fopen("ftp-responses", "wb"); /* b is binary, needed on win32 */
52
53  curl = curl_easy_init();
54  if(curl) {
55    /* Get a file listing from sunet */
56    curl_easy_setopt(curl, CURLOPT_URL, "ftp://ftp.example.com/");
57    curl_easy_setopt(curl, CURLOPT_WRITEDATA, ftpfile);
58    /* If you intend to use this on windows with a libcurl DLL, you must use
59       CURLOPT_WRITEFUNCTION as well */
60    curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_response);
61    curl_easy_setopt(curl, CURLOPT_WRITEHEADER, respfile);
62    res = curl_easy_perform(curl);
63
64    /* always cleanup */
65    curl_easy_cleanup(curl);
66  }
67
68  fclose(ftpfile); /* close the local file */
69  fclose(respfile); /* close the response file */
70
71  return 0;
72}
73