fdelt_chk.c 970 B

1234567891011121314151617181920212223242526272829
  1. /* Copyright (C) 2011-2019 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <sys/select.h>
  15. long int
  16. __fdelt_chk (long int d)
  17. {
  18. if (d < 0 || d >= FD_SETSIZE)
  19. __chk_fail ();
  20. return d / __NFDBITS;
  21. }
  22. strong_alias (__fdelt_chk, __fdelt_warn)