http3-present.c 1.5 KB

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  1. /***************************************************************************
  2. * _ _ ____ _
  3. * Project ___| | | | _ \| |
  4. * / __| | | | |_) | |
  5. * | (__| |_| | _ <| |___
  6. * \___|\___/|_| \_\_____|
  7. *
  8. * Copyright (C) 1998 - 2019, 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. /* <DESC>
  23. * Checks if HTTP/3 support is present in libcurl.
  24. * </DESC>
  25. */
  26. #include <stdio.h>
  27. #include <curl/curl.h>
  28. int main(void)
  29. {
  30. curl_version_info_data *ver;
  31. curl_global_init(CURL_GLOBAL_ALL);
  32. ver = curl_version_info(CURLVERSION_NOW);
  33. if(ver->features & CURL_VERSION_HTTP2)
  34. printf("HTTP/2 support is present\n");
  35. if(ver->features & CURL_VERSION_HTTP3)
  36. printf("HTTP/3 support is present\n");
  37. if(ver->features & CURL_VERSION_ALTSVC)
  38. printf("Alt-svc support is present\n");
  39. curl_global_cleanup();
  40. return 0;
  41. }