sethostname.c 1.5 KB

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  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 "curl_setup.h"
  25. #include "sethostname.h"
  26. /*
  27. * we force our own host name, in order to make some tests machine independent
  28. */
  29. int gethostname(char *name, GETHOSTNAME_TYPE_ARG2 namelen)
  30. {
  31. const char *force_hostname = getenv("CURL_GETHOSTNAME");
  32. if(force_hostname) {
  33. strncpy(name, force_hostname, namelen);
  34. name[namelen-1] = '\0';
  35. return 0;
  36. }
  37. /* LD_PRELOAD used, but no hostname set, we'll just return a failure */
  38. return -1;
  39. }