1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2016, 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.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 /* <DESC>
27 * Similar to ftpget.c but also stores the received response-lines
28 * in a separate file using our own callback!
29 * </DESC>
30 */
31 static size_t
write_response(void * ptr,size_t size,size_t nmemb,void * data)32 write_response(void *ptr, size_t size, size_t nmemb, void *data)
33 {
34 FILE *writehere = (FILE *)data;
35 return fwrite(ptr, size, nmemb, writehere);
36 }
37
38 #define FTPBODY "ftp-list"
39 #define FTPHEADERS "ftp-responses"
40
main(void)41 int main(void)
42 {
43 CURL *curl;
44 CURLcode res;
45 FILE *ftpfile;
46 FILE *respfile;
47
48 /* local file name to store the file as */
49 ftpfile = fopen(FTPBODY, "wb"); /* b is binary, needed on win32 */
50
51 /* local file name to store the FTP server's response lines in */
52 respfile = fopen(FTPHEADERS, "wb"); /* b is binary, needed on win32 */
53
54 curl = curl_easy_init();
55 if(curl) {
56 /* Get a file listing from sunet */
57 curl_easy_setopt(curl, CURLOPT_URL, "ftp://ftp.example.com/");
58 curl_easy_setopt(curl, CURLOPT_WRITEDATA, ftpfile);
59 /* If you intend to use this on windows with a libcurl DLL, you must use
60 CURLOPT_WRITEFUNCTION as well */
61 curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_response);
62 curl_easy_setopt(curl, CURLOPT_HEADERDATA, respfile);
63 res = curl_easy_perform(curl);
64 /* Check for errors */
65 if(res != CURLE_OK)
66 fprintf(stderr, "curl_easy_perform() failed: %s\n",
67 curl_easy_strerror(res));
68
69 /* always cleanup */
70 curl_easy_cleanup(curl);
71 }
72
73 fclose(ftpfile); /* close the local file */
74 fclose(respfile); /* close the response file */
75
76 return 0;
77 }
78