/*****************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * $Id: ftpget.c,v 1.8 2008/05/22 21:20:09 danf Exp $
 */

#include <stdio.h>

#include <curl/curl.h>
#include <curl/types.h>
#include <curl/easy.h>

struct FtpFile {
  const char *filename;
  FILE *stream;
};

static size_t my_fwrite(void *buffer, size_t size, size_t nmemb, void *stream)
{
  struct FtpFile *out=(struct FtpFile *)stream;
  if(out && !out->stream) {
    out->stream=fopen(out->filename, "wb");
    if(!out->stream)
      return -1;
  }
  return fwrite(buffer, size, nmemb, out->stream);
}


int main(void)
{
  CURL *curl;
  CURLcode res;
  struct FtpFile ftpfile={
    "curl.tar.gz",
    NULL
  };

  curl_global_init(CURL_GLOBAL_DEFAULT);

  curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL,
                     "ftp://ftp.sunet.se/pub/www/utilities/curl/curl-7.9.2-NONEXISTANT.tar.gz");
    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);
    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &ftpfile);
    curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);
    curl_easy_setopt(curl, CURLOPT_NOBODY, 1L); // IMPORTANT ***************************************

    res = curl_easy_perform(curl);

    curl_easy_cleanup(curl);

    if(CURLE_OK != res) {
      fprintf(stderr, "curl told us %d\n", res);
    } else {
      fprintf(stderr, "we succeeded. or not ?\n", res);
    }
  }

  if(ftpfile.stream)
    fclose(ftpfile.stream);

  curl_global_cleanup();

  return 0;
}