quickjs-tart

quickjs-based runtime for wallet-core logic
Log | Files | Refs | README | LICENSE

ftpgetresp.c (2682B)

      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  */
     33 static size_t
     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 
     40 #define FTPBODY "ftp-list"
     41 #define FTPHEADERS "ftp-responses"
     42 
     43 int main(void)
     44 {
     45   CURL *curl;
     46   CURLcode res;
     47   FILE *ftpfile;
     48   FILE *respfile;
     49 
     50   /* local filename to store the file as */
     51   ftpfile = fopen(FTPBODY, "wb"); /* b is binary, needed on Windows */
     52   if(!ftpfile)
     53     return 1;
     54 
     55   /* local filename to store the FTP server's response lines in */
     56   respfile = fopen(FTPHEADERS, "wb"); /* b is binary, needed on Windows */
     57   if(!respfile) {
     58     fclose(ftpfile);
     59     return 1;
     60   }
     61 
     62   curl = curl_easy_init();
     63   if(curl) {
     64     /* Get a file listing from sunet */
     65     curl_easy_setopt(curl, CURLOPT_URL, "ftp://ftp.example.com/");
     66     curl_easy_setopt(curl, CURLOPT_WRITEDATA, ftpfile);
     67     /* If you intend to use this on Windows with a libcurl DLL, you must use
     68        CURLOPT_WRITEFUNCTION as well */
     69     curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_response);
     70     curl_easy_setopt(curl, CURLOPT_HEADERDATA, respfile);
     71     res = curl_easy_perform(curl);
     72     /* Check for errors */
     73     if(res != CURLE_OK)
     74       fprintf(stderr, "curl_easy_perform() failed: %s\n",
     75               curl_easy_strerror(res));
     76 
     77     /* always cleanup */
     78     curl_easy_cleanup(curl);
     79   }
     80 
     81   fclose(ftpfile); /* close the local file */
     82   fclose(respfile); /* close the response file */
     83 
     84   return 0;
     85 }