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Annotation of embedaddon/curl/docs/examples/ftpgetresp.c, revision 1.1.1.1

1.1       misho       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
                     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: 
                     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: }