ftpgetresp.c 2.5 KB

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