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#include <stdio.h> 25 26#include <curl/curl.h> 27 28/* <DESC> 29 * Similar to ftpget.c but also stores the received response-lines 30 * in a separate file using our own callback! 31 * </DESC> 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 40#define FTPBODY "ftp-list" 41#define FTPHEADERS "ftp-responses" 42 43int main(void) 44{ 45 CURL *curl; 46 CURLcode res; 47 FILE *ftpfile; 48 FILE *respfile; 49 50 /* local file name to store the file as */ 51 ftpfile = fopen(FTPBODY, "wb"); /* b is binary, needed on win32 */ 52 53 /* local file name to store the FTP server's response lines in */ 54 respfile = fopen(FTPHEADERS, "wb"); /* b is binary, needed on win32 */ 55 56 curl = curl_easy_init(); 57 if(curl) { 58 /* Get a file listing from sunet */ 59 curl_easy_setopt(curl, CURLOPT_URL, "ftp://ftp.example.com/"); 60 curl_easy_setopt(curl, CURLOPT_WRITEDATA, ftpfile); 61 /* If you intend to use this on windows with a libcurl DLL, you must use 62 CURLOPT_WRITEFUNCTION as well */ 63 curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_response); 64 curl_easy_setopt(curl, CURLOPT_HEADERDATA, respfile); 65 res = curl_easy_perform(curl); 66 /* Check for errors */ 67 if(res != CURLE_OK) 68 fprintf(stderr, "curl_easy_perform() failed: %s\n", 69 curl_easy_strerror(res)); 70 71 /* always cleanup */ 72 curl_easy_cleanup(curl); 73 } 74 75 fclose(ftpfile); /* close the local file */ 76 fclose(respfile); /* close the response file */ 77 78 return 0; 79} 80