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
33 static size_t
write_response(void * ptr,size_t size,size_t nmemb,void * data)34 write_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
main(void)40 int 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_HEADERDATA, respfile);
62 res = curl_easy_perform(curl);
63 /* Check for errors */
64 if(res != CURLE_OK)
65 fprintf(stderr, "curl_easy_perform() failed: %s\n",
66 curl_easy_strerror(res));
67
68 /* always cleanup */
69 curl_easy_cleanup(curl);
70 }
71
72 fclose(ftpfile); /* close the local file */
73 fclose(respfile); /* close the response file */
74
75 return 0;
76 }
77